/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-RepeatedSemanticLbe.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 [2021-03-25 22:05:58,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 22:05:58,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 22:05:58,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 22:05:58,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 22:05:58,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 22:05:58,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 22:05:58,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 22:05:58,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 22:05:58,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 22:05:58,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 22:05:58,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 22:05:58,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 22:05:58,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 22:05:58,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 22:05:58,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 22:05:58,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 22:05:58,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 22:05:58,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 22:05:58,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 22:05:58,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 22:05:58,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 22:05:58,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 22:05:58,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 22:05:58,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 22:05:58,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 22:05:58,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 22:05:58,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 22:05:58,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 22:05:58,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 22:05:58,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 22:05:58,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 22:05:58,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 22:05:58,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 22:05:58,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 22:05:58,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 22:05:58,236 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-RepeatedSemanticLbe.epf [2021-03-25 22:05:58,271 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 22:05:58,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 22:05:58,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 22:05:58,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 22:05:58,275 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 22:05:58,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 22:05:58,275 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 22:05:58,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 22:05:58,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 22:05:58,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 22:05:58,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 22:05:58,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 22:05:58,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 22:05:58,277 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 22:05:58,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 22:05:58,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 22:05:58,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 22:05:58,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 22:05:58,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 22:05:58,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 22:05:58,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 22:05:58,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 22:05:58,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 22:05:58,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 22:05:58,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 22:05:58,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 22:05:58,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 22:05:58,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 22:05:58,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 22:05:58,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 22:05:58,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 22:05:58,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 22:05:58,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 22:05:58,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 22:05:58,606 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 22:05:58,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-03-25 22:05:58,607 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-03-25 22:05:58,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 22:05:58,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 22:05:58,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 22:05:58,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 22:05:58,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 22:05:58,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 22:05:58,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 22:05:58,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 22:05:58,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 22:05:58,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/1) ... [2021-03-25 22:05:58,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 22:05:58,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 22:05:58,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 22:05:58,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 22:05:58,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (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 [2021-03-25 22:05:58,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 22:05:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 22:05:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 22:05:58,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 22:05:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 22:05:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 22:05:58,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 22:05:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 22:05:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 22:05:58,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 22:05:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 22:05:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 22:05:58,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-25 22:05:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-25 22:05:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-25 22:05:58,768 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 22:05:58,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 22:05:58,931 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 22:05:58,932 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:05:58 BoogieIcfgContainer [2021-03-25 22:05:58,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 22:05:58,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 22:05:58,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 22:05:58,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 22:05:58,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 10:05:58" (1/2) ... [2021-03-25 22:05:58,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a12b88b and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:05:58, skipping insertion in model container [2021-03-25 22:05:58,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:05:58" (2/2) ... [2021-03-25 22:05:58,938 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-03-25 22:05:58,943 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 22:05:58,946 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 22:05:58,946 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 22:05:58,985 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 22:05:59,001 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 22:05:59,018 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:05:59,018 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:05:59,019 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:05:59,019 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:05:59,019 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:05:59,019 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:05:59,019 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:05:59,019 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:05:59,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 122 flow [2021-03-25 22:05:59,090 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-25 22:05:59,091 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 22:05:59,092 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. [2021-03-25 22:05:59,092 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 45 transitions, 122 flow [2021-03-25 22:05:59,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 102 flow [2021-03-25 22:05:59,097 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:05:59,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 102 flow [2021-03-25 22:05:59,113 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 102 flow [2021-03-25 22:05:59,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 102 flow [2021-03-25 22:05:59,131 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-25 22:05:59,131 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 22:05:59,132 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. [2021-03-25 22:05:59,134 INFO L142 LiptonReduction]: Number of co-enabled transitions 756 [2021-03-25 22:05:59,566 INFO L154 LiptonReduction]: Checked pairs total: 936 [2021-03-25 22:05:59,566 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 22:05:59,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 475 [2021-03-25 22:05:59,598 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-25 22:05:59,598 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 22:05:59,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:05:59,599 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] [2021-03-25 22:05:59,599 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:05:59,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:05:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash 282617581, now seen corresponding path program 1 times [2021-03-25 22:05:59,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:05:59,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111396024] [2021-03-25 22:05:59,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:05:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:05:59,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:59,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-25 22:05:59,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:59,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:05:59,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111396024] [2021-03-25 22:05:59,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:05:59,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 22:05:59,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861663194] [2021-03-25 22:05:59,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:05:59,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:05:59,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:05:59,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:05:59,787 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 58 [2021-03-25 22:05:59,790 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) [2021-03-25 22:05:59,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:05:59,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 58 [2021-03-25 22:05:59,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:05:59,832 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-03-25 22:05:59,832 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-25 22:05:59,833 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. [2021-03-25 22:05:59,834 INFO L132 encePairwiseOnDemand]: 55/58 looper letters, 2 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-03-25 22:05:59,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 26 transitions, 84 flow [2021-03-25 22:05:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:05:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:05:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2021-03-25 22:05:59,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2021-03-25 22:05:59,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 155 transitions. [2021-03-25 22:05:59,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 155 transitions. [2021-03-25 22:05:59,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:05:59,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 155 transitions. [2021-03-25 22:05:59,860 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) [2021-03-25 22:05:59,866 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) [2021-03-25 22:05:59,867 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) [2021-03-25 22:05:59,868 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 76 flow. Second operand 3 states and 155 transitions. [2021-03-25 22:05:59,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 26 transitions, 84 flow [2021-03-25 22:05:59,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 68 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 22:05:59,875 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 68 flow [2021-03-25 22:05:59,876 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} [2021-03-25 22:05:59,877 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-25 22:05:59,877 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:05:59,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 68 flow [2021-03-25 22:05:59,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 68 flow [2021-03-25 22:05:59,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 68 flow [2021-03-25 22:05:59,888 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-03-25 22:05:59,889 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:05:59,889 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. [2021-03-25 22:05:59,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-25 22:05:59,944 INFO L154 LiptonReduction]: Checked pairs total: 521 [2021-03-25 22:05:59,944 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:05:59,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-25 22:05:59,946 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 64 flow [2021-03-25 22:05:59,946 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) [2021-03-25 22:05:59,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:05:59,947 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] [2021-03-25 22:05:59,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 22:05:59,947 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:05:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:05:59,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1092250881, now seen corresponding path program 2 times [2021-03-25 22:05:59,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:05:59,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214524248] [2021-03-25 22:05:59,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:05:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:05:59,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:59,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-25 22:05:59,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:05:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:05:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:05:59,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214524248] [2021-03-25 22:05:59,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:05:59,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 22:05:59,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146038586] [2021-03-25 22:05:59,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:05:59,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:05:59,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:05:59,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:05:59,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 60 [2021-03-25 22:05:59,986 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) [2021-03-25 22:05:59,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:05:59,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 60 [2021-03-25 22:05:59,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:05:59,995 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2021-03-25 22:05:59,996 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:05:59,996 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. [2021-03-25 22:05:59,996 INFO L132 encePairwiseOnDemand]: 57/60 looper letters, 2 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2021-03-25 22:05:59,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 72 flow [2021-03-25 22:05:59,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:05:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:05:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2021-03-25 22:05:59,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8944444444444445 [2021-03-25 22:05:59,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 161 transitions. [2021-03-25 22:05:59,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 161 transitions. [2021-03-25 22:05:59,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:05:59,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 161 transitions. [2021-03-25 22:05:59,999 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) [2021-03-25 22:06:00,000 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) [2021-03-25 22:06:00,001 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) [2021-03-25 22:06:00,001 INFO L185 Difference]: Start difference. First operand has 32 places, 24 transitions, 64 flow. Second operand 3 states and 161 transitions. [2021-03-25 22:06:00,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 72 flow [2021-03-25 22:06:00,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 24 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:00,002 INFO L241 Difference]: Finished difference. Result has 33 places, 24 transitions, 68 flow [2021-03-25 22:06:00,002 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} [2021-03-25 22:06:00,003 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -6 predicate places. [2021-03-25 22:06:00,003 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:00,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 24 transitions, 68 flow [2021-03-25 22:06:00,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 24 transitions, 68 flow [2021-03-25 22:06:00,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 68 flow [2021-03-25 22:06:00,007 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-25 22:06:00,007 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:06:00,008 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. [2021-03-25 22:06:00,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-25 22:06:00,068 INFO L154 LiptonReduction]: Checked pairs total: 315 [2021-03-25 22:06:00,069 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:00,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-25 22:06:00,070 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 64 flow [2021-03-25 22:06:00,070 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) [2021-03-25 22:06:00,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:00,071 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] [2021-03-25 22:06:00,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 22:06:00,071 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:00,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:00,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1834067259, now seen corresponding path program 1 times [2021-03-25 22:06:00,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:00,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336927589] [2021-03-25 22:06:00,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:00,172 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:00,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:00,196 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:00,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:00,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:00,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:00,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:00,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:00,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:00,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:00,452 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:00,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:00,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336927589] [2021-03-25 22:06:00,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:00,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 22:06:00,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515525958] [2021-03-25 22:06:00,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 22:06:00,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:00,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 22:06:00,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-03-25 22:06:00,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-03-25 22:06:00,463 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) [2021-03-25 22:06:00,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:00,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-03-25 22:06:00,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:01,297 INFO L129 PetriNetUnfolder]: 633/1002 cut-off events. [2021-03-25 22:06:01,297 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-03-25 22:06:01,301 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 4300 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. [2021-03-25 22:06:01,307 INFO L132 encePairwiseOnDemand]: 48/62 looper letters, 38 selfloop transitions, 62 changer transitions 3/111 dead transitions. [2021-03-25 22:06:01,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 111 transitions, 501 flow [2021-03-25 22:06:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 22:06:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 22:06:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 651 transitions. [2021-03-25 22:06:01,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-25 22:06:01,312 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 651 transitions. [2021-03-25 22:06:01,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 651 transitions. [2021-03-25 22:06:01,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:01,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 651 transitions. [2021-03-25 22:06:01,315 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) [2021-03-25 22:06:01,318 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) [2021-03-25 22:06:01,319 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) [2021-03-25 22:06:01,319 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 64 flow. Second operand 21 states and 651 transitions. [2021-03-25 22:06:01,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 111 transitions, 501 flow [2021-03-25 22:06:01,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 111 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:01,323 INFO L241 Difference]: Finished difference. Result has 57 places, 83 transitions, 413 flow [2021-03-25 22:06:01,323 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} [2021-03-25 22:06:01,323 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2021-03-25 22:06:01,324 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:01,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 83 transitions, 413 flow [2021-03-25 22:06:01,324 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 83 transitions, 413 flow [2021-03-25 22:06:01,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 83 transitions, 413 flow [2021-03-25 22:06:01,351 INFO L129 PetriNetUnfolder]: 202/394 cut-off events. [2021-03-25 22:06:01,351 INFO L130 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2021-03-25 22:06:01,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 394 events. 202/394 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1856 event pairs, 56 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 907. Up to 282 conditions per place. [2021-03-25 22:06:01,356 INFO L142 LiptonReduction]: Number of co-enabled transitions 330 [2021-03-25 22:06:01,454 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-25 22:06:01,455 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 22:06:01,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-25 22:06:01,456 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 83 transitions, 418 flow [2021-03-25 22:06:01,456 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) [2021-03-25 22:06:01,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:01,456 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] [2021-03-25 22:06:01,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 22:06:01,456 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:01,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:01,457 INFO L82 PathProgramCache]: Analyzing trace with hash -702267876, now seen corresponding path program 1 times [2021-03-25 22:06:01,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:01,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541681860] [2021-03-25 22:06:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:01,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-25 22:06:01,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:01,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541681860] [2021-03-25 22:06:01,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:01,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 22:06:01,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148803427] [2021-03-25 22:06:01,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:06:01,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:01,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:06:01,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:06:01,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 66 [2021-03-25 22:06:01,476 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) [2021-03-25 22:06:01,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:01,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 66 [2021-03-25 22:06:01,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:01,505 INFO L129 PetriNetUnfolder]: 160/327 cut-off events. [2021-03-25 22:06:01,506 INFO L130 PetriNetUnfolder]: For 316/316 co-relation queries the response was YES. [2021-03-25 22:06:01,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 327 events. 160/327 cut-off events. For 316/316 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1504 event pairs, 45 based on Foata normal form. 11/330 useless extension candidates. Maximal degree in co-relation 893. Up to 225 conditions per place. [2021-03-25 22:06:01,509 INFO L132 encePairwiseOnDemand]: 61/66 looper letters, 4 selfloop transitions, 14 changer transitions 0/68 dead transitions. [2021-03-25 22:06:01,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 68 transitions, 369 flow [2021-03-25 22:06:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:06:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:06:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2021-03-25 22:06:01,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2021-03-25 22:06:01,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 172 transitions. [2021-03-25 22:06:01,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 172 transitions. [2021-03-25 22:06:01,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:01,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 172 transitions. [2021-03-25 22:06:01,511 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) [2021-03-25 22:06:01,512 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) [2021-03-25 22:06:01,512 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) [2021-03-25 22:06:01,512 INFO L185 Difference]: Start difference. First operand has 55 places, 83 transitions, 418 flow. Second operand 3 states and 172 transitions. [2021-03-25 22:06:01,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 68 transitions, 369 flow [2021-03-25 22:06:01,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 355 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:01,516 INFO L241 Difference]: Finished difference. Result has 53 places, 68 transitions, 365 flow [2021-03-25 22:06:01,517 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} [2021-03-25 22:06:01,517 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 14 predicate places. [2021-03-25 22:06:01,517 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:01,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 68 transitions, 365 flow [2021-03-25 22:06:01,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 68 transitions, 365 flow [2021-03-25 22:06:01,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 68 transitions, 365 flow [2021-03-25 22:06:01,534 INFO L129 PetriNetUnfolder]: 136/286 cut-off events. [2021-03-25 22:06:01,534 INFO L130 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2021-03-25 22:06:01,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 286 events. 136/286 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1324 event pairs, 26 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 723. Up to 199 conditions per place. [2021-03-25 22:06:01,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 232 [2021-03-25 22:06:01,544 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:01,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:01,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-25 22:06:01,545 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 68 transitions, 365 flow [2021-03-25 22:06:01,545 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) [2021-03-25 22:06:01,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:01,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:01,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 22:06:01,545 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:01,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:01,546 INFO L82 PathProgramCache]: Analyzing trace with hash 960851776, now seen corresponding path program 1 times [2021-03-25 22:06:01,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:01,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203207207] [2021-03-25 22:06:01,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:01,581 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:01,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:01,586 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:01,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:01,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:01,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:01,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:01,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:01,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:01,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:01,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:01,664 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:01,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203207207] [2021-03-25 22:06:01,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:01,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:01,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005705499] [2021-03-25 22:06:01,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:01,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:01,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:01,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 66 [2021-03-25 22:06:01,674 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) [2021-03-25 22:06:01,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:01,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 66 [2021-03-25 22:06:01,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:01,874 INFO L129 PetriNetUnfolder]: 375/656 cut-off events. [2021-03-25 22:06:01,874 INFO L130 PetriNetUnfolder]: For 594/601 co-relation queries the response was YES. [2021-03-25 22:06:01,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 656 events. 375/656 cut-off events. For 594/601 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2977 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. [2021-03-25 22:06:01,880 INFO L132 encePairwiseOnDemand]: 52/66 looper letters, 40 selfloop transitions, 33 changer transitions 2/83 dead transitions. [2021-03-25 22:06:01,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 83 transitions, 594 flow [2021-03-25 22:06:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 285 transitions. [2021-03-25 22:06:01,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4797979797979798 [2021-03-25 22:06:01,881 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 285 transitions. [2021-03-25 22:06:01,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 285 transitions. [2021-03-25 22:06:01,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:01,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 285 transitions. [2021-03-25 22:06:01,882 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) [2021-03-25 22:06:01,883 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) [2021-03-25 22:06:01,884 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) [2021-03-25 22:06:01,884 INFO L185 Difference]: Start difference. First operand has 53 places, 68 transitions, 365 flow. Second operand 9 states and 285 transitions. [2021-03-25 22:06:01,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 83 transitions, 594 flow [2021-03-25 22:06:01,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 553 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 22:06:01,890 INFO L241 Difference]: Finished difference. Result has 62 places, 73 transitions, 471 flow [2021-03-25 22:06:01,890 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} [2021-03-25 22:06:01,890 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 23 predicate places. [2021-03-25 22:06:01,890 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:01,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 73 transitions, 471 flow [2021-03-25 22:06:01,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 73 transitions, 471 flow [2021-03-25 22:06:01,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 73 transitions, 471 flow [2021-03-25 22:06:01,908 INFO L129 PetriNetUnfolder]: 131/277 cut-off events. [2021-03-25 22:06:01,908 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-03-25 22:06:01,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 277 events. 131/277 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1273 event pairs, 21 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 757. Up to 194 conditions per place. [2021-03-25 22:06:01,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-25 22:06:01,918 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:01,918 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:01,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-25 22:06:01,919 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 73 transitions, 471 flow [2021-03-25 22:06:01,919 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) [2021-03-25 22:06:01,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:01,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:01,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 22:06:01,920 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:01,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:01,920 INFO L82 PathProgramCache]: Analyzing trace with hash -758681222, now seen corresponding path program 2 times [2021-03-25 22:06:01,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:01,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665220912] [2021-03-25 22:06:01,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:01,951 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:01,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:01,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:01,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:01,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:01,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:01,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:01,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:02,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:02,034 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:02,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:02,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665220912] [2021-03-25 22:06:02,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:02,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:02,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809439529] [2021-03-25 22:06:02,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:02,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:02,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:02,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:02,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 66 [2021-03-25 22:06:02,039 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) [2021-03-25 22:06:02,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:02,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 66 [2021-03-25 22:06:02,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:02,259 INFO L129 PetriNetUnfolder]: 374/654 cut-off events. [2021-03-25 22:06:02,259 INFO L130 PetriNetUnfolder]: For 679/690 co-relation queries the response was YES. [2021-03-25 22:06:02,261 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 2945 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. [2021-03-25 22:06:02,265 INFO L132 encePairwiseOnDemand]: 52/66 looper letters, 39 selfloop transitions, 29 changer transitions 5/81 dead transitions. [2021-03-25 22:06:02,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 649 flow [2021-03-25 22:06:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 310 transitions. [2021-03-25 22:06:02,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4696969696969697 [2021-03-25 22:06:02,267 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 310 transitions. [2021-03-25 22:06:02,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 310 transitions. [2021-03-25 22:06:02,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:02,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 310 transitions. [2021-03-25 22:06:02,268 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) [2021-03-25 22:06:02,269 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) [2021-03-25 22:06:02,269 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) [2021-03-25 22:06:02,269 INFO L185 Difference]: Start difference. First operand has 61 places, 73 transitions, 471 flow. Second operand 10 states and 310 transitions. [2021-03-25 22:06:02,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 649 flow [2021-03-25 22:06:02,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 81 transitions, 593 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-25 22:06:02,275 INFO L241 Difference]: Finished difference. Result has 65 places, 68 transitions, 438 flow [2021-03-25 22:06:02,275 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} [2021-03-25 22:06:02,275 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places. [2021-03-25 22:06:02,275 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:02,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 68 transitions, 438 flow [2021-03-25 22:06:02,276 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 68 transitions, 438 flow [2021-03-25 22:06:02,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 68 transitions, 438 flow [2021-03-25 22:06:02,290 INFO L129 PetriNetUnfolder]: 115/252 cut-off events. [2021-03-25 22:06:02,290 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-25 22:06:02,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 252 events. 115/252 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1164 event pairs, 23 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 700. Up to 173 conditions per place. [2021-03-25 22:06:02,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-25 22:06:02,520 INFO L154 LiptonReduction]: Checked pairs total: 49 [2021-03-25 22:06:02,521 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 22:06:02,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-25 22:06:02,521 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 68 transitions, 452 flow [2021-03-25 22:06:02,522 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) [2021-03-25 22:06:02,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:02,522 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] [2021-03-25 22:06:02,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 22:06:02,522 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:02,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1486281203, now seen corresponding path program 1 times [2021-03-25 22:06:02,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:02,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476029086] [2021-03-25 22:06:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:02,551 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:02,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:02,555 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:02,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:02,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:02,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:06:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:02,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:02,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:02,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:02,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:02,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476029086] [2021-03-25 22:06:02,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:02,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:06:02,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942476787] [2021-03-25 22:06:02,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:06:02,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:06:02,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:06:02,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 73 [2021-03-25 22:06:02,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 68 transitions, 452 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) [2021-03-25 22:06:02,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:02,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 73 [2021-03-25 22:06:02,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:03,053 INFO L129 PetriNetUnfolder]: 469/806 cut-off events. [2021-03-25 22:06:03,053 INFO L130 PetriNetUnfolder]: For 748/750 co-relation queries the response was YES. [2021-03-25 22:06:03,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2964 conditions, 806 events. 469/806 cut-off events. For 748/750 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3751 event pairs, 187 based on Foata normal form. 3/808 useless extension candidates. Maximal degree in co-relation 2946. Up to 635 conditions per place. [2021-03-25 22:06:03,060 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 76 selfloop transitions, 46 changer transitions 3/133 dead transitions. [2021-03-25 22:06:03,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 133 transitions, 1098 flow [2021-03-25 22:06:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:06:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:06:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 435 transitions. [2021-03-25 22:06:03,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42563600782778865 [2021-03-25 22:06:03,062 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 435 transitions. [2021-03-25 22:06:03,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 435 transitions. [2021-03-25 22:06:03,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:03,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 435 transitions. [2021-03-25 22:06:03,063 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) [2021-03-25 22:06:03,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 73.0) internal successors, (1095), 15 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:03,065 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 73.0) internal successors, (1095), 15 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:03,065 INFO L185 Difference]: Start difference. First operand has 59 places, 68 transitions, 452 flow. Second operand 14 states and 435 transitions. [2021-03-25 22:06:03,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 133 transitions, 1098 flow [2021-03-25 22:06:03,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 133 transitions, 958 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:03,073 INFO L241 Difference]: Finished difference. Result has 76 places, 106 transitions, 799 flow [2021-03-25 22:06:03,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=343, 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=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=799, PETRI_PLACES=76, PETRI_TRANSITIONS=106} [2021-03-25 22:06:03,073 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 37 predicate places. [2021-03-25 22:06:03,073 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:03,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 106 transitions, 799 flow [2021-03-25 22:06:03,073 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 106 transitions, 799 flow [2021-03-25 22:06:03,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 106 transitions, 799 flow [2021-03-25 22:06:03,102 INFO L129 PetriNetUnfolder]: 205/414 cut-off events. [2021-03-25 22:06:03,102 INFO L130 PetriNetUnfolder]: For 504/521 co-relation queries the response was YES. [2021-03-25 22:06:03,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1533 conditions, 414 events. 205/414 cut-off events. For 504/521 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2081 event pairs, 29 based on Foata normal form. 6/412 useless extension candidates. Maximal degree in co-relation 1507. Up to 289 conditions per place. [2021-03-25 22:06:03,107 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-25 22:06:03,171 INFO L154 LiptonReduction]: Checked pairs total: 18 [2021-03-25 22:06:03,171 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:03,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-03-25 22:06:03,172 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 106 transitions, 807 flow [2021-03-25 22:06:03,172 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) [2021-03-25 22:06:03,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:03,172 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] [2021-03-25 22:06:03,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 22:06:03,172 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:03,173 INFO L82 PathProgramCache]: Analyzing trace with hash 166934461, now seen corresponding path program 2 times [2021-03-25 22:06:03,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:03,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380846361] [2021-03-25 22:06:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:03,203 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:03,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:03,210 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:03,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:03,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:03,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:06:03,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:03,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:03,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:03,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:03,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:03,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:03,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:03,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:03,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:03,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380846361] [2021-03-25 22:06:03,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:03,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:06:03,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518702808] [2021-03-25 22:06:03,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:06:03,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:03,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:06:03,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:06:03,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 75 [2021-03-25 22:06:03,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 106 transitions, 807 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) [2021-03-25 22:06:03,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:03,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 75 [2021-03-25 22:06:03,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:03,859 INFO L129 PetriNetUnfolder]: 530/896 cut-off events. [2021-03-25 22:06:03,859 INFO L130 PetriNetUnfolder]: For 1702/1707 co-relation queries the response was YES. [2021-03-25 22:06:03,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3985 conditions, 896 events. 530/896 cut-off events. For 1702/1707 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4231 event pairs, 174 based on Foata normal form. 6/899 useless extension candidates. Maximal degree in co-relation 3957. Up to 668 conditions per place. [2021-03-25 22:06:03,867 INFO L132 encePairwiseOnDemand]: 59/75 looper letters, 88 selfloop transitions, 87 changer transitions 2/185 dead transitions. [2021-03-25 22:06:03,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 185 transitions, 1700 flow [2021-03-25 22:06:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:06:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:06:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 545 transitions. [2021-03-25 22:06:03,870 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42745098039215684 [2021-03-25 22:06:03,871 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 545 transitions. [2021-03-25 22:06:03,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 545 transitions. [2021-03-25 22:06:03,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:03,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 545 transitions. [2021-03-25 22:06:03,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.05882352941177) internal successors, (545), 17 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:03,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 75.0) internal successors, (1350), 18 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:03,876 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 75.0) internal successors, (1350), 18 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:03,876 INFO L185 Difference]: Start difference. First operand has 73 places, 106 transitions, 807 flow. Second operand 17 states and 545 transitions. [2021-03-25 22:06:03,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 185 transitions, 1700 flow [2021-03-25 22:06:03,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 185 transitions, 1662 flow, removed 19 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:03,896 INFO L241 Difference]: Finished difference. Result has 96 places, 159 transitions, 1465 flow [2021-03-25 22:06:03,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1465, PETRI_PLACES=96, PETRI_TRANSITIONS=159} [2021-03-25 22:06:03,896 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 57 predicate places. [2021-03-25 22:06:03,896 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:03,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 159 transitions, 1465 flow [2021-03-25 22:06:03,897 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 159 transitions, 1465 flow [2021-03-25 22:06:03,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 159 transitions, 1465 flow [2021-03-25 22:06:03,934 INFO L129 PetriNetUnfolder]: 234/475 cut-off events. [2021-03-25 22:06:03,934 INFO L130 PetriNetUnfolder]: For 1037/1108 co-relation queries the response was YES. [2021-03-25 22:06:03,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2180 conditions, 475 events. 234/475 cut-off events. For 1037/1108 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2493 event pairs, 30 based on Foata normal form. 7/472 useless extension candidates. Maximal degree in co-relation 2146. Up to 318 conditions per place. [2021-03-25 22:06:03,940 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-25 22:06:04,053 INFO L154 LiptonReduction]: Checked pairs total: 103 [2021-03-25 22:06:04,054 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 22:06:04,054 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-25 22:06:04,055 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 159 transitions, 1486 flow [2021-03-25 22:06:04,056 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) [2021-03-25 22:06:04,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:04,056 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:04,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 22:06:04,056 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:04,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:04,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1288963780, now seen corresponding path program 1 times [2021-03-25 22:06:04,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:04,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531874539] [2021-03-25 22:06:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:04,091 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:04,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:04,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:04,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:04,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:04,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:06:04,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:04,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:04,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:04,158 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-25 22:06:04,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:04,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:04,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:04,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:04,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531874539] [2021-03-25 22:06:04,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:04,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:04,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428306552] [2021-03-25 22:06:04,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:04,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:04,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:04,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:04,190 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 80 [2021-03-25 22:06:04,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 159 transitions, 1486 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) [2021-03-25 22:06:04,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:04,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 80 [2021-03-25 22:06:04,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:04,763 INFO L129 PetriNetUnfolder]: 597/999 cut-off events. [2021-03-25 22:06:04,763 INFO L130 PetriNetUnfolder]: For 3044/3066 co-relation queries the response was YES. [2021-03-25 22:06:04,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5167 conditions, 999 events. 597/999 cut-off events. For 3044/3066 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4848 event pairs, 125 based on Foata normal form. 15/1013 useless extension candidates. Maximal degree in co-relation 5131. Up to 653 conditions per place. [2021-03-25 22:06:04,774 INFO L132 encePairwiseOnDemand]: 60/80 looper letters, 78 selfloop transitions, 120 changer transitions 4/210 dead transitions. [2021-03-25 22:06:04,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 210 transitions, 2264 flow [2021-03-25 22:06:04,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:06:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:06:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 554 transitions. [2021-03-25 22:06:04,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4073529411764706 [2021-03-25 22:06:04,777 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 554 transitions. [2021-03-25 22:06:04,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 554 transitions. [2021-03-25 22:06:04,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:04,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 554 transitions. [2021-03-25 22:06:04,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.588235294117645) internal successors, (554), 17 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:04,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 80.0) internal successors, (1440), 18 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:04,781 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 80.0) internal successors, (1440), 18 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:04,782 INFO L185 Difference]: Start difference. First operand has 94 places, 159 transitions, 1486 flow. Second operand 17 states and 554 transitions. [2021-03-25 22:06:04,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 210 transitions, 2264 flow [2021-03-25 22:06:04,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 210 transitions, 2126 flow, removed 69 selfloop flow, removed 1 redundant places. [2021-03-25 22:06:04,806 INFO L241 Difference]: Finished difference. Result has 115 places, 177 transitions, 1874 flow [2021-03-25 22:06:04,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=1360, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1874, PETRI_PLACES=115, PETRI_TRANSITIONS=177} [2021-03-25 22:06:04,807 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 76 predicate places. [2021-03-25 22:06:04,807 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:04,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 177 transitions, 1874 flow [2021-03-25 22:06:04,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 177 transitions, 1874 flow [2021-03-25 22:06:04,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 177 transitions, 1874 flow [2021-03-25 22:06:04,862 INFO L129 PetriNetUnfolder]: 260/517 cut-off events. [2021-03-25 22:06:04,862 INFO L130 PetriNetUnfolder]: For 1936/2030 co-relation queries the response was YES. [2021-03-25 22:06:04,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 517 events. 260/517 cut-off events. For 1936/2030 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2726 event pairs, 27 based on Foata normal form. 7/508 useless extension candidates. Maximal degree in co-relation 2699. Up to 334 conditions per place. [2021-03-25 22:06:04,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 476 [2021-03-25 22:06:05,019 INFO L154 LiptonReduction]: Checked pairs total: 185 [2021-03-25 22:06:05,020 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 22:06:05,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-25 22:06:05,023 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 177 transitions, 1896 flow [2021-03-25 22:06:05,023 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) [2021-03-25 22:06:05,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:05,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:05,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 22:06:05,024 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:05,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1541889304, now seen corresponding path program 1 times [2021-03-25 22:06:05,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:05,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546838590] [2021-03-25 22:06:05,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:05,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-25 22:06:05,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:06:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:05,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546838590] [2021-03-25 22:06:05,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:05,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 22:06:05,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717077210] [2021-03-25 22:06:05,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 22:06:05,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:05,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 22:06:05,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 22:06:05,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 86 [2021-03-25 22:06:05,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 177 transitions, 1896 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:05,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:05,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 86 [2021-03-25 22:06:05,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:05,097 INFO L129 PetriNetUnfolder]: 221/454 cut-off events. [2021-03-25 22:06:05,097 INFO L130 PetriNetUnfolder]: For 2207/2277 co-relation queries the response was YES. [2021-03-25 22:06:05,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2594 conditions, 454 events. 221/454 cut-off events. For 2207/2277 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2350 event pairs, 31 based on Foata normal form. 13/450 useless extension candidates. Maximal degree in co-relation 2514. Up to 274 conditions per place. [2021-03-25 22:06:05,103 INFO L132 encePairwiseOnDemand]: 82/86 looper letters, 15 selfloop transitions, 17 changer transitions 0/156 dead transitions. [2021-03-25 22:06:05,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 156 transitions, 1768 flow [2021-03-25 22:06:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 22:06:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 22:06:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2021-03-25 22:06:05,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8992248062015504 [2021-03-25 22:06:05,104 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2021-03-25 22:06:05,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2021-03-25 22:06:05,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:05,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2021-03-25 22:06:05,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 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) [2021-03-25 22:06:05,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:05,106 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:05,106 INFO L185 Difference]: Start difference. First operand has 114 places, 177 transitions, 1896 flow. Second operand 3 states and 232 transitions. [2021-03-25 22:06:05,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 156 transitions, 1768 flow [2021-03-25 22:06:05,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 156 transitions, 1568 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:05,124 INFO L241 Difference]: Finished difference. Result has 107 places, 156 transitions, 1557 flow [2021-03-25 22:06:05,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1557, PETRI_PLACES=107, PETRI_TRANSITIONS=156} [2021-03-25 22:06:05,125 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 68 predicate places. [2021-03-25 22:06:05,125 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:05,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 156 transitions, 1557 flow [2021-03-25 22:06:05,125 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 156 transitions, 1557 flow [2021-03-25 22:06:05,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 156 transitions, 1557 flow [2021-03-25 22:06:05,163 INFO L129 PetriNetUnfolder]: 196/421 cut-off events. [2021-03-25 22:06:05,164 INFO L130 PetriNetUnfolder]: For 1654/1741 co-relation queries the response was YES. [2021-03-25 22:06:05,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 421 events. 196/421 cut-off events. For 1654/1741 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2220 event pairs, 15 based on Foata normal form. 6/418 useless extension candidates. Maximal degree in co-relation 2182. Up to 245 conditions per place. [2021-03-25 22:06:05,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-25 22:06:05,179 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:05,180 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:05,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-25 22:06:05,181 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 156 transitions, 1557 flow [2021-03-25 22:06:05,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:05,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:05,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:05,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 22:06:05,181 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:05,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:05,182 INFO L82 PathProgramCache]: Analyzing trace with hash 195503601, now seen corresponding path program 1 times [2021-03-25 22:06:05,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:05,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899731058] [2021-03-25 22:06:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:05,236 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:05,244 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:05,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:06:05,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:05,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:05,299 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-25 22:06:05,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:05,317 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-25 22:06:05,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:05,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:05,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:05,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:05,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899731058] [2021-03-25 22:06:05,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:05,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:05,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993704954] [2021-03-25 22:06:05,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:05,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:05,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:05,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:05,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 86 [2021-03-25 22:06:05,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 156 transitions, 1557 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) [2021-03-25 22:06:05,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:05,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 86 [2021-03-25 22:06:05,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:05,755 INFO L129 PetriNetUnfolder]: 423/748 cut-off events. [2021-03-25 22:06:05,755 INFO L130 PetriNetUnfolder]: For 3539/3567 co-relation queries the response was YES. [2021-03-25 22:06:05,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4471 conditions, 748 events. 423/748 cut-off events. For 3539/3567 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3591 event pairs, 78 based on Foata normal form. 14/759 useless extension candidates. Maximal degree in co-relation 4378. Up to 546 conditions per place. [2021-03-25 22:06:05,763 INFO L132 encePairwiseOnDemand]: 66/86 looper letters, 83 selfloop transitions, 103 changer transitions 2/196 dead transitions. [2021-03-25 22:06:05,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 196 transitions, 2285 flow [2021-03-25 22:06:05,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:06:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:06:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-25 22:06:05,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3798449612403101 [2021-03-25 22:06:05,767 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-25 22:06:05,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-25 22:06:05,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:05,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-25 22:06:05,770 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) [2021-03-25 22:06:05,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 86.0) internal successors, (1376), 16 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:05,773 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 86.0) internal successors, (1376), 16 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:05,773 INFO L185 Difference]: Start difference. First operand has 107 places, 156 transitions, 1557 flow. Second operand 15 states and 490 transitions. [2021-03-25 22:06:05,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 196 transitions, 2285 flow [2021-03-25 22:06:05,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 196 transitions, 2251 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:05,794 INFO L241 Difference]: Finished difference. Result has 121 places, 178 transitions, 2016 flow [2021-03-25 22:06:05,794 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=1523, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2016, PETRI_PLACES=121, PETRI_TRANSITIONS=178} [2021-03-25 22:06:05,794 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 82 predicate places. [2021-03-25 22:06:05,794 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:05,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 178 transitions, 2016 flow [2021-03-25 22:06:05,795 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 178 transitions, 2016 flow [2021-03-25 22:06:05,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 178 transitions, 2016 flow [2021-03-25 22:06:05,834 INFO L129 PetriNetUnfolder]: 214/455 cut-off events. [2021-03-25 22:06:05,835 INFO L130 PetriNetUnfolder]: For 2255/2339 co-relation queries the response was YES. [2021-03-25 22:06:05,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2697 conditions, 455 events. 214/455 cut-off events. For 2255/2339 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2448 event pairs, 19 based on Foata normal form. 7/454 useless extension candidates. Maximal degree in co-relation 2616. Up to 271 conditions per place. [2021-03-25 22:06:05,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 360 [2021-03-25 22:06:05,932 INFO L154 LiptonReduction]: Checked pairs total: 120 [2021-03-25 22:06:05,932 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 22:06:05,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-25 22:06:05,933 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 178 transitions, 2028 flow [2021-03-25 22:06:05,933 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) [2021-03-25 22:06:05,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:05,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:05,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 22:06:05,934 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:05,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:05,934 INFO L82 PathProgramCache]: Analyzing trace with hash 614692316, now seen corresponding path program 2 times [2021-03-25 22:06:05,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:05,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082025216] [2021-03-25 22:06:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:05,954 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:05,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:05,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:05,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:05,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:05,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:05,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:05,985 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:05,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:06,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:06,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:06,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:06,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:06,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:06,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:06,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082025216] [2021-03-25 22:06:06,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:06,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:06,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15172766] [2021-03-25 22:06:06,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:06,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:06,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:06,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:06,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 89 [2021-03-25 22:06:06,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 178 transitions, 2028 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) [2021-03-25 22:06:06,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:06,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 89 [2021-03-25 22:06:06,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:06,549 INFO L129 PetriNetUnfolder]: 455/810 cut-off events. [2021-03-25 22:06:06,549 INFO L130 PetriNetUnfolder]: For 4596/4631 co-relation queries the response was YES. [2021-03-25 22:06:06,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5224 conditions, 810 events. 455/810 cut-off events. For 4596/4631 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3948 event pairs, 111 based on Foata normal form. 10/816 useless extension candidates. Maximal degree in co-relation 5125. Up to 683 conditions per place. [2021-03-25 22:06:06,558 INFO L132 encePairwiseOnDemand]: 70/89 looper letters, 139 selfloop transitions, 83 changer transitions 2/232 dead transitions. [2021-03-25 22:06:06,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 232 transitions, 3051 flow [2021-03-25 22:06:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:06:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:06:06,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 483 transitions. [2021-03-25 22:06:06,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36179775280898874 [2021-03-25 22:06:06,560 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 483 transitions. [2021-03-25 22:06:06,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 483 transitions. [2021-03-25 22:06:06,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:06,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 483 transitions. [2021-03-25 22:06:06,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.2) internal successors, (483), 15 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:06,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 89.0) internal successors, (1424), 16 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:06,564 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 89.0) internal successors, (1424), 16 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:06,564 INFO L185 Difference]: Start difference. First operand has 121 places, 178 transitions, 2028 flow. Second operand 15 states and 483 transitions. [2021-03-25 22:06:06,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 232 transitions, 3051 flow [2021-03-25 22:06:06,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 232 transitions, 2854 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-03-25 22:06:06,590 INFO L241 Difference]: Finished difference. Result has 142 places, 219 transitions, 2617 flow [2021-03-25 22:06:06,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=1849, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2617, PETRI_PLACES=142, PETRI_TRANSITIONS=219} [2021-03-25 22:06:06,591 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2021-03-25 22:06:06,591 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:06,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 219 transitions, 2617 flow [2021-03-25 22:06:06,591 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 219 transitions, 2617 flow [2021-03-25 22:06:06,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 219 transitions, 2617 flow [2021-03-25 22:06:06,637 INFO L129 PetriNetUnfolder]: 243/516 cut-off events. [2021-03-25 22:06:06,637 INFO L130 PetriNetUnfolder]: For 2999/3145 co-relation queries the response was YES. [2021-03-25 22:06:06,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3240 conditions, 516 events. 243/516 cut-off events. For 2999/3145 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2857 event pairs, 12 based on Foata normal form. 10/513 useless extension candidates. Maximal degree in co-relation 3188. Up to 293 conditions per place. [2021-03-25 22:06:06,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-25 22:06:06,808 INFO L154 LiptonReduction]: Checked pairs total: 92 [2021-03-25 22:06:06,808 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 22:06:06,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217 [2021-03-25 22:06:06,811 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 219 transitions, 2647 flow [2021-03-25 22:06:06,811 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) [2021-03-25 22:06:06,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:06,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:06,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 22:06:06,812 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:06,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:06,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1743262060, now seen corresponding path program 1 times [2021-03-25 22:06:06,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:06,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846510705] [2021-03-25 22:06:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:06,863 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:06,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:06,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:06,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:06,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:06,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:06,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:06,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:06,922 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-25 22:06:06,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:06,935 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-25 22:06:06,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:06,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:06,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:06,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846510705] [2021-03-25 22:06:06,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:06,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:06,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126305065] [2021-03-25 22:06:06,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:06,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:06,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:06,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:06,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 95 [2021-03-25 22:06:06,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 219 transitions, 2647 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) [2021-03-25 22:06:06,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:06,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 95 [2021-03-25 22:06:06,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:07,293 INFO L129 PetriNetUnfolder]: 454/808 cut-off events. [2021-03-25 22:06:07,294 INFO L130 PetriNetUnfolder]: For 5664/5703 co-relation queries the response was YES. [2021-03-25 22:06:07,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5541 conditions, 808 events. 454/808 cut-off events. For 5664/5703 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3989 event pairs, 92 based on Foata normal form. 16/821 useless extension candidates. Maximal degree in co-relation 5487. Up to 678 conditions per place. [2021-03-25 22:06:07,304 INFO L132 encePairwiseOnDemand]: 73/95 looper letters, 125 selfloop transitions, 94 changer transitions 2/229 dead transitions. [2021-03-25 22:06:07,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 229 transitions, 3171 flow [2021-03-25 22:06:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 342 transitions. [2021-03-25 22:06:07,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36 [2021-03-25 22:06:07,306 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 342 transitions. [2021-03-25 22:06:07,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 342 transitions. [2021-03-25 22:06:07,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:07,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 342 transitions. [2021-03-25 22:06:07,307 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) [2021-03-25 22:06:07,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:07,309 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:07,309 INFO L185 Difference]: Start difference. First operand has 140 places, 219 transitions, 2647 flow. Second operand 10 states and 342 transitions. [2021-03-25 22:06:07,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 229 transitions, 3171 flow [2021-03-25 22:06:07,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 229 transitions, 3107 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:07,346 INFO L241 Difference]: Finished difference. Result has 150 places, 220 transitions, 2834 flow [2021-03-25 22:06:07,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=2583, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2834, PETRI_PLACES=150, PETRI_TRANSITIONS=220} [2021-03-25 22:06:07,346 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 111 predicate places. [2021-03-25 22:06:07,346 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:07,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 220 transitions, 2834 flow [2021-03-25 22:06:07,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 220 transitions, 2834 flow [2021-03-25 22:06:07,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 220 transitions, 2834 flow [2021-03-25 22:06:07,409 INFO L129 PetriNetUnfolder]: 250/529 cut-off events. [2021-03-25 22:06:07,409 INFO L130 PetriNetUnfolder]: For 3307/3454 co-relation queries the response was YES. [2021-03-25 22:06:07,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3469 conditions, 529 events. 250/529 cut-off events. For 3307/3454 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2939 event pairs, 9 based on Foata normal form. 8/525 useless extension candidates. Maximal degree in co-relation 3370. Up to 299 conditions per place. [2021-03-25 22:06:07,417 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-25 22:06:07,488 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:06:07,488 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:07,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-25 22:06:07,489 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 220 transitions, 2836 flow [2021-03-25 22:06:07,489 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) [2021-03-25 22:06:07,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:07,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:07,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 22:06:07,489 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:07,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:07,489 INFO L82 PathProgramCache]: Analyzing trace with hash 380746207, now seen corresponding path program 1 times [2021-03-25 22:06:07,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:07,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979986675] [2021-03-25 22:06:07,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:07,517 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:07,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:07,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:07,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:07,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:07,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:07,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:07,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:07,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:07,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:07,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:07,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:07,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:07,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:07,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979986675] [2021-03-25 22:06:07,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:07,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:07,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045273359] [2021-03-25 22:06:07,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:07,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:07,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:07,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:07,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 97 [2021-03-25 22:06:07,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 220 transitions, 2836 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) [2021-03-25 22:06:07,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:07,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 97 [2021-03-25 22:06:07,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:08,174 INFO L129 PetriNetUnfolder]: 462/830 cut-off events. [2021-03-25 22:06:08,174 INFO L130 PetriNetUnfolder]: For 6020/6048 co-relation queries the response was YES. [2021-03-25 22:06:08,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5880 conditions, 830 events. 462/830 cut-off events. For 6020/6048 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4177 event pairs, 98 based on Foata normal form. 11/838 useless extension candidates. Maximal degree in co-relation 5767. Up to 677 conditions per place. [2021-03-25 22:06:08,185 INFO L132 encePairwiseOnDemand]: 72/97 looper letters, 118 selfloop transitions, 113 changer transitions 9/248 dead transitions. [2021-03-25 22:06:08,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 248 transitions, 3667 flow [2021-03-25 22:06:08,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:06:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:06:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 509 transitions. [2021-03-25 22:06:08,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3279639175257732 [2021-03-25 22:06:08,187 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 509 transitions. [2021-03-25 22:06:08,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 509 transitions. [2021-03-25 22:06:08,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:08,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 509 transitions. [2021-03-25 22:06:08,188 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) [2021-03-25 22:06:08,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:08,190 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:08,190 INFO L185 Difference]: Start difference. First operand has 150 places, 220 transitions, 2836 flow. Second operand 16 states and 509 transitions. [2021-03-25 22:06:08,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 248 transitions, 3667 flow [2021-03-25 22:06:08,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 248 transitions, 3461 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-25 22:06:08,228 INFO L241 Difference]: Finished difference. Result has 167 places, 234 transitions, 3128 flow [2021-03-25 22:06:08,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=2642, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3128, PETRI_PLACES=167, PETRI_TRANSITIONS=234} [2021-03-25 22:06:08,228 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 128 predicate places. [2021-03-25 22:06:08,228 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:08,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 234 transitions, 3128 flow [2021-03-25 22:06:08,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 234 transitions, 3128 flow [2021-03-25 22:06:08,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 234 transitions, 3128 flow [2021-03-25 22:06:08,280 INFO L129 PetriNetUnfolder]: 243/527 cut-off events. [2021-03-25 22:06:08,281 INFO L130 PetriNetUnfolder]: For 4222/4339 co-relation queries the response was YES. [2021-03-25 22:06:08,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3680 conditions, 527 events. 243/527 cut-off events. For 4222/4339 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2988 event pairs, 10 based on Foata normal form. 9/527 useless extension candidates. Maximal degree in co-relation 3621. Up to 302 conditions per place. [2021-03-25 22:06:08,288 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-25 22:06:08,302 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:08,302 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:08,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-25 22:06:08,303 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 234 transitions, 3128 flow [2021-03-25 22:06:08,303 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) [2021-03-25 22:06:08,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:08,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:08,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 22:06:08,303 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:08,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:08,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1248154981, now seen corresponding path program 1 times [2021-03-25 22:06:08,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:08,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038567020] [2021-03-25 22:06:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:08,328 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:08,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:08,333 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:08,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:08,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:08,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:08,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:08,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:08,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:08,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:08,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:08,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038567020] [2021-03-25 22:06:08,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:08,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:08,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141803010] [2021-03-25 22:06:08,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:08,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:08,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:08,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:08,393 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 97 [2021-03-25 22:06:08,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 234 transitions, 3128 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) [2021-03-25 22:06:08,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:08,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 97 [2021-03-25 22:06:08,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:08,810 INFO L129 PetriNetUnfolder]: 470/842 cut-off events. [2021-03-25 22:06:08,811 INFO L130 PetriNetUnfolder]: For 7891/7897 co-relation queries the response was YES. [2021-03-25 22:06:08,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6289 conditions, 842 events. 470/842 cut-off events. For 7891/7897 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4287 event pairs, 93 based on Foata normal form. 4/843 useless extension candidates. Maximal degree in co-relation 6228. Up to 744 conditions per place. [2021-03-25 22:06:08,823 INFO L132 encePairwiseOnDemand]: 79/97 looper letters, 201 selfloop transitions, 52 changer transitions 2/263 dead transitions. [2021-03-25 22:06:08,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 263 transitions, 3975 flow [2021-03-25 22:06:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 389 transitions. [2021-03-25 22:06:08,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33419243986254293 [2021-03-25 22:06:08,825 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 389 transitions. [2021-03-25 22:06:08,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 389 transitions. [2021-03-25 22:06:08,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:08,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 389 transitions. [2021-03-25 22:06:08,826 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) [2021-03-25 22:06:08,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:08,827 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:08,827 INFO L185 Difference]: Start difference. First operand has 161 places, 234 transitions, 3128 flow. Second operand 12 states and 389 transitions. [2021-03-25 22:06:08,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 263 transitions, 3975 flow [2021-03-25 22:06:08,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 263 transitions, 3856 flow, removed 34 selfloop flow, removed 6 redundant places. [2021-03-25 22:06:08,873 INFO L241 Difference]: Finished difference. Result has 176 places, 253 transitions, 3457 flow [2021-03-25 22:06:08,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=3021, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3457, PETRI_PLACES=176, PETRI_TRANSITIONS=253} [2021-03-25 22:06:08,874 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2021-03-25 22:06:08,874 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:08,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 253 transitions, 3457 flow [2021-03-25 22:06:08,874 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 253 transitions, 3457 flow [2021-03-25 22:06:08,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 253 transitions, 3457 flow [2021-03-25 22:06:08,931 INFO L129 PetriNetUnfolder]: 265/566 cut-off events. [2021-03-25 22:06:08,931 INFO L130 PetriNetUnfolder]: For 4849/5028 co-relation queries the response was YES. [2021-03-25 22:06:08,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4071 conditions, 566 events. 265/566 cut-off events. For 4849/5028 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3301 event pairs, 13 based on Foata normal form. 9/558 useless extension candidates. Maximal degree in co-relation 3960. Up to 325 conditions per place. [2021-03-25 22:06:08,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-25 22:06:09,033 INFO L154 LiptonReduction]: Checked pairs total: 104 [2021-03-25 22:06:09,033 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 22:06:09,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-03-25 22:06:09,037 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 253 transitions, 3481 flow [2021-03-25 22:06:09,037 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) [2021-03-25 22:06:09,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:09,037 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:09,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 22:06:09,037 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:09,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:09,038 INFO L82 PathProgramCache]: Analyzing trace with hash 110496921, now seen corresponding path program 2 times [2021-03-25 22:06:09,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:09,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915287223] [2021-03-25 22:06:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:09,062 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:09,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:09,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:09,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:09,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:09,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:09,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:09,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:09,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:09,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915287223] [2021-03-25 22:06:09,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:09,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:09,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505107329] [2021-03-25 22:06:09,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:09,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:09,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:09,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:09,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 100 [2021-03-25 22:06:09,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 253 transitions, 3481 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) [2021-03-25 22:06:09,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:09,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 100 [2021-03-25 22:06:09,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:09,470 INFO L129 PetriNetUnfolder]: 471/847 cut-off events. [2021-03-25 22:06:09,470 INFO L130 PetriNetUnfolder]: For 8748/8771 co-relation queries the response was YES. [2021-03-25 22:06:09,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6625 conditions, 847 events. 471/847 cut-off events. For 8748/8771 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4349 event pairs, 91 based on Foata normal form. 11/855 useless extension candidates. Maximal degree in co-relation 6501. Up to 745 conditions per place. [2021-03-25 22:06:09,485 INFO L132 encePairwiseOnDemand]: 81/100 looper letters, 202 selfloop transitions, 53 changer transitions 2/265 dead transitions. [2021-03-25 22:06:09,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 265 transitions, 4122 flow [2021-03-25 22:06:09,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 309 transitions. [2021-03-25 22:06:09,486 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3433333333333333 [2021-03-25 22:06:09,486 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 309 transitions. [2021-03-25 22:06:09,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 309 transitions. [2021-03-25 22:06:09,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:09,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 309 transitions. [2021-03-25 22:06:09,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 9 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:09,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:09,488 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:09,488 INFO L185 Difference]: Start difference. First operand has 175 places, 253 transitions, 3481 flow. Second operand 9 states and 309 transitions. [2021-03-25 22:06:09,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 265 transitions, 4122 flow [2021-03-25 22:06:09,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 265 transitions, 4016 flow, removed 53 selfloop flow, removed 1 redundant places. [2021-03-25 22:06:09,541 INFO L241 Difference]: Finished difference. Result has 186 places, 256 transitions, 3562 flow [2021-03-25 22:06:09,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=3377, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3562, PETRI_PLACES=186, PETRI_TRANSITIONS=256} [2021-03-25 22:06:09,541 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2021-03-25 22:06:09,541 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:09,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 256 transitions, 3562 flow [2021-03-25 22:06:09,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 256 transitions, 3562 flow [2021-03-25 22:06:09,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 185 places, 256 transitions, 3562 flow [2021-03-25 22:06:09,591 INFO L129 PetriNetUnfolder]: 256/561 cut-off events. [2021-03-25 22:06:09,591 INFO L130 PetriNetUnfolder]: For 4949/5074 co-relation queries the response was YES. [2021-03-25 22:06:09,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4082 conditions, 561 events. 256/561 cut-off events. For 4949/5074 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3320 event pairs, 13 based on Foata normal form. 9/556 useless extension candidates. Maximal degree in co-relation 3976. Up to 309 conditions per place. [2021-03-25 22:06:09,597 INFO L142 LiptonReduction]: Number of co-enabled transitions 376 [2021-03-25 22:06:09,608 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:09,608 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:09,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-25 22:06:09,608 INFO L480 AbstractCegarLoop]: Abstraction has has 185 places, 256 transitions, 3562 flow [2021-03-25 22:06:09,608 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) [2021-03-25 22:06:09,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:09,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:09,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 22:06:09,609 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:09,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:09,609 INFO L82 PathProgramCache]: Analyzing trace with hash -358023120, now seen corresponding path program 1 times [2021-03-25 22:06:09,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:09,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006914802] [2021-03-25 22:06:09,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:09,623 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:09,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:09,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:09,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:09,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:09,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:09,651 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:06:09,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:09,656 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:06:09,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:09,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:09,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:09,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:09,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006914802] [2021-03-25 22:06:09,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:09,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 22:06:09,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762667559] [2021-03-25 22:06:09,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 22:06:09,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:09,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 22:06:09,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-25 22:06:09,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 100 [2021-03-25 22:06:09,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 256 transitions, 3562 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) [2021-03-25 22:06:09,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:09,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 100 [2021-03-25 22:06:09,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:10,030 INFO L129 PetriNetUnfolder]: 479/864 cut-off events. [2021-03-25 22:06:10,030 INFO L130 PetriNetUnfolder]: For 9379/9402 co-relation queries the response was YES. [2021-03-25 22:06:10,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6844 conditions, 864 events. 479/864 cut-off events. For 9379/9402 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4488 event pairs, 89 based on Foata normal form. 11/872 useless extension candidates. Maximal degree in co-relation 6760. Up to 710 conditions per place. [2021-03-25 22:06:10,041 INFO L132 encePairwiseOnDemand]: 72/100 looper letters, 150 selfloop transitions, 114 changer transitions 2/274 dead transitions. [2021-03-25 22:06:10,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 274 transitions, 4323 flow [2021-03-25 22:06:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 22:06:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 22:06:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 265 transitions. [2021-03-25 22:06:10,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37857142857142856 [2021-03-25 22:06:10,043 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 265 transitions. [2021-03-25 22:06:10,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 265 transitions. [2021-03-25 22:06:10,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:10,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 265 transitions. [2021-03-25 22:06:10,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 37.857142857142854) internal successors, (265), 7 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:10,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:10,045 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:10,045 INFO L185 Difference]: Start difference. First operand has 185 places, 256 transitions, 3562 flow. Second operand 7 states and 265 transitions. [2021-03-25 22:06:10,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 274 transitions, 4323 flow [2021-03-25 22:06:10,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 274 transitions, 4215 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-25 22:06:10,104 INFO L241 Difference]: Finished difference. Result has 189 places, 266 transitions, 3962 flow [2021-03-25 22:06:10,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=3456, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3962, PETRI_PLACES=189, PETRI_TRANSITIONS=266} [2021-03-25 22:06:10,105 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 150 predicate places. [2021-03-25 22:06:10,105 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:10,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 266 transitions, 3962 flow [2021-03-25 22:06:10,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 266 transitions, 3962 flow [2021-03-25 22:06:10,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 266 transitions, 3962 flow [2021-03-25 22:06:10,167 INFO L129 PetriNetUnfolder]: 265/572 cut-off events. [2021-03-25 22:06:10,167 INFO L130 PetriNetUnfolder]: For 5731/5870 co-relation queries the response was YES. [2021-03-25 22:06:10,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4421 conditions, 572 events. 265/572 cut-off events. For 5731/5870 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3324 event pairs, 11 based on Foata normal form. 10/573 useless extension candidates. Maximal degree in co-relation 4323. Up to 316 conditions per place. [2021-03-25 22:06:10,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 384 [2021-03-25 22:06:10,221 INFO L154 LiptonReduction]: Checked pairs total: 56 [2021-03-25 22:06:10,221 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:06:10,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-03-25 22:06:10,222 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 266 transitions, 3970 flow [2021-03-25 22:06:10,222 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) [2021-03-25 22:06:10,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:10,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:10,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 22:06:10,223 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:10,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1623852966, now seen corresponding path program 1 times [2021-03-25 22:06:10,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:10,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871332536] [2021-03-25 22:06:10,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:10,237 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:10,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:10,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:10,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:10,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:10,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:10,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:10,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:10,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:10,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:10,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:10,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871332536] [2021-03-25 22:06:10,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:10,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:10,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244895768] [2021-03-25 22:06:10,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:10,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:10,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:10,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:10,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 101 [2021-03-25 22:06:10,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 266 transitions, 3970 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) [2021-03-25 22:06:10,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:10,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 101 [2021-03-25 22:06:10,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:10,750 INFO L129 PetriNetUnfolder]: 478/865 cut-off events. [2021-03-25 22:06:10,750 INFO L130 PetriNetUnfolder]: For 10475/10498 co-relation queries the response was YES. [2021-03-25 22:06:10,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7158 conditions, 865 events. 478/865 cut-off events. For 10475/10498 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4495 event pairs, 87 based on Foata normal form. 11/873 useless extension candidates. Maximal degree in co-relation 7068. Up to 685 conditions per place. [2021-03-25 22:06:10,762 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 141 selfloop transitions, 126 changer transitions 2/277 dead transitions. [2021-03-25 22:06:10,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 277 transitions, 4664 flow [2021-03-25 22:06:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 350 transitions. [2021-03-25 22:06:10,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3465346534653465 [2021-03-25 22:06:10,765 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 350 transitions. [2021-03-25 22:06:10,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 350 transitions. [2021-03-25 22:06:10,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:10,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 350 transitions. [2021-03-25 22:06:10,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:10,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:10,767 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:10,767 INFO L185 Difference]: Start difference. First operand has 189 places, 266 transitions, 3970 flow. Second operand 10 states and 350 transitions. [2021-03-25 22:06:10,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 277 transitions, 4664 flow [2021-03-25 22:06:10,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 277 transitions, 4544 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-25 22:06:10,832 INFO L241 Difference]: Finished difference. Result has 199 places, 267 transitions, 4148 flow [2021-03-25 22:06:10,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=3850, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4148, PETRI_PLACES=199, PETRI_TRANSITIONS=267} [2021-03-25 22:06:10,833 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 160 predicate places. [2021-03-25 22:06:10,833 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:10,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 267 transitions, 4148 flow [2021-03-25 22:06:10,833 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 267 transitions, 4148 flow [2021-03-25 22:06:10,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 267 transitions, 4148 flow [2021-03-25 22:06:10,884 INFO L129 PetriNetUnfolder]: 272/586 cut-off events. [2021-03-25 22:06:10,885 INFO L130 PetriNetUnfolder]: For 6507/6667 co-relation queries the response was YES. [2021-03-25 22:06:10,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4626 conditions, 586 events. 272/586 cut-off events. For 6507/6667 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3457 event pairs, 13 based on Foata normal form. 10/579 useless extension candidates. Maximal degree in co-relation 4550. Up to 325 conditions per place. [2021-03-25 22:06:10,891 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-25 22:06:10,905 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:10,905 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:10,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-25 22:06:10,905 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 267 transitions, 4148 flow [2021-03-25 22:06:10,906 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) [2021-03-25 22:06:10,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:10,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:10,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 22:06:10,906 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:10,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:10,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2132807391, now seen corresponding path program 1 times [2021-03-25 22:06:10,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:10,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353733715] [2021-03-25 22:06:10,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:10,920 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:10,924 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:10,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:10,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:10,963 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:06:10,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:10,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:10,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:10,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:10,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353733715] [2021-03-25 22:06:10,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:10,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:10,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132745309] [2021-03-25 22:06:10,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:10,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:10,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:10,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:10,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 101 [2021-03-25 22:06:10,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 267 transitions, 4148 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) [2021-03-25 22:06:10,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:10,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 101 [2021-03-25 22:06:10,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:11,374 INFO L129 PetriNetUnfolder]: 483/874 cut-off events. [2021-03-25 22:06:11,374 INFO L130 PetriNetUnfolder]: For 11298/11331 co-relation queries the response was YES. [2021-03-25 22:06:11,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7389 conditions, 874 events. 483/874 cut-off events. For 11298/11331 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4536 event pairs, 89 based on Foata normal form. 16/887 useless extension candidates. Maximal degree in co-relation 7311. Up to 714 conditions per place. [2021-03-25 22:06:11,384 INFO L132 encePairwiseOnDemand]: 72/101 looper letters, 152 selfloop transitions, 119 changer transitions 2/281 dead transitions. [2021-03-25 22:06:11,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 281 transitions, 4885 flow [2021-03-25 22:06:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 323 transitions. [2021-03-25 22:06:11,385 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35533553355335534 [2021-03-25 22:06:11,385 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 323 transitions. [2021-03-25 22:06:11,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 323 transitions. [2021-03-25 22:06:11,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:11,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 323 transitions. [2021-03-25 22:06:11,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.888888888888886) internal successors, (323), 9 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:11,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:11,387 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:11,387 INFO L185 Difference]: Start difference. First operand has 197 places, 267 transitions, 4148 flow. Second operand 9 states and 323 transitions. [2021-03-25 22:06:11,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 281 transitions, 4885 flow [2021-03-25 22:06:11,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 281 transitions, 4623 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:11,455 INFO L241 Difference]: Finished difference. Result has 200 places, 271 transitions, 4262 flow [2021-03-25 22:06:11,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=3892, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4262, PETRI_PLACES=200, PETRI_TRANSITIONS=271} [2021-03-25 22:06:11,456 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 161 predicate places. [2021-03-25 22:06:11,456 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:11,456 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 271 transitions, 4262 flow [2021-03-25 22:06:11,456 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 271 transitions, 4262 flow [2021-03-25 22:06:11,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 271 transitions, 4262 flow [2021-03-25 22:06:11,517 INFO L129 PetriNetUnfolder]: 254/557 cut-off events. [2021-03-25 22:06:11,517 INFO L130 PetriNetUnfolder]: For 6281/6424 co-relation queries the response was YES. [2021-03-25 22:06:11,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4474 conditions, 557 events. 254/557 cut-off events. For 6281/6424 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3295 event pairs, 10 based on Foata normal form. 10/557 useless extension candidates. Maximal degree in co-relation 4383. Up to 301 conditions per place. [2021-03-25 22:06:11,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-25 22:06:11,581 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:06:11,581 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:06:11,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-25 22:06:11,582 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 271 transitions, 4267 flow [2021-03-25 22:06:11,582 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) [2021-03-25 22:06:11,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:11,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:11,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 22:06:11,582 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:11,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:11,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2357899, now seen corresponding path program 2 times [2021-03-25 22:06:11,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:11,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122144190] [2021-03-25 22:06:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:11,624 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:11,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:11,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:11,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:11,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:11,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:11,676 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:06:11,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:11,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:11,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122144190] [2021-03-25 22:06:11,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:11,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:11,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784059856] [2021-03-25 22:06:11,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:11,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:11,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:11,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:11,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:11,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 271 transitions, 4267 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) [2021-03-25 22:06:11,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:11,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:11,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:12,175 INFO L129 PetriNetUnfolder]: 482/873 cut-off events. [2021-03-25 22:06:12,175 INFO L130 PetriNetUnfolder]: For 11445/11473 co-relation queries the response was YES. [2021-03-25 22:06:12,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7461 conditions, 873 events. 482/873 cut-off events. For 11445/11473 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4559 event pairs, 89 based on Foata normal form. 11/881 useless extension candidates. Maximal degree in co-relation 7366. Up to 710 conditions per place. [2021-03-25 22:06:12,183 INFO L132 encePairwiseOnDemand]: 72/102 looper letters, 148 selfloop transitions, 121 changer transitions 2/279 dead transitions. [2021-03-25 22:06:12,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 279 transitions, 4919 flow [2021-03-25 22:06:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 375 transitions. [2021-03-25 22:06:12,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3342245989304813 [2021-03-25 22:06:12,184 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 375 transitions. [2021-03-25 22:06:12,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 375 transitions. [2021-03-25 22:06:12,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:12,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 375 transitions. [2021-03-25 22:06:12,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.09090909090909) internal successors, (375), 11 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) [2021-03-25 22:06:12,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:12,186 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:12,186 INFO L185 Difference]: Start difference. First operand has 200 places, 271 transitions, 4267 flow. Second operand 11 states and 375 transitions. [2021-03-25 22:06:12,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 279 transitions, 4919 flow [2021-03-25 22:06:12,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 279 transitions, 4598 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:12,248 INFO L241 Difference]: Finished difference. Result has 204 places, 270 transitions, 4248 flow [2021-03-25 22:06:12,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3948, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4248, PETRI_PLACES=204, PETRI_TRANSITIONS=270} [2021-03-25 22:06:12,248 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2021-03-25 22:06:12,248 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:12,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 270 transitions, 4248 flow [2021-03-25 22:06:12,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 270 transitions, 4248 flow [2021-03-25 22:06:12,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 270 transitions, 4248 flow [2021-03-25 22:06:12,293 INFO L129 PetriNetUnfolder]: 264/575 cut-off events. [2021-03-25 22:06:12,293 INFO L130 PetriNetUnfolder]: For 6306/6447 co-relation queries the response was YES. [2021-03-25 22:06:12,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4603 conditions, 575 events. 264/575 cut-off events. For 6306/6447 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3408 event pairs, 11 based on Foata normal form. 9/573 useless extension candidates. Maximal degree in co-relation 4512. Up to 314 conditions per place. [2021-03-25 22:06:12,299 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-25 22:06:12,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:12,310 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:12,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-25 22:06:12,310 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 270 transitions, 4248 flow [2021-03-25 22:06:12,310 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) [2021-03-25 22:06:12,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:12,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:12,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 22:06:12,311 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:12,311 INFO L82 PathProgramCache]: Analyzing trace with hash 654017482, now seen corresponding path program 1 times [2021-03-25 22:06:12,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:12,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738078895] [2021-03-25 22:06:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:12,325 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:12,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:12,329 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:12,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:12,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:12,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:12,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:12,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:12,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:12,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738078895] [2021-03-25 22:06:12,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:12,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:12,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467305015] [2021-03-25 22:06:12,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:12,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:12,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:12,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:12,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:12,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 270 transitions, 4248 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) [2021-03-25 22:06:12,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:12,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:12,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:12,803 INFO L129 PetriNetUnfolder]: 481/873 cut-off events. [2021-03-25 22:06:12,803 INFO L130 PetriNetUnfolder]: For 11655/11683 co-relation queries the response was YES. [2021-03-25 22:06:12,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7471 conditions, 873 events. 481/873 cut-off events. For 11655/11683 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4571 event pairs, 87 based on Foata normal form. 11/881 useless extension candidates. Maximal degree in co-relation 7376. Up to 686 conditions per place. [2021-03-25 22:06:12,814 INFO L132 encePairwiseOnDemand]: 71/102 looper letters, 140 selfloop transitions, 131 changer transitions 2/281 dead transitions. [2021-03-25 22:06:12,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 281 transitions, 4962 flow [2021-03-25 22:06:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 350 transitions. [2021-03-25 22:06:12,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3431372549019608 [2021-03-25 22:06:12,816 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 350 transitions. [2021-03-25 22:06:12,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 350 transitions. [2021-03-25 22:06:12,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:12,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 350 transitions. [2021-03-25 22:06:12,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:12,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:12,818 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:12,818 INFO L185 Difference]: Start difference. First operand has 204 places, 270 transitions, 4248 flow. Second operand 10 states and 350 transitions. [2021-03-25 22:06:12,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 281 transitions, 4962 flow [2021-03-25 22:06:12,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 281 transitions, 4670 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-25 22:06:12,883 INFO L241 Difference]: Finished difference. Result has 203 places, 271 transitions, 4268 flow [2021-03-25 22:06:12,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3956, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4268, PETRI_PLACES=203, PETRI_TRANSITIONS=271} [2021-03-25 22:06:12,884 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 164 predicate places. [2021-03-25 22:06:12,884 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:12,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 271 transitions, 4268 flow [2021-03-25 22:06:12,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 271 transitions, 4268 flow [2021-03-25 22:06:12,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 271 transitions, 4268 flow [2021-03-25 22:06:12,945 INFO L129 PetriNetUnfolder]: 272/583 cut-off events. [2021-03-25 22:06:12,945 INFO L130 PetriNetUnfolder]: For 6828/7003 co-relation queries the response was YES. [2021-03-25 22:06:12,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4709 conditions, 583 events. 272/583 cut-off events. For 6828/7003 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3404 event pairs, 13 based on Foata normal form. 9/575 useless extension candidates. Maximal degree in co-relation 4633. Up to 325 conditions per place. [2021-03-25 22:06:12,951 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-25 22:06:12,966 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:12,966 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:12,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-25 22:06:12,966 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 271 transitions, 4268 flow [2021-03-25 22:06:12,966 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) [2021-03-25 22:06:12,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:12,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:12,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 22:06:12,967 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:12,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:12,967 INFO L82 PathProgramCache]: Analyzing trace with hash 603788910, now seen corresponding path program 1 times [2021-03-25 22:06:12,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:12,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645249788] [2021-03-25 22:06:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:12,980 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:12,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:12,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:12,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:12,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:12,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:13,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:13,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:13,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:13,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:13,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:13,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645249788] [2021-03-25 22:06:13,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:13,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:13,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273901373] [2021-03-25 22:06:13,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:13,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:13,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:13,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:13,029 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:13,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 271 transitions, 4268 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) [2021-03-25 22:06:13,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:13,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:13,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:13,301 INFO L129 PetriNetUnfolder]: 480/877 cut-off events. [2021-03-25 22:06:13,301 INFO L130 PetriNetUnfolder]: For 11839/11854 co-relation queries the response was YES. [2021-03-25 22:06:13,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7528 conditions, 877 events. 480/877 cut-off events. For 11839/11854 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4642 event pairs, 78 based on Foata normal form. 9/883 useless extension candidates. Maximal degree in co-relation 7450. Up to 770 conditions per place. [2021-03-25 22:06:13,312 INFO L132 encePairwiseOnDemand]: 82/102 looper letters, 218 selfloop transitions, 54 changer transitions 2/282 dead transitions. [2021-03-25 22:06:13,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 282 transitions, 4934 flow [2021-03-25 22:06:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 309 transitions. [2021-03-25 22:06:13,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3366013071895425 [2021-03-25 22:06:13,324 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 309 transitions. [2021-03-25 22:06:13,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 309 transitions. [2021-03-25 22:06:13,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:13,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 309 transitions. [2021-03-25 22:06:13,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 9 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:13,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:13,326 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:13,326 INFO L185 Difference]: Start difference. First operand has 201 places, 271 transitions, 4268 flow. Second operand 9 states and 309 transitions. [2021-03-25 22:06:13,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 282 transitions, 4934 flow [2021-03-25 22:06:13,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 282 transitions, 4662 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:13,396 INFO L241 Difference]: Finished difference. Result has 204 places, 273 transitions, 4149 flow [2021-03-25 22:06:13,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4000, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4149, PETRI_PLACES=204, PETRI_TRANSITIONS=273} [2021-03-25 22:06:13,397 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2021-03-25 22:06:13,397 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:13,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 273 transitions, 4149 flow [2021-03-25 22:06:13,397 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 273 transitions, 4149 flow [2021-03-25 22:06:13,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 273 transitions, 4149 flow [2021-03-25 22:06:13,460 INFO L129 PetriNetUnfolder]: 264/583 cut-off events. [2021-03-25 22:06:13,460 INFO L130 PetriNetUnfolder]: For 6450/6613 co-relation queries the response was YES. [2021-03-25 22:06:13,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4581 conditions, 583 events. 264/583 cut-off events. For 6450/6613 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3486 event pairs, 11 based on Foata normal form. 8/578 useless extension candidates. Maximal degree in co-relation 4504. Up to 315 conditions per place. [2021-03-25 22:06:13,470 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-25 22:06:13,486 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:13,486 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:13,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-03-25 22:06:13,487 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 273 transitions, 4149 flow [2021-03-25 22:06:13,487 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) [2021-03-25 22:06:13,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:13,487 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:13,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 22:06:13,487 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:13,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:13,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1527758162, now seen corresponding path program 2 times [2021-03-25 22:06:13,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:13,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993640176] [2021-03-25 22:06:13,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:13,508 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:13,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:13,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:13,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:13,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:13,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:13,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:13,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:13,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:13,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:13,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:13,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:13,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993640176] [2021-03-25 22:06:13,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:13,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:13,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880478856] [2021-03-25 22:06:13,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:13,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:13,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:13,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:13,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:13,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 273 transitions, 4149 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) [2021-03-25 22:06:13,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:13,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:13,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:13,958 INFO L129 PetriNetUnfolder]: 479/877 cut-off events. [2021-03-25 22:06:13,958 INFO L130 PetriNetUnfolder]: For 11620/11648 co-relation queries the response was YES. [2021-03-25 22:06:13,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7405 conditions, 877 events. 479/877 cut-off events. For 11620/11648 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4667 event pairs, 90 based on Foata normal form. 11/885 useless extension candidates. Maximal degree in co-relation 7326. Up to 713 conditions per place. [2021-03-25 22:06:13,966 INFO L132 encePairwiseOnDemand]: 72/102 looper letters, 151 selfloop transitions, 115 changer transitions 8/282 dead transitions. [2021-03-25 22:06:13,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 282 transitions, 4809 flow [2021-03-25 22:06:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 344 transitions. [2021-03-25 22:06:13,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33725490196078434 [2021-03-25 22:06:13,973 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 344 transitions. [2021-03-25 22:06:13,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 344 transitions. [2021-03-25 22:06:13,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:13,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 344 transitions. [2021-03-25 22:06:13,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.4) internal successors, (344), 10 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:13,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:13,974 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:13,975 INFO L185 Difference]: Start difference. First operand has 202 places, 273 transitions, 4149 flow. Second operand 10 states and 344 transitions. [2021-03-25 22:06:13,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 282 transitions, 4809 flow [2021-03-25 22:06:14,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 282 transitions, 4691 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-03-25 22:06:14,044 INFO L241 Difference]: Finished difference. Result has 207 places, 269 transitions, 4265 flow [2021-03-25 22:06:14,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4031, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4265, PETRI_PLACES=207, PETRI_TRANSITIONS=269} [2021-03-25 22:06:14,045 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-25 22:06:14,045 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:14,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 269 transitions, 4265 flow [2021-03-25 22:06:14,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 269 transitions, 4265 flow [2021-03-25 22:06:14,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 269 transitions, 4265 flow [2021-03-25 22:06:14,102 INFO L129 PetriNetUnfolder]: 257/563 cut-off events. [2021-03-25 22:06:14,103 INFO L130 PetriNetUnfolder]: For 6939/7080 co-relation queries the response was YES. [2021-03-25 22:06:14,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4562 conditions, 563 events. 257/563 cut-off events. For 6939/7080 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3324 event pairs, 12 based on Foata normal form. 10/564 useless extension candidates. Maximal degree in co-relation 4484. Up to 306 conditions per place. [2021-03-25 22:06:14,108 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-25 22:06:14,120 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:14,120 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:14,120 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-25 22:06:14,120 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 269 transitions, 4265 flow [2021-03-25 22:06:14,120 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) [2021-03-25 22:06:14,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:14,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:14,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 22:06:14,121 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:14,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:14,121 INFO L82 PathProgramCache]: Analyzing trace with hash 50437675, now seen corresponding path program 3 times [2021-03-25 22:06:14,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:14,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854103818] [2021-03-25 22:06:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:14,138 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:14,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:14,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:14,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:14,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:14,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:14,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:14,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:14,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:14,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:14,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854103818] [2021-03-25 22:06:14,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:14,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:14,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574042823] [2021-03-25 22:06:14,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:14,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:14,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:14,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:14,199 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:14,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 269 transitions, 4265 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) [2021-03-25 22:06:14,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:14,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:14,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:14,515 INFO L129 PetriNetUnfolder]: 495/899 cut-off events. [2021-03-25 22:06:14,515 INFO L130 PetriNetUnfolder]: For 12372/12395 co-relation queries the response was YES. [2021-03-25 22:06:14,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7748 conditions, 899 events. 495/899 cut-off events. For 12372/12395 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4763 event pairs, 82 based on Foata normal form. 14/911 useless extension candidates. Maximal degree in co-relation 7668. Up to 767 conditions per place. [2021-03-25 22:06:14,523 INFO L132 encePairwiseOnDemand]: 82/102 looper letters, 213 selfloop transitions, 64 changer transitions 3/288 dead transitions. [2021-03-25 22:06:14,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 288 transitions, 5050 flow [2021-03-25 22:06:14,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 342 transitions. [2021-03-25 22:06:14,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3352941176470588 [2021-03-25 22:06:14,524 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 342 transitions. [2021-03-25 22:06:14,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 342 transitions. [2021-03-25 22:06:14,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:14,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 342 transitions. [2021-03-25 22:06:14,525 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) [2021-03-25 22:06:14,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:14,526 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:14,526 INFO L185 Difference]: Start difference. First operand has 203 places, 269 transitions, 4265 flow. Second operand 10 states and 342 transitions. [2021-03-25 22:06:14,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 288 transitions, 5050 flow [2021-03-25 22:06:14,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 288 transitions, 4702 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-25 22:06:14,579 INFO L241 Difference]: Finished difference. Result has 203 places, 276 transitions, 4188 flow [2021-03-25 22:06:14,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3917, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4188, PETRI_PLACES=203, PETRI_TRANSITIONS=276} [2021-03-25 22:06:14,580 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 164 predicate places. [2021-03-25 22:06:14,580 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:14,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 276 transitions, 4188 flow [2021-03-25 22:06:14,580 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 276 transitions, 4188 flow [2021-03-25 22:06:14,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 276 transitions, 4188 flow [2021-03-25 22:06:14,627 INFO L129 PetriNetUnfolder]: 279/609 cut-off events. [2021-03-25 22:06:14,627 INFO L130 PetriNetUnfolder]: For 7897/8087 co-relation queries the response was YES. [2021-03-25 22:06:14,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4911 conditions, 609 events. 279/609 cut-off events. For 7897/8087 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3585 event pairs, 11 based on Foata normal form. 11/611 useless extension candidates. Maximal degree in co-relation 4834. Up to 334 conditions per place. [2021-03-25 22:06:14,633 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-25 22:06:14,645 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:14,645 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:14,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-25 22:06:14,645 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 276 transitions, 4188 flow [2021-03-25 22:06:14,645 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) [2021-03-25 22:06:14,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:14,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:14,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 22:06:14,645 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:14,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:14,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1217598247, now seen corresponding path program 4 times [2021-03-25 22:06:14,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:14,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601430191] [2021-03-25 22:06:14,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:14,659 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:14,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:14,663 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:14,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:14,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:14,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:14,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:14,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:14,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:14,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:14,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:14,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601430191] [2021-03-25 22:06:14,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:14,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:14,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499812242] [2021-03-25 22:06:14,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:14,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:14,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:14,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:14,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:14,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 276 transitions, 4188 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) [2021-03-25 22:06:14,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:14,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:14,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:15,004 INFO L129 PetriNetUnfolder]: 494/899 cut-off events. [2021-03-25 22:06:15,004 INFO L130 PetriNetUnfolder]: For 12903/12931 co-relation queries the response was YES. [2021-03-25 22:06:15,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7785 conditions, 899 events. 494/899 cut-off events. For 12903/12931 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4785 event pairs, 73 based on Foata normal form. 11/907 useless extension candidates. Maximal degree in co-relation 7706. Up to 794 conditions per place. [2021-03-25 22:06:15,011 INFO L132 encePairwiseOnDemand]: 83/102 looper letters, 225 selfloop transitions, 49 changer transitions 3/285 dead transitions. [2021-03-25 22:06:15,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 285 transitions, 4856 flow [2021-03-25 22:06:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 359 transitions. [2021-03-25 22:06:15,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31996434937611407 [2021-03-25 22:06:15,013 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 359 transitions. [2021-03-25 22:06:15,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 359 transitions. [2021-03-25 22:06:15,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:15,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 359 transitions. [2021-03-25 22:06:15,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.63636363636363) internal successors, (359), 11 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:15,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:15,015 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:15,015 INFO L185 Difference]: Start difference. First operand has 201 places, 276 transitions, 4188 flow. Second operand 11 states and 359 transitions. [2021-03-25 22:06:15,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 285 transitions, 4856 flow [2021-03-25 22:06:15,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 285 transitions, 4697 flow, removed 29 selfloop flow, removed 7 redundant places. [2021-03-25 22:06:15,078 INFO L241 Difference]: Finished difference. Result has 207 places, 275 transitions, 4127 flow [2021-03-25 22:06:15,078 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4040, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4127, PETRI_PLACES=207, PETRI_TRANSITIONS=275} [2021-03-25 22:06:15,078 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-25 22:06:15,078 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:15,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 275 transitions, 4127 flow [2021-03-25 22:06:15,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 275 transitions, 4127 flow [2021-03-25 22:06:15,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 275 transitions, 4127 flow [2021-03-25 22:06:15,146 INFO L129 PetriNetUnfolder]: 281/607 cut-off events. [2021-03-25 22:06:15,146 INFO L130 PetriNetUnfolder]: For 7281/7481 co-relation queries the response was YES. [2021-03-25 22:06:15,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4790 conditions, 607 events. 281/607 cut-off events. For 7281/7481 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3578 event pairs, 11 based on Foata normal form. 10/606 useless extension candidates. Maximal degree in co-relation 4712. Up to 327 conditions per place. [2021-03-25 22:06:15,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-25 22:06:15,168 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:15,169 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:15,169 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-25 22:06:15,169 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 275 transitions, 4127 flow [2021-03-25 22:06:15,169 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) [2021-03-25 22:06:15,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:15,169 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:15,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 22:06:15,170 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:15,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:15,170 INFO L82 PathProgramCache]: Analyzing trace with hash -749566901, now seen corresponding path program 5 times [2021-03-25 22:06:15,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:15,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963572514] [2021-03-25 22:06:15,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:15,188 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:15,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:15,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:15,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:15,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:15,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:15,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:06:15,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:15,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:15,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:15,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963572514] [2021-03-25 22:06:15,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:15,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:15,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676432662] [2021-03-25 22:06:15,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:15,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:15,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:15,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:15,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:15,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 275 transitions, 4127 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) [2021-03-25 22:06:15,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:15,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:15,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:15,551 INFO L129 PetriNetUnfolder]: 493/896 cut-off events. [2021-03-25 22:06:15,551 INFO L130 PetriNetUnfolder]: For 12082/12110 co-relation queries the response was YES. [2021-03-25 22:06:15,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7582 conditions, 896 events. 493/896 cut-off events. For 12082/12110 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4764 event pairs, 74 based on Foata normal form. 11/904 useless extension candidates. Maximal degree in co-relation 7502. Up to 788 conditions per place. [2021-03-25 22:06:15,559 INFO L132 encePairwiseOnDemand]: 83/102 looper letters, 222 selfloop transitions, 49 changer transitions 4/283 dead transitions. [2021-03-25 22:06:15,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 283 transitions, 4756 flow [2021-03-25 22:06:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 334 transitions. [2021-03-25 22:06:15,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32745098039215687 [2021-03-25 22:06:15,560 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 334 transitions. [2021-03-25 22:06:15,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 334 transitions. [2021-03-25 22:06:15,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:15,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 334 transitions. [2021-03-25 22:06:15,561 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) [2021-03-25 22:06:15,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:15,562 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:15,562 INFO L185 Difference]: Start difference. First operand has 204 places, 275 transitions, 4127 flow. Second operand 10 states and 334 transitions. [2021-03-25 22:06:15,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 283 transitions, 4756 flow [2021-03-25 22:06:15,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 283 transitions, 4634 flow, removed 4 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:15,625 INFO L241 Difference]: Finished difference. Result has 205 places, 272 transitions, 4066 flow [2021-03-25 22:06:15,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4007, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4066, PETRI_PLACES=205, PETRI_TRANSITIONS=272} [2021-03-25 22:06:15,626 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 166 predicate places. [2021-03-25 22:06:15,626 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:15,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 272 transitions, 4066 flow [2021-03-25 22:06:15,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 272 transitions, 4066 flow [2021-03-25 22:06:15,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 272 transitions, 4066 flow [2021-03-25 22:06:15,672 INFO L129 PetriNetUnfolder]: 277/603 cut-off events. [2021-03-25 22:06:15,672 INFO L130 PetriNetUnfolder]: For 7345/7556 co-relation queries the response was YES. [2021-03-25 22:06:15,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4759 conditions, 603 events. 277/603 cut-off events. For 7345/7556 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3583 event pairs, 15 based on Foata normal form. 11/600 useless extension candidates. Maximal degree in co-relation 4682. Up to 325 conditions per place. [2021-03-25 22:06:15,678 INFO L142 LiptonReduction]: Number of co-enabled transitions 406 [2021-03-25 22:06:15,694 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:15,694 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:15,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-25 22:06:15,695 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 272 transitions, 4066 flow [2021-03-25 22:06:15,695 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) [2021-03-25 22:06:15,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:15,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:15,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 22:06:15,695 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:15,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:15,695 INFO L82 PathProgramCache]: Analyzing trace with hash 47177782, now seen corresponding path program 2 times [2021-03-25 22:06:15,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:15,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292481530] [2021-03-25 22:06:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:15,707 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:15,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:15,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:15,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:15,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:15,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:15,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:15,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:15,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:15,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:15,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292481530] [2021-03-25 22:06:15,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:15,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:15,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084181662] [2021-03-25 22:06:15,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:15,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:15,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:15,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:15,770 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-25 22:06:15,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 272 transitions, 4066 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) [2021-03-25 22:06:15,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:15,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-25 22:06:15,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:16,084 INFO L129 PetriNetUnfolder]: 494/904 cut-off events. [2021-03-25 22:06:16,084 INFO L130 PetriNetUnfolder]: For 12111/12139 co-relation queries the response was YES. [2021-03-25 22:06:16,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7628 conditions, 904 events. 494/904 cut-off events. For 12111/12139 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4806 event pairs, 71 based on Foata normal form. 11/912 useless extension candidates. Maximal degree in co-relation 7549. Up to 790 conditions per place. [2021-03-25 22:06:16,093 INFO L132 encePairwiseOnDemand]: 82/102 looper letters, 223 selfloop transitions, 52 changer transitions 2/285 dead transitions. [2021-03-25 22:06:16,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 285 transitions, 4821 flow [2021-03-25 22:06:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 388 transitions. [2021-03-25 22:06:16,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31699346405228757 [2021-03-25 22:06:16,094 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 388 transitions. [2021-03-25 22:06:16,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 388 transitions. [2021-03-25 22:06:16,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:16,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 388 transitions. [2021-03-25 22:06:16,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.333333333333336) internal successors, (388), 12 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) [2021-03-25 22:06:16,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:16,096 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:16,096 INFO L185 Difference]: Start difference. First operand has 201 places, 272 transitions, 4066 flow. Second operand 12 states and 388 transitions. [2021-03-25 22:06:16,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 285 transitions, 4821 flow [2021-03-25 22:06:16,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 285 transitions, 4732 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-25 22:06:16,157 INFO L241 Difference]: Finished difference. Result has 207 places, 275 transitions, 4181 flow [2021-03-25 22:06:16,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3979, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4181, PETRI_PLACES=207, PETRI_TRANSITIONS=275} [2021-03-25 22:06:16,157 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-25 22:06:16,157 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:16,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 275 transitions, 4181 flow [2021-03-25 22:06:16,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 275 transitions, 4181 flow [2021-03-25 22:06:16,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 275 transitions, 4181 flow [2021-03-25 22:06:16,205 INFO L129 PetriNetUnfolder]: 275/605 cut-off events. [2021-03-25 22:06:16,206 INFO L130 PetriNetUnfolder]: For 8078/8277 co-relation queries the response was YES. [2021-03-25 22:06:16,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4849 conditions, 605 events. 275/605 cut-off events. For 8078/8277 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3620 event pairs, 11 based on Foata normal form. 11/605 useless extension candidates. Maximal degree in co-relation 4771. Up to 323 conditions per place. [2021-03-25 22:06:16,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-25 22:06:16,278 INFO L154 LiptonReduction]: Checked pairs total: 63 [2021-03-25 22:06:16,278 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:16,279 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-25 22:06:16,279 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 275 transitions, 4209 flow [2021-03-25 22:06:16,279 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) [2021-03-25 22:06:16,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:16,279 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:16,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 22:06:16,279 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:16,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:16,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1174380678, now seen corresponding path program 3 times [2021-03-25 22:06:16,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:16,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204447097] [2021-03-25 22:06:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:16,292 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:16,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:16,297 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:16,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:16,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:16,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204447097] [2021-03-25 22:06:16,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:16,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:16,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776678356] [2021-03-25 22:06:16,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:16,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:16,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:16,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:16,377 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-25 22:06:16,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 275 transitions, 4209 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) [2021-03-25 22:06:16,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:16,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-25 22:06:16,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:16,702 INFO L129 PetriNetUnfolder]: 493/902 cut-off events. [2021-03-25 22:06:16,702 INFO L130 PetriNetUnfolder]: For 13307/13335 co-relation queries the response was YES. [2021-03-25 22:06:16,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7764 conditions, 902 events. 493/902 cut-off events. For 13307/13335 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4804 event pairs, 95 based on Foata normal form. 11/910 useless extension candidates. Maximal degree in co-relation 7684. Up to 795 conditions per place. [2021-03-25 22:06:16,710 INFO L132 encePairwiseOnDemand]: 83/104 looper letters, 220 selfloop transitions, 51 changer transitions 8/287 dead transitions. [2021-03-25 22:06:16,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 287 transitions, 4922 flow [2021-03-25 22:06:16,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 361 transitions. [2021-03-25 22:06:16,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3155594405594406 [2021-03-25 22:06:16,711 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 361 transitions. [2021-03-25 22:06:16,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 361 transitions. [2021-03-25 22:06:16,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:16,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 361 transitions. [2021-03-25 22:06:16,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.81818181818182) internal successors, (361), 11 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:16,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 104.0) internal successors, (1248), 12 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:16,713 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 104.0) internal successors, (1248), 12 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:16,713 INFO L185 Difference]: Start difference. First operand has 205 places, 275 transitions, 4209 flow. Second operand 11 states and 361 transitions. [2021-03-25 22:06:16,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 287 transitions, 4922 flow [2021-03-25 22:06:16,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 287 transitions, 4726 flow, removed 28 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:16,768 INFO L241 Difference]: Finished difference. Result has 207 places, 275 transitions, 4165 flow [2021-03-25 22:06:16,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4029, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4165, PETRI_PLACES=207, PETRI_TRANSITIONS=275} [2021-03-25 22:06:16,768 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-25 22:06:16,768 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:16,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 275 transitions, 4165 flow [2021-03-25 22:06:16,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 275 transitions, 4165 flow [2021-03-25 22:06:16,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 275 transitions, 4165 flow [2021-03-25 22:06:16,819 INFO L129 PetriNetUnfolder]: 284/615 cut-off events. [2021-03-25 22:06:16,819 INFO L130 PetriNetUnfolder]: For 8453/8607 co-relation queries the response was YES. [2021-03-25 22:06:16,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4979 conditions, 615 events. 284/615 cut-off events. For 8453/8607 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3671 event pairs, 11 based on Foata normal form. 14/617 useless extension candidates. Maximal degree in co-relation 4901. Up to 328 conditions per place. [2021-03-25 22:06:16,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 402 [2021-03-25 22:06:16,851 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:16,852 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:16,852 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-25 22:06:16,852 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 275 transitions, 4165 flow [2021-03-25 22:06:16,852 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) [2021-03-25 22:06:16,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:16,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:16,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 22:06:16,852 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash 177413540, now seen corresponding path program 1 times [2021-03-25 22:06:16,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:16,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057482326] [2021-03-25 22:06:16,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:16,870 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:16,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:16,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:16,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:16,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:16,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:16,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:16,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:16,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:16,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:16,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057482326] [2021-03-25 22:06:16,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:16,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 22:06:16,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895927992] [2021-03-25 22:06:16,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 22:06:16,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 22:06:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-25 22:06:16,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-25 22:06:16,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 275 transitions, 4165 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) [2021-03-25 22:06:16,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:16,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-25 22:06:16,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:17,195 INFO L129 PetriNetUnfolder]: 490/894 cut-off events. [2021-03-25 22:06:17,195 INFO L130 PetriNetUnfolder]: For 13482/13488 co-relation queries the response was YES. [2021-03-25 22:06:17,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7778 conditions, 894 events. 490/894 cut-off events. For 13482/13488 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4726 event pairs, 98 based on Foata normal form. 4/895 useless extension candidates. Maximal degree in co-relation 7698. Up to 792 conditions per place. [2021-03-25 22:06:17,204 INFO L132 encePairwiseOnDemand]: 85/104 looper letters, 222 selfloop transitions, 47 changer transitions 4/281 dead transitions. [2021-03-25 22:06:17,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 281 transitions, 4780 flow [2021-03-25 22:06:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 22:06:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 22:06:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 251 transitions. [2021-03-25 22:06:17,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3447802197802198 [2021-03-25 22:06:17,205 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 251 transitions. [2021-03-25 22:06:17,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 251 transitions. [2021-03-25 22:06:17,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:17,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 251 transitions. [2021-03-25 22:06:17,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 35.857142857142854) internal successors, (251), 7 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:17,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:17,206 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:17,206 INFO L185 Difference]: Start difference. First operand has 203 places, 275 transitions, 4165 flow. Second operand 7 states and 251 transitions. [2021-03-25 22:06:17,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 281 transitions, 4780 flow [2021-03-25 22:06:17,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 281 transitions, 4620 flow, removed 17 selfloop flow, removed 9 redundant places. [2021-03-25 22:06:17,261 INFO L241 Difference]: Finished difference. Result has 202 places, 273 transitions, 4088 flow [2021-03-25 22:06:17,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4011, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4088, PETRI_PLACES=202, PETRI_TRANSITIONS=273} [2021-03-25 22:06:17,261 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2021-03-25 22:06:17,261 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:17,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 273 transitions, 4088 flow [2021-03-25 22:06:17,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 273 transitions, 4088 flow [2021-03-25 22:06:17,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 273 transitions, 4088 flow [2021-03-25 22:06:17,312 INFO L129 PetriNetUnfolder]: 275/604 cut-off events. [2021-03-25 22:06:17,312 INFO L130 PetriNetUnfolder]: For 7785/7926 co-relation queries the response was YES. [2021-03-25 22:06:17,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4779 conditions, 604 events. 275/604 cut-off events. For 7785/7926 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3587 event pairs, 10 based on Foata normal form. 14/609 useless extension candidates. Maximal degree in co-relation 4689. Up to 318 conditions per place. [2021-03-25 22:06:17,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 400 [2021-03-25 22:06:17,329 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:17,329 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:17,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-25 22:06:17,329 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 273 transitions, 4088 flow [2021-03-25 22:06:17,330 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) [2021-03-25 22:06:17,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:17,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:17,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 22:06:17,330 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:17,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:17,330 INFO L82 PathProgramCache]: Analyzing trace with hash 195675351, now seen corresponding path program 1 times [2021-03-25 22:06:17,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:17,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743672414] [2021-03-25 22:06:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:17,356 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:17,360 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:17,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:17,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:17,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:17,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:17,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:17,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:17,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:17,421 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:17,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:17,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743672414] [2021-03-25 22:06:17,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:17,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:17,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333459089] [2021-03-25 22:06:17,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:17,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:17,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:17,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:17,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-25 22:06:17,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 273 transitions, 4088 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) [2021-03-25 22:06:17,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:17,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-25 22:06:17,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:17,733 INFO L129 PetriNetUnfolder]: 488/886 cut-off events. [2021-03-25 22:06:17,733 INFO L130 PetriNetUnfolder]: For 12720/12726 co-relation queries the response was YES. [2021-03-25 22:06:17,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7545 conditions, 886 events. 488/886 cut-off events. For 12720/12726 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4615 event pairs, 95 based on Foata normal form. 4/887 useless extension candidates. Maximal degree in co-relation 7455. Up to 787 conditions per place. [2021-03-25 22:06:17,741 INFO L132 encePairwiseOnDemand]: 85/104 looper letters, 220 selfloop transitions, 44 changer transitions 8/280 dead transitions. [2021-03-25 22:06:17,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 280 transitions, 4702 flow [2021-03-25 22:06:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 305 transitions. [2021-03-25 22:06:17,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32585470085470086 [2021-03-25 22:06:17,742 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 305 transitions. [2021-03-25 22:06:17,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 305 transitions. [2021-03-25 22:06:17,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:17,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 305 transitions. [2021-03-25 22:06:17,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 33.888888888888886) internal successors, (305), 9 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:17,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:17,743 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:17,743 INFO L185 Difference]: Start difference. First operand has 201 places, 273 transitions, 4088 flow. Second operand 9 states and 305 transitions. [2021-03-25 22:06:17,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 280 transitions, 4702 flow [2021-03-25 22:06:17,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 280 transitions, 4558 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:17,792 INFO L241 Difference]: Finished difference. Result has 202 places, 268 transitions, 3998 flow [2021-03-25 22:06:17,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3950, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3998, PETRI_PLACES=202, PETRI_TRANSITIONS=268} [2021-03-25 22:06:17,793 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2021-03-25 22:06:17,793 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:17,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 268 transitions, 3998 flow [2021-03-25 22:06:17,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 268 transitions, 3998 flow [2021-03-25 22:06:17,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 268 transitions, 3998 flow [2021-03-25 22:06:17,838 INFO L129 PetriNetUnfolder]: 274/589 cut-off events. [2021-03-25 22:06:17,838 INFO L130 PetriNetUnfolder]: For 7541/7677 co-relation queries the response was YES. [2021-03-25 22:06:17,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4643 conditions, 589 events. 274/589 cut-off events. For 7541/7677 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3419 event pairs, 11 based on Foata normal form. 13/591 useless extension candidates. Maximal degree in co-relation 4520. Up to 318 conditions per place. [2021-03-25 22:06:17,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 396 [2021-03-25 22:06:17,888 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:17,888 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:06:17,888 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-03-25 22:06:17,889 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 268 transitions, 4003 flow [2021-03-25 22:06:17,889 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) [2021-03-25 22:06:17,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:17,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:17,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 22:06:17,889 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:17,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:17,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1339167958, now seen corresponding path program 3 times [2021-03-25 22:06:17,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:17,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163390356] [2021-03-25 22:06:17,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:17,917 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:17,923 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:17,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:17,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:17,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:17,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:17,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:17,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:17,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:17,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163390356] [2021-03-25 22:06:17,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:17,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:17,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220941301] [2021-03-25 22:06:17,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:17,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:17,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:18,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:18,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-25 22:06:18,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 268 transitions, 4003 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) [2021-03-25 22:06:18,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:18,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-25 22:06:18,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:18,356 INFO L129 PetriNetUnfolder]: 485/875 cut-off events. [2021-03-25 22:06:18,356 INFO L130 PetriNetUnfolder]: For 12160/12188 co-relation queries the response was YES. [2021-03-25 22:06:18,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7395 conditions, 875 events. 485/875 cut-off events. For 12160/12188 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4557 event pairs, 71 based on Foata normal form. 11/883 useless extension candidates. Maximal degree in co-relation 7280. Up to 779 conditions per place. [2021-03-25 22:06:18,365 INFO L132 encePairwiseOnDemand]: 86/105 looper letters, 219 selfloop transitions, 46 changer transitions 2/275 dead transitions. [2021-03-25 22:06:18,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 275 transitions, 4622 flow [2021-03-25 22:06:18,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-25 22:06:18,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29816849816849816 [2021-03-25 22:06:18,370 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-25 22:06:18,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-25 22:06:18,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:18,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-25 22:06:18,371 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) [2021-03-25 22:06:18,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 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) [2021-03-25 22:06:18,372 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 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) [2021-03-25 22:06:18,373 INFO L185 Difference]: Start difference. First operand has 196 places, 268 transitions, 4003 flow. Second operand 13 states and 407 transitions. [2021-03-25 22:06:18,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 275 transitions, 4622 flow [2021-03-25 22:06:18,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 275 transitions, 4436 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:18,424 INFO L241 Difference]: Finished difference. Result has 200 places, 267 transitions, 3903 flow [2021-03-25 22:06:18,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3819, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3903, PETRI_PLACES=200, PETRI_TRANSITIONS=267} [2021-03-25 22:06:18,425 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 161 predicate places. [2021-03-25 22:06:18,425 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:18,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 267 transitions, 3903 flow [2021-03-25 22:06:18,425 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 267 transitions, 3903 flow [2021-03-25 22:06:18,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 267 transitions, 3903 flow [2021-03-25 22:06:18,470 INFO L129 PetriNetUnfolder]: 271/586 cut-off events. [2021-03-25 22:06:18,470 INFO L130 PetriNetUnfolder]: For 6966/7099 co-relation queries the response was YES. [2021-03-25 22:06:18,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4566 conditions, 586 events. 271/586 cut-off events. For 6966/7099 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3430 event pairs, 11 based on Foata normal form. 13/589 useless extension candidates. Maximal degree in co-relation 4492. Up to 316 conditions per place. [2021-03-25 22:06:18,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-25 22:06:18,486 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:18,486 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:18,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-25 22:06:18,487 INFO L480 AbstractCegarLoop]: Abstraction has has 198 places, 267 transitions, 3903 flow [2021-03-25 22:06:18,487 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) [2021-03-25 22:06:18,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:18,487 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:18,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 22:06:18,487 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:18,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:18,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1214745932, now seen corresponding path program 1 times [2021-03-25 22:06:18,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:18,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370362941] [2021-03-25 22:06:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:18,509 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:18,513 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:18,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:18,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:18,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:18,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:18,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:18,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:18,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:18,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:18,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:18,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:18,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:18,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:18,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:18,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370362941] [2021-03-25 22:06:18,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:18,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:18,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395460333] [2021-03-25 22:06:18,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:18,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:18,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:18,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:18,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-25 22:06:18,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 267 transitions, 3903 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) [2021-03-25 22:06:18,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:18,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-25 22:06:18,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:18,869 INFO L129 PetriNetUnfolder]: 484/873 cut-off events. [2021-03-25 22:06:18,869 INFO L130 PetriNetUnfolder]: For 11229/11257 co-relation queries the response was YES. [2021-03-25 22:06:18,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7253 conditions, 873 events. 484/873 cut-off events. For 11229/11257 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4514 event pairs, 97 based on Foata normal form. 11/881 useless extension candidates. Maximal degree in co-relation 7177. Up to 784 conditions per place. [2021-03-25 22:06:18,877 INFO L132 encePairwiseOnDemand]: 88/105 looper letters, 217 selfloop transitions, 43 changer transitions 3/271 dead transitions. [2021-03-25 22:06:18,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 271 transitions, 4458 flow [2021-03-25 22:06:18,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 325 transitions. [2021-03-25 22:06:18,878 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2021-03-25 22:06:18,878 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 325 transitions. [2021-03-25 22:06:18,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 325 transitions. [2021-03-25 22:06:18,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:18,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 325 transitions. [2021-03-25 22:06:18,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 32.5) internal successors, (325), 10 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:18,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:18,880 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:18,880 INFO L185 Difference]: Start difference. First operand has 198 places, 267 transitions, 3903 flow. Second operand 10 states and 325 transitions. [2021-03-25 22:06:18,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 271 transitions, 4458 flow [2021-03-25 22:06:18,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 271 transitions, 4315 flow, removed 18 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:18,927 INFO L241 Difference]: Finished difference. Result has 198 places, 264 transitions, 3814 flow [2021-03-25 22:06:18,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3760, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3814, PETRI_PLACES=198, PETRI_TRANSITIONS=264} [2021-03-25 22:06:18,928 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2021-03-25 22:06:18,928 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:18,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 264 transitions, 3814 flow [2021-03-25 22:06:18,928 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 264 transitions, 3814 flow [2021-03-25 22:06:18,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 264 transitions, 3814 flow [2021-03-25 22:06:18,972 INFO L129 PetriNetUnfolder]: 267/579 cut-off events. [2021-03-25 22:06:18,972 INFO L130 PetriNetUnfolder]: For 6733/6866 co-relation queries the response was YES. [2021-03-25 22:06:18,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4485 conditions, 579 events. 267/579 cut-off events. For 6733/6866 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3348 event pairs, 11 based on Foata normal form. 13/582 useless extension candidates. Maximal degree in co-relation 4411. Up to 312 conditions per place. [2021-03-25 22:06:18,979 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-25 22:06:18,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:18,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:18,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-25 22:06:18,989 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 264 transitions, 3814 flow [2021-03-25 22:06:18,989 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) [2021-03-25 22:06:18,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:18,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:18,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 22:06:18,989 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:18,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:18,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1477172377, now seen corresponding path program 2 times [2021-03-25 22:06:18,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:18,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572392904] [2021-03-25 22:06:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:19,008 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:19,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:19,013 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:19,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:19,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:19,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:19,101 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:19,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:19,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572392904] [2021-03-25 22:06:19,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:19,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:19,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625109493] [2021-03-25 22:06:19,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:19,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:19,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:19,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:19,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-25 22:06:19,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 264 transitions, 3814 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) [2021-03-25 22:06:19,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:19,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-25 22:06:19,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:19,627 INFO L129 PetriNetUnfolder]: 485/877 cut-off events. [2021-03-25 22:06:19,627 INFO L130 PetriNetUnfolder]: For 11450/11478 co-relation queries the response was YES. [2021-03-25 22:06:19,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7280 conditions, 877 events. 485/877 cut-off events. For 11450/11478 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4513 event pairs, 94 based on Foata normal form. 11/885 useless extension candidates. Maximal degree in co-relation 7204. Up to 739 conditions per place. [2021-03-25 22:06:19,635 INFO L132 encePairwiseOnDemand]: 80/105 looper letters, 163 selfloop transitions, 100 changer transitions 6/277 dead transitions. [2021-03-25 22:06:19,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 277 transitions, 4564 flow [2021-03-25 22:06:19,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:06:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:06:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 504 transitions. [2021-03-25 22:06:19,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3 [2021-03-25 22:06:19,636 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 504 transitions. [2021-03-25 22:06:19,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 504 transitions. [2021-03-25 22:06:19,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:19,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 504 transitions. [2021-03-25 22:06:19,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.5) internal successors, (504), 16 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:19,638 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) [2021-03-25 22:06:19,638 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) [2021-03-25 22:06:19,638 INFO L185 Difference]: Start difference. First operand has 194 places, 264 transitions, 3814 flow. Second operand 16 states and 504 transitions. [2021-03-25 22:06:19,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 277 transitions, 4564 flow [2021-03-25 22:06:19,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 277 transitions, 4466 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-03-25 22:06:19,686 INFO L241 Difference]: Finished difference. Result has 206 places, 266 transitions, 3974 flow [2021-03-25 22:06:19,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3718, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3974, PETRI_PLACES=206, PETRI_TRANSITIONS=266} [2021-03-25 22:06:19,687 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 167 predicate places. [2021-03-25 22:06:19,687 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:19,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 266 transitions, 3974 flow [2021-03-25 22:06:19,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 266 transitions, 3974 flow [2021-03-25 22:06:19,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 266 transitions, 3974 flow [2021-03-25 22:06:19,729 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][250], [Black: 371#(and (<= t12 (+ y1 1)) (= x2 (+ x1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 366#(and (= y2 y1) (= x2 x1)), 392#true, 8#L73true, 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), 674#true, Black: 414#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 163#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 690#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 692#(and (<= (+ y1 1) y2) (<= y2 t11) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= t11 y2)), Black: 694#(and (= y2 y1) (<= y2 t11) (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= t11 y2)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 696#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 189#true, Black: 681#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 684#(and (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 64#(not f12), Black: 321#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 69#(not f11), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 196#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 338#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 342#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 99#(and (<= y2 (+ y1 2)) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12) (<= (+ y1 2) y2)), Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 497#(and (= (+ y2 1) y1) (= x2 x1)), Black: 241#(and (= y2 y1) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21)), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 232#(and (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (< y1 y2)), Black: 121#(not f21), Black: 233#(and (= y2 y1) (= x2 (+ x1 1))), Black: 368#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 369#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1))]) [2021-03-25 22:06:19,729 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-25 22:06:19,729 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:19,730 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:19,730 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 22:06:19,733 INFO L129 PetriNetUnfolder]: 283/596 cut-off events. [2021-03-25 22:06:19,733 INFO L130 PetriNetUnfolder]: For 8953/9089 co-relation queries the response was YES. [2021-03-25 22:06:19,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4869 conditions, 596 events. 283/596 cut-off events. For 8953/9089 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3367 event pairs, 15 based on Foata normal form. 17/600 useless extension candidates. Maximal degree in co-relation 4792. Up to 328 conditions per place. [2021-03-25 22:06:19,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-25 22:06:19,756 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:19,756 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:19,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-25 22:06:19,756 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 266 transitions, 3974 flow [2021-03-25 22:06:19,756 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) [2021-03-25 22:06:19,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:19,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:19,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-25 22:06:19,757 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:19,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1944054239, now seen corresponding path program 3 times [2021-03-25 22:06:19,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:19,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756116553] [2021-03-25 22:06:19,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:19,769 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:19,773 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:19,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:19,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:19,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:19,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:19,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:19,858 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:19,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:19,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756116553] [2021-03-25 22:06:19,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:19,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:19,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571575204] [2021-03-25 22:06:19,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:19,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:19,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:19,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:19,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-25 22:06:19,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 266 transitions, 3974 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) [2021-03-25 22:06:19,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:19,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-25 22:06:19,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:20,281 INFO L129 PetriNetUnfolder]: 482/869 cut-off events. [2021-03-25 22:06:20,281 INFO L130 PetriNetUnfolder]: For 13122/13163 co-relation queries the response was YES. [2021-03-25 22:06:20,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7470 conditions, 869 events. 482/869 cut-off events. For 13122/13163 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4435 event pairs, 102 based on Foata normal form. 12/877 useless extension candidates. Maximal degree in co-relation 7391. Up to 713 conditions per place. [2021-03-25 22:06:20,288 INFO L132 encePairwiseOnDemand]: 79/105 looper letters, 154 selfloop transitions, 104 changer transitions 9/275 dead transitions. [2021-03-25 22:06:20,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 275 transitions, 4639 flow [2021-03-25 22:06:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:06:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:06:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-25 22:06:20,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3047619047619048 [2021-03-25 22:06:20,290 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-25 22:06:20,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-25 22:06:20,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:20,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-25 22:06:20,290 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) [2021-03-25 22:06:20,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 105.0) internal successors, (1680), 16 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:20,291 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 105.0) internal successors, (1680), 16 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:20,292 INFO L185 Difference]: Start difference. First operand has 202 places, 266 transitions, 3974 flow. Second operand 15 states and 480 transitions. [2021-03-25 22:06:20,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 275 transitions, 4639 flow [2021-03-25 22:06:20,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 275 transitions, 4397 flow, removed 24 selfloop flow, removed 13 redundant places. [2021-03-25 22:06:20,340 INFO L241 Difference]: Finished difference. Result has 206 places, 259 transitions, 3882 flow [2021-03-25 22:06:20,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3736, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3882, PETRI_PLACES=206, PETRI_TRANSITIONS=259} [2021-03-25 22:06:20,341 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 167 predicate places. [2021-03-25 22:06:20,341 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:20,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 259 transitions, 3882 flow [2021-03-25 22:06:20,341 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 259 transitions, 3882 flow [2021-03-25 22:06:20,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 259 transitions, 3882 flow [2021-03-25 22:06:20,380 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][127], [Black: 371#(and (<= t12 (+ y1 1)) (= x2 (+ x1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 366#(and (= y2 y1) (= x2 x1)), 392#true, 8#L73true, 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 414#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 163#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 690#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), 189#true, Black: 681#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 704#true, Black: 64#(not f12), Black: 69#(not f11), Black: 321#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 722#(and (<= (+ y1 1) y2) (<= y2 t11) (<= y2 (+ y1 1)) (= x2 x1) (<= t11 y2)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 724#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 713#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 196#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 338#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 342#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 99#(and (<= y2 (+ y1 2)) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12) (<= (+ y1 2) y2)), Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 241#(and (= y2 y1) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21)), Black: 497#(and (= (+ y2 1) y1) (= x2 x1)), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 232#(and (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (< y1 y2)), Black: 121#(not f21), Black: 233#(and (= y2 y1) (= x2 (+ x1 1))), Black: 368#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 369#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1))]) [2021-03-25 22:06:20,381 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-25 22:06:20,381 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 22:06:20,381 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:20,381 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:20,392 INFO L129 PetriNetUnfolder]: 283/591 cut-off events. [2021-03-25 22:06:20,392 INFO L130 PetriNetUnfolder]: For 8239/8411 co-relation queries the response was YES. [2021-03-25 22:06:20,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4818 conditions, 591 events. 283/591 cut-off events. For 8239/8411 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3343 event pairs, 15 based on Foata normal form. 12/590 useless extension candidates. Maximal degree in co-relation 4742. Up to 326 conditions per place. [2021-03-25 22:06:20,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-25 22:06:20,407 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:20,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:20,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-25 22:06:20,408 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 259 transitions, 3882 flow [2021-03-25 22:06:20,408 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) [2021-03-25 22:06:20,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:20,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:20,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-25 22:06:20,408 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:20,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash -492994473, now seen corresponding path program 4 times [2021-03-25 22:06:20,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:20,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537953155] [2021-03-25 22:06:20,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:20,421 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:20,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:20,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:20,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:20,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:20,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:20,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:20,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:20,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:20,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:20,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:20,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:20,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:20,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537953155] [2021-03-25 22:06:20,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:20,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:20,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095381019] [2021-03-25 22:06:20,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:20,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:20,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:20,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:20,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-25 22:06:20,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 259 transitions, 3882 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) [2021-03-25 22:06:20,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:20,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-25 22:06:20,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:20,984 INFO L129 PetriNetUnfolder]: 486/881 cut-off events. [2021-03-25 22:06:20,984 INFO L130 PetriNetUnfolder]: For 13073/13106 co-relation queries the response was YES. [2021-03-25 22:06:20,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7580 conditions, 881 events. 486/881 cut-off events. For 13073/13106 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4506 event pairs, 95 based on Foata normal form. 17/895 useless extension candidates. Maximal degree in co-relation 7502. Up to 697 conditions per place. [2021-03-25 22:06:20,991 INFO L132 encePairwiseOnDemand]: 79/105 looper letters, 135 selfloop transitions, 126 changer transitions 10/279 dead transitions. [2021-03-25 22:06:20,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 279 transitions, 4798 flow [2021-03-25 22:06:20,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 439 transitions. [2021-03-25 22:06:20,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32161172161172163 [2021-03-25 22:06:20,992 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 439 transitions. [2021-03-25 22:06:20,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 439 transitions. [2021-03-25 22:06:20,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:20,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 439 transitions. [2021-03-25 22:06:20,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.76923076923077) internal successors, (439), 13 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) [2021-03-25 22:06:20,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 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) [2021-03-25 22:06:20,994 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 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) [2021-03-25 22:06:20,994 INFO L185 Difference]: Start difference. First operand has 196 places, 259 transitions, 3882 flow. Second operand 13 states and 439 transitions. [2021-03-25 22:06:20,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 279 transitions, 4798 flow [2021-03-25 22:06:21,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 279 transitions, 4509 flow, removed 12 selfloop flow, removed 15 redundant places. [2021-03-25 22:06:21,045 INFO L241 Difference]: Finished difference. Result has 196 places, 261 transitions, 4034 flow [2021-03-25 22:06:21,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3607, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4034, PETRI_PLACES=196, PETRI_TRANSITIONS=261} [2021-03-25 22:06:21,045 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 157 predicate places. [2021-03-25 22:06:21,045 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:21,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 261 transitions, 4034 flow [2021-03-25 22:06:21,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 261 transitions, 4034 flow [2021-03-25 22:06:21,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 261 transitions, 4034 flow [2021-03-25 22:06:21,087 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][162], [Black: 371#(and (<= t12 (+ y1 1)) (= x2 (+ x1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 366#(and (= y2 y1) (= x2 x1)), 392#true, 8#L73true, 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 414#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 163#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 690#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), 189#true, Black: 64#(not f12), Black: 69#(not f11), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), 729#true, Black: 196#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 338#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 342#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 738#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 747#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 731#(and (= y2 y1) (= x2 x1)), Black: 99#(and (<= y2 (+ y1 2)) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12) (<= (+ y1 2) y2)), Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 497#(and (= (+ y2 1) y1) (= x2 x1)), Black: 241#(and (= y2 y1) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21)), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 121#(not f21), Black: 232#(and (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (< y1 y2)), Black: 233#(and (= y2 y1) (= x2 (+ x1 1))), Black: 368#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 369#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1))]) [2021-03-25 22:06:21,087 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-25 22:06:21,087 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 22:06:21,088 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:21,088 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:21,094 INFO L129 PetriNetUnfolder]: 292/616 cut-off events. [2021-03-25 22:06:21,094 INFO L130 PetriNetUnfolder]: For 9266/9398 co-relation queries the response was YES. [2021-03-25 22:06:21,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 616 events. 292/616 cut-off events. For 9266/9398 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3471 event pairs, 17 based on Foata normal form. 18/617 useless extension candidates. Maximal degree in co-relation 5015. Up to 341 conditions per place. [2021-03-25 22:06:21,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 384 [2021-03-25 22:06:21,152 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:21,152 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:21,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-03-25 22:06:21,153 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 261 transitions, 4051 flow [2021-03-25 22:06:21,153 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) [2021-03-25 22:06:21,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:21,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:21,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 22:06:21,153 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:21,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:21,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1650283492, now seen corresponding path program 1 times [2021-03-25 22:06:21,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:21,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105930647] [2021-03-25 22:06:21,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:21,179 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:21,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:21,184 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:21,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:21,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:21,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:21,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:21,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:21,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:21,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:21,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:21,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:21,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:21,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:21,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105930647] [2021-03-25 22:06:21,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:21,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:21,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688087584] [2021-03-25 22:06:21,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:21,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:21,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:21,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:21,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 107 [2021-03-25 22:06:21,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 261 transitions, 4051 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) [2021-03-25 22:06:21,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:21,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 107 [2021-03-25 22:06:21,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:21,633 INFO L129 PetriNetUnfolder]: 490/890 cut-off events. [2021-03-25 22:06:21,633 INFO L130 PetriNetUnfolder]: For 13539/13567 co-relation queries the response was YES. [2021-03-25 22:06:21,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7789 conditions, 890 events. 490/890 cut-off events. For 13539/13567 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4635 event pairs, 95 based on Foata normal form. 11/898 useless extension candidates. Maximal degree in co-relation 7649. Up to 796 conditions per place. [2021-03-25 22:06:21,641 INFO L132 encePairwiseOnDemand]: 89/107 looper letters, 224 selfloop transitions, 45 changer transitions 2/279 dead transitions. [2021-03-25 22:06:21,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 279 transitions, 4853 flow [2021-03-25 22:06:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 356 transitions. [2021-03-25 22:06:21,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30246389124893797 [2021-03-25 22:06:21,642 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 356 transitions. [2021-03-25 22:06:21,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 356 transitions. [2021-03-25 22:06:21,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:21,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 356 transitions. [2021-03-25 22:06:21,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.36363636363637) internal successors, (356), 11 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:21,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:21,644 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:21,644 INFO L185 Difference]: Start difference. First operand has 196 places, 261 transitions, 4051 flow. Second operand 11 states and 356 transitions. [2021-03-25 22:06:21,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 279 transitions, 4853 flow [2021-03-25 22:06:21,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 279 transitions, 4431 flow, removed 80 selfloop flow, removed 14 redundant places. [2021-03-25 22:06:21,702 INFO L241 Difference]: Finished difference. Result has 198 places, 272 transitions, 3962 flow [2021-03-25 22:06:21,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=3641, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3962, PETRI_PLACES=198, PETRI_TRANSITIONS=272} [2021-03-25 22:06:21,702 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2021-03-25 22:06:21,702 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:21,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 272 transitions, 3962 flow [2021-03-25 22:06:21,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 272 transitions, 3962 flow [2021-03-25 22:06:21,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 272 transitions, 3962 flow [2021-03-25 22:06:21,746 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][9], [Black: 371#(and (<= t12 (+ y1 1)) (= x2 (+ x1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 769#(and (<= t12 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= y1 t12)), Black: 754#(and (= y2 y1) (= x2 x1)), Black: 366#(and (= y2 y1) (= x2 x1)), Black: 756#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 759#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), 392#true, 8#L73true, Black: 763#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 767#(and (<= t12 (+ y1 1)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 1) t12)), 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 414#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 690#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), 189#true, Black: 64#(not f12), Black: 69#(not f11), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), 729#true, Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 342#(and (<= y2 (+ y1 2)) (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 738#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 747#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 752#true, Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 241#(and (= y2 y1) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21)), Black: 497#(and (= (+ y2 1) y1) (= x2 x1)), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 232#(and (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (< y1 y2)), Black: 121#(not f21), Black: 233#(and (= y2 y1) (= x2 (+ x1 1))), Black: 368#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 369#(and (= (+ x1 2) x2) (<= y1 y2) (<= y2 y1))]) [2021-03-25 22:06:21,746 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-25 22:06:21,746 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:21,746 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 22:06:21,746 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 22:06:21,750 INFO L129 PetriNetUnfolder]: 289/618 cut-off events. [2021-03-25 22:06:21,750 INFO L130 PetriNetUnfolder]: For 9099/9270 co-relation queries the response was YES. [2021-03-25 22:06:21,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5009 conditions, 618 events. 289/618 cut-off events. For 9099/9270 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3566 event pairs, 12 based on Foata normal form. 17/615 useless extension candidates. Maximal degree in co-relation 4893. Up to 339 conditions per place. [2021-03-25 22:06:21,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-25 22:06:21,766 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:21,766 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:21,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-25 22:06:21,766 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 272 transitions, 3962 flow [2021-03-25 22:06:21,766 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) [2021-03-25 22:06:21,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:21,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:21,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-25 22:06:21,767 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:21,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1939665357, now seen corresponding path program 1 times [2021-03-25 22:06:21,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:21,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150847487] [2021-03-25 22:06:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:21,779 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:21,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:21,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:21,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:21,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:21,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:21,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:21,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:21,820 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:21,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:21,841 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-25 22:06:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:06:21,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:21,854 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:21,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:21,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150847487] [2021-03-25 22:06:21,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:21,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:21,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565106226] [2021-03-25 22:06:21,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:21,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:21,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 107 [2021-03-25 22:06:21,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 272 transitions, 3962 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) [2021-03-25 22:06:21,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:21,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 107 [2021-03-25 22:06:21,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:22,220 INFO L129 PetriNetUnfolder]: 495/900 cut-off events. [2021-03-25 22:06:22,220 INFO L130 PetriNetUnfolder]: For 12920/12953 co-relation queries the response was YES. [2021-03-25 22:06:22,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7678 conditions, 900 events. 495/900 cut-off events. For 12920/12953 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4698 event pairs, 89 based on Foata normal form. 19/917 useless extension candidates. Maximal degree in co-relation 7561. Up to 742 conditions per place. [2021-03-25 22:06:22,226 INFO L132 encePairwiseOnDemand]: 83/107 looper letters, 187 selfloop transitions, 96 changer transitions 2/293 dead transitions. [2021-03-25 22:06:22,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 293 transitions, 4831 flow [2021-03-25 22:06:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:06:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:06:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 301 transitions. [2021-03-25 22:06:22,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3516355140186916 [2021-03-25 22:06:22,227 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 301 transitions. [2021-03-25 22:06:22,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 301 transitions. [2021-03-25 22:06:22,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:22,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 301 transitions. [2021-03-25 22:06:22,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 37.625) internal successors, (301), 8 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:22,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:22,229 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:22,229 INFO L185 Difference]: Start difference. First operand has 197 places, 272 transitions, 3962 flow. Second operand 8 states and 301 transitions. [2021-03-25 22:06:22,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 293 transitions, 4831 flow [2021-03-25 22:06:22,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 293 transitions, 4693 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-03-25 22:06:22,290 INFO L241 Difference]: Finished difference. Result has 202 places, 280 transitions, 4215 flow [2021-03-25 22:06:22,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=3824, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4215, PETRI_PLACES=202, PETRI_TRANSITIONS=280} [2021-03-25 22:06:22,290 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2021-03-25 22:06:22,291 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:22,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 280 transitions, 4215 flow [2021-03-25 22:06:22,291 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 280 transitions, 4215 flow [2021-03-25 22:06:22,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 280 transitions, 4215 flow [2021-03-25 22:06:22,345 INFO L129 PetriNetUnfolder]: 299/633 cut-off events. [2021-03-25 22:06:22,345 INFO L130 PetriNetUnfolder]: For 10068/10265 co-relation queries the response was YES. [2021-03-25 22:06:22,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5329 conditions, 633 events. 299/633 cut-off events. For 10068/10265 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3672 event pairs, 12 based on Foata normal form. 20/635 useless extension candidates. Maximal degree in co-relation 5250. Up to 343 conditions per place. [2021-03-25 22:06:22,356 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-25 22:06:22,370 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:22,370 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:22,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-25 22:06:22,371 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 280 transitions, 4215 flow [2021-03-25 22:06:22,371 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) [2021-03-25 22:06:22,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:22,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:22,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 22:06:22,372 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:22,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:22,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1821862030, now seen corresponding path program 2 times [2021-03-25 22:06:22,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:22,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096690668] [2021-03-25 22:06:22,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:22,386 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:22,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:22,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:22,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:22,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:22,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:22,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:22,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:22,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:22,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:22,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:22,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:22,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:22,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:22,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:22,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:22,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:22,456 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:22,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:22,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096690668] [2021-03-25 22:06:22,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:22,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:22,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560009565] [2021-03-25 22:06:22,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:22,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:22,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:22,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:22,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 107 [2021-03-25 22:06:22,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 280 transitions, 4215 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) [2021-03-25 22:06:22,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:22,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 107 [2021-03-25 22:06:22,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:23,107 INFO L129 PetriNetUnfolder]: 568/1020 cut-off events. [2021-03-25 22:06:23,107 INFO L130 PetriNetUnfolder]: For 15994/16003 co-relation queries the response was YES. [2021-03-25 22:06:23,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9074 conditions, 1020 events. 568/1020 cut-off events. For 15994/16003 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5439 event pairs, 99 based on Foata normal form. 6/1023 useless extension candidates. Maximal degree in co-relation 8993. Up to 817 conditions per place. [2021-03-25 22:06:23,117 INFO L132 encePairwiseOnDemand]: 80/107 looper letters, 191 selfloop transitions, 156 changer transitions 4/359 dead transitions. [2021-03-25 22:06:23,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 359 transitions, 6232 flow [2021-03-25 22:06:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 22:06:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 22:06:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 678 transitions. [2021-03-25 22:06:23,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30173564753004006 [2021-03-25 22:06:23,118 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 678 transitions. [2021-03-25 22:06:23,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 678 transitions. [2021-03-25 22:06:23,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:23,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 678 transitions. [2021-03-25 22:06:23,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.285714285714285) internal successors, (678), 21 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:23,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 107.0) internal successors, (2354), 22 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:23,121 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 107.0) internal successors, (2354), 22 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:23,121 INFO L185 Difference]: Start difference. First operand has 201 places, 280 transitions, 4215 flow. Second operand 21 states and 678 transitions. [2021-03-25 22:06:23,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 359 transitions, 6232 flow [2021-03-25 22:06:23,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 359 transitions, 6054 flow, removed 50 selfloop flow, removed 4 redundant places. [2021-03-25 22:06:23,191 INFO L241 Difference]: Finished difference. Result has 222 places, 345 transitions, 5583 flow [2021-03-25 22:06:23,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=4039, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5583, PETRI_PLACES=222, PETRI_TRANSITIONS=345} [2021-03-25 22:06:23,191 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 183 predicate places. [2021-03-25 22:06:23,191 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:23,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 345 transitions, 5583 flow [2021-03-25 22:06:23,191 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 345 transitions, 5583 flow [2021-03-25 22:06:23,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 345 transitions, 5583 flow [2021-03-25 22:06:23,267 INFO L129 PetriNetUnfolder]: 361/746 cut-off events. [2021-03-25 22:06:23,267 INFO L130 PetriNetUnfolder]: For 13163/13369 co-relation queries the response was YES. [2021-03-25 22:06:23,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 746 events. 361/746 cut-off events. For 13163/13369 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4402 event pairs, 24 based on Foata normal form. 18/756 useless extension candidates. Maximal degree in co-relation 6472. Up to 398 conditions per place. [2021-03-25 22:06:23,275 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-25 22:06:23,352 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:06:23,353 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:23,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 162 [2021-03-25 22:06:23,353 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 345 transitions, 5607 flow [2021-03-25 22:06:23,353 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) [2021-03-25 22:06:23,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:23,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:23,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-25 22:06:23,353 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:23,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:23,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1241915521, now seen corresponding path program 1 times [2021-03-25 22:06:23,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:23,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977345353] [2021-03-25 22:06:23,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:23,368 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:23,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:23,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:23,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:23,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:23,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:23,400 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:23,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:23,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:23,430 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:23,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:23,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:23,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977345353] [2021-03-25 22:06:23,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:23,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:23,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455632033] [2021-03-25 22:06:23,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:23,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:23,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:23,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:23,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:23,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 345 transitions, 5607 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) [2021-03-25 22:06:23,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:23,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:23,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:23,818 INFO L129 PetriNetUnfolder]: 567/1019 cut-off events. [2021-03-25 22:06:23,819 INFO L130 PetriNetUnfolder]: For 17873/17917 co-relation queries the response was YES. [2021-03-25 22:06:23,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9525 conditions, 1019 events. 567/1019 cut-off events. For 17873/17917 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5471 event pairs, 76 based on Foata normal form. 14/1029 useless extension candidates. Maximal degree in co-relation 9400. Up to 882 conditions per place. [2021-03-25 22:06:23,831 INFO L132 encePairwiseOnDemand]: 85/109 looper letters, 247 selfloop transitions, 98 changer transitions 2/355 dead transitions. [2021-03-25 22:06:23,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 355 transitions, 6457 flow [2021-03-25 22:06:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 321 transitions. [2021-03-25 22:06:23,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.327217125382263 [2021-03-25 22:06:23,844 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 321 transitions. [2021-03-25 22:06:23,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 321 transitions. [2021-03-25 22:06:23,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:23,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 321 transitions. [2021-03-25 22:06:23,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.666666666666664) internal successors, (321), 9 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:23,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:23,846 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:23,846 INFO L185 Difference]: Start difference. First operand has 220 places, 345 transitions, 5607 flow. Second operand 9 states and 321 transitions. [2021-03-25 22:06:23,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 355 transitions, 6457 flow [2021-03-25 22:06:23,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 355 transitions, 5934 flow, removed 248 selfloop flow, removed 1 redundant places. [2021-03-25 22:06:23,935 INFO L241 Difference]: Finished difference. Result has 230 places, 347 transitions, 5401 flow [2021-03-25 22:06:23,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5092, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5401, PETRI_PLACES=230, PETRI_TRANSITIONS=347} [2021-03-25 22:06:23,935 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 191 predicate places. [2021-03-25 22:06:23,935 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:23,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 347 transitions, 5401 flow [2021-03-25 22:06:23,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 347 transitions, 5401 flow [2021-03-25 22:06:23,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 229 places, 347 transitions, 5401 flow [2021-03-25 22:06:23,998 INFO L129 PetriNetUnfolder]: 366/745 cut-off events. [2021-03-25 22:06:23,998 INFO L130 PetriNetUnfolder]: For 12687/12910 co-relation queries the response was YES. [2021-03-25 22:06:24,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6514 conditions, 745 events. 366/745 cut-off events. For 12687/12910 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4366 event pairs, 23 based on Foata normal form. 18/749 useless extension candidates. Maximal degree in co-relation 6375. Up to 378 conditions per place. [2021-03-25 22:06:24,007 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-25 22:06:24,020 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:24,020 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:24,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-25 22:06:24,020 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 347 transitions, 5401 flow [2021-03-25 22:06:24,020 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) [2021-03-25 22:06:24,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:24,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:24,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-25 22:06:24,021 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:24,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:24,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1049694446, now seen corresponding path program 1 times [2021-03-25 22:06:24,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:24,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975413821] [2021-03-25 22:06:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:24,034 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:24,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:24,042 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:24,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:24,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:24,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:24,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:24,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:24,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:24,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:24,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975413821] [2021-03-25 22:06:24,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:24,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:24,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994932279] [2021-03-25 22:06:24,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:24,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:24,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:24,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:24,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:24,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 347 transitions, 5401 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) [2021-03-25 22:06:24,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:24,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:24,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:24,479 INFO L129 PetriNetUnfolder]: 568/1026 cut-off events. [2021-03-25 22:06:24,479 INFO L130 PetriNetUnfolder]: For 16390/16434 co-relation queries the response was YES. [2021-03-25 22:06:24,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9392 conditions, 1026 events. 568/1026 cut-off events. For 16390/16434 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5557 event pairs, 73 based on Foata normal form. 14/1036 useless extension candidates. Maximal degree in co-relation 9262. Up to 828 conditions per place. [2021-03-25 22:06:24,488 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 209 selfloop transitions, 138 changer transitions 2/357 dead transitions. [2021-03-25 22:06:24,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 357 transitions, 6246 flow [2021-03-25 22:06:24,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 361 transitions. [2021-03-25 22:06:24,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3311926605504587 [2021-03-25 22:06:24,489 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 361 transitions. [2021-03-25 22:06:24,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 361 transitions. [2021-03-25 22:06:24,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:24,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 361 transitions. [2021-03-25 22:06:24,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 36.1) internal successors, (361), 10 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:24,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:24,491 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:24,491 INFO L185 Difference]: Start difference. First operand has 229 places, 347 transitions, 5401 flow. Second operand 10 states and 361 transitions. [2021-03-25 22:06:24,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 357 transitions, 6246 flow [2021-03-25 22:06:24,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 357 transitions, 5992 flow, removed 18 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:24,571 INFO L241 Difference]: Finished difference. Result has 233 places, 348 transitions, 5550 flow [2021-03-25 22:06:24,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5149, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5550, PETRI_PLACES=233, PETRI_TRANSITIONS=348} [2021-03-25 22:06:24,572 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 194 predicate places. [2021-03-25 22:06:24,572 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:24,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 348 transitions, 5550 flow [2021-03-25 22:06:24,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 348 transitions, 5550 flow [2021-03-25 22:06:24,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 348 transitions, 5550 flow [2021-03-25 22:06:24,634 INFO L129 PetriNetUnfolder]: 361/748 cut-off events. [2021-03-25 22:06:24,634 INFO L130 PetriNetUnfolder]: For 13151/13333 co-relation queries the response was YES. [2021-03-25 22:06:24,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6630 conditions, 748 events. 361/748 cut-off events. For 13151/13333 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4463 event pairs, 24 based on Foata normal form. 20/758 useless extension candidates. Maximal degree in co-relation 6485. Up to 376 conditions per place. [2021-03-25 22:06:24,642 INFO L142 LiptonReduction]: Number of co-enabled transitions 424 [2021-03-25 22:06:24,659 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:24,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:24,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-25 22:06:24,659 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 348 transitions, 5550 flow [2021-03-25 22:06:24,660 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) [2021-03-25 22:06:24,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:24,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:24,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 22:06:24,660 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:24,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:24,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1685574973, now seen corresponding path program 1 times [2021-03-25 22:06:24,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:24,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136113295] [2021-03-25 22:06:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:24,674 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:24,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:24,678 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:24,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:24,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:24,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:24,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:24,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:24,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:24,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:24,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:24,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136113295] [2021-03-25 22:06:24,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:24,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:24,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772827405] [2021-03-25 22:06:24,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:24,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:24,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:24,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:24,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:24,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 348 transitions, 5550 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) [2021-03-25 22:06:24,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:24,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:24,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:25,204 INFO L129 PetriNetUnfolder]: 567/1028 cut-off events. [2021-03-25 22:06:25,204 INFO L130 PetriNetUnfolder]: For 16915/16959 co-relation queries the response was YES. [2021-03-25 22:06:25,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9530 conditions, 1028 events. 567/1028 cut-off events. For 16915/16959 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5558 event pairs, 103 based on Foata normal form. 14/1038 useless extension candidates. Maximal degree in co-relation 9401. Up to 869 conditions per place. [2021-03-25 22:06:25,214 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 222 selfloop transitions, 121 changer transitions 3/354 dead transitions. [2021-03-25 22:06:25,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 354 transitions, 6307 flow [2021-03-25 22:06:25,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 423 transitions. [2021-03-25 22:06:25,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2985179957657022 [2021-03-25 22:06:25,215 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 423 transitions. [2021-03-25 22:06:25,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 423 transitions. [2021-03-25 22:06:25,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:25,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 423 transitions. [2021-03-25 22:06:25,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.53846153846154) internal successors, (423), 13 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:25,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:25,216 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:25,216 INFO L185 Difference]: Start difference. First operand has 233 places, 348 transitions, 5550 flow. Second operand 13 states and 423 transitions. [2021-03-25 22:06:25,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 354 transitions, 6307 flow [2021-03-25 22:06:25,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 354 transitions, 5992 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-03-25 22:06:25,293 INFO L241 Difference]: Finished difference. Result has 239 places, 348 transitions, 5486 flow [2021-03-25 22:06:25,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5235, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5486, PETRI_PLACES=239, PETRI_TRANSITIONS=348} [2021-03-25 22:06:25,294 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 200 predicate places. [2021-03-25 22:06:25,294 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:25,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 348 transitions, 5486 flow [2021-03-25 22:06:25,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 348 transitions, 5486 flow [2021-03-25 22:06:25,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 348 transitions, 5486 flow [2021-03-25 22:06:25,357 INFO L129 PetriNetUnfolder]: 364/751 cut-off events. [2021-03-25 22:06:25,357 INFO L130 PetriNetUnfolder]: For 13099/13271 co-relation queries the response was YES. [2021-03-25 22:06:25,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6607 conditions, 751 events. 364/751 cut-off events. For 13099/13271 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4465 event pairs, 23 based on Foata normal form. 16/757 useless extension candidates. Maximal degree in co-relation 6520. Up to 377 conditions per place. [2021-03-25 22:06:25,366 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-25 22:06:25,379 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:25,379 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:25,379 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-25 22:06:25,380 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 348 transitions, 5486 flow [2021-03-25 22:06:25,380 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) [2021-03-25 22:06:25,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:25,380 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:25,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-25 22:06:25,380 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:25,380 INFO L82 PathProgramCache]: Analyzing trace with hash 811834293, now seen corresponding path program 2 times [2021-03-25 22:06:25,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:25,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808444393] [2021-03-25 22:06:25,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:25,394 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:25,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:25,398 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:25,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:25,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:25,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:25,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:25,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:25,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:25,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:25,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:25,470 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:25,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808444393] [2021-03-25 22:06:25,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:25,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:25,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494922034] [2021-03-25 22:06:25,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:25,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:25,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:25,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:25,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:25,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 348 transitions, 5486 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) [2021-03-25 22:06:25,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:25,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:25,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:25,949 INFO L129 PetriNetUnfolder]: 566/1030 cut-off events. [2021-03-25 22:06:25,950 INFO L130 PetriNetUnfolder]: For 17306/17337 co-relation queries the response was YES. [2021-03-25 22:06:25,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9479 conditions, 1030 events. 566/1030 cut-off events. For 17306/17337 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5560 event pairs, 98 based on Foata normal form. 13/1040 useless extension candidates. Maximal degree in co-relation 9390. Up to 842 conditions per place. [2021-03-25 22:06:25,959 INFO L132 encePairwiseOnDemand]: 80/109 looper letters, 214 selfloop transitions, 132 changer transitions 3/357 dead transitions. [2021-03-25 22:06:25,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 357 transitions, 6294 flow [2021-03-25 22:06:25,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 428 transitions. [2021-03-25 22:06:25,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3020465772759351 [2021-03-25 22:06:25,965 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 428 transitions. [2021-03-25 22:06:25,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 428 transitions. [2021-03-25 22:06:25,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:25,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 428 transitions. [2021-03-25 22:06:25,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.92307692307692) internal successors, (428), 13 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) [2021-03-25 22:06:25,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:25,969 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:25,969 INFO L185 Difference]: Start difference. First operand has 236 places, 348 transitions, 5486 flow. Second operand 13 states and 428 transitions. [2021-03-25 22:06:25,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 357 transitions, 6294 flow [2021-03-25 22:06:26,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 357 transitions, 6044 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-25 22:06:26,051 INFO L241 Difference]: Finished difference. Result has 240 places, 348 transitions, 5522 flow [2021-03-25 22:06:26,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5240, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5522, PETRI_PLACES=240, PETRI_TRANSITIONS=348} [2021-03-25 22:06:26,051 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 201 predicate places. [2021-03-25 22:06:26,051 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:26,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 348 transitions, 5522 flow [2021-03-25 22:06:26,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 348 transitions, 5522 flow [2021-03-25 22:06:26,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 348 transitions, 5522 flow [2021-03-25 22:06:26,159 INFO L129 PetriNetUnfolder]: 362/749 cut-off events. [2021-03-25 22:06:26,159 INFO L130 PetriNetUnfolder]: For 13275/13474 co-relation queries the response was YES. [2021-03-25 22:06:26,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6680 conditions, 749 events. 362/749 cut-off events. For 13275/13474 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4449 event pairs, 18 based on Foata normal form. 13/752 useless extension candidates. Maximal degree in co-relation 6592. Up to 377 conditions per place. [2021-03-25 22:06:26,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-25 22:06:26,194 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:26,194 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:26,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-03-25 22:06:26,197 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 348 transitions, 5522 flow [2021-03-25 22:06:26,198 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) [2021-03-25 22:06:26,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:26,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:26,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-25 22:06:26,198 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:26,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:26,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1075777817, now seen corresponding path program 3 times [2021-03-25 22:06:26,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:26,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500255125] [2021-03-25 22:06:26,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:26,220 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:26,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:26,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:26,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:26,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:26,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:26,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:26,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:26,306 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:26,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:26,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500255125] [2021-03-25 22:06:26,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:26,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:26,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649141540] [2021-03-25 22:06:26,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:26,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:26,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:26,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:26,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:26,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 348 transitions, 5522 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) [2021-03-25 22:06:26,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:26,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:26,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:26,813 INFO L129 PetriNetUnfolder]: 565/1023 cut-off events. [2021-03-25 22:06:26,813 INFO L130 PetriNetUnfolder]: For 18294/18325 co-relation queries the response was YES. [2021-03-25 22:06:26,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9583 conditions, 1023 events. 565/1023 cut-off events. For 18294/18325 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5500 event pairs, 105 based on Foata normal form. 13/1033 useless extension candidates. Maximal degree in co-relation 9493. Up to 925 conditions per place. [2021-03-25 22:06:26,826 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 299 selfloop transitions, 44 changer transitions 2/353 dead transitions. [2021-03-25 22:06:26,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 353 transitions, 6274 flow [2021-03-25 22:06:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:06:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:06:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 432 transitions. [2021-03-25 22:06:26,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28309305373525556 [2021-03-25 22:06:26,828 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 432 transitions. [2021-03-25 22:06:26,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 432 transitions. [2021-03-25 22:06:26,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:26,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 432 transitions. [2021-03-25 22:06:26,828 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) [2021-03-25 22:06:26,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:26,830 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:26,830 INFO L185 Difference]: Start difference. First operand has 238 places, 348 transitions, 5522 flow. Second operand 14 states and 432 transitions. [2021-03-25 22:06:26,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 353 transitions, 6274 flow [2021-03-25 22:06:26,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 353 transitions, 6010 flow, removed 7 selfloop flow, removed 12 redundant places. [2021-03-25 22:06:26,940 INFO L241 Difference]: Finished difference. Result has 241 places, 348 transitions, 5358 flow [2021-03-25 22:06:26,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5264, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5358, PETRI_PLACES=241, PETRI_TRANSITIONS=348} [2021-03-25 22:06:26,940 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 202 predicate places. [2021-03-25 22:06:26,940 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:26,941 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 348 transitions, 5358 flow [2021-03-25 22:06:26,941 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 348 transitions, 5358 flow [2021-03-25 22:06:26,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 348 transitions, 5358 flow [2021-03-25 22:06:27,032 INFO L129 PetriNetUnfolder]: 368/750 cut-off events. [2021-03-25 22:06:27,032 INFO L130 PetriNetUnfolder]: For 13608/13808 co-relation queries the response was YES. [2021-03-25 22:06:27,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6619 conditions, 750 events. 368/750 cut-off events. For 13608/13808 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4421 event pairs, 24 based on Foata normal form. 15/749 useless extension candidates. Maximal degree in co-relation 6532. Up to 382 conditions per place. [2021-03-25 22:06:27,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 22:06:27,066 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:27,066 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:27,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-25 22:06:27,067 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 348 transitions, 5358 flow [2021-03-25 22:06:27,067 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) [2021-03-25 22:06:27,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:27,067 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:27,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-25 22:06:27,067 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:27,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:27,067 INFO L82 PathProgramCache]: Analyzing trace with hash -731253423, now seen corresponding path program 2 times [2021-03-25 22:06:27,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:27,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437333824] [2021-03-25 22:06:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:27,103 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:27,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:27,108 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:27,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:27,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:27,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:27,140 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:27,161 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:06:27,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:06:27,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:27,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:27,203 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:27,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:27,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437333824] [2021-03-25 22:06:27,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:27,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:27,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734878822] [2021-03-25 22:06:27,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:27,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:27,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:27,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:27,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:27,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 348 transitions, 5358 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) [2021-03-25 22:06:27,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:27,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:27,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:27,638 INFO L129 PetriNetUnfolder]: 564/1026 cut-off events. [2021-03-25 22:06:27,638 INFO L130 PetriNetUnfolder]: For 17751/17782 co-relation queries the response was YES. [2021-03-25 22:06:27,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9469 conditions, 1026 events. 564/1026 cut-off events. For 17751/17782 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5513 event pairs, 98 based on Foata normal form. 13/1036 useless extension candidates. Maximal degree in co-relation 9380. Up to 880 conditions per place. [2021-03-25 22:06:27,677 INFO L132 encePairwiseOnDemand]: 85/109 looper letters, 247 selfloop transitions, 92 changer transitions 9/356 dead transitions. [2021-03-25 22:06:27,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 356 transitions, 6185 flow [2021-03-25 22:06:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 373 transitions. [2021-03-25 22:06:27,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.311092577147623 [2021-03-25 22:06:27,678 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 373 transitions. [2021-03-25 22:06:27,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 373 transitions. [2021-03-25 22:06:27,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:27,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 373 transitions. [2021-03-25 22:06:27,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.90909090909091) internal successors, (373), 11 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:27,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:27,680 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:27,680 INFO L185 Difference]: Start difference. First operand has 239 places, 348 transitions, 5358 flow. Second operand 11 states and 373 transitions. [2021-03-25 22:06:27,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 356 transitions, 6185 flow [2021-03-25 22:06:27,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 356 transitions, 6075 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-25 22:06:27,764 INFO L241 Difference]: Finished difference. Result has 239 places, 341 transitions, 5350 flow [2021-03-25 22:06:27,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5248, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5350, PETRI_PLACES=239, PETRI_TRANSITIONS=341} [2021-03-25 22:06:27,764 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 200 predicate places. [2021-03-25 22:06:27,764 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:27,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 341 transitions, 5350 flow [2021-03-25 22:06:27,765 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 341 transitions, 5350 flow [2021-03-25 22:06:27,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 341 transitions, 5350 flow [2021-03-25 22:06:27,828 INFO L129 PetriNetUnfolder]: 361/742 cut-off events. [2021-03-25 22:06:27,828 INFO L130 PetriNetUnfolder]: For 13778/13965 co-relation queries the response was YES. [2021-03-25 22:06:27,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6613 conditions, 742 events. 361/742 cut-off events. For 13778/13965 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4405 event pairs, 24 based on Foata normal form. 13/746 useless extension candidates. Maximal degree in co-relation 6525. Up to 373 conditions per place. [2021-03-25 22:06:27,837 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 22:06:27,850 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:27,850 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:27,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-25 22:06:27,850 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 341 transitions, 5350 flow [2021-03-25 22:06:27,850 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) [2021-03-25 22:06:27,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:27,851 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:27,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-25 22:06:27,851 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:27,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:27,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1094211843, now seen corresponding path program 4 times [2021-03-25 22:06:27,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:27,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627884198] [2021-03-25 22:06:27,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:27,863 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:27,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:27,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:27,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:27,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:27,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:27,957 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:27,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:27,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627884198] [2021-03-25 22:06:27,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:27,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:27,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903054119] [2021-03-25 22:06:27,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:27,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:27,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:27,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:27,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:27,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 341 transitions, 5350 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) [2021-03-25 22:06:27,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:27,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:27,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:28,368 INFO L129 PetriNetUnfolder]: 561/1014 cut-off events. [2021-03-25 22:06:28,368 INFO L130 PetriNetUnfolder]: For 18170/18201 co-relation queries the response was YES. [2021-03-25 22:06:28,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9486 conditions, 1014 events. 561/1014 cut-off events. For 18170/18201 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5422 event pairs, 105 based on Foata normal form. 13/1024 useless extension candidates. Maximal degree in co-relation 9396. Up to 916 conditions per place. [2021-03-25 22:06:28,377 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 291 selfloop transitions, 43 changer transitions 4/346 dead transitions. [2021-03-25 22:06:28,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 346 transitions, 6075 flow [2021-03-25 22:06:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:06:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:06:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 431 transitions. [2021-03-25 22:06:28,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.282437745740498 [2021-03-25 22:06:28,378 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 431 transitions. [2021-03-25 22:06:28,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 431 transitions. [2021-03-25 22:06:28,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:28,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 431 transitions. [2021-03-25 22:06:28,379 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) [2021-03-25 22:06:28,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:28,380 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:28,380 INFO L185 Difference]: Start difference. First operand has 235 places, 341 transitions, 5350 flow. Second operand 14 states and 431 transitions. [2021-03-25 22:06:28,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 346 transitions, 6075 flow [2021-03-25 22:06:28,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 346 transitions, 5806 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:28,455 INFO L241 Difference]: Finished difference. Result has 240 places, 340 transitions, 5160 flow [2021-03-25 22:06:28,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5081, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5160, PETRI_PLACES=240, PETRI_TRANSITIONS=340} [2021-03-25 22:06:28,455 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 201 predicate places. [2021-03-25 22:06:28,455 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:28,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 340 transitions, 5160 flow [2021-03-25 22:06:28,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 340 transitions, 5160 flow [2021-03-25 22:06:28,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 340 transitions, 5160 flow [2021-03-25 22:06:28,522 INFO L129 PetriNetUnfolder]: 366/741 cut-off events. [2021-03-25 22:06:28,523 INFO L130 PetriNetUnfolder]: For 13954/14143 co-relation queries the response was YES. [2021-03-25 22:06:28,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6572 conditions, 741 events. 366/741 cut-off events. For 13954/14143 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4361 event pairs, 26 based on Foata normal form. 19/743 useless extension candidates. Maximal degree in co-relation 6484. Up to 379 conditions per place. [2021-03-25 22:06:28,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 22:06:28,544 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:28,545 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:28,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-25 22:06:28,545 INFO L480 AbstractCegarLoop]: Abstraction has has 237 places, 340 transitions, 5160 flow [2021-03-25 22:06:28,545 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) [2021-03-25 22:06:28,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:28,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:28,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-25 22:06:28,545 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:28,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:28,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1958818238, now seen corresponding path program 3 times [2021-03-25 22:06:28,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:28,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259301969] [2021-03-25 22:06:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:28,560 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:28,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:28,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:28,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:28,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:28,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:28,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:28,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:28,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:28,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:28,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:28,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:28,622 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:28,625 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:28,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:28,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259301969] [2021-03-25 22:06:28,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:28,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:28,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109081117] [2021-03-25 22:06:28,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:28,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:28,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:28,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:28,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:28,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 340 transitions, 5160 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) [2021-03-25 22:06:28,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:28,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:28,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:29,196 INFO L129 PetriNetUnfolder]: 579/1055 cut-off events. [2021-03-25 22:06:29,197 INFO L130 PetriNetUnfolder]: For 19772/19803 co-relation queries the response was YES. [2021-03-25 22:06:29,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9883 conditions, 1055 events. 579/1055 cut-off events. For 19772/19803 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5780 event pairs, 105 based on Foata normal form. 13/1065 useless extension candidates. Maximal degree in co-relation 9793. Up to 882 conditions per place. [2021-03-25 22:06:29,206 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 216 selfloop transitions, 152 changer transitions 2/378 dead transitions. [2021-03-25 22:06:29,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 378 transitions, 6619 flow [2021-03-25 22:06:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:06:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:06:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 528 transitions. [2021-03-25 22:06:29,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30275229357798167 [2021-03-25 22:06:29,207 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 528 transitions. [2021-03-25 22:06:29,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 528 transitions. [2021-03-25 22:06:29,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:29,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 528 transitions. [2021-03-25 22:06:29,208 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) [2021-03-25 22:06:29,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:29,209 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:29,210 INFO L185 Difference]: Start difference. First operand has 237 places, 340 transitions, 5160 flow. Second operand 16 states and 528 transitions. [2021-03-25 22:06:29,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 378 transitions, 6619 flow [2021-03-25 22:06:29,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 378 transitions, 6496 flow, removed 15 selfloop flow, removed 14 redundant places. [2021-03-25 22:06:29,289 INFO L241 Difference]: Finished difference. Result has 244 places, 369 transitions, 6056 flow [2021-03-25 22:06:29,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5061, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=6056, PETRI_PLACES=244, PETRI_TRANSITIONS=369} [2021-03-25 22:06:29,289 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 205 predicate places. [2021-03-25 22:06:29,289 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:29,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 369 transitions, 6056 flow [2021-03-25 22:06:29,290 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 369 transitions, 6056 flow [2021-03-25 22:06:29,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 369 transitions, 6056 flow [2021-03-25 22:06:29,358 INFO L129 PetriNetUnfolder]: 379/775 cut-off events. [2021-03-25 22:06:29,358 INFO L130 PetriNetUnfolder]: For 15922/16161 co-relation queries the response was YES. [2021-03-25 22:06:29,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7143 conditions, 775 events. 379/775 cut-off events. For 15922/16161 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4659 event pairs, 27 based on Foata normal form. 18/775 useless extension candidates. Maximal degree in co-relation 7032. Up to 402 conditions per place. [2021-03-25 22:06:29,368 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-25 22:06:29,384 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:29,384 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:29,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-03-25 22:06:29,385 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 369 transitions, 6056 flow [2021-03-25 22:06:29,385 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) [2021-03-25 22:06:29,385 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:29,385 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:29,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-25 22:06:29,385 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:29,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:29,385 INFO L82 PathProgramCache]: Analyzing trace with hash 2098270832, now seen corresponding path program 4 times [2021-03-25 22:06:29,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:29,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667906448] [2021-03-25 22:06:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:29,396 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:29,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:29,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:29,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:29,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:29,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:29,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:29,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:29,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:29,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:29,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:29,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667906448] [2021-03-25 22:06:29,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:29,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:29,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453650140] [2021-03-25 22:06:29,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:29,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:29,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:29,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:29,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:29,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 369 transitions, 6056 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) [2021-03-25 22:06:29,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:29,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:29,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:29,943 INFO L129 PetriNetUnfolder]: 586/1068 cut-off events. [2021-03-25 22:06:29,943 INFO L130 PetriNetUnfolder]: For 19679/19715 co-relation queries the response was YES. [2021-03-25 22:06:29,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10252 conditions, 1068 events. 586/1068 cut-off events. For 19679/19715 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5872 event pairs, 115 based on Foata normal form. 18/1083 useless extension candidates. Maximal degree in co-relation 10137. Up to 964 conditions per place. [2021-03-25 22:06:29,953 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 325 selfloop transitions, 50 changer transitions 2/385 dead transitions. [2021-03-25 22:06:29,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 385 transitions, 7116 flow [2021-03-25 22:06:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 411 transitions. [2021-03-25 22:06:29,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2900494001411433 [2021-03-25 22:06:29,954 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 411 transitions. [2021-03-25 22:06:29,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 411 transitions. [2021-03-25 22:06:29,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:29,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 411 transitions. [2021-03-25 22:06:29,955 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) [2021-03-25 22:06:29,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:29,956 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:29,956 INFO L185 Difference]: Start difference. First operand has 243 places, 369 transitions, 6056 flow. Second operand 13 states and 411 transitions. [2021-03-25 22:06:29,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 385 transitions, 7116 flow [2021-03-25 22:06:30,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 385 transitions, 6885 flow, removed 104 selfloop flow, removed 1 redundant places. [2021-03-25 22:06:30,052 INFO L241 Difference]: Finished difference. Result has 260 places, 379 transitions, 6203 flow [2021-03-25 22:06:30,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5825, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6203, PETRI_PLACES=260, PETRI_TRANSITIONS=379} [2021-03-25 22:06:30,053 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 221 predicate places. [2021-03-25 22:06:30,053 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:30,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 379 transitions, 6203 flow [2021-03-25 22:06:30,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 379 transitions, 6203 flow [2021-03-25 22:06:30,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 379 transitions, 6203 flow [2021-03-25 22:06:30,137 INFO L129 PetriNetUnfolder]: 385/791 cut-off events. [2021-03-25 22:06:30,138 INFO L130 PetriNetUnfolder]: For 16790/16997 co-relation queries the response was YES. [2021-03-25 22:06:30,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7363 conditions, 791 events. 385/791 cut-off events. For 16790/16997 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4799 event pairs, 26 based on Foata normal form. 17/784 useless extension candidates. Maximal degree in co-relation 7245. Up to 401 conditions per place. [2021-03-25 22:06:30,153 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-25 22:06:30,176 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:30,176 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:30,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-03-25 22:06:30,177 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 379 transitions, 6203 flow [2021-03-25 22:06:30,177 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) [2021-03-25 22:06:30,177 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:30,177 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:30,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-25 22:06:30,177 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:30,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:30,177 INFO L82 PathProgramCache]: Analyzing trace with hash -645721871, now seen corresponding path program 3 times [2021-03-25 22:06:30,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:30,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247757961] [2021-03-25 22:06:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:30,194 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:30,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:30,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:30,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:30,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:30,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:30,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:30,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:30,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:30,222 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:30,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:30,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:30,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:30,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:30,260 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:30,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:30,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:30,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:30,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247757961] [2021-03-25 22:06:30,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:30,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:30,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620276040] [2021-03-25 22:06:30,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:30,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:30,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:30,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:30,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:30,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 379 transitions, 6203 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) [2021-03-25 22:06:30,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:30,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:30,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:30,777 INFO L129 PetriNetUnfolder]: 588/1078 cut-off events. [2021-03-25 22:06:30,777 INFO L130 PetriNetUnfolder]: For 21610/21619 co-relation queries the response was YES. [2021-03-25 22:06:30,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10425 conditions, 1078 events. 588/1078 cut-off events. For 21610/21619 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5999 event pairs, 98 based on Foata normal form. 6/1082 useless extension candidates. Maximal degree in co-relation 10303. Up to 910 conditions per place. [2021-03-25 22:06:30,788 INFO L132 encePairwiseOnDemand]: 85/109 looper letters, 281 selfloop transitions, 106 changer transitions 2/397 dead transitions. [2021-03-25 22:06:30,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 397 transitions, 7325 flow [2021-03-25 22:06:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 382 transitions. [2021-03-25 22:06:30,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31859883236030023 [2021-03-25 22:06:30,789 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 382 transitions. [2021-03-25 22:06:30,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 382 transitions. [2021-03-25 22:06:30,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:30,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 382 transitions. [2021-03-25 22:06:30,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.72727272727273) internal successors, (382), 11 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) [2021-03-25 22:06:30,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:30,790 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:30,790 INFO L185 Difference]: Start difference. First operand has 259 places, 379 transitions, 6203 flow. Second operand 11 states and 382 transitions. [2021-03-25 22:06:30,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 397 transitions, 7325 flow [2021-03-25 22:06:30,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 397 transitions, 7158 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-03-25 22:06:30,912 INFO L241 Difference]: Finished difference. Result has 266 places, 384 transitions, 6429 flow [2021-03-25 22:06:30,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6036, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6429, PETRI_PLACES=266, PETRI_TRANSITIONS=384} [2021-03-25 22:06:30,913 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 227 predicate places. [2021-03-25 22:06:30,913 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:30,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 384 transitions, 6429 flow [2021-03-25 22:06:30,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 384 transitions, 6429 flow [2021-03-25 22:06:30,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 384 transitions, 6429 flow [2021-03-25 22:06:31,024 INFO L129 PetriNetUnfolder]: 389/793 cut-off events. [2021-03-25 22:06:31,024 INFO L130 PetriNetUnfolder]: For 17770/17979 co-relation queries the response was YES. [2021-03-25 22:06:31,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7609 conditions, 793 events. 389/793 cut-off events. For 17770/17979 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4746 event pairs, 35 based on Foata normal form. 16/782 useless extension candidates. Maximal degree in co-relation 7489. Up to 403 conditions per place. [2021-03-25 22:06:31,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-25 22:06:31,063 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:31,064 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:31,064 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-25 22:06:31,064 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 384 transitions, 6429 flow [2021-03-25 22:06:31,064 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) [2021-03-25 22:06:31,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:31,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:31,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-25 22:06:31,064 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:31,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:31,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1161889156, now seen corresponding path program 5 times [2021-03-25 22:06:31,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:31,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507612401] [2021-03-25 22:06:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:31,079 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:31,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:31,083 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:31,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:31,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:31,148 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:31,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:31,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:31,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:31,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507612401] [2021-03-25 22:06:31,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:31,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:31,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114735275] [2021-03-25 22:06:31,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:31,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:31,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:31,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:31,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:31,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 384 transitions, 6429 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) [2021-03-25 22:06:31,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:31,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:31,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:31,602 INFO L129 PetriNetUnfolder]: 596/1097 cut-off events. [2021-03-25 22:06:31,602 INFO L130 PetriNetUnfolder]: For 22326/22357 co-relation queries the response was YES. [2021-03-25 22:06:31,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10835 conditions, 1097 events. 596/1097 cut-off events. For 22326/22357 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6127 event pairs, 110 based on Foata normal form. 13/1107 useless extension candidates. Maximal degree in co-relation 10711. Up to 987 conditions per place. [2021-03-25 22:06:31,613 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 341 selfloop transitions, 51 changer transitions 2/402 dead transitions. [2021-03-25 22:06:31,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 402 transitions, 7546 flow [2021-03-25 22:06:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 384 transitions. [2021-03-25 22:06:31,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29357798165137616 [2021-03-25 22:06:31,615 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 384 transitions. [2021-03-25 22:06:31,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 384 transitions. [2021-03-25 22:06:31,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:31,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 384 transitions. [2021-03-25 22:06:31,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.0) internal successors, (384), 12 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) [2021-03-25 22:06:31,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:31,616 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:31,616 INFO L185 Difference]: Start difference. First operand has 265 places, 384 transitions, 6429 flow. Second operand 12 states and 384 transitions. [2021-03-25 22:06:31,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 402 transitions, 7546 flow [2021-03-25 22:06:31,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 402 transitions, 7259 flow, removed 56 selfloop flow, removed 7 redundant places. [2021-03-25 22:06:31,713 INFO L241 Difference]: Finished difference. Result has 274 places, 394 transitions, 6515 flow [2021-03-25 22:06:31,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6142, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6515, PETRI_PLACES=274, PETRI_TRANSITIONS=394} [2021-03-25 22:06:31,714 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 235 predicate places. [2021-03-25 22:06:31,714 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:31,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 394 transitions, 6515 flow [2021-03-25 22:06:31,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 394 transitions, 6515 flow [2021-03-25 22:06:31,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 394 transitions, 6515 flow [2021-03-25 22:06:31,812 INFO L129 PetriNetUnfolder]: 393/813 cut-off events. [2021-03-25 22:06:31,813 INFO L130 PetriNetUnfolder]: For 19116/19278 co-relation queries the response was YES. [2021-03-25 22:06:31,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7811 conditions, 813 events. 393/813 cut-off events. For 19116/19278 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 4956 event pairs, 34 based on Foata normal form. 16/806 useless extension candidates. Maximal degree in co-relation 7686. Up to 404 conditions per place. [2021-03-25 22:06:31,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 442 [2021-03-25 22:06:31,841 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:31,841 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:31,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-03-25 22:06:31,842 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 394 transitions, 6515 flow [2021-03-25 22:06:31,842 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) [2021-03-25 22:06:31,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:31,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:31,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-25 22:06:31,842 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:31,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:31,842 INFO L82 PathProgramCache]: Analyzing trace with hash 978337340, now seen corresponding path program 6 times [2021-03-25 22:06:31,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:31,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267160774] [2021-03-25 22:06:31,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:31,853 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:31,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:31,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:31,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:31,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:31,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:31,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:31,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:31,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267160774] [2021-03-25 22:06:31,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:31,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:31,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108453798] [2021-03-25 22:06:31,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:31,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:31,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:31,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:31,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:31,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 394 transitions, 6515 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) [2021-03-25 22:06:31,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:31,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:31,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:32,413 INFO L129 PetriNetUnfolder]: 605/1114 cut-off events. [2021-03-25 22:06:32,414 INFO L130 PetriNetUnfolder]: For 23537/23568 co-relation queries the response was YES. [2021-03-25 22:06:32,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11119 conditions, 1114 events. 605/1114 cut-off events. For 23537/23568 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6274 event pairs, 110 based on Foata normal form. 13/1124 useless extension candidates. Maximal degree in co-relation 10990. Up to 981 conditions per place. [2021-03-25 22:06:32,426 INFO L132 encePairwiseOnDemand]: 90/109 looper letters, 342 selfloop transitions, 71 changer transitions 2/423 dead transitions. [2021-03-25 22:06:32,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 423 transitions, 7899 flow [2021-03-25 22:06:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:06:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:06:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 479 transitions. [2021-03-25 22:06:32,427 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2929663608562691 [2021-03-25 22:06:32,427 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 479 transitions. [2021-03-25 22:06:32,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 479 transitions. [2021-03-25 22:06:32,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:32,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 479 transitions. [2021-03-25 22:06:32,427 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) [2021-03-25 22:06:32,429 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) [2021-03-25 22:06:32,429 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) [2021-03-25 22:06:32,429 INFO L185 Difference]: Start difference. First operand has 273 places, 394 transitions, 6515 flow. Second operand 15 states and 479 transitions. [2021-03-25 22:06:32,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 423 transitions, 7899 flow [2021-03-25 22:06:32,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 423 transitions, 7715 flow, removed 59 selfloop flow, removed 5 redundant places. [2021-03-25 22:06:32,557 INFO L241 Difference]: Finished difference. Result has 289 places, 415 transitions, 6983 flow [2021-03-25 22:06:32,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6331, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6983, PETRI_PLACES=289, PETRI_TRANSITIONS=415} [2021-03-25 22:06:32,558 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 250 predicate places. [2021-03-25 22:06:32,558 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:32,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 415 transitions, 6983 flow [2021-03-25 22:06:32,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 415 transitions, 6983 flow [2021-03-25 22:06:32,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 415 transitions, 6983 flow [2021-03-25 22:06:32,685 INFO L129 PetriNetUnfolder]: 403/833 cut-off events. [2021-03-25 22:06:32,685 INFO L130 PetriNetUnfolder]: For 21394/21603 co-relation queries the response was YES. [2021-03-25 22:06:32,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8200 conditions, 833 events. 403/833 cut-off events. For 21394/21603 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5094 event pairs, 28 based on Foata normal form. 18/824 useless extension candidates. Maximal degree in co-relation 8068. Up to 415 conditions per place. [2021-03-25 22:06:32,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 466 [2021-03-25 22:06:32,732 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:32,732 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:32,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174 [2021-03-25 22:06:32,734 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 415 transitions, 6983 flow [2021-03-25 22:06:32,734 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) [2021-03-25 22:06:32,734 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:32,734 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:32,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-25 22:06:32,734 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:32,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:32,735 INFO L82 PathProgramCache]: Analyzing trace with hash -609331237, now seen corresponding path program 1 times [2021-03-25 22:06:32,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:32,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027123689] [2021-03-25 22:06:32,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:32,756 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:32,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:32,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:32,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:32,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:32,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:32,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:32,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:32,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:32,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:32,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027123689] [2021-03-25 22:06:32,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:32,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:32,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153614321] [2021-03-25 22:06:32,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:32,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:32,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:32,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:32,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-25 22:06:32,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 415 transitions, 6983 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) [2021-03-25 22:06:32,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:32,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-25 22:06:32,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:33,338 INFO L129 PetriNetUnfolder]: 610/1138 cut-off events. [2021-03-25 22:06:33,338 INFO L130 PetriNetUnfolder]: For 27289/27333 co-relation queries the response was YES. [2021-03-25 22:06:33,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11562 conditions, 1138 events. 610/1138 cut-off events. For 27289/27333 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6492 event pairs, 107 based on Foata normal form. 23/1158 useless extension candidates. Maximal degree in co-relation 11426. Up to 905 conditions per place. [2021-03-25 22:06:33,351 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 253 selfloop transitions, 168 changer transitions 2/431 dead transitions. [2021-03-25 22:06:33,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 431 transitions, 8183 flow [2021-03-25 22:06:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 420 transitions. [2021-03-25 22:06:33,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3211009174311927 [2021-03-25 22:06:33,352 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 420 transitions. [2021-03-25 22:06:33,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 420 transitions. [2021-03-25 22:06:33,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:33,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 420 transitions. [2021-03-25 22:06:33,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 35.0) internal successors, (420), 12 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) [2021-03-25 22:06:33,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:33,354 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:33,354 INFO L185 Difference]: Start difference. First operand has 288 places, 415 transitions, 6983 flow. Second operand 12 states and 420 transitions. [2021-03-25 22:06:33,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 431 transitions, 8183 flow [2021-03-25 22:06:33,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 431 transitions, 7893 flow, removed 129 selfloop flow, removed 4 redundant places. [2021-03-25 22:06:33,487 INFO L241 Difference]: Finished difference. Result has 298 places, 423 transitions, 7303 flow [2021-03-25 22:06:33,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6693, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7303, PETRI_PLACES=298, PETRI_TRANSITIONS=423} [2021-03-25 22:06:33,487 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 259 predicate places. [2021-03-25 22:06:33,487 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:33,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 423 transitions, 7303 flow [2021-03-25 22:06:33,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 423 transitions, 7303 flow [2021-03-25 22:06:33,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 423 transitions, 7303 flow [2021-03-25 22:06:33,595 INFO L129 PetriNetUnfolder]: 404/852 cut-off events. [2021-03-25 22:06:33,595 INFO L130 PetriNetUnfolder]: For 22468/22631 co-relation queries the response was YES. [2021-03-25 22:06:33,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8578 conditions, 852 events. 404/852 cut-off events. For 22468/22631 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5332 event pairs, 25 based on Foata normal form. 17/843 useless extension candidates. Maximal degree in co-relation 8442. Up to 417 conditions per place. [2021-03-25 22:06:33,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-25 22:06:33,666 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:06:33,666 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:06:33,666 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-03-25 22:06:33,666 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 423 transitions, 7316 flow [2021-03-25 22:06:33,667 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) [2021-03-25 22:06:33,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:33,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:33,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-25 22:06:33,667 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:33,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:33,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1492061527, now seen corresponding path program 1 times [2021-03-25 22:06:33,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:33,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551775213] [2021-03-25 22:06:33,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:33,684 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:33,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:33,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:33,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:33,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:33,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:33,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:33,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:33,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:33,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:06:33,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:33,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:33,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551775213] [2021-03-25 22:06:33,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:33,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:33,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994763785] [2021-03-25 22:06:33,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:33,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:33,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:33,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:33,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-25 22:06:33,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 423 transitions, 7316 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) [2021-03-25 22:06:33,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:33,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-25 22:06:33,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:34,307 INFO L129 PetriNetUnfolder]: 619/1163 cut-off events. [2021-03-25 22:06:34,307 INFO L130 PetriNetUnfolder]: For 28222/28253 co-relation queries the response was YES. [2021-03-25 22:06:34,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12168 conditions, 1163 events. 619/1163 cut-off events. For 28222/28253 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6736 event pairs, 109 based on Foata normal form. 13/1173 useless extension candidates. Maximal degree in co-relation 12027. Up to 984 conditions per place. [2021-03-25 22:06:34,321 INFO L132 encePairwiseOnDemand]: 84/110 looper letters, 324 selfloop transitions, 120 changer transitions 3/455 dead transitions. [2021-03-25 22:06:34,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 455 transitions, 8922 flow [2021-03-25 22:06:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:06:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:06:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 465 transitions. [2021-03-25 22:06:34,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30194805194805197 [2021-03-25 22:06:34,323 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 465 transitions. [2021-03-25 22:06:34,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 465 transitions. [2021-03-25 22:06:34,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:34,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 465 transitions. [2021-03-25 22:06:34,324 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) [2021-03-25 22:06:34,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 110.0) internal successors, (1650), 15 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:34,325 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 110.0) internal successors, (1650), 15 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:34,325 INFO L185 Difference]: Start difference. First operand has 298 places, 423 transitions, 7316 flow. Second operand 14 states and 465 transitions. [2021-03-25 22:06:34,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 455 transitions, 8922 flow [2021-03-25 22:06:34,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 455 transitions, 8520 flow, removed 98 selfloop flow, removed 7 redundant places. [2021-03-25 22:06:34,474 INFO L241 Difference]: Finished difference. Result has 308 places, 440 transitions, 7697 flow [2021-03-25 22:06:34,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=6922, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7697, PETRI_PLACES=308, PETRI_TRANSITIONS=440} [2021-03-25 22:06:34,474 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 269 predicate places. [2021-03-25 22:06:34,474 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:34,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 440 transitions, 7697 flow [2021-03-25 22:06:34,474 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 440 transitions, 7697 flow [2021-03-25 22:06:34,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 440 transitions, 7697 flow [2021-03-25 22:06:34,571 INFO L129 PetriNetUnfolder]: 414/880 cut-off events. [2021-03-25 22:06:34,571 INFO L130 PetriNetUnfolder]: For 22927/23064 co-relation queries the response was YES. [2021-03-25 22:06:34,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8924 conditions, 880 events. 414/880 cut-off events. For 22927/23064 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5569 event pairs, 35 based on Foata normal form. 17/878 useless extension candidates. Maximal degree in co-relation 8784. Up to 420 conditions per place. [2021-03-25 22:06:34,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-25 22:06:34,605 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:34,605 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:34,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-25 22:06:34,606 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 440 transitions, 7697 flow [2021-03-25 22:06:34,606 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) [2021-03-25 22:06:34,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:34,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:34,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-25 22:06:34,606 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:34,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:34,606 INFO L82 PathProgramCache]: Analyzing trace with hash 208395491, now seen corresponding path program 4 times [2021-03-25 22:06:34,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:34,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455853203] [2021-03-25 22:06:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:34,621 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:34,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:34,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:34,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:34,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:34,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:34,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:34,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:34,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:34,646 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:34,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:34,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:34,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:34,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:34,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:34,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:34,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:34,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:34,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:34,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455853203] [2021-03-25 22:06:34,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:34,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:34,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948537336] [2021-03-25 22:06:34,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:34,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:34,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:34,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:34,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-25 22:06:34,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 440 transitions, 7697 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) [2021-03-25 22:06:34,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:34,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-25 22:06:34,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:35,172 INFO L129 PetriNetUnfolder]: 617/1163 cut-off events. [2021-03-25 22:06:35,172 INFO L130 PetriNetUnfolder]: For 28906/28920 co-relation queries the response was YES. [2021-03-25 22:06:35,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12213 conditions, 1163 events. 617/1163 cut-off events. For 28906/28920 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6772 event pairs, 91 based on Foata normal form. 11/1171 useless extension candidates. Maximal degree in co-relation 12068. Up to 1003 conditions per place. [2021-03-25 22:06:35,185 INFO L132 encePairwiseOnDemand]: 86/110 looper letters, 342 selfloop transitions, 96 changer transitions 2/448 dead transitions. [2021-03-25 22:06:35,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 448 transitions, 8715 flow [2021-03-25 22:06:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:06:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:06:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 346 transitions. [2021-03-25 22:06:35,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3145454545454546 [2021-03-25 22:06:35,186 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 346 transitions. [2021-03-25 22:06:35,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 346 transitions. [2021-03-25 22:06:35,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:35,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 346 transitions. [2021-03-25 22:06:35,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.6) internal successors, (346), 10 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) [2021-03-25 22:06:35,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 110.0) internal successors, (1210), 11 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:35,188 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 110.0) internal successors, (1210), 11 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:35,188 INFO L185 Difference]: Start difference. First operand has 307 places, 440 transitions, 7697 flow. Second operand 10 states and 346 transitions. [2021-03-25 22:06:35,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 448 transitions, 8715 flow [2021-03-25 22:06:35,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 448 transitions, 8365 flow, removed 116 selfloop flow, removed 7 redundant places. [2021-03-25 22:06:35,338 INFO L241 Difference]: Finished difference. Result has 311 places, 440 transitions, 7563 flow [2021-03-25 22:06:35,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=7347, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7563, PETRI_PLACES=311, PETRI_TRANSITIONS=440} [2021-03-25 22:06:35,339 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 272 predicate places. [2021-03-25 22:06:35,339 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:35,339 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 440 transitions, 7563 flow [2021-03-25 22:06:35,339 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 440 transitions, 7563 flow [2021-03-25 22:06:35,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 440 transitions, 7563 flow [2021-03-25 22:06:35,464 INFO L129 PetriNetUnfolder]: 415/878 cut-off events. [2021-03-25 22:06:35,464 INFO L130 PetriNetUnfolder]: For 23685/23827 co-relation queries the response was YES. [2021-03-25 22:06:35,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8970 conditions, 878 events. 415/878 cut-off events. For 23685/23827 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5576 event pairs, 39 based on Foata normal form. 19/871 useless extension candidates. Maximal degree in co-relation 8848. Up to 403 conditions per place. [2021-03-25 22:06:35,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-25 22:06:35,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:35,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:35,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-03-25 22:06:35,499 INFO L480 AbstractCegarLoop]: Abstraction has has 310 places, 440 transitions, 7563 flow [2021-03-25 22:06:35,499 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) [2021-03-25 22:06:35,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:35,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:35,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-25 22:06:35,499 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:35,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1114120167, now seen corresponding path program 5 times [2021-03-25 22:06:35,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:35,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139496031] [2021-03-25 22:06:35,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:35,510 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:35,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:35,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:35,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:35,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:35,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:35,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:35,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:35,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:35,594 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:35,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139496031] [2021-03-25 22:06:35,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:35,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:35,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199480695] [2021-03-25 22:06:35,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:35,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:35,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:35,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:35,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-25 22:06:35,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 440 transitions, 7563 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) [2021-03-25 22:06:35,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:35,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-25 22:06:35,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:36,084 INFO L129 PetriNetUnfolder]: 616/1161 cut-off events. [2021-03-25 22:06:36,084 INFO L130 PetriNetUnfolder]: For 29510/29541 co-relation queries the response was YES. [2021-03-25 22:06:36,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12233 conditions, 1161 events. 616/1161 cut-off events. For 29510/29541 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6741 event pairs, 94 based on Foata normal form. 13/1171 useless extension candidates. Maximal degree in co-relation 12109. Up to 1048 conditions per place. [2021-03-25 22:06:36,104 INFO L132 encePairwiseOnDemand]: 93/110 looper letters, 390 selfloop transitions, 40 changer transitions 3/441 dead transitions. [2021-03-25 22:06:36,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 441 transitions, 8433 flow [2021-03-25 22:06:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 377 transitions. [2021-03-25 22:06:36,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2856060606060606 [2021-03-25 22:06:36,105 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 377 transitions. [2021-03-25 22:06:36,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 377 transitions. [2021-03-25 22:06:36,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:36,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 377 transitions. [2021-03-25 22:06:36,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 12 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:36,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:36,107 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:36,107 INFO L185 Difference]: Start difference. First operand has 310 places, 440 transitions, 7563 flow. Second operand 12 states and 377 transitions. [2021-03-25 22:06:36,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 441 transitions, 8433 flow [2021-03-25 22:06:36,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 441 transitions, 8218 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:36,269 INFO L241 Difference]: Finished difference. Result has 312 places, 437 transitions, 7402 flow [2021-03-25 22:06:36,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=7348, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7402, PETRI_PLACES=312, PETRI_TRANSITIONS=437} [2021-03-25 22:06:36,270 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 273 predicate places. [2021-03-25 22:06:36,270 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:36,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 437 transitions, 7402 flow [2021-03-25 22:06:36,270 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 437 transitions, 7402 flow [2021-03-25 22:06:36,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 437 transitions, 7402 flow [2021-03-25 22:06:36,366 INFO L129 PetriNetUnfolder]: 411/872 cut-off events. [2021-03-25 22:06:36,366 INFO L130 PetriNetUnfolder]: For 23455/23631 co-relation queries the response was YES. [2021-03-25 22:06:36,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8785 conditions, 872 events. 411/872 cut-off events. For 23455/23631 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5580 event pairs, 30 based on Foata normal form. 26/870 useless extension candidates. Maximal degree in co-relation 8664. Up to 402 conditions per place. [2021-03-25 22:06:36,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-25 22:06:36,455 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:36,455 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:06:36,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-25 22:06:36,455 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 436 transitions, 7396 flow [2021-03-25 22:06:36,455 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) [2021-03-25 22:06:36,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:36,456 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:36,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-25 22:06:36,456 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:36,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:36,456 INFO L82 PathProgramCache]: Analyzing trace with hash 896299307, now seen corresponding path program 6 times [2021-03-25 22:06:36,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:36,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305942960] [2021-03-25 22:06:36,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:36,475 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:36,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:36,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:36,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:36,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:36,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:36,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:36,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:36,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:36,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:36,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:36,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305942960] [2021-03-25 22:06:36,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:36,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:36,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249882789] [2021-03-25 22:06:36,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:36,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:36,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:36,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:36,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:36,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 436 transitions, 7396 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) [2021-03-25 22:06:36,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:36,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:36,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:37,010 INFO L129 PetriNetUnfolder]: 615/1152 cut-off events. [2021-03-25 22:06:37,010 INFO L130 PetriNetUnfolder]: For 27380/27411 co-relation queries the response was YES. [2021-03-25 22:06:37,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12004 conditions, 1152 events. 615/1152 cut-off events. For 27380/27411 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6649 event pairs, 115 based on Foata normal form. 13/1162 useless extension candidates. Maximal degree in co-relation 11881. Up to 1046 conditions per place. [2021-03-25 22:06:37,023 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 389 selfloop transitions, 34 changer transitions 6/437 dead transitions. [2021-03-25 22:06:37,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 437 transitions, 8258 flow [2021-03-25 22:06:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 348 transitions. [2021-03-25 22:06:37,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28501228501228504 [2021-03-25 22:06:37,024 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 348 transitions. [2021-03-25 22:06:37,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 348 transitions. [2021-03-25 22:06:37,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:37,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 348 transitions. [2021-03-25 22:06:37,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.636363636363637) internal successors, (348), 11 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:37,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:37,026 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:37,026 INFO L185 Difference]: Start difference. First operand has 306 places, 436 transitions, 7396 flow. Second operand 11 states and 348 transitions. [2021-03-25 22:06:37,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 437 transitions, 8258 flow [2021-03-25 22:06:37,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 437 transitions, 8116 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-25 22:06:37,180 INFO L241 Difference]: Finished difference. Result has 305 places, 430 transitions, 7245 flow [2021-03-25 22:06:37,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7254, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7245, PETRI_PLACES=305, PETRI_TRANSITIONS=430} [2021-03-25 22:06:37,180 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 266 predicate places. [2021-03-25 22:06:37,180 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:37,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 430 transitions, 7245 flow [2021-03-25 22:06:37,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 430 transitions, 7245 flow [2021-03-25 22:06:37,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 430 transitions, 7245 flow [2021-03-25 22:06:37,275 INFO L129 PetriNetUnfolder]: 418/873 cut-off events. [2021-03-25 22:06:37,275 INFO L130 PetriNetUnfolder]: For 21591/21768 co-relation queries the response was YES. [2021-03-25 22:06:37,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8656 conditions, 873 events. 418/873 cut-off events. For 21591/21768 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5454 event pairs, 27 based on Foata normal form. 18/864 useless extension candidates. Maximal degree in co-relation 8538. Up to 408 conditions per place. [2021-03-25 22:06:37,288 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-25 22:06:37,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:37,309 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:37,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-03-25 22:06:37,309 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 430 transitions, 7245 flow [2021-03-25 22:06:37,309 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) [2021-03-25 22:06:37,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:37,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:37,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-25 22:06:37,310 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:37,310 INFO L82 PathProgramCache]: Analyzing trace with hash 510312562, now seen corresponding path program 7 times [2021-03-25 22:06:37,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:37,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614388554] [2021-03-25 22:06:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:37,332 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:37,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:37,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:37,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:37,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:37,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:37,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:37,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:37,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:37,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:37,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:37,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614388554] [2021-03-25 22:06:37,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:37,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:37,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393884664] [2021-03-25 22:06:37,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:37,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:37,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:37,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:37,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:37,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 430 transitions, 7245 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) [2021-03-25 22:06:37,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:37,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:37,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:38,013 INFO L129 PetriNetUnfolder]: 616/1156 cut-off events. [2021-03-25 22:06:38,013 INFO L130 PetriNetUnfolder]: For 25974/26005 co-relation queries the response was YES. [2021-03-25 22:06:38,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11798 conditions, 1156 events. 616/1156 cut-off events. For 25974/26005 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6721 event pairs, 87 based on Foata normal form. 16/1170 useless extension candidates. Maximal degree in co-relation 11678. Up to 881 conditions per place. [2021-03-25 22:06:38,027 INFO L132 encePairwiseOnDemand]: 82/111 looper letters, 245 selfloop transitions, 189 changer transitions 2/444 dead transitions. [2021-03-25 22:06:38,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 444 transitions, 8351 flow [2021-03-25 22:06:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 453 transitions. [2021-03-25 22:06:38,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31392931392931395 [2021-03-25 22:06:38,028 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 453 transitions. [2021-03-25 22:06:38,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 453 transitions. [2021-03-25 22:06:38,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:38,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 453 transitions. [2021-03-25 22:06:38,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.84615384615385) internal successors, (453), 13 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) [2021-03-25 22:06:38,030 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) [2021-03-25 22:06:38,030 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) [2021-03-25 22:06:38,030 INFO L185 Difference]: Start difference. First operand has 294 places, 430 transitions, 7245 flow. Second operand 13 states and 453 transitions. [2021-03-25 22:06:38,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 444 transitions, 8351 flow [2021-03-25 22:06:38,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 444 transitions, 8161 flow, removed 18 selfloop flow, removed 11 redundant places. [2021-03-25 22:06:38,196 INFO L241 Difference]: Finished difference. Result has 298 places, 433 transitions, 7581 flow [2021-03-25 22:06:38,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7063, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7581, PETRI_PLACES=298, PETRI_TRANSITIONS=433} [2021-03-25 22:06:38,196 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 259 predicate places. [2021-03-25 22:06:38,196 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:38,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 433 transitions, 7581 flow [2021-03-25 22:06:38,196 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 433 transitions, 7581 flow [2021-03-25 22:06:38,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 433 transitions, 7581 flow [2021-03-25 22:06:38,289 INFO L129 PetriNetUnfolder]: 416/873 cut-off events. [2021-03-25 22:06:38,289 INFO L130 PetriNetUnfolder]: For 21428/21578 co-relation queries the response was YES. [2021-03-25 22:06:38,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8767 conditions, 873 events. 416/873 cut-off events. For 21428/21578 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5523 event pairs, 33 based on Foata normal form. 15/861 useless extension candidates. Maximal degree in co-relation 8628. Up to 411 conditions per place. [2021-03-25 22:06:38,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 500 [2021-03-25 22:06:38,322 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:38,322 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:38,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-25 22:06:38,322 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 433 transitions, 7581 flow [2021-03-25 22:06:38,322 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) [2021-03-25 22:06:38,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:38,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:38,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-25 22:06:38,322 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:38,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:38,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1921371250, now seen corresponding path program 8 times [2021-03-25 22:06:38,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:38,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145480272] [2021-03-25 22:06:38,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:38,335 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:38,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:38,339 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:38,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:38,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:38,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:38,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:38,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:38,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:38,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:38,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:38,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:38,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145480272] [2021-03-25 22:06:38,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:38,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:38,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075738716] [2021-03-25 22:06:38,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:38,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:38,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:38,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:38,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:38,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 433 transitions, 7581 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) [2021-03-25 22:06:38,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:38,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:38,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:39,080 INFO L129 PetriNetUnfolder]: 615/1156 cut-off events. [2021-03-25 22:06:39,081 INFO L130 PetriNetUnfolder]: For 25701/25732 co-relation queries the response was YES. [2021-03-25 22:06:39,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11881 conditions, 1156 events. 615/1156 cut-off events. For 25701/25732 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6695 event pairs, 103 based on Foata normal form. 13/1166 useless extension candidates. Maximal degree in co-relation 11743. Up to 919 conditions per place. [2021-03-25 22:06:39,093 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 250 selfloop transitions, 181 changer transitions 5/444 dead transitions. [2021-03-25 22:06:39,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 444 transitions, 8626 flow [2021-03-25 22:06:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 22:06:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 22:06:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 675 transitions. [2021-03-25 22:06:39,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28957528957528955 [2021-03-25 22:06:39,094 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 675 transitions. [2021-03-25 22:06:39,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 675 transitions. [2021-03-25 22:06:39,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:39,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 675 transitions. [2021-03-25 22:06:39,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.142857142857146) internal successors, (675), 21 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:39,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:39,096 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:39,096 INFO L185 Difference]: Start difference. First operand has 298 places, 433 transitions, 7581 flow. Second operand 21 states and 675 transitions. [2021-03-25 22:06:39,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 444 transitions, 8626 flow [2021-03-25 22:06:39,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 444 transitions, 8320 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-25 22:06:39,219 INFO L241 Difference]: Finished difference. Result has 309 places, 429 transitions, 7594 flow [2021-03-25 22:06:39,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7287, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=7594, PETRI_PLACES=309, PETRI_TRANSITIONS=429} [2021-03-25 22:06:39,219 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 270 predicate places. [2021-03-25 22:06:39,219 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:39,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 429 transitions, 7594 flow [2021-03-25 22:06:39,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 429 transitions, 7594 flow [2021-03-25 22:06:39,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 429 transitions, 7594 flow [2021-03-25 22:06:39,309 INFO L129 PetriNetUnfolder]: 415/867 cut-off events. [2021-03-25 22:06:39,310 INFO L130 PetriNetUnfolder]: For 20017/20173 co-relation queries the response was YES. [2021-03-25 22:06:39,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8811 conditions, 867 events. 415/867 cut-off events. For 20017/20173 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5426 event pairs, 29 based on Foata normal form. 18/852 useless extension candidates. Maximal degree in co-relation 8696. Up to 408 conditions per place. [2021-03-25 22:06:39,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 496 [2021-03-25 22:06:39,341 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:39,341 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:39,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-25 22:06:39,341 INFO L480 AbstractCegarLoop]: Abstraction has has 303 places, 429 transitions, 7594 flow [2021-03-25 22:06:39,341 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) [2021-03-25 22:06:39,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:39,342 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:39,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-25 22:06:39,342 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:39,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:39,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1718768969, now seen corresponding path program 2 times [2021-03-25 22:06:39,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:39,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791546883] [2021-03-25 22:06:39,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:39,353 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:39,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:39,357 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:39,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:39,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:39,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:39,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:39,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:39,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:39,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:39,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:39,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:39,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:39,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791546883] [2021-03-25 22:06:39,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:39,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:39,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311931166] [2021-03-25 22:06:39,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:39,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:39,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:39,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:39,439 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:39,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 429 transitions, 7594 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) [2021-03-25 22:06:39,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:39,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:39,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:40,194 INFO L129 PetriNetUnfolder]: 623/1179 cut-off events. [2021-03-25 22:06:40,194 INFO L130 PetriNetUnfolder]: For 26429/26460 co-relation queries the response was YES. [2021-03-25 22:06:40,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12263 conditions, 1179 events. 623/1179 cut-off events. For 26429/26460 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 6904 event pairs, 113 based on Foata normal form. 14/1190 useless extension candidates. Maximal degree in co-relation 12146. Up to 954 conditions per place. [2021-03-25 22:06:40,208 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 265 selfloop transitions, 176 changer transitions 3/452 dead transitions. [2021-03-25 22:06:40,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 452 transitions, 9056 flow [2021-03-25 22:06:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 22:06:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 22:06:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 673 transitions. [2021-03-25 22:06:40,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28871728871728874 [2021-03-25 22:06:40,210 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 673 transitions. [2021-03-25 22:06:40,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 673 transitions. [2021-03-25 22:06:40,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:40,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 673 transitions. [2021-03-25 22:06:40,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.04761904761905) internal successors, (673), 21 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:40,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:40,212 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:40,212 INFO L185 Difference]: Start difference. First operand has 303 places, 429 transitions, 7594 flow. Second operand 21 states and 673 transitions. [2021-03-25 22:06:40,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 452 transitions, 9056 flow [2021-03-25 22:06:40,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 452 transitions, 8708 flow, removed 3 selfloop flow, removed 18 redundant places. [2021-03-25 22:06:40,349 INFO L241 Difference]: Finished difference. Result has 309 places, 439 transitions, 7989 flow [2021-03-25 22:06:40,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7246, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=7989, PETRI_PLACES=309, PETRI_TRANSITIONS=439} [2021-03-25 22:06:40,350 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 270 predicate places. [2021-03-25 22:06:40,350 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:40,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 439 transitions, 7989 flow [2021-03-25 22:06:40,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 439 transitions, 7989 flow [2021-03-25 22:06:40,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 439 transitions, 7989 flow [2021-03-25 22:06:40,452 INFO L129 PetriNetUnfolder]: 415/886 cut-off events. [2021-03-25 22:06:40,452 INFO L130 PetriNetUnfolder]: For 24954/25211 co-relation queries the response was YES. [2021-03-25 22:06:40,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9190 conditions, 886 events. 415/886 cut-off events. For 24954/25211 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 5644 event pairs, 27 based on Foata normal form. 23/880 useless extension candidates. Maximal degree in co-relation 9053. Up to 420 conditions per place. [2021-03-25 22:06:40,466 INFO L142 LiptonReduction]: Number of co-enabled transitions 508 [2021-03-25 22:06:40,487 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:40,487 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:40,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-25 22:06:40,487 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 439 transitions, 7989 flow [2021-03-25 22:06:40,488 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) [2021-03-25 22:06:40,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:40,488 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:40,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-25 22:06:40,488 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:40,488 INFO L82 PathProgramCache]: Analyzing trace with hash -987657467, now seen corresponding path program 3 times [2021-03-25 22:06:40,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:40,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871527453] [2021-03-25 22:06:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:40,515 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:40,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:40,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:40,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:40,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:40,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:40,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:40,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:40,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:40,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:40,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:40,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:40,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871527453] [2021-03-25 22:06:40,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:40,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:40,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100678490] [2021-03-25 22:06:40,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:40,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:40,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:40,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:40,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:40,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 439 transitions, 7989 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) [2021-03-25 22:06:40,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:40,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:40,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:41,491 INFO L129 PetriNetUnfolder]: 631/1204 cut-off events. [2021-03-25 22:06:41,491 INFO L130 PetriNetUnfolder]: For 30060/30074 co-relation queries the response was YES. [2021-03-25 22:06:41,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12777 conditions, 1204 events. 631/1204 cut-off events. For 30060/30074 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7125 event pairs, 112 based on Foata normal form. 12/1213 useless extension candidates. Maximal degree in co-relation 12637. Up to 929 conditions per place. [2021-03-25 22:06:41,502 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 263 selfloop transitions, 198 changer transitions 3/472 dead transitions. [2021-03-25 22:06:41,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 472 transitions, 9720 flow [2021-03-25 22:06:41,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 22:06:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 22:06:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 717 transitions. [2021-03-25 22:06:41,503 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2936117936117936 [2021-03-25 22:06:41,503 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 717 transitions. [2021-03-25 22:06:41,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 717 transitions. [2021-03-25 22:06:41,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:41,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 717 transitions. [2021-03-25 22:06:41,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.59090909090909) internal successors, (717), 22 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:41,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 111.0) internal successors, (2553), 23 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:41,506 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 111.0) internal successors, (2553), 23 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:41,506 INFO L185 Difference]: Start difference. First operand has 309 places, 439 transitions, 7989 flow. Second operand 22 states and 717 transitions. [2021-03-25 22:06:41,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 472 transitions, 9720 flow [2021-03-25 22:06:41,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 472 transitions, 9099 flow, removed 167 selfloop flow, removed 15 redundant places. [2021-03-25 22:06:41,657 INFO L241 Difference]: Finished difference. Result has 319 places, 456 transitions, 8347 flow [2021-03-25 22:06:41,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7368, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=8347, PETRI_PLACES=319, PETRI_TRANSITIONS=456} [2021-03-25 22:06:41,657 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 280 predicate places. [2021-03-25 22:06:41,657 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:41,657 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 456 transitions, 8347 flow [2021-03-25 22:06:41,657 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 456 transitions, 8347 flow [2021-03-25 22:06:41,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 456 transitions, 8347 flow [2021-03-25 22:06:41,756 INFO L129 PetriNetUnfolder]: 419/904 cut-off events. [2021-03-25 22:06:41,756 INFO L130 PetriNetUnfolder]: For 26628/26800 co-relation queries the response was YES. [2021-03-25 22:06:41,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9549 conditions, 904 events. 419/904 cut-off events. For 26628/26800 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 5880 event pairs, 30 based on Foata normal form. 21/891 useless extension candidates. Maximal degree in co-relation 9407. Up to 402 conditions per place. [2021-03-25 22:06:41,769 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-25 22:06:41,798 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:41,799 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:41,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-25 22:06:41,799 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 456 transitions, 8347 flow [2021-03-25 22:06:41,799 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) [2021-03-25 22:06:41,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:41,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:41,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-25 22:06:41,799 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 507629820, now seen corresponding path program 1 times [2021-03-25 22:06:41,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:41,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188376284] [2021-03-25 22:06:41,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:41,810 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:41,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:41,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:41,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:41,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:41,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:41,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:41,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:41,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:41,852 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:41,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:41,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:41,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:41,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:41,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:41,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:41,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:41,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188376284] [2021-03-25 22:06:41,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:41,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:41,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468922682] [2021-03-25 22:06:41,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:41,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:41,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:41,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:41,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:41,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 456 transitions, 8347 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) [2021-03-25 22:06:41,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:41,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:41,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:42,458 INFO L129 PetriNetUnfolder]: 636/1215 cut-off events. [2021-03-25 22:06:42,459 INFO L130 PetriNetUnfolder]: For 30434/30465 co-relation queries the response was YES. [2021-03-25 22:06:42,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12933 conditions, 1215 events. 636/1215 cut-off events. For 30434/30465 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7192 event pairs, 120 based on Foata normal form. 13/1225 useless extension candidates. Maximal degree in co-relation 12789. Up to 1060 conditions per place. [2021-03-25 22:06:42,473 INFO L132 encePairwiseOnDemand]: 88/111 looper letters, 365 selfloop transitions, 95 changer transitions 2/470 dead transitions. [2021-03-25 22:06:42,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 470 transitions, 9478 flow [2021-03-25 22:06:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:06:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:06:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-25 22:06:42,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2947232947232947 [2021-03-25 22:06:42,480 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-25 22:06:42,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-25 22:06:42,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:42,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-25 22:06:42,481 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) [2021-03-25 22:06:42,482 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) [2021-03-25 22:06:42,482 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) [2021-03-25 22:06:42,482 INFO L185 Difference]: Start difference. First operand has 319 places, 456 transitions, 8347 flow. Second operand 14 states and 458 transitions. [2021-03-25 22:06:42,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 470 transitions, 9478 flow [2021-03-25 22:06:42,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 470 transitions, 8818 flow, removed 188 selfloop flow, removed 14 redundant places. [2021-03-25 22:06:42,647 INFO L241 Difference]: Finished difference. Result has 323 places, 462 transitions, 7992 flow [2021-03-25 22:06:42,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7687, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7992, PETRI_PLACES=323, PETRI_TRANSITIONS=462} [2021-03-25 22:06:42,647 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 284 predicate places. [2021-03-25 22:06:42,647 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:42,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 462 transitions, 7992 flow [2021-03-25 22:06:42,647 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 462 transitions, 7992 flow [2021-03-25 22:06:42,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 462 transitions, 7992 flow [2021-03-25 22:06:42,749 INFO L129 PetriNetUnfolder]: 427/923 cut-off events. [2021-03-25 22:06:42,749 INFO L130 PetriNetUnfolder]: For 25381/25564 co-relation queries the response was YES. [2021-03-25 22:06:42,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9464 conditions, 923 events. 427/923 cut-off events. For 25381/25564 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 5987 event pairs, 26 based on Foata normal form. 21/912 useless extension candidates. Maximal degree in co-relation 9317. Up to 386 conditions per place. [2021-03-25 22:06:42,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 532 [2021-03-25 22:06:42,785 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:42,785 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:42,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-25 22:06:42,786 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 462 transitions, 7992 flow [2021-03-25 22:06:42,786 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) [2021-03-25 22:06:42,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:42,786 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:42,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-25 22:06:42,786 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:42,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:42,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1098754416, now seen corresponding path program 9 times [2021-03-25 22:06:42,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:42,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061783704] [2021-03-25 22:06:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:42,801 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:42,807 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:42,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:42,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:42,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:42,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:42,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:42,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061783704] [2021-03-25 22:06:42,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:42,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:42,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123225778] [2021-03-25 22:06:42,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:42,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:42,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:42,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:42,877 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:42,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 462 transitions, 7992 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) [2021-03-25 22:06:42,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:42,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:42,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:43,513 INFO L129 PetriNetUnfolder]: 635/1215 cut-off events. [2021-03-25 22:06:43,513 INFO L130 PetriNetUnfolder]: For 28528/28559 co-relation queries the response was YES. [2021-03-25 22:06:43,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12658 conditions, 1215 events. 635/1215 cut-off events. For 28528/28559 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7226 event pairs, 119 based on Foata normal form. 13/1225 useless extension candidates. Maximal degree in co-relation 12509. Up to 1017 conditions per place. [2021-03-25 22:06:43,531 INFO L132 encePairwiseOnDemand]: 84/111 looper letters, 298 selfloop transitions, 161 changer transitions 3/470 dead transitions. [2021-03-25 22:06:43,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 470 transitions, 9029 flow [2021-03-25 22:06:43,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:06:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:06:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 553 transitions. [2021-03-25 22:06:43,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29305776364599895 [2021-03-25 22:06:43,532 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 553 transitions. [2021-03-25 22:06:43,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 553 transitions. [2021-03-25 22:06:43,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:43,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 553 transitions. [2021-03-25 22:06:43,533 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) [2021-03-25 22:06:43,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 111.0) internal successors, (1998), 18 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:43,534 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 111.0) internal successors, (1998), 18 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:43,534 INFO L185 Difference]: Start difference. First operand has 322 places, 462 transitions, 7992 flow. Second operand 17 states and 553 transitions. [2021-03-25 22:06:43,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 470 transitions, 9029 flow [2021-03-25 22:06:43,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 470 transitions, 8812 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:43,695 INFO L241 Difference]: Finished difference. Result has 330 places, 460 transitions, 8067 flow [2021-03-25 22:06:43,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7775, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8067, PETRI_PLACES=330, PETRI_TRANSITIONS=460} [2021-03-25 22:06:43,695 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 291 predicate places. [2021-03-25 22:06:43,695 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:43,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 460 transitions, 8067 flow [2021-03-25 22:06:43,695 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 460 transitions, 8067 flow [2021-03-25 22:06:43,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 460 transitions, 8067 flow [2021-03-25 22:06:43,798 INFO L129 PetriNetUnfolder]: 422/919 cut-off events. [2021-03-25 22:06:43,798 INFO L130 PetriNetUnfolder]: For 23413/23594 co-relation queries the response was YES. [2021-03-25 22:06:43,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9354 conditions, 919 events. 422/919 cut-off events. For 23413/23594 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6016 event pairs, 28 based on Foata normal form. 17/909 useless extension candidates. Maximal degree in co-relation 9227. Up to 380 conditions per place. [2021-03-25 22:06:43,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-25 22:06:43,835 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:43,835 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:43,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-25 22:06:43,835 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 460 transitions, 8067 flow [2021-03-25 22:06:43,836 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) [2021-03-25 22:06:43,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:43,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:43,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-25 22:06:43,836 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:43,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:43,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1576633531, now seen corresponding path program 4 times [2021-03-25 22:06:43,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:43,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867646651] [2021-03-25 22:06:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:43,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:43,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:43,852 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:43,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:43,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:43,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:43,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:43,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:43,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:43,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:43,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:43,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867646651] [2021-03-25 22:06:43,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:43,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:43,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322933372] [2021-03-25 22:06:43,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:43,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:43,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:43,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:43,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:43,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 460 transitions, 8067 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) [2021-03-25 22:06:43,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:43,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:43,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:44,444 INFO L129 PetriNetUnfolder]: 636/1217 cut-off events. [2021-03-25 22:06:44,444 INFO L130 PetriNetUnfolder]: For 28776/28814 co-relation queries the response was YES. [2021-03-25 22:06:44,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12742 conditions, 1217 events. 636/1217 cut-off events. For 28776/28814 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7211 event pairs, 138 based on Foata normal form. 14/1227 useless extension candidates. Maximal degree in co-relation 12613. Up to 1086 conditions per place. [2021-03-25 22:06:44,488 INFO L132 encePairwiseOnDemand]: 93/111 looper letters, 413 selfloop transitions, 46 changer transitions 2/469 dead transitions. [2021-03-25 22:06:44,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 469 transitions, 9165 flow [2021-03-25 22:06:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 384 transitions. [2021-03-25 22:06:44,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2882882882882883 [2021-03-25 22:06:44,489 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 384 transitions. [2021-03-25 22:06:44,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 384 transitions. [2021-03-25 22:06:44,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:44,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 384 transitions. [2021-03-25 22:06:44,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.0) internal successors, (384), 12 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) [2021-03-25 22:06:44,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:44,491 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:44,491 INFO L185 Difference]: Start difference. First operand has 326 places, 460 transitions, 8067 flow. Second operand 12 states and 384 transitions. [2021-03-25 22:06:44,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 469 transitions, 9165 flow [2021-03-25 22:06:44,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 469 transitions, 8833 flow, removed 4 selfloop flow, removed 16 redundant places. [2021-03-25 22:06:44,655 INFO L241 Difference]: Finished difference. Result has 324 places, 461 transitions, 7888 flow [2021-03-25 22:06:44,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7737, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7888, PETRI_PLACES=324, PETRI_TRANSITIONS=461} [2021-03-25 22:06:44,655 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 285 predicate places. [2021-03-25 22:06:44,655 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:44,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 461 transitions, 7888 flow [2021-03-25 22:06:44,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 461 transitions, 7888 flow [2021-03-25 22:06:44,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 461 transitions, 7888 flow [2021-03-25 22:06:44,759 INFO L129 PetriNetUnfolder]: 422/921 cut-off events. [2021-03-25 22:06:44,759 INFO L130 PetriNetUnfolder]: For 25592/25792 co-relation queries the response was YES. [2021-03-25 22:06:44,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9321 conditions, 921 events. 422/921 cut-off events. For 25592/25792 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6024 event pairs, 29 based on Foata normal form. 23/915 useless extension candidates. Maximal degree in co-relation 9194. Up to 380 conditions per place. [2021-03-25 22:06:44,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-25 22:06:44,797 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:44,797 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:44,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-25 22:06:44,797 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 461 transitions, 7888 flow [2021-03-25 22:06:44,797 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) [2021-03-25 22:06:44,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:44,797 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:44,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-25 22:06:44,797 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:44,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:44,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1836719522, now seen corresponding path program 1 times [2021-03-25 22:06:44,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:44,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845464462] [2021-03-25 22:06:44,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:44,809 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:44,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:44,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:44,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:44,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:44,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:44,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:44,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:44,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:44,847 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:44,868 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:06:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:06:44,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:44,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:44,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:44,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:44,910 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:44,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:44,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845464462] [2021-03-25 22:06:44,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:44,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:44,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545858602] [2021-03-25 22:06:44,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:44,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:44,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:44,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:44,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:44,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 461 transitions, 7888 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) [2021-03-25 22:06:44,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:44,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:44,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:45,598 INFO L129 PetriNetUnfolder]: 636/1219 cut-off events. [2021-03-25 22:06:45,598 INFO L130 PetriNetUnfolder]: For 28978/28992 co-relation queries the response was YES. [2021-03-25 22:06:45,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12681 conditions, 1219 events. 636/1219 cut-off events. For 28978/28992 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7274 event pairs, 130 based on Foata normal form. 11/1227 useless extension candidates. Maximal degree in co-relation 12552. Up to 1057 conditions per place. [2021-03-25 22:06:45,613 INFO L132 encePairwiseOnDemand]: 88/111 looper letters, 360 selfloop transitions, 96 changer transitions 7/471 dead transitions. [2021-03-25 22:06:45,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 471 transitions, 8994 flow [2021-03-25 22:06:45,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:06:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:06:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 514 transitions. [2021-03-25 22:06:45,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2894144144144144 [2021-03-25 22:06:45,614 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 514 transitions. [2021-03-25 22:06:45,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 514 transitions. [2021-03-25 22:06:45,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:45,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 514 transitions. [2021-03-25 22:06:45,615 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) [2021-03-25 22:06:45,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:45,616 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:45,616 INFO L185 Difference]: Start difference. First operand has 322 places, 461 transitions, 7888 flow. Second operand 16 states and 514 transitions. [2021-03-25 22:06:45,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 471 transitions, 8994 flow [2021-03-25 22:06:45,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 471 transitions, 8863 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:45,771 INFO L241 Difference]: Finished difference. Result has 331 places, 458 transitions, 7906 flow [2021-03-25 22:06:45,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7757, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7906, PETRI_PLACES=331, PETRI_TRANSITIONS=458} [2021-03-25 22:06:45,771 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 292 predicate places. [2021-03-25 22:06:45,772 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:45,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 458 transitions, 7906 flow [2021-03-25 22:06:45,772 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 458 transitions, 7906 flow [2021-03-25 22:06:45,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 458 transitions, 7906 flow [2021-03-25 22:06:45,874 INFO L129 PetriNetUnfolder]: 430/927 cut-off events. [2021-03-25 22:06:45,874 INFO L130 PetriNetUnfolder]: For 25261/25435 co-relation queries the response was YES. [2021-03-25 22:06:45,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9453 conditions, 927 events. 430/927 cut-off events. For 25261/25435 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5975 event pairs, 41 based on Foata normal form. 17/912 useless extension candidates. Maximal degree in co-relation 9304. Up to 387 conditions per place. [2021-03-25 22:06:45,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-25 22:06:45,912 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:45,912 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:45,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-25 22:06:45,912 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 458 transitions, 7906 flow [2021-03-25 22:06:45,913 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) [2021-03-25 22:06:45,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:45,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:45,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-25 22:06:45,913 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:45,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:45,913 INFO L82 PathProgramCache]: Analyzing trace with hash -2021952978, now seen corresponding path program 10 times [2021-03-25 22:06:45,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:45,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808563821] [2021-03-25 22:06:45,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:45,932 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:45,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:45,936 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:45,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:45,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:45,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:45,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:45,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:46,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:46,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:46,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808563821] [2021-03-25 22:06:46,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:46,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:46,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081666431] [2021-03-25 22:06:46,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:46,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:46,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:46,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:46,010 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:46,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 458 transitions, 7906 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) [2021-03-25 22:06:46,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:46,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:46,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:46,568 INFO L129 PetriNetUnfolder]: 633/1212 cut-off events. [2021-03-25 22:06:46,568 INFO L130 PetriNetUnfolder]: For 29010/29041 co-relation queries the response was YES. [2021-03-25 22:06:46,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12670 conditions, 1212 events. 633/1212 cut-off events. For 29010/29041 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7189 event pairs, 128 based on Foata normal form. 13/1222 useless extension candidates. Maximal degree in co-relation 12519. Up to 1083 conditions per place. [2021-03-25 22:06:46,585 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 405 selfloop transitions, 48 changer transitions 3/464 dead transitions. [2021-03-25 22:06:46,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 464 transitions, 8905 flow [2021-03-25 22:06:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 409 transitions. [2021-03-25 22:06:46,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2834372834372834 [2021-03-25 22:06:46,586 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 409 transitions. [2021-03-25 22:06:46,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 409 transitions. [2021-03-25 22:06:46,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:46,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 409 transitions. [2021-03-25 22:06:46,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.46153846153846) internal successors, (409), 13 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:46,588 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) [2021-03-25 22:06:46,588 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) [2021-03-25 22:06:46,588 INFO L185 Difference]: Start difference. First operand has 328 places, 458 transitions, 7906 flow. Second operand 13 states and 409 transitions. [2021-03-25 22:06:46,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 464 transitions, 8905 flow [2021-03-25 22:06:46,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 464 transitions, 8698 flow, removed 8 selfloop flow, removed 17 redundant places. [2021-03-25 22:06:46,765 INFO L241 Difference]: Finished difference. Result has 325 places, 456 transitions, 7768 flow [2021-03-25 22:06:46,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7701, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7768, PETRI_PLACES=325, PETRI_TRANSITIONS=456} [2021-03-25 22:06:46,766 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-25 22:06:46,766 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:46,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 456 transitions, 7768 flow [2021-03-25 22:06:46,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 456 transitions, 7768 flow [2021-03-25 22:06:46,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 456 transitions, 7768 flow [2021-03-25 22:06:46,874 INFO L129 PetriNetUnfolder]: 422/915 cut-off events. [2021-03-25 22:06:46,874 INFO L130 PetriNetUnfolder]: For 25597/25810 co-relation queries the response was YES. [2021-03-25 22:06:46,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9283 conditions, 915 events. 422/915 cut-off events. For 25597/25810 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 5946 event pairs, 29 based on Foata normal form. 25/912 useless extension candidates. Maximal degree in co-relation 9157. Up to 383 conditions per place. [2021-03-25 22:06:46,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 524 [2021-03-25 22:06:46,911 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:46,911 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:46,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-25 22:06:46,912 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 456 transitions, 7768 flow [2021-03-25 22:06:46,912 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) [2021-03-25 22:06:46,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:46,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:46,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-25 22:06:46,912 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:46,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:46,912 INFO L82 PathProgramCache]: Analyzing trace with hash -289692014, now seen corresponding path program 11 times [2021-03-25 22:06:46,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:46,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669238395] [2021-03-25 22:06:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:46,920 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:46,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:46,924 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:46,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:46,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:46,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:46,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:46,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:46,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:46,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:46,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:46,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669238395] [2021-03-25 22:06:46,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:46,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:46,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516478285] [2021-03-25 22:06:46,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:46,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:46,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:46,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:46,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:46,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 456 transitions, 7768 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) [2021-03-25 22:06:46,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:46,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:46,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:47,610 INFO L129 PetriNetUnfolder]: 633/1212 cut-off events. [2021-03-25 22:06:47,611 INFO L130 PetriNetUnfolder]: For 29299/29337 co-relation queries the response was YES. [2021-03-25 22:06:47,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12585 conditions, 1212 events. 633/1212 cut-off events. For 29299/29337 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7182 event pairs, 124 based on Foata normal form. 14/1222 useless extension candidates. Maximal degree in co-relation 12457. Up to 978 conditions per place. [2021-03-25 22:06:47,626 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 289 selfloop transitions, 162 changer transitions 8/467 dead transitions. [2021-03-25 22:06:47,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 467 transitions, 8866 flow [2021-03-25 22:06:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:06:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:06:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 496 transitions. [2021-03-25 22:06:47,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2978978978978979 [2021-03-25 22:06:47,627 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 496 transitions. [2021-03-25 22:06:47,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 496 transitions. [2021-03-25 22:06:47,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:47,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 496 transitions. [2021-03-25 22:06:47,628 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) [2021-03-25 22:06:47,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:47,629 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:47,629 INFO L185 Difference]: Start difference. First operand has 321 places, 456 transitions, 7768 flow. Second operand 15 states and 496 transitions. [2021-03-25 22:06:47,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 467 transitions, 8866 flow [2021-03-25 22:06:47,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 467 transitions, 8760 flow, removed 5 selfloop flow, removed 12 redundant places. [2021-03-25 22:06:47,789 INFO L241 Difference]: Finished difference. Result has 327 places, 453 transitions, 7962 flow [2021-03-25 22:06:47,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7664, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7962, PETRI_PLACES=327, PETRI_TRANSITIONS=453} [2021-03-25 22:06:47,790 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 288 predicate places. [2021-03-25 22:06:47,790 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:47,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 453 transitions, 7962 flow [2021-03-25 22:06:47,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 453 transitions, 7962 flow [2021-03-25 22:06:47,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 453 transitions, 7962 flow [2021-03-25 22:06:47,907 INFO L129 PetriNetUnfolder]: 422/912 cut-off events. [2021-03-25 22:06:47,907 INFO L130 PetriNetUnfolder]: For 25091/25259 co-relation queries the response was YES. [2021-03-25 22:06:47,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9410 conditions, 912 events. 422/912 cut-off events. For 25091/25259 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5918 event pairs, 33 based on Foata normal form. 19/904 useless extension candidates. Maximal degree in co-relation 9283. Up to 386 conditions per place. [2021-03-25 22:06:47,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-25 22:06:47,985 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:47,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:47,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-25 22:06:47,986 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 453 transitions, 7962 flow [2021-03-25 22:06:47,986 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) [2021-03-25 22:06:47,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:47,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:47,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-25 22:06:47,986 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:47,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:47,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1784619982, now seen corresponding path program 12 times [2021-03-25 22:06:47,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:47,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312302433] [2021-03-25 22:06:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:47,996 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:47,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:48,000 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:48,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:48,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:48,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:48,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:48,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:48,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312302433] [2021-03-25 22:06:48,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:48,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:48,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474868323] [2021-03-25 22:06:48,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:48,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:48,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:48,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:48,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:48,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 453 transitions, 7962 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) [2021-03-25 22:06:48,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:48,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:48,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:48,605 INFO L129 PetriNetUnfolder]: 629/1205 cut-off events. [2021-03-25 22:06:48,605 INFO L130 PetriNetUnfolder]: For 29568/29599 co-relation queries the response was YES. [2021-03-25 22:06:48,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12758 conditions, 1205 events. 629/1205 cut-off events. For 29568/29599 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7131 event pairs, 128 based on Foata normal form. 13/1215 useless extension candidates. Maximal degree in co-relation 12629. Up to 1083 conditions per place. [2021-03-25 22:06:48,619 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 404 selfloop transitions, 43 changer transitions 3/458 dead transitions. [2021-03-25 22:06:48,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 458 transitions, 8936 flow [2021-03-25 22:06:48,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 381 transitions. [2021-03-25 22:06:48,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28603603603603606 [2021-03-25 22:06:48,620 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 381 transitions. [2021-03-25 22:06:48,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 381 transitions. [2021-03-25 22:06:48,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:48,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 381 transitions. [2021-03-25 22:06:48,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.75) internal successors, (381), 12 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) [2021-03-25 22:06:48,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:48,621 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:48,621 INFO L185 Difference]: Start difference. First operand has 321 places, 453 transitions, 7962 flow. Second operand 12 states and 381 transitions. [2021-03-25 22:06:48,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 458 transitions, 8936 flow [2021-03-25 22:06:48,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 458 transitions, 8536 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-25 22:06:48,790 INFO L241 Difference]: Finished difference. Result has 321 places, 451 transitions, 7627 flow [2021-03-25 22:06:48,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7565, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7627, PETRI_PLACES=321, PETRI_TRANSITIONS=451} [2021-03-25 22:06:48,791 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 282 predicate places. [2021-03-25 22:06:48,791 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:48,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 451 transitions, 7627 flow [2021-03-25 22:06:48,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 451 transitions, 7627 flow [2021-03-25 22:06:48,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 317 places, 451 transitions, 7627 flow [2021-03-25 22:06:48,893 INFO L129 PetriNetUnfolder]: 423/908 cut-off events. [2021-03-25 22:06:48,893 INFO L130 PetriNetUnfolder]: For 25258/25434 co-relation queries the response was YES. [2021-03-25 22:06:48,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9326 conditions, 908 events. 423/908 cut-off events. For 25258/25434 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5840 event pairs, 31 based on Foata normal form. 20/893 useless extension candidates. Maximal degree in co-relation 9200. Up to 385 conditions per place. [2021-03-25 22:06:48,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-25 22:06:48,928 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:48,929 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:48,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-03-25 22:06:48,929 INFO L480 AbstractCegarLoop]: Abstraction has has 317 places, 451 transitions, 7627 flow [2021-03-25 22:06:48,929 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) [2021-03-25 22:06:48,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:48,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:48,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-25 22:06:48,929 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:48,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:48,929 INFO L82 PathProgramCache]: Analyzing trace with hash -727584579, now seen corresponding path program 5 times [2021-03-25 22:06:48,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:48,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348674825] [2021-03-25 22:06:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:48,939 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:48,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:48,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:48,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:48,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:49,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:49,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:49,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:49,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:49,030 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:49,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348674825] [2021-03-25 22:06:49,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:49,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:49,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918947720] [2021-03-25 22:06:49,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:49,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:49,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:49,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:49,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:49,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 451 transitions, 7627 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) [2021-03-25 22:06:49,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:49,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:49,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:49,671 INFO L129 PetriNetUnfolder]: 630/1208 cut-off events. [2021-03-25 22:06:49,671 INFO L130 PetriNetUnfolder]: For 29030/29061 co-relation queries the response was YES. [2021-03-25 22:06:49,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12623 conditions, 1208 events. 630/1208 cut-off events. For 29030/29061 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7143 event pairs, 130 based on Foata normal form. 13/1218 useless extension candidates. Maximal degree in co-relation 12495. Up to 1073 conditions per place. [2021-03-25 22:06:49,691 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 402 selfloop transitions, 49 changer transitions 2/461 dead transitions. [2021-03-25 22:06:49,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 461 transitions, 8732 flow [2021-03-25 22:06:49,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 411 transitions. [2021-03-25 22:06:49,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28482328482328484 [2021-03-25 22:06:49,693 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 411 transitions. [2021-03-25 22:06:49,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 411 transitions. [2021-03-25 22:06:49,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:49,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 411 transitions. [2021-03-25 22:06:49,694 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) [2021-03-25 22:06:49,695 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) [2021-03-25 22:06:49,695 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) [2021-03-25 22:06:49,695 INFO L185 Difference]: Start difference. First operand has 317 places, 451 transitions, 7627 flow. Second operand 13 states and 411 transitions. [2021-03-25 22:06:49,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 461 transitions, 8732 flow [2021-03-25 22:06:49,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 461 transitions, 8636 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-03-25 22:06:49,877 INFO L241 Difference]: Finished difference. Result has 321 places, 452 transitions, 7690 flow [2021-03-25 22:06:49,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7531, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7690, PETRI_PLACES=321, PETRI_TRANSITIONS=452} [2021-03-25 22:06:49,878 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 282 predicate places. [2021-03-25 22:06:49,878 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:49,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 452 transitions, 7690 flow [2021-03-25 22:06:49,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 452 transitions, 7690 flow [2021-03-25 22:06:49,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 452 transitions, 7690 flow [2021-03-25 22:06:50,000 INFO L129 PetriNetUnfolder]: 416/904 cut-off events. [2021-03-25 22:06:50,001 INFO L130 PetriNetUnfolder]: For 26179/26371 co-relation queries the response was YES. [2021-03-25 22:06:50,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9279 conditions, 904 events. 416/904 cut-off events. For 26179/26371 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5835 event pairs, 32 based on Foata normal form. 23/897 useless extension candidates. Maximal degree in co-relation 9153. Up to 380 conditions per place. [2021-03-25 22:06:50,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-25 22:06:50,035 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:50,035 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:50,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-03-25 22:06:50,036 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 452 transitions, 7690 flow [2021-03-25 22:06:50,036 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) [2021-03-25 22:06:50,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:50,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:50,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-25 22:06:50,040 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:50,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:50,040 INFO L82 PathProgramCache]: Analyzing trace with hash -988134223, now seen corresponding path program 6 times [2021-03-25 22:06:50,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:50,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124930411] [2021-03-25 22:06:50,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:50,049 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:50,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:50,053 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:50,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:50,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:50,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:50,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:50,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:50,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:50,107 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:50,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124930411] [2021-03-25 22:06:50,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:50,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:50,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734915161] [2021-03-25 22:06:50,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:50,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:50,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:50,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:50,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-25 22:06:50,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 452 transitions, 7690 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) [2021-03-25 22:06:50,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:50,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-25 22:06:50,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:50,584 INFO L129 PetriNetUnfolder]: 631/1211 cut-off events. [2021-03-25 22:06:50,584 INFO L130 PetriNetUnfolder]: For 29733/29742 co-relation queries the response was YES. [2021-03-25 22:06:50,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12702 conditions, 1211 events. 631/1211 cut-off events. For 29733/29742 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7208 event pairs, 133 based on Foata normal form. 6/1214 useless extension candidates. Maximal degree in co-relation 12574. Up to 1067 conditions per place. [2021-03-25 22:06:50,598 INFO L132 encePairwiseOnDemand]: 93/111 looper letters, 391 selfloop transitions, 61 changer transitions 2/462 dead transitions. [2021-03-25 22:06:50,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 462 transitions, 8798 flow [2021-03-25 22:06:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 389 transitions. [2021-03-25 22:06:50,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29204204204204204 [2021-03-25 22:06:50,599 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 389 transitions. [2021-03-25 22:06:50,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 389 transitions. [2021-03-25 22:06:50,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:50,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 389 transitions. [2021-03-25 22:06:50,600 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) [2021-03-25 22:06:50,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:50,600 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:50,601 INFO L185 Difference]: Start difference. First operand has 319 places, 452 transitions, 7690 flow. Second operand 12 states and 389 transitions. [2021-03-25 22:06:50,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 462 transitions, 8798 flow [2021-03-25 22:06:50,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 462 transitions, 8663 flow, removed 20 selfloop flow, removed 11 redundant places. [2021-03-25 22:06:50,759 INFO L241 Difference]: Finished difference. Result has 323 places, 455 transitions, 7797 flow [2021-03-25 22:06:50,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7555, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7797, PETRI_PLACES=323, PETRI_TRANSITIONS=455} [2021-03-25 22:06:50,760 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 284 predicate places. [2021-03-25 22:06:50,760 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:50,760 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 455 transitions, 7797 flow [2021-03-25 22:06:50,760 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 455 transitions, 7797 flow [2021-03-25 22:06:50,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 455 transitions, 7797 flow [2021-03-25 22:06:50,862 INFO L129 PetriNetUnfolder]: 424/912 cut-off events. [2021-03-25 22:06:50,863 INFO L130 PetriNetUnfolder]: For 27519/27702 co-relation queries the response was YES. [2021-03-25 22:06:50,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9516 conditions, 912 events. 424/912 cut-off events. For 27519/27702 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 5850 event pairs, 41 based on Foata normal form. 21/899 useless extension candidates. Maximal degree in co-relation 9388. Up to 387 conditions per place. [2021-03-25 22:06:50,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-25 22:06:50,948 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:06:50,948 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:06:50,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-03-25 22:06:50,949 INFO L480 AbstractCegarLoop]: Abstraction has has 320 places, 454 transitions, 7793 flow [2021-03-25 22:06:50,949 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) [2021-03-25 22:06:50,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:50,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:50,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-25 22:06:50,949 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:50,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:50,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1892966587, now seen corresponding path program 7 times [2021-03-25 22:06:50,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:50,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542131457] [2021-03-25 22:06:50,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:50,973 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:50,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:50,978 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:50,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:50,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:50,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:50,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:51,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:51,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:51,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:51,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:51,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542131457] [2021-03-25 22:06:51,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:51,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:51,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103588347] [2021-03-25 22:06:51,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:51,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:51,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:51,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:51,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:51,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 454 transitions, 7793 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) [2021-03-25 22:06:51,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:51,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:51,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:51,547 INFO L129 PetriNetUnfolder]: 629/1212 cut-off events. [2021-03-25 22:06:51,547 INFO L130 PetriNetUnfolder]: For 31286/31317 co-relation queries the response was YES. [2021-03-25 22:06:51,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12850 conditions, 1212 events. 629/1212 cut-off events. For 31286/31317 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7207 event pairs, 125 based on Foata normal form. 16/1226 useless extension candidates. Maximal degree in co-relation 12720. Up to 1066 conditions per place. [2021-03-25 22:06:51,561 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 388 selfloop transitions, 63 changer transitions 2/461 dead transitions. [2021-03-25 22:06:51,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 461 transitions, 8809 flow [2021-03-25 22:06:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 364 transitions. [2021-03-25 22:06:51,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29545454545454547 [2021-03-25 22:06:51,562 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 364 transitions. [2021-03-25 22:06:51,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 364 transitions. [2021-03-25 22:06:51,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:51,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 364 transitions. [2021-03-25 22:06:51,563 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) [2021-03-25 22:06:51,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 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) [2021-03-25 22:06:51,563 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 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) [2021-03-25 22:06:51,563 INFO L185 Difference]: Start difference. First operand has 320 places, 454 transitions, 7793 flow. Second operand 11 states and 364 transitions. [2021-03-25 22:06:51,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 461 transitions, 8809 flow [2021-03-25 22:06:51,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 461 transitions, 8625 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-03-25 22:06:51,735 INFO L241 Difference]: Finished difference. Result has 324 places, 455 transitions, 7777 flow [2021-03-25 22:06:51,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7613, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7777, PETRI_PLACES=324, PETRI_TRANSITIONS=455} [2021-03-25 22:06:51,736 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 285 predicate places. [2021-03-25 22:06:51,736 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:51,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 455 transitions, 7777 flow [2021-03-25 22:06:51,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 455 transitions, 7777 flow [2021-03-25 22:06:51,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 455 transitions, 7777 flow [2021-03-25 22:06:51,847 INFO L129 PetriNetUnfolder]: 404/896 cut-off events. [2021-03-25 22:06:51,847 INFO L130 PetriNetUnfolder]: For 26408/26586 co-relation queries the response was YES. [2021-03-25 22:06:51,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9316 conditions, 896 events. 404/896 cut-off events. For 26408/26586 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 5884 event pairs, 32 based on Foata normal form. 18/888 useless extension candidates. Maximal degree in co-relation 9187. Up to 380 conditions per place. [2021-03-25 22:06:51,861 INFO L142 LiptonReduction]: Number of co-enabled transitions 522 [2021-03-25 22:06:51,884 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:51,884 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:51,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-03-25 22:06:51,885 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 455 transitions, 7777 flow [2021-03-25 22:06:51,885 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) [2021-03-25 22:06:51,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:51,885 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:51,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-25 22:06:51,885 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:51,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:51,885 INFO L82 PathProgramCache]: Analyzing trace with hash 510871252, now seen corresponding path program 1 times [2021-03-25 22:06:51,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:51,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012334177] [2021-03-25 22:06:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:51,894 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:51,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:51,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:51,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:51,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:51,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:51,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:51,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:51,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:51,953 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:51,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012334177] [2021-03-25 22:06:51,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:51,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:51,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317965179] [2021-03-25 22:06:51,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:51,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:51,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:51,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:51,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:51,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 455 transitions, 7777 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) [2021-03-25 22:06:51,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:51,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:51,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:52,409 INFO L129 PetriNetUnfolder]: 628/1214 cut-off events. [2021-03-25 22:06:52,409 INFO L130 PetriNetUnfolder]: For 31264/31295 co-relation queries the response was YES. [2021-03-25 22:06:52,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12890 conditions, 1214 events. 628/1214 cut-off events. For 31264/31295 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7229 event pairs, 122 based on Foata normal form. 13/1224 useless extension candidates. Maximal degree in co-relation 12759. Up to 1068 conditions per place. [2021-03-25 22:06:52,423 INFO L132 encePairwiseOnDemand]: 93/112 looper letters, 390 selfloop transitions, 60 changer transitions 2/460 dead transitions. [2021-03-25 22:06:52,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 460 transitions, 8739 flow [2021-03-25 22:06:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:06:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:06:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 360 transitions. [2021-03-25 22:06:52,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2922077922077922 [2021-03-25 22:06:52,424 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 360 transitions. [2021-03-25 22:06:52,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 360 transitions. [2021-03-25 22:06:52,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:52,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 360 transitions. [2021-03-25 22:06:52,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.72727272727273) internal successors, (360), 11 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:52,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 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) [2021-03-25 22:06:52,425 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 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) [2021-03-25 22:06:52,425 INFO L185 Difference]: Start difference. First operand has 322 places, 455 transitions, 7777 flow. Second operand 11 states and 360 transitions. [2021-03-25 22:06:52,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 460 transitions, 8739 flow [2021-03-25 22:06:52,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 460 transitions, 8603 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-25 22:06:52,605 INFO L241 Difference]: Finished difference. Result has 325 places, 455 transitions, 7767 flow [2021-03-25 22:06:52,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7641, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7767, PETRI_PLACES=325, PETRI_TRANSITIONS=455} [2021-03-25 22:06:52,606 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-25 22:06:52,606 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:52,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 455 transitions, 7767 flow [2021-03-25 22:06:52,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 455 transitions, 7767 flow [2021-03-25 22:06:52,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 323 places, 455 transitions, 7767 flow [2021-03-25 22:06:52,708 INFO L129 PetriNetUnfolder]: 423/916 cut-off events. [2021-03-25 22:06:52,708 INFO L130 PetriNetUnfolder]: For 28402/28584 co-relation queries the response was YES. [2021-03-25 22:06:52,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9611 conditions, 916 events. 423/916 cut-off events. For 28402/28584 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5942 event pairs, 37 based on Foata normal form. 13/893 useless extension candidates. Maximal degree in co-relation 9482. Up to 393 conditions per place. [2021-03-25 22:06:52,724 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-25 22:06:52,757 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:52,757 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:52,757 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-25 22:06:52,758 INFO L480 AbstractCegarLoop]: Abstraction has has 323 places, 455 transitions, 7767 flow [2021-03-25 22:06:52,758 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) [2021-03-25 22:06:52,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:52,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:52,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-25 22:06:52,758 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:52,758 INFO L82 PathProgramCache]: Analyzing trace with hash -562643050, now seen corresponding path program 1 times [2021-03-25 22:06:52,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:52,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070927950] [2021-03-25 22:06:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:52,768 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:52,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:52,772 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:52,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:52,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:52,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:06:52,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:06:52,801 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:06:52,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:06:52,804 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:52,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:52,822 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-25 22:06:52,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:06:52,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:06:52,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:52,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:52,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:52,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070927950] [2021-03-25 22:06:52,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:52,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 22:06:52,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819516496] [2021-03-25 22:06:52,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:06:52,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:52,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:06:52,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:06:52,843 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:52,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 455 transitions, 7767 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) [2021-03-25 22:06:52,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:52,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:52,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:53,369 INFO L129 PetriNetUnfolder]: 638/1238 cut-off events. [2021-03-25 22:06:53,369 INFO L130 PetriNetUnfolder]: For 34850/34876 co-relation queries the response was YES. [2021-03-25 22:06:53,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13322 conditions, 1238 events. 638/1238 cut-off events. For 34850/34876 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7461 event pairs, 94 based on Foata normal form. 16/1252 useless extension candidates. Maximal degree in co-relation 13191. Up to 1025 conditions per place. [2021-03-25 22:06:53,385 INFO L132 encePairwiseOnDemand]: 88/112 looper letters, 347 selfloop transitions, 116 changer transitions 4/475 dead transitions. [2021-03-25 22:06:53,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 475 transitions, 9085 flow [2021-03-25 22:06:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:06:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:06:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 337 transitions. [2021-03-25 22:06:53,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3343253968253968 [2021-03-25 22:06:53,386 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 337 transitions. [2021-03-25 22:06:53,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 337 transitions. [2021-03-25 22:06:53,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:53,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 337 transitions. [2021-03-25 22:06:53,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.44444444444444) internal successors, (337), 9 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:53,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:53,387 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:53,387 INFO L185 Difference]: Start difference. First operand has 323 places, 455 transitions, 7767 flow. Second operand 9 states and 337 transitions. [2021-03-25 22:06:53,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 475 transitions, 9085 flow [2021-03-25 22:06:53,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 475 transitions, 8986 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:53,574 INFO L241 Difference]: Finished difference. Result has 325 places, 458 transitions, 8138 flow [2021-03-25 22:06:53,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7668, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8138, PETRI_PLACES=325, PETRI_TRANSITIONS=458} [2021-03-25 22:06:53,575 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-25 22:06:53,575 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:53,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 458 transitions, 8138 flow [2021-03-25 22:06:53,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 458 transitions, 8138 flow [2021-03-25 22:06:53,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 458 transitions, 8138 flow [2021-03-25 22:06:53,684 INFO L129 PetriNetUnfolder]: 413/912 cut-off events. [2021-03-25 22:06:53,684 INFO L130 PetriNetUnfolder]: For 29947/30125 co-relation queries the response was YES. [2021-03-25 22:06:53,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9781 conditions, 912 events. 413/912 cut-off events. For 29947/30125 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 5945 event pairs, 34 based on Foata normal form. 13/895 useless extension candidates. Maximal degree in co-relation 9651. Up to 387 conditions per place. [2021-03-25 22:06:53,698 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-25 22:06:53,720 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:53,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:53,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-25 22:06:53,720 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 458 transitions, 8138 flow [2021-03-25 22:06:53,720 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) [2021-03-25 22:06:53,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:53,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:53,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-25 22:06:53,721 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:53,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:53,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1409857800, now seen corresponding path program 2 times [2021-03-25 22:06:53,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:53,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037585463] [2021-03-25 22:06:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:53,733 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:53,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:53,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:53,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:53,815 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:53,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:53,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037585463] [2021-03-25 22:06:53,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:53,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:53,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095295926] [2021-03-25 22:06:53,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:53,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:53,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:53,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:53,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:53,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 458 transitions, 8138 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) [2021-03-25 22:06:53,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:53,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:53,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:54,383 INFO L129 PetriNetUnfolder]: 637/1235 cut-off events. [2021-03-25 22:06:54,383 INFO L130 PetriNetUnfolder]: For 36895/36926 co-relation queries the response was YES. [2021-03-25 22:06:54,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13568 conditions, 1235 events. 637/1235 cut-off events. For 36895/36926 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7439 event pairs, 99 based on Foata normal form. 13/1245 useless extension candidates. Maximal degree in co-relation 13436. Up to 1081 conditions per place. [2021-03-25 22:06:54,399 INFO L132 encePairwiseOnDemand]: 93/112 looper letters, 392 selfloop transitions, 67 changer transitions 5/472 dead transitions. [2021-03-25 22:06:54,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 472 transitions, 9269 flow [2021-03-25 22:06:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:06:54,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:06:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 444 transitions. [2021-03-25 22:06:54,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28316326530612246 [2021-03-25 22:06:54,400 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 444 transitions. [2021-03-25 22:06:54,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 444 transitions. [2021-03-25 22:06:54,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:54,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 444 transitions. [2021-03-25 22:06:54,401 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) [2021-03-25 22:06:54,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:54,402 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:54,402 INFO L185 Difference]: Start difference. First operand has 324 places, 458 transitions, 8138 flow. Second operand 14 states and 444 transitions. [2021-03-25 22:06:54,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 472 transitions, 9269 flow [2021-03-25 22:06:54,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 472 transitions, 9086 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-03-25 22:06:54,608 INFO L241 Difference]: Finished difference. Result has 335 places, 464 transitions, 8191 flow [2021-03-25 22:06:54,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7955, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8191, PETRI_PLACES=335, PETRI_TRANSITIONS=464} [2021-03-25 22:06:54,609 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 296 predicate places. [2021-03-25 22:06:54,609 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:54,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 464 transitions, 8191 flow [2021-03-25 22:06:54,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 464 transitions, 8191 flow [2021-03-25 22:06:54,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 464 transitions, 8191 flow [2021-03-25 22:06:54,740 INFO L129 PetriNetUnfolder]: 421/918 cut-off events. [2021-03-25 22:06:54,741 INFO L130 PetriNetUnfolder]: For 29950/30128 co-relation queries the response was YES. [2021-03-25 22:06:54,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9911 conditions, 918 events. 421/918 cut-off events. For 29950/30128 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6025 event pairs, 31 based on Foata normal form. 18/908 useless extension candidates. Maximal degree in co-relation 9781. Up to 387 conditions per place. [2021-03-25 22:06:54,755 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-25 22:06:54,778 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:54,778 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:54,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-25 22:06:54,779 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 464 transitions, 8191 flow [2021-03-25 22:06:54,779 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) [2021-03-25 22:06:54,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:54,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:54,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-25 22:06:54,779 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:54,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:54,779 INFO L82 PathProgramCache]: Analyzing trace with hash -711248665, now seen corresponding path program 8 times [2021-03-25 22:06:54,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:54,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312842147] [2021-03-25 22:06:54,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:54,789 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:54,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:54,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:54,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:54,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:54,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:54,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:54,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:54,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:54,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:54,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:54,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:54,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:54,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312842147] [2021-03-25 22:06:54,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:54,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:06:54,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075298718] [2021-03-25 22:06:54,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:06:54,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:54,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:06:54,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:06:54,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:54,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 464 transitions, 8191 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) [2021-03-25 22:06:54,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:54,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:54,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:55,369 INFO L129 PetriNetUnfolder]: 637/1232 cut-off events. [2021-03-25 22:06:55,369 INFO L130 PetriNetUnfolder]: For 37534/37565 co-relation queries the response was YES. [2021-03-25 22:06:55,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13635 conditions, 1232 events. 637/1232 cut-off events. For 37534/37565 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7393 event pairs, 125 based on Foata normal form. 13/1242 useless extension candidates. Maximal degree in co-relation 13503. Up to 1099 conditions per place. [2021-03-25 22:06:55,416 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 420 selfloop transitions, 47 changer transitions 2/477 dead transitions. [2021-03-25 22:06:55,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 477 transitions, 9398 flow [2021-03-25 22:06:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:06:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:06:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 383 transitions. [2021-03-25 22:06:55,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2849702380952381 [2021-03-25 22:06:55,418 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 383 transitions. [2021-03-25 22:06:55,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 383 transitions. [2021-03-25 22:06:55,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:55,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 383 transitions. [2021-03-25 22:06:55,419 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) [2021-03-25 22:06:55,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 112.0) internal successors, (1456), 13 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) [2021-03-25 22:06:55,419 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 112.0) internal successors, (1456), 13 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) [2021-03-25 22:06:55,420 INFO L185 Difference]: Start difference. First operand has 332 places, 464 transitions, 8191 flow. Second operand 12 states and 383 transitions. [2021-03-25 22:06:55,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 477 transitions, 9398 flow [2021-03-25 22:06:55,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 477 transitions, 9145 flow, removed 82 selfloop flow, removed 8 redundant places. [2021-03-25 22:06:55,632 INFO L241 Difference]: Finished difference. Result has 338 places, 465 transitions, 8162 flow [2021-03-25 22:06:55,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8002, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8162, PETRI_PLACES=338, PETRI_TRANSITIONS=465} [2021-03-25 22:06:55,633 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 299 predicate places. [2021-03-25 22:06:55,633 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:55,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 338 places, 465 transitions, 8162 flow [2021-03-25 22:06:55,633 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 338 places, 465 transitions, 8162 flow [2021-03-25 22:06:55,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 465 transitions, 8162 flow [2021-03-25 22:06:55,743 INFO L129 PetriNetUnfolder]: 426/932 cut-off events. [2021-03-25 22:06:55,743 INFO L130 PetriNetUnfolder]: For 28780/28945 co-relation queries the response was YES. [2021-03-25 22:06:55,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9853 conditions, 932 events. 426/932 cut-off events. For 28780/28945 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 6108 event pairs, 39 based on Foata normal form. 21/925 useless extension candidates. Maximal degree in co-relation 9722. Up to 378 conditions per place. [2021-03-25 22:06:55,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-25 22:06:55,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:55,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:55,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-25 22:06:55,783 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 465 transitions, 8162 flow [2021-03-25 22:06:55,783 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) [2021-03-25 22:06:55,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:55,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:55,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-25 22:06:55,784 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:55,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:55,784 INFO L82 PathProgramCache]: Analyzing trace with hash -534266960, now seen corresponding path program 13 times [2021-03-25 22:06:55,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:55,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901871264] [2021-03-25 22:06:55,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:55,793 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:55,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:55,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:55,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:55,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:55,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:55,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:55,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:55,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:55,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:55,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:55,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901871264] [2021-03-25 22:06:55,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:55,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:55,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833623367] [2021-03-25 22:06:55,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:55,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:55,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:55,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:55,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:55,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 465 transitions, 8162 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) [2021-03-25 22:06:55,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:55,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:55,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:56,423 INFO L129 PetriNetUnfolder]: 636/1231 cut-off events. [2021-03-25 22:06:56,424 INFO L130 PetriNetUnfolder]: For 35212/35243 co-relation queries the response was YES. [2021-03-25 22:06:56,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13365 conditions, 1231 events. 636/1231 cut-off events. For 35212/35243 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7394 event pairs, 93 based on Foata normal form. 16/1245 useless extension candidates. Maximal degree in co-relation 13232. Up to 1062 conditions per place. [2021-03-25 22:06:56,439 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 384 selfloop transitions, 76 changer transitions 3/471 dead transitions. [2021-03-25 22:06:56,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 471 transitions, 9145 flow [2021-03-25 22:06:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 422 transitions. [2021-03-25 22:06:56,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28983516483516486 [2021-03-25 22:06:56,444 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 422 transitions. [2021-03-25 22:06:56,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 422 transitions. [2021-03-25 22:06:56,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:56,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 422 transitions. [2021-03-25 22:06:56,445 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) [2021-03-25 22:06:56,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:56,446 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:56,446 INFO L185 Difference]: Start difference. First operand has 336 places, 465 transitions, 8162 flow. Second operand 13 states and 422 transitions. [2021-03-25 22:06:56,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 471 transitions, 9145 flow [2021-03-25 22:06:56,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 471 transitions, 9003 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-03-25 22:06:56,676 INFO L241 Difference]: Finished difference. Result has 340 places, 464 transitions, 8179 flow [2021-03-25 22:06:56,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8020, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8179, PETRI_PLACES=340, PETRI_TRANSITIONS=464} [2021-03-25 22:06:56,677 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 301 predicate places. [2021-03-25 22:06:56,677 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:56,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 340 places, 464 transitions, 8179 flow [2021-03-25 22:06:56,677 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 340 places, 464 transitions, 8179 flow [2021-03-25 22:06:56,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 338 places, 464 transitions, 8179 flow [2021-03-25 22:06:56,786 INFO L129 PetriNetUnfolder]: 424/926 cut-off events. [2021-03-25 22:06:56,787 INFO L130 PetriNetUnfolder]: For 29161/29333 co-relation queries the response was YES. [2021-03-25 22:06:56,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 926 events. 424/926 cut-off events. For 29161/29333 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6077 event pairs, 31 based on Foata normal form. 19/918 useless extension candidates. Maximal degree in co-relation 9737. Up to 381 conditions per place. [2021-03-25 22:06:56,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 508 [2021-03-25 22:06:56,838 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:56,838 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:56,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-03-25 22:06:56,838 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 464 transitions, 8179 flow [2021-03-25 22:06:56,838 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) [2021-03-25 22:06:56,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:56,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:56,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-25 22:06:56,839 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:56,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:56,839 INFO L82 PathProgramCache]: Analyzing trace with hash 423276022, now seen corresponding path program 3 times [2021-03-25 22:06:56,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:56,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666294107] [2021-03-25 22:06:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:56,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:56,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:56,852 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:56,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:56,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:56,867 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:56,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:56,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:56,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:56,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:56,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:56,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666294107] [2021-03-25 22:06:56,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:56,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:56,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137645473] [2021-03-25 22:06:56,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:56,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:56,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:56,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:56,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:56,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 464 transitions, 8179 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) [2021-03-25 22:06:56,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:56,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:56,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:57,581 INFO L129 PetriNetUnfolder]: 643/1252 cut-off events. [2021-03-25 22:06:57,581 INFO L130 PetriNetUnfolder]: For 37457/37488 co-relation queries the response was YES. [2021-03-25 22:06:57,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13759 conditions, 1252 events. 643/1252 cut-off events. For 37457/37488 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7564 event pairs, 125 based on Foata normal form. 13/1262 useless extension candidates. Maximal degree in co-relation 13626. Up to 1074 conditions per place. [2021-03-25 22:06:57,595 INFO L132 encePairwiseOnDemand]: 88/112 looper letters, 366 selfloop transitions, 113 changer transitions 2/489 dead transitions. [2021-03-25 22:06:57,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 489 transitions, 9655 flow [2021-03-25 22:06:57,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:06:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:06:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 518 transitions. [2021-03-25 22:06:57,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2890625 [2021-03-25 22:06:57,597 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 518 transitions. [2021-03-25 22:06:57,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 518 transitions. [2021-03-25 22:06:57,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:57,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 518 transitions. [2021-03-25 22:06:57,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.375) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:57,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 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) [2021-03-25 22:06:57,598 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 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) [2021-03-25 22:06:57,598 INFO L185 Difference]: Start difference. First operand has 338 places, 464 transitions, 8179 flow. Second operand 16 states and 518 transitions. [2021-03-25 22:06:57,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 489 transitions, 9655 flow [2021-03-25 22:06:57,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 489 transitions, 9497 flow, removed 3 selfloop flow, removed 11 redundant places. [2021-03-25 22:06:57,797 INFO L241 Difference]: Finished difference. Result has 350 places, 478 transitions, 8628 flow [2021-03-25 22:06:57,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8021, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8628, PETRI_PLACES=350, PETRI_TRANSITIONS=478} [2021-03-25 22:06:57,798 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 311 predicate places. [2021-03-25 22:06:57,798 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:57,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 478 transitions, 8628 flow [2021-03-25 22:06:57,798 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 478 transitions, 8628 flow [2021-03-25 22:06:57,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 348 places, 478 transitions, 8628 flow [2021-03-25 22:06:57,915 INFO L129 PetriNetUnfolder]: 434/955 cut-off events. [2021-03-25 22:06:57,915 INFO L130 PetriNetUnfolder]: For 32517/32683 co-relation queries the response was YES. [2021-03-25 22:06:57,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10381 conditions, 955 events. 434/955 cut-off events. For 32517/32683 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6359 event pairs, 47 based on Foata normal form. 18/953 useless extension candidates. Maximal degree in co-relation 10243. Up to 396 conditions per place. [2021-03-25 22:06:57,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-25 22:06:57,954 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:06:57,954 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:06:57,954 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-03-25 22:06:57,955 INFO L480 AbstractCegarLoop]: Abstraction has has 348 places, 478 transitions, 8628 flow [2021-03-25 22:06:57,955 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) [2021-03-25 22:06:57,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:57,955 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:57,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-25 22:06:57,955 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:57,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:57,955 INFO L82 PathProgramCache]: Analyzing trace with hash -952186086, now seen corresponding path program 14 times [2021-03-25 22:06:57,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:57,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108522051] [2021-03-25 22:06:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:57,964 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:57,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:57,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:57,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:58,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:58,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:58,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:58,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:58,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:58,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108522051] [2021-03-25 22:06:58,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:58,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:06:58,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146065859] [2021-03-25 22:06:58,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:06:58,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:58,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:06:58,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:06:58,034 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-25 22:06:58,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 478 transitions, 8628 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) [2021-03-25 22:06:58,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:58,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-25 22:06:58,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:58,583 INFO L129 PetriNetUnfolder]: 648/1261 cut-off events. [2021-03-25 22:06:58,583 INFO L130 PetriNetUnfolder]: For 39719/39750 co-relation queries the response was YES. [2021-03-25 22:06:58,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14113 conditions, 1261 events. 648/1261 cut-off events. For 39719/39750 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 7670 event pairs, 116 based on Foata normal form. 13/1271 useless extension candidates. Maximal degree in co-relation 13973. Up to 1112 conditions per place. [2021-03-25 22:06:58,599 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 410 selfloop transitions, 69 changer transitions 3/490 dead transitions. [2021-03-25 22:06:58,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 490 transitions, 9697 flow [2021-03-25 22:06:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:06:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:06:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 416 transitions. [2021-03-25 22:06:58,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2021-03-25 22:06:58,600 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 416 transitions. [2021-03-25 22:06:58,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 416 transitions. [2021-03-25 22:06:58,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:06:58,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 416 transitions. [2021-03-25 22:06:58,601 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) [2021-03-25 22:06:58,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:58,602 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:06:58,602 INFO L185 Difference]: Start difference. First operand has 348 places, 478 transitions, 8628 flow. Second operand 13 states and 416 transitions. [2021-03-25 22:06:58,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 490 transitions, 9697 flow [2021-03-25 22:06:58,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 490 transitions, 9499 flow, removed 67 selfloop flow, removed 6 redundant places. [2021-03-25 22:06:58,873 INFO L241 Difference]: Finished difference. Result has 357 places, 484 transitions, 8631 flow [2021-03-25 22:06:58,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8430, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8631, PETRI_PLACES=357, PETRI_TRANSITIONS=484} [2021-03-25 22:06:58,873 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 318 predicate places. [2021-03-25 22:06:58,873 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:06:58,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 484 transitions, 8631 flow [2021-03-25 22:06:58,874 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 484 transitions, 8631 flow [2021-03-25 22:06:58,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 354 places, 484 transitions, 8631 flow [2021-03-25 22:06:58,995 INFO L129 PetriNetUnfolder]: 444/974 cut-off events. [2021-03-25 22:06:58,995 INFO L130 PetriNetUnfolder]: For 31435/31600 co-relation queries the response was YES. [2021-03-25 22:06:59,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10454 conditions, 974 events. 444/974 cut-off events. For 31435/31600 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6433 event pairs, 31 based on Foata normal form. 19/973 useless extension candidates. Maximal degree in co-relation 10314. Up to 400 conditions per place. [2021-03-25 22:06:59,012 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-25 22:06:59,149 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:06:59,149 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:06:59,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 276 [2021-03-25 22:06:59,150 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 484 transitions, 8633 flow [2021-03-25 22:06:59,150 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) [2021-03-25 22:06:59,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:06:59,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:06:59,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-25 22:06:59,150 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:06:59,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:06:59,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1563579000, now seen corresponding path program 4 times [2021-03-25 22:06:59,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:06:59,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606466511] [2021-03-25 22:06:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:06:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:06:59,159 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:06:59,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:06:59,163 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:06:59,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:59,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:59,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:06:59,179 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:06:59,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:06:59,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:59,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:06:59,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:59,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:59,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:59,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:59,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:59,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:06:59,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:06:59,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:06:59,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:06:59,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:06:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:06:59,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606466511] [2021-03-25 22:06:59,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:06:59,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:06:59,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598130828] [2021-03-25 22:06:59,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:06:59,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:06:59,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:06:59,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:06:59,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:06:59,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 484 transitions, 8633 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) [2021-03-25 22:06:59,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:06:59,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:06:59,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:06:59,985 INFO L129 PetriNetUnfolder]: 664/1302 cut-off events. [2021-03-25 22:06:59,985 INFO L130 PetriNetUnfolder]: For 39488/39519 co-relation queries the response was YES. [2021-03-25 22:06:59,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14400 conditions, 1302 events. 664/1302 cut-off events. For 39488/39519 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8043 event pairs, 76 based on Foata normal form. 13/1312 useless extension candidates. Maximal degree in co-relation 14258. Up to 1073 conditions per place. [2021-03-25 22:07:00,002 INFO L132 encePairwiseOnDemand]: 89/114 looper letters, 375 selfloop transitions, 130 changer transitions 2/515 dead transitions. [2021-03-25 22:07:00,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 515 transitions, 10115 flow [2021-03-25 22:07:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:07:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:07:00,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 417 transitions. [2021-03-25 22:07:00,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3048245614035088 [2021-03-25 22:07:00,003 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 417 transitions. [2021-03-25 22:07:00,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 417 transitions. [2021-03-25 22:07:00,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:00,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 417 transitions. [2021-03-25 22:07:00,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.75) internal successors, (417), 12 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:00,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:00,004 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:00,004 INFO L185 Difference]: Start difference. First operand has 354 places, 484 transitions, 8633 flow. Second operand 12 states and 417 transitions. [2021-03-25 22:07:00,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 515 transitions, 10115 flow [2021-03-25 22:07:00,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 515 transitions, 10000 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-25 22:07:00,244 INFO L241 Difference]: Finished difference. Result has 362 places, 502 transitions, 9158 flow [2021-03-25 22:07:00,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=8518, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9158, PETRI_PLACES=362, PETRI_TRANSITIONS=502} [2021-03-25 22:07:00,245 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 323 predicate places. [2021-03-25 22:07:00,245 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:00,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 502 transitions, 9158 flow [2021-03-25 22:07:00,245 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 502 transitions, 9158 flow [2021-03-25 22:07:00,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 362 places, 502 transitions, 9158 flow [2021-03-25 22:07:00,374 INFO L129 PetriNetUnfolder]: 458/1007 cut-off events. [2021-03-25 22:07:00,374 INFO L130 PetriNetUnfolder]: For 33659/33850 co-relation queries the response was YES. [2021-03-25 22:07:00,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10990 conditions, 1007 events. 458/1007 cut-off events. For 33659/33850 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6687 event pairs, 40 based on Foata normal form. 22/1007 useless extension candidates. Maximal degree in co-relation 10818. Up to 404 conditions per place. [2021-03-25 22:07:00,391 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-25 22:07:00,419 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:00,419 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:00,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174 [2021-03-25 22:07:00,419 INFO L480 AbstractCegarLoop]: Abstraction has has 362 places, 502 transitions, 9158 flow [2021-03-25 22:07:00,419 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) [2021-03-25 22:07:00,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:00,419 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:00,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-25 22:07:00,420 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:00,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:00,420 INFO L82 PathProgramCache]: Analyzing trace with hash -245868356, now seen corresponding path program 5 times [2021-03-25 22:07:00,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:00,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341681420] [2021-03-25 22:07:00,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:00,429 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:00,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:00,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:00,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:00,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:00,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:00,448 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:00,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:00,466 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:00,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:00,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:00,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:00,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:00,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:00,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:00,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:00,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:00,528 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:00,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:00,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341681420] [2021-03-25 22:07:00,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:00,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:00,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926052741] [2021-03-25 22:07:00,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:00,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:00,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:00,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:00,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:00,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 502 transitions, 9158 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) [2021-03-25 22:07:00,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:00,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:00,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:01,311 INFO L129 PetriNetUnfolder]: 669/1321 cut-off events. [2021-03-25 22:07:01,311 INFO L130 PetriNetUnfolder]: For 43700/43731 co-relation queries the response was YES. [2021-03-25 22:07:01,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15052 conditions, 1321 events. 669/1321 cut-off events. For 43700/43731 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8157 event pairs, 123 based on Foata normal form. 13/1331 useless extension candidates. Maximal degree in co-relation 14888. Up to 1096 conditions per place. [2021-03-25 22:07:01,329 INFO L132 encePairwiseOnDemand]: 89/114 looper letters, 383 selfloop transitions, 133 changer transitions 4/528 dead transitions. [2021-03-25 22:07:01,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 528 transitions, 10836 flow [2021-03-25 22:07:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:07:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:07:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 577 transitions. [2021-03-25 22:07:01,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28118908382066277 [2021-03-25 22:07:01,330 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 577 transitions. [2021-03-25 22:07:01,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 577 transitions. [2021-03-25 22:07:01,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:01,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 577 transitions. [2021-03-25 22:07:01,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.05555555555556) internal successors, (577), 18 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:01,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 114.0) internal successors, (2166), 19 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:01,332 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 114.0) internal successors, (2166), 19 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:01,332 INFO L185 Difference]: Start difference. First operand has 362 places, 502 transitions, 9158 flow. Second operand 18 states and 577 transitions. [2021-03-25 22:07:01,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 528 transitions, 10836 flow [2021-03-25 22:07:01,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 528 transitions, 10716 flow, removed 39 selfloop flow, removed 2 redundant places. [2021-03-25 22:07:01,602 INFO L241 Difference]: Finished difference. Result has 386 places, 514 transitions, 9756 flow [2021-03-25 22:07:01,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=9040, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9756, PETRI_PLACES=386, PETRI_TRANSITIONS=514} [2021-03-25 22:07:01,602 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 347 predicate places. [2021-03-25 22:07:01,603 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:01,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 514 transitions, 9756 flow [2021-03-25 22:07:01,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 514 transitions, 9756 flow [2021-03-25 22:07:01,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 383 places, 514 transitions, 9756 flow [2021-03-25 22:07:01,777 INFO L129 PetriNetUnfolder]: 465/1022 cut-off events. [2021-03-25 22:07:01,777 INFO L130 PetriNetUnfolder]: For 38414/38588 co-relation queries the response was YES. [2021-03-25 22:07:01,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11616 conditions, 1022 events. 465/1022 cut-off events. For 38414/38588 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6811 event pairs, 33 based on Foata normal form. 24/1023 useless extension candidates. Maximal degree in co-relation 11463. Up to 413 conditions per place. [2021-03-25 22:07:01,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-25 22:07:01,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:01,829 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:01,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 226 [2021-03-25 22:07:01,829 INFO L480 AbstractCegarLoop]: Abstraction has has 383 places, 514 transitions, 9756 flow [2021-03-25 22:07:01,829 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) [2021-03-25 22:07:01,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:01,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:01,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-25 22:07:01,829 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:01,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1842423295, now seen corresponding path program 1 times [2021-03-25 22:07:01,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:01,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629627978] [2021-03-25 22:07:01,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:01,846 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:01,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:01,851 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:01,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:01,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:01,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:01,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:01,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:01,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:01,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629627978] [2021-03-25 22:07:01,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:01,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:01,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651852868] [2021-03-25 22:07:01,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:01,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:01,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:01,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:01,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:01,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 514 transitions, 9756 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) [2021-03-25 22:07:01,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:01,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:01,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:02,602 INFO L129 PetriNetUnfolder]: 701/1377 cut-off events. [2021-03-25 22:07:02,603 INFO L130 PetriNetUnfolder]: For 48516/48547 co-relation queries the response was YES. [2021-03-25 22:07:02,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16088 conditions, 1377 events. 701/1377 cut-off events. For 48516/48547 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8589 event pairs, 106 based on Foata normal form. 13/1387 useless extension candidates. Maximal degree in co-relation 15933. Up to 1051 conditions per place. [2021-03-25 22:07:02,623 INFO L132 encePairwiseOnDemand]: 83/114 looper letters, 310 selfloop transitions, 229 changer transitions 9/556 dead transitions. [2021-03-25 22:07:02,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 556 transitions, 11664 flow [2021-03-25 22:07:02,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-25 22:07:02,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2912280701754386 [2021-03-25 22:07:02,624 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-25 22:07:02,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-25 22:07:02,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:02,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-25 22:07:02,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 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) [2021-03-25 22:07:02,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:02,625 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:02,625 INFO L185 Difference]: Start difference. First operand has 383 places, 514 transitions, 9756 flow. Second operand 15 states and 498 transitions. [2021-03-25 22:07:02,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 556 transitions, 11664 flow [2021-03-25 22:07:02,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 556 transitions, 11378 flow, removed 112 selfloop flow, removed 6 redundant places. [2021-03-25 22:07:02,932 INFO L241 Difference]: Finished difference. Result has 399 places, 535 transitions, 10579 flow [2021-03-25 22:07:02,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=9476, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10579, PETRI_PLACES=399, PETRI_TRANSITIONS=535} [2021-03-25 22:07:02,933 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 360 predicate places. [2021-03-25 22:07:02,933 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:02,933 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 535 transitions, 10579 flow [2021-03-25 22:07:02,933 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 535 transitions, 10579 flow [2021-03-25 22:07:02,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 535 transitions, 10579 flow [2021-03-25 22:07:03,075 INFO L129 PetriNetUnfolder]: 478/1058 cut-off events. [2021-03-25 22:07:03,075 INFO L130 PetriNetUnfolder]: For 38372/38611 co-relation queries the response was YES. [2021-03-25 22:07:03,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12223 conditions, 1058 events. 478/1058 cut-off events. For 38372/38611 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7245 event pairs, 43 based on Foata normal form. 37/1079 useless extension candidates. Maximal degree in co-relation 12064. Up to 421 conditions per place. [2021-03-25 22:07:03,094 INFO L142 LiptonReduction]: Number of co-enabled transitions 552 [2021-03-25 22:07:03,124 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:03,124 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:03,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-25 22:07:03,124 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 535 transitions, 10579 flow [2021-03-25 22:07:03,124 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) [2021-03-25 22:07:03,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:03,125 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:03,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-25 22:07:03,125 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:03,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash -78037788, now seen corresponding path program 2 times [2021-03-25 22:07:03,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:03,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223985938] [2021-03-25 22:07:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:03,137 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:03,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:03,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:03,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:03,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:03,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:03,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:03,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:03,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:03,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:03,180 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:03,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:03,199 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:07:03,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:07:03,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:03,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:03,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:03,230 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:03,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:03,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223985938] [2021-03-25 22:07:03,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:03,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:03,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272467064] [2021-03-25 22:07:03,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:03,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:03,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:03,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:03,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:03,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 535 transitions, 10579 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) [2021-03-25 22:07:03,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:03,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:03,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:03,920 INFO L129 PetriNetUnfolder]: 697/1374 cut-off events. [2021-03-25 22:07:03,921 INFO L130 PetriNetUnfolder]: For 46011/46020 co-relation queries the response was YES. [2021-03-25 22:07:03,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16490 conditions, 1374 events. 697/1374 cut-off events. For 46011/46020 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8585 event pairs, 124 based on Foata normal form. 6/1377 useless extension candidates. Maximal degree in co-relation 16324. Up to 1200 conditions per place. [2021-03-25 22:07:03,939 INFO L132 encePairwiseOnDemand]: 92/114 looper letters, 439 selfloop transitions, 97 changer transitions 1/545 dead transitions. [2021-03-25 22:07:03,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 545 transitions, 11861 flow [2021-03-25 22:07:03,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 486 transitions. [2021-03-25 22:07:03,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28421052631578947 [2021-03-25 22:07:03,940 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 486 transitions. [2021-03-25 22:07:03,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 486 transitions. [2021-03-25 22:07:03,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:03,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 486 transitions. [2021-03-25 22:07:03,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.4) internal successors, (486), 15 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:03,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:03,942 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:03,942 INFO L185 Difference]: Start difference. First operand has 395 places, 535 transitions, 10579 flow. Second operand 15 states and 486 transitions. [2021-03-25 22:07:03,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 545 transitions, 11861 flow [2021-03-25 22:07:04,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 545 transitions, 11601 flow, removed 17 selfloop flow, removed 7 redundant places. [2021-03-25 22:07:04,260 INFO L241 Difference]: Finished difference. Result has 405 places, 536 transitions, 10566 flow [2021-03-25 22:07:04,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10321, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10566, PETRI_PLACES=405, PETRI_TRANSITIONS=536} [2021-03-25 22:07:04,260 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 366 predicate places. [2021-03-25 22:07:04,260 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:04,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 536 transitions, 10566 flow [2021-03-25 22:07:04,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 536 transitions, 10566 flow [2021-03-25 22:07:04,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 536 transitions, 10566 flow [2021-03-25 22:07:04,408 INFO L129 PetriNetUnfolder]: 484/1077 cut-off events. [2021-03-25 22:07:04,408 INFO L130 PetriNetUnfolder]: For 37873/38132 co-relation queries the response was YES. [2021-03-25 22:07:04,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12273 conditions, 1077 events. 484/1077 cut-off events. For 37873/38132 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 7363 event pairs, 49 based on Foata normal form. 30/1086 useless extension candidates. Maximal degree in co-relation 12099. Up to 432 conditions per place. [2021-03-25 22:07:04,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-25 22:07:04,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:04,458 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:04,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-03-25 22:07:04,459 INFO L480 AbstractCegarLoop]: Abstraction has has 405 places, 536 transitions, 10566 flow [2021-03-25 22:07:04,459 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) [2021-03-25 22:07:04,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:04,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:04,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-25 22:07:04,459 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:04,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:04,459 INFO L82 PathProgramCache]: Analyzing trace with hash 670435433, now seen corresponding path program 5 times [2021-03-25 22:07:04,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:04,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729365798] [2021-03-25 22:07:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:04,469 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:04,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:04,473 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:04,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:04,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:04,498 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:04,517 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:07:04,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:07:04,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:04,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:04,547 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:04,558 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:04,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729365798] [2021-03-25 22:07:04,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:04,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:04,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058922772] [2021-03-25 22:07:04,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:04,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:04,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:04,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:04,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:04,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 536 transitions, 10566 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) [2021-03-25 22:07:04,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:04,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:04,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:05,213 INFO L129 PetriNetUnfolder]: 696/1384 cut-off events. [2021-03-25 22:07:05,213 INFO L130 PetriNetUnfolder]: For 45365/45396 co-relation queries the response was YES. [2021-03-25 22:07:05,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16382 conditions, 1384 events. 696/1384 cut-off events. For 45365/45396 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8675 event pairs, 113 based on Foata normal form. 16/1398 useless extension candidates. Maximal degree in co-relation 16198. Up to 1177 conditions per place. [2021-03-25 22:07:05,233 INFO L132 encePairwiseOnDemand]: 91/114 looper letters, 424 selfloop transitions, 108 changer transitions 7/547 dead transitions. [2021-03-25 22:07:05,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 547 transitions, 11827 flow [2021-03-25 22:07:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:07:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:07:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 432 transitions. [2021-03-25 22:07:05,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.291497975708502 [2021-03-25 22:07:05,234 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 432 transitions. [2021-03-25 22:07:05,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 432 transitions. [2021-03-25 22:07:05,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:05,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 432 transitions. [2021-03-25 22:07:05,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.23076923076923) internal successors, (432), 13 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) [2021-03-25 22:07:05,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:05,236 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:05,236 INFO L185 Difference]: Start difference. First operand has 405 places, 536 transitions, 10566 flow. Second operand 13 states and 432 transitions. [2021-03-25 22:07:05,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 547 transitions, 11827 flow [2021-03-25 22:07:05,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 547 transitions, 11623 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-25 22:07:05,542 INFO L241 Difference]: Finished difference. Result has 407 places, 532 transitions, 10551 flow [2021-03-25 22:07:05,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10362, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10551, PETRI_PLACES=407, PETRI_TRANSITIONS=532} [2021-03-25 22:07:05,542 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 368 predicate places. [2021-03-25 22:07:05,542 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:05,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 532 transitions, 10551 flow [2021-03-25 22:07:05,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 532 transitions, 10551 flow [2021-03-25 22:07:05,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 532 transitions, 10551 flow [2021-03-25 22:07:05,695 INFO L129 PetriNetUnfolder]: 468/1056 cut-off events. [2021-03-25 22:07:05,695 INFO L130 PetriNetUnfolder]: For 35979/36220 co-relation queries the response was YES. [2021-03-25 22:07:05,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12089 conditions, 1056 events. 468/1056 cut-off events. For 35979/36220 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7154 event pairs, 30 based on Foata normal form. 33/1079 useless extension candidates. Maximal degree in co-relation 11924. Up to 420 conditions per place. [2021-03-25 22:07:05,745 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-25 22:07:05,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:05,775 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:05,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-25 22:07:05,775 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 532 transitions, 10551 flow [2021-03-25 22:07:05,775 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) [2021-03-25 22:07:05,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:05,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:05,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-25 22:07:05,776 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:05,776 INFO L82 PathProgramCache]: Analyzing trace with hash -646911163, now seen corresponding path program 6 times [2021-03-25 22:07:05,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:05,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289167465] [2021-03-25 22:07:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:05,785 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:05,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:05,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:05,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:05,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:05,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:05,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:05,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:05,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:05,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:05,815 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:05,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:05,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:05,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:05,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:05,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:05,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:05,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:05,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:05,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:05,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289167465] [2021-03-25 22:07:05,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:05,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:05,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507086822] [2021-03-25 22:07:05,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:05,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:05,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:05,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:05,877 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:05,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 532 transitions, 10551 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) [2021-03-25 22:07:05,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:05,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:05,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:06,664 INFO L129 PetriNetUnfolder]: 694/1371 cut-off events. [2021-03-25 22:07:06,664 INFO L130 PetriNetUnfolder]: For 46540/46584 co-relation queries the response was YES. [2021-03-25 22:07:06,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16355 conditions, 1371 events. 694/1371 cut-off events. For 46540/46584 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8520 event pairs, 145 based on Foata normal form. 14/1381 useless extension candidates. Maximal degree in co-relation 16187. Up to 1194 conditions per place. [2021-03-25 22:07:06,695 INFO L132 encePairwiseOnDemand]: 91/114 looper letters, 427 selfloop transitions, 95 changer transitions 6/536 dead transitions. [2021-03-25 22:07:06,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 536 transitions, 11669 flow [2021-03-25 22:07:06,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:07:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:07:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 367 transitions. [2021-03-25 22:07:06,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2926634768740032 [2021-03-25 22:07:06,697 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 367 transitions. [2021-03-25 22:07:06,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 367 transitions. [2021-03-25 22:07:06,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:06,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 367 transitions. [2021-03-25 22:07:06,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.36363636363637) internal successors, (367), 11 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:06,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:06,698 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:06,698 INFO L185 Difference]: Start difference. First operand has 401 places, 532 transitions, 10551 flow. Second operand 11 states and 367 transitions. [2021-03-25 22:07:06,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 536 transitions, 11669 flow [2021-03-25 22:07:07,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 536 transitions, 11447 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-25 22:07:07,014 INFO L241 Difference]: Finished difference. Result has 402 places, 526 transitions, 10420 flow [2021-03-25 22:07:07,015 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10329, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10420, PETRI_PLACES=402, PETRI_TRANSITIONS=526} [2021-03-25 22:07:07,015 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-25 22:07:07,015 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:07,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 526 transitions, 10420 flow [2021-03-25 22:07:07,015 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 526 transitions, 10420 flow [2021-03-25 22:07:07,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 526 transitions, 10420 flow [2021-03-25 22:07:07,176 INFO L129 PetriNetUnfolder]: 474/1048 cut-off events. [2021-03-25 22:07:07,176 INFO L130 PetriNetUnfolder]: For 36795/37103 co-relation queries the response was YES. [2021-03-25 22:07:07,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12083 conditions, 1048 events. 474/1048 cut-off events. For 36795/37103 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 7026 event pairs, 47 based on Foata normal form. 36/1062 useless extension candidates. Maximal degree in co-relation 11920. Up to 422 conditions per place. [2021-03-25 22:07:07,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-25 22:07:07,225 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:07,226 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:07,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-03-25 22:07:07,226 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 526 transitions, 10420 flow [2021-03-25 22:07:07,226 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) [2021-03-25 22:07:07,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:07,226 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:07,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-25 22:07:07,226 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:07,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:07,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1578803321, now seen corresponding path program 2 times [2021-03-25 22:07:07,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:07,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706111258] [2021-03-25 22:07:07,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:07,235 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:07,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:07,239 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:07,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:07,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:07,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:07,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:07,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:07,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:07,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:07,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:07,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:07,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706111258] [2021-03-25 22:07:07,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:07,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:07,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676379612] [2021-03-25 22:07:07,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:07,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:07,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:07,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:07,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:07,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 526 transitions, 10420 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) [2021-03-25 22:07:07,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:07,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:07,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:07,972 INFO L129 PetriNetUnfolder]: 693/1369 cut-off events. [2021-03-25 22:07:07,972 INFO L130 PetriNetUnfolder]: For 46080/46111 co-relation queries the response was YES. [2021-03-25 22:07:07,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16326 conditions, 1369 events. 693/1369 cut-off events. For 46080/46111 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8538 event pairs, 107 based on Foata normal form. 13/1379 useless extension candidates. Maximal degree in co-relation 16160. Up to 1004 conditions per place. [2021-03-25 22:07:07,991 INFO L132 encePairwiseOnDemand]: 82/114 looper letters, 274 selfloop transitions, 259 changer transitions 4/545 dead transitions. [2021-03-25 22:07:07,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 545 transitions, 11896 flow [2021-03-25 22:07:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:07:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:07:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 475 transitions. [2021-03-25 22:07:07,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2976190476190476 [2021-03-25 22:07:07,993 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 475 transitions. [2021-03-25 22:07:07,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 475 transitions. [2021-03-25 22:07:07,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:07,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 475 transitions. [2021-03-25 22:07:07,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.92857142857143) internal successors, (475), 14 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) [2021-03-25 22:07:07,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 114.0) internal successors, (1710), 15 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:07,994 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 114.0) internal successors, (1710), 15 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:07,994 INFO L185 Difference]: Start difference. First operand has 395 places, 526 transitions, 10420 flow. Second operand 14 states and 475 transitions. [2021-03-25 22:07:07,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 545 transitions, 11896 flow [2021-03-25 22:07:08,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 545 transitions, 11508 flow, removed 51 selfloop flow, removed 13 redundant places. [2021-03-25 22:07:08,323 INFO L241 Difference]: Finished difference. Result has 398 places, 527 transitions, 10663 flow [2021-03-25 22:07:08,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10062, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10663, PETRI_PLACES=398, PETRI_TRANSITIONS=527} [2021-03-25 22:07:08,323 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 359 predicate places. [2021-03-25 22:07:08,323 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:08,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 527 transitions, 10663 flow [2021-03-25 22:07:08,324 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 527 transitions, 10663 flow [2021-03-25 22:07:08,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 527 transitions, 10663 flow [2021-03-25 22:07:08,466 INFO L129 PetriNetUnfolder]: 479/1065 cut-off events. [2021-03-25 22:07:08,467 INFO L130 PetriNetUnfolder]: For 36187/36406 co-relation queries the response was YES. [2021-03-25 22:07:08,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12232 conditions, 1065 events. 479/1065 cut-off events. For 36187/36406 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7287 event pairs, 30 based on Foata normal form. 23/1065 useless extension candidates. Maximal degree in co-relation 12071. Up to 430 conditions per place. [2021-03-25 22:07:08,486 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-25 22:07:08,515 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:08,515 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:08,515 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-25 22:07:08,515 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 527 transitions, 10663 flow [2021-03-25 22:07:08,515 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) [2021-03-25 22:07:08,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:08,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:08,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-25 22:07:08,516 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash -505177272, now seen corresponding path program 6 times [2021-03-25 22:07:08,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:08,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531065011] [2021-03-25 22:07:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:08,528 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:08,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:08,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:08,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:08,549 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:08,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:08,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:08,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:08,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:08,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:08,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:08,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:08,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:08,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:08,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:08,601 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:08,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:08,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531065011] [2021-03-25 22:07:08,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:08,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:07:08,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388055583] [2021-03-25 22:07:08,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:07:08,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:08,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:07:08,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:07:08,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:08,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 527 transitions, 10663 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) [2021-03-25 22:07:08,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:08,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:08,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:09,246 INFO L129 PetriNetUnfolder]: 691/1371 cut-off events. [2021-03-25 22:07:09,246 INFO L130 PetriNetUnfolder]: For 44998/45029 co-relation queries the response was YES. [2021-03-25 22:07:09,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16227 conditions, 1371 events. 691/1371 cut-off events. For 44998/45029 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8581 event pairs, 110 based on Foata normal form. 16/1385 useless extension candidates. Maximal degree in co-relation 16063. Up to 1138 conditions per place. [2021-03-25 22:07:09,265 INFO L132 encePairwiseOnDemand]: 89/114 looper letters, 387 selfloop transitions, 140 changer transitions 3/538 dead transitions. [2021-03-25 22:07:09,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 538 transitions, 11897 flow [2021-03-25 22:07:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:07:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:07:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 384 transitions. [2021-03-25 22:07:09,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3062200956937799 [2021-03-25 22:07:09,266 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 384 transitions. [2021-03-25 22:07:09,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 384 transitions. [2021-03-25 22:07:09,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:09,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 384 transitions. [2021-03-25 22:07:09,267 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) [2021-03-25 22:07:09,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:09,268 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:09,268 INFO L185 Difference]: Start difference. First operand has 396 places, 527 transitions, 10663 flow. Second operand 11 states and 384 transitions. [2021-03-25 22:07:09,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 538 transitions, 11897 flow [2021-03-25 22:07:09,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 538 transitions, 11404 flow, removed 24 selfloop flow, removed 10 redundant places. [2021-03-25 22:07:09,554 INFO L241 Difference]: Finished difference. Result has 399 places, 528 transitions, 10514 flow [2021-03-25 22:07:09,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10170, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10514, PETRI_PLACES=399, PETRI_TRANSITIONS=528} [2021-03-25 22:07:09,554 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 360 predicate places. [2021-03-25 22:07:09,554 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:09,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 528 transitions, 10514 flow [2021-03-25 22:07:09,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 528 transitions, 10514 flow [2021-03-25 22:07:09,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 528 transitions, 10514 flow [2021-03-25 22:07:09,699 INFO L129 PetriNetUnfolder]: 468/1056 cut-off events. [2021-03-25 22:07:09,699 INFO L130 PetriNetUnfolder]: For 35069/35243 co-relation queries the response was YES. [2021-03-25 22:07:09,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12056 conditions, 1056 events. 468/1056 cut-off events. For 35069/35243 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 7251 event pairs, 38 based on Foata normal form. 33/1072 useless extension candidates. Maximal degree in co-relation 11894. Up to 417 conditions per place. [2021-03-25 22:07:09,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-25 22:07:09,748 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:09,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:09,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-25 22:07:09,748 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 528 transitions, 10514 flow [2021-03-25 22:07:09,748 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) [2021-03-25 22:07:09,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:09,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:09,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-25 22:07:09,749 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:09,749 INFO L82 PathProgramCache]: Analyzing trace with hash -684011688, now seen corresponding path program 1 times [2021-03-25 22:07:09,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:09,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405902727] [2021-03-25 22:07:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:09,759 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:09,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:09,764 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:09,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:09,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:09,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:09,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:09,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:09,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:09,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:09,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:09,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:09,818 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:09,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:09,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:09,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:09,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405902727] [2021-03-25 22:07:09,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:09,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:07:09,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498739978] [2021-03-25 22:07:09,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:07:09,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:09,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:07:09,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:07:09,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:09,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 528 transitions, 10514 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) [2021-03-25 22:07:09,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:09,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:09,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:10,445 INFO L129 PetriNetUnfolder]: 690/1371 cut-off events. [2021-03-25 22:07:10,445 INFO L130 PetriNetUnfolder]: For 44488/44524 co-relation queries the response was YES. [2021-03-25 22:07:10,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16134 conditions, 1371 events. 690/1371 cut-off events. For 44488/44524 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8565 event pairs, 141 based on Foata normal form. 18/1386 useless extension candidates. Maximal degree in co-relation 15969. Up to 1207 conditions per place. [2021-03-25 22:07:10,462 INFO L132 encePairwiseOnDemand]: 95/114 looper letters, 454 selfloop transitions, 67 changer transitions 2/531 dead transitions. [2021-03-25 22:07:10,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 531 transitions, 11578 flow [2021-03-25 22:07:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:07:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:07:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 388 transitions. [2021-03-25 22:07:10,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28362573099415206 [2021-03-25 22:07:10,463 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 388 transitions. [2021-03-25 22:07:10,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 388 transitions. [2021-03-25 22:07:10,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:10,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 388 transitions. [2021-03-25 22:07:10,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.333333333333336) internal successors, (388), 12 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) [2021-03-25 22:07:10,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:10,464 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:10,464 INFO L185 Difference]: Start difference. First operand has 398 places, 528 transitions, 10514 flow. Second operand 12 states and 388 transitions. [2021-03-25 22:07:10,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 531 transitions, 11578 flow [2021-03-25 22:07:10,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 531 transitions, 11316 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-03-25 22:07:10,739 INFO L241 Difference]: Finished difference. Result has 402 places, 527 transitions, 10409 flow [2021-03-25 22:07:10,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10252, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10409, PETRI_PLACES=402, PETRI_TRANSITIONS=527} [2021-03-25 22:07:10,740 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-25 22:07:10,740 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:10,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 527 transitions, 10409 flow [2021-03-25 22:07:10,740 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 527 transitions, 10409 flow [2021-03-25 22:07:10,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 527 transitions, 10409 flow [2021-03-25 22:07:10,882 INFO L129 PetriNetUnfolder]: 469/1055 cut-off events. [2021-03-25 22:07:10,882 INFO L130 PetriNetUnfolder]: For 36975/37190 co-relation queries the response was YES. [2021-03-25 22:07:10,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12019 conditions, 1055 events. 469/1055 cut-off events. For 36975/37190 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7225 event pairs, 32 based on Foata normal form. 33/1069 useless extension candidates. Maximal degree in co-relation 11860. Up to 423 conditions per place. [2021-03-25 22:07:10,901 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-25 22:07:10,931 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:10,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:10,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-25 22:07:10,931 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 527 transitions, 10409 flow [2021-03-25 22:07:10,931 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) [2021-03-25 22:07:10,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:10,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:10,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-25 22:07:10,932 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:10,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:10,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1891422610, now seen corresponding path program 2 times [2021-03-25 22:07:10,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:10,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847372097] [2021-03-25 22:07:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:10,939 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:10,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:10,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:10,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:10,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:10,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:10,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:10,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:10,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:10,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:10,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:10,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:10,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:11,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:11,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:11,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847372097] [2021-03-25 22:07:11,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:11,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:11,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513008733] [2021-03-25 22:07:11,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:11,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:11,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:11,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:11,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:11,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 527 transitions, 10409 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) [2021-03-25 22:07:11,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:11,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:11,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:11,786 INFO L129 PetriNetUnfolder]: 689/1366 cut-off events. [2021-03-25 22:07:11,786 INFO L130 PetriNetUnfolder]: For 43907/43938 co-relation queries the response was YES. [2021-03-25 22:07:11,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16025 conditions, 1366 events. 689/1366 cut-off events. For 43907/43938 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8514 event pairs, 141 based on Foata normal form. 13/1376 useless extension candidates. Maximal degree in co-relation 15864. Up to 1205 conditions per place. [2021-03-25 22:07:11,806 INFO L132 encePairwiseOnDemand]: 95/114 looper letters, 453 selfloop transitions, 65 changer transitions 3/529 dead transitions. [2021-03-25 22:07:11,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 529 transitions, 11462 flow [2021-03-25 22:07:11,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:07:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:07:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 413 transitions. [2021-03-25 22:07:11,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2786774628879892 [2021-03-25 22:07:11,808 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 413 transitions. [2021-03-25 22:07:11,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 413 transitions. [2021-03-25 22:07:11,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:11,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 413 transitions. [2021-03-25 22:07:11,809 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) [2021-03-25 22:07:11,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:11,809 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:11,809 INFO L185 Difference]: Start difference. First operand has 401 places, 527 transitions, 10409 flow. Second operand 13 states and 413 transitions. [2021-03-25 22:07:11,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 529 transitions, 11462 flow [2021-03-25 22:07:12,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 529 transitions, 11295 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-25 22:07:12,106 INFO L241 Difference]: Finished difference. Result has 402 places, 524 transitions, 10327 flow [2021-03-25 22:07:12,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10242, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10327, PETRI_PLACES=402, PETRI_TRANSITIONS=524} [2021-03-25 22:07:12,106 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-25 22:07:12,106 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:12,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 524 transitions, 10327 flow [2021-03-25 22:07:12,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 524 transitions, 10327 flow [2021-03-25 22:07:12,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 524 transitions, 10327 flow [2021-03-25 22:07:12,251 INFO L129 PetriNetUnfolder]: 469/1052 cut-off events. [2021-03-25 22:07:12,251 INFO L130 PetriNetUnfolder]: For 37479/37706 co-relation queries the response was YES. [2021-03-25 22:07:12,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12047 conditions, 1052 events. 469/1052 cut-off events. For 37479/37706 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7155 event pairs, 32 based on Foata normal form. 37/1066 useless extension candidates. Maximal degree in co-relation 11886. Up to 425 conditions per place. [2021-03-25 22:07:12,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-25 22:07:12,300 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:12,300 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:12,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-25 22:07:12,300 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 524 transitions, 10327 flow [2021-03-25 22:07:12,300 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) [2021-03-25 22:07:12,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:12,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:12,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-25 22:07:12,301 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:12,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:12,301 INFO L82 PathProgramCache]: Analyzing trace with hash -195425712, now seen corresponding path program 15 times [2021-03-25 22:07:12,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:12,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640852457] [2021-03-25 22:07:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:12,309 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:12,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:12,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:12,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:12,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:12,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:12,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:12,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:12,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:12,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:12,399 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:12,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:12,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640852457] [2021-03-25 22:07:12,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:12,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:12,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683975775] [2021-03-25 22:07:12,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:12,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:12,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:12,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:12,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:12,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 524 transitions, 10327 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) [2021-03-25 22:07:12,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:12,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:12,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:13,185 INFO L129 PetriNetUnfolder]: 688/1363 cut-off events. [2021-03-25 22:07:13,185 INFO L130 PetriNetUnfolder]: For 43723/43754 co-relation queries the response was YES. [2021-03-25 22:07:13,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15973 conditions, 1363 events. 688/1363 cut-off events. For 43723/43754 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8490 event pairs, 141 based on Foata normal form. 13/1373 useless extension candidates. Maximal degree in co-relation 15809. Up to 1197 conditions per place. [2021-03-25 22:07:13,207 INFO L132 encePairwiseOnDemand]: 96/114 looper letters, 448 selfloop transitions, 69 changer transitions 3/528 dead transitions. [2021-03-25 22:07:13,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 528 transitions, 11401 flow [2021-03-25 22:07:13,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 471 transitions. [2021-03-25 22:07:13,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2754385964912281 [2021-03-25 22:07:13,208 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 471 transitions. [2021-03-25 22:07:13,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 471 transitions. [2021-03-25 22:07:13,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:13,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 471 transitions. [2021-03-25 22:07:13,209 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) [2021-03-25 22:07:13,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:13,210 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:13,210 INFO L185 Difference]: Start difference. First operand has 398 places, 524 transitions, 10327 flow. Second operand 15 states and 471 transitions. [2021-03-25 22:07:13,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 528 transitions, 11401 flow [2021-03-25 22:07:13,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 528 transitions, 11245 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-25 22:07:13,537 INFO L241 Difference]: Finished difference. Result has 402 places, 522 transitions, 10287 flow [2021-03-25 22:07:13,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10173, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10287, PETRI_PLACES=402, PETRI_TRANSITIONS=522} [2021-03-25 22:07:13,537 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-25 22:07:13,537 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:13,538 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 522 transitions, 10287 flow [2021-03-25 22:07:13,538 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 522 transitions, 10287 flow [2021-03-25 22:07:13,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 522 transitions, 10287 flow [2021-03-25 22:07:13,763 INFO L129 PetriNetUnfolder]: 471/1052 cut-off events. [2021-03-25 22:07:13,763 INFO L130 PetriNetUnfolder]: For 37512/37723 co-relation queries the response was YES. [2021-03-25 22:07:13,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12014 conditions, 1052 events. 471/1052 cut-off events. For 37512/37723 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7177 event pairs, 48 based on Foata normal form. 36/1066 useless extension candidates. Maximal degree in co-relation 11853. Up to 427 conditions per place. [2021-03-25 22:07:13,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-25 22:07:13,813 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:13,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:13,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 276 [2021-03-25 22:07:13,813 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 522 transitions, 10287 flow [2021-03-25 22:07:13,813 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) [2021-03-25 22:07:13,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:13,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:13,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-25 22:07:13,814 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:13,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1956283094, now seen corresponding path program 16 times [2021-03-25 22:07:13,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:13,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768571141] [2021-03-25 22:07:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:13,822 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:13,826 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:13,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:13,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:13,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:13,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:13,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:13,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:13,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768571141] [2021-03-25 22:07:13,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:13,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:13,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021592763] [2021-03-25 22:07:13,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:13,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:13,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:13,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:13,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:13,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 522 transitions, 10287 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) [2021-03-25 22:07:13,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:13,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:13,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:14,495 INFO L129 PetriNetUnfolder]: 687/1360 cut-off events. [2021-03-25 22:07:14,495 INFO L130 PetriNetUnfolder]: For 43455/43491 co-relation queries the response was YES. [2021-03-25 22:07:14,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15947 conditions, 1360 events. 687/1360 cut-off events. For 43455/43491 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8460 event pairs, 116 based on Foata normal form. 18/1375 useless extension candidates. Maximal degree in co-relation 15783. Up to 1222 conditions per place. [2021-03-25 22:07:14,514 INFO L132 encePairwiseOnDemand]: 97/114 looper letters, 474 selfloop transitions, 44 changer transitions 3/529 dead transitions. [2021-03-25 22:07:14,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 529 transitions, 11414 flow [2021-03-25 22:07:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:07:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:07:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 378 transitions. [2021-03-25 22:07:14,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27631578947368424 [2021-03-25 22:07:14,515 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 378 transitions. [2021-03-25 22:07:14,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 378 transitions. [2021-03-25 22:07:14,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:14,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 378 transitions. [2021-03-25 22:07:14,516 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) [2021-03-25 22:07:14,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:14,516 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:14,516 INFO L185 Difference]: Start difference. First operand has 398 places, 522 transitions, 10287 flow. Second operand 12 states and 378 transitions. [2021-03-25 22:07:14,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 529 transitions, 11414 flow [2021-03-25 22:07:14,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 529 transitions, 11262 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-25 22:07:14,809 INFO L241 Difference]: Finished difference. Result has 397 places, 520 transitions, 10199 flow [2021-03-25 22:07:14,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10143, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10199, PETRI_PLACES=397, PETRI_TRANSITIONS=520} [2021-03-25 22:07:14,810 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-25 22:07:14,810 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:14,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 520 transitions, 10199 flow [2021-03-25 22:07:14,810 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 520 transitions, 10199 flow [2021-03-25 22:07:14,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 520 transitions, 10199 flow [2021-03-25 22:07:14,952 INFO L129 PetriNetUnfolder]: 467/1046 cut-off events. [2021-03-25 22:07:14,952 INFO L130 PetriNetUnfolder]: For 37387/37614 co-relation queries the response was YES. [2021-03-25 22:07:14,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11969 conditions, 1046 events. 467/1046 cut-off events. For 37387/37614 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7070 event pairs, 31 based on Foata normal form. 37/1060 useless extension candidates. Maximal degree in co-relation 11811. Up to 425 conditions per place. [2021-03-25 22:07:14,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-25 22:07:14,999 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:14,999 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:14,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 189 [2021-03-25 22:07:15,000 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 520 transitions, 10199 flow [2021-03-25 22:07:15,000 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) [2021-03-25 22:07:15,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:15,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:15,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-25 22:07:15,000 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:15,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:15,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1051987301, now seen corresponding path program 9 times [2021-03-25 22:07:15,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:15,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321255767] [2021-03-25 22:07:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:15,009 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:15,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:15,013 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:15,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:15,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:15,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:15,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:15,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:15,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:15,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:15,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:15,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321255767] [2021-03-25 22:07:15,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:15,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:15,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989970526] [2021-03-25 22:07:15,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:15,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:15,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:15,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:15,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:15,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 520 transitions, 10199 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) [2021-03-25 22:07:15,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:15,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:15,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:15,777 INFO L129 PetriNetUnfolder]: 686/1358 cut-off events. [2021-03-25 22:07:15,778 INFO L130 PetriNetUnfolder]: For 43928/43937 co-relation queries the response was YES. [2021-03-25 22:07:15,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15924 conditions, 1358 events. 686/1358 cut-off events. For 43928/43937 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8446 event pairs, 141 based on Foata normal form. 6/1361 useless extension candidates. Maximal degree in co-relation 15764. Up to 1191 conditions per place. [2021-03-25 22:07:15,802 INFO L132 encePairwiseOnDemand]: 96/114 looper letters, 449 selfloop transitions, 69 changer transitions 2/528 dead transitions. [2021-03-25 22:07:15,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 528 transitions, 11377 flow [2021-03-25 22:07:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:07:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:07:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 498 transitions. [2021-03-25 22:07:15,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2730263157894737 [2021-03-25 22:07:15,804 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 498 transitions. [2021-03-25 22:07:15,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 498 transitions. [2021-03-25 22:07:15,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:15,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 498 transitions. [2021-03-25 22:07:15,804 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) [2021-03-25 22:07:15,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 114.0) internal successors, (1938), 17 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:15,805 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 114.0) internal successors, (1938), 17 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:15,805 INFO L185 Difference]: Start difference. First operand has 393 places, 520 transitions, 10199 flow. Second operand 16 states and 498 transitions. [2021-03-25 22:07:15,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 528 transitions, 11377 flow [2021-03-25 22:07:16,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 528 transitions, 11260 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-25 22:07:16,101 INFO L241 Difference]: Finished difference. Result has 398 places, 521 transitions, 10283 flow [2021-03-25 22:07:16,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10082, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10283, PETRI_PLACES=398, PETRI_TRANSITIONS=521} [2021-03-25 22:07:16,102 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 359 predicate places. [2021-03-25 22:07:16,102 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:16,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 521 transitions, 10283 flow [2021-03-25 22:07:16,102 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 521 transitions, 10283 flow [2021-03-25 22:07:16,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 521 transitions, 10283 flow [2021-03-25 22:07:16,243 INFO L129 PetriNetUnfolder]: 470/1048 cut-off events. [2021-03-25 22:07:16,243 INFO L130 PetriNetUnfolder]: For 38789/38994 co-relation queries the response was YES. [2021-03-25 22:07:16,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12036 conditions, 1048 events. 470/1048 cut-off events. For 38789/38994 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7149 event pairs, 48 based on Foata normal form. 36/1061 useless extension candidates. Maximal degree in co-relation 11877. Up to 428 conditions per place. [2021-03-25 22:07:16,262 INFO L142 LiptonReduction]: Number of co-enabled transitions 554 [2021-03-25 22:07:16,291 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:16,291 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:16,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 189 [2021-03-25 22:07:16,291 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 521 transitions, 10283 flow [2021-03-25 22:07:16,291 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) [2021-03-25 22:07:16,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:16,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:16,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-25 22:07:16,291 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:16,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:16,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1684950720, now seen corresponding path program 17 times [2021-03-25 22:07:16,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:16,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069653265] [2021-03-25 22:07:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:16,300 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:16,304 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:16,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:16,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:16,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:16,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:16,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:16,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:16,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:16,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:16,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:16,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:16,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069653265] [2021-03-25 22:07:16,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:16,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:07:16,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454031480] [2021-03-25 22:07:16,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:07:16,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:16,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:07:16,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:07:16,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:16,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 521 transitions, 10283 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) [2021-03-25 22:07:16,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:16,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:16,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:16,955 INFO L129 PetriNetUnfolder]: 685/1356 cut-off events. [2021-03-25 22:07:16,955 INFO L130 PetriNetUnfolder]: For 44531/44562 co-relation queries the response was YES. [2021-03-25 22:07:16,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15957 conditions, 1356 events. 685/1356 cut-off events. For 44531/44562 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8424 event pairs, 141 based on Foata normal form. 13/1366 useless extension candidates. Maximal degree in co-relation 15795. Up to 1198 conditions per place. [2021-03-25 22:07:16,974 INFO L132 encePairwiseOnDemand]: 98/114 looper letters, 451 selfloop transitions, 63 changer transitions 2/524 dead transitions. [2021-03-25 22:07:16,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 524 transitions, 11332 flow [2021-03-25 22:07:16,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:07:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:07:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 384 transitions. [2021-03-25 22:07:16,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2021-03-25 22:07:16,975 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 384 transitions. [2021-03-25 22:07:16,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 384 transitions. [2021-03-25 22:07:16,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:16,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 384 transitions. [2021-03-25 22:07:16,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.0) internal successors, (384), 12 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) [2021-03-25 22:07:16,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:16,977 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:16,977 INFO L185 Difference]: Start difference. First operand has 396 places, 521 transitions, 10283 flow. Second operand 12 states and 384 transitions. [2021-03-25 22:07:16,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 524 transitions, 11332 flow [2021-03-25 22:07:17,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 524 transitions, 11146 flow, removed 36 selfloop flow, removed 13 redundant places. [2021-03-25 22:07:17,285 INFO L241 Difference]: Finished difference. Result has 396 places, 520 transitions, 10245 flow [2021-03-25 22:07:17,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10099, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10245, PETRI_PLACES=396, PETRI_TRANSITIONS=520} [2021-03-25 22:07:17,286 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 357 predicate places. [2021-03-25 22:07:17,286 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:17,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 396 places, 520 transitions, 10245 flow [2021-03-25 22:07:17,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 396 places, 520 transitions, 10245 flow [2021-03-25 22:07:17,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 520 transitions, 10245 flow [2021-03-25 22:07:17,448 INFO L129 PetriNetUnfolder]: 471/1053 cut-off events. [2021-03-25 22:07:17,448 INFO L130 PetriNetUnfolder]: For 38009/38201 co-relation queries the response was YES. [2021-03-25 22:07:17,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12111 conditions, 1053 events. 471/1053 cut-off events. For 38009/38201 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7177 event pairs, 32 based on Foata normal form. 35/1065 useless extension candidates. Maximal degree in co-relation 11955. Up to 427 conditions per place. [2021-03-25 22:07:17,467 INFO L142 LiptonReduction]: Number of co-enabled transitions 552 [2021-03-25 22:07:17,496 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:17,496 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:17,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 210 [2021-03-25 22:07:17,497 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 520 transitions, 10245 flow [2021-03-25 22:07:17,497 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) [2021-03-25 22:07:17,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:17,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:17,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-25 22:07:17,497 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:17,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:17,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1308240662, now seen corresponding path program 18 times [2021-03-25 22:07:17,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:17,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477698164] [2021-03-25 22:07:17,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:17,505 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:17,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:17,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:17,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:17,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:17,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:17,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:17,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:17,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:17,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:17,576 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:17,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:17,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477698164] [2021-03-25 22:07:17,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:17,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:17,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950820329] [2021-03-25 22:07:17,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:17,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:17,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:17,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:17,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-25 22:07:17,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 520 transitions, 10245 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) [2021-03-25 22:07:17,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:17,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-25 22:07:17,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:18,157 INFO L129 PetriNetUnfolder]: 684/1353 cut-off events. [2021-03-25 22:07:18,157 INFO L130 PetriNetUnfolder]: For 44090/44121 co-relation queries the response was YES. [2021-03-25 22:07:18,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15919 conditions, 1353 events. 684/1353 cut-off events. For 44090/44121 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8394 event pairs, 140 based on Foata normal form. 13/1363 useless extension candidates. Maximal degree in co-relation 15761. Up to 1196 conditions per place. [2021-03-25 22:07:18,176 INFO L132 encePairwiseOnDemand]: 98/114 looper letters, 450 selfloop transitions, 60 changer transitions 4/522 dead transitions. [2021-03-25 22:07:18,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 522 transitions, 11281 flow [2021-03-25 22:07:18,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:07:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:07:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 409 transitions. [2021-03-25 22:07:18,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2759784075573549 [2021-03-25 22:07:18,177 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 409 transitions. [2021-03-25 22:07:18,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 409 transitions. [2021-03-25 22:07:18,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:18,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 409 transitions. [2021-03-25 22:07:18,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.46153846153846) internal successors, (409), 13 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:18,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:18,179 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:18,179 INFO L185 Difference]: Start difference. First operand has 395 places, 520 transitions, 10245 flow. Second operand 13 states and 409 transitions. [2021-03-25 22:07:18,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 522 transitions, 11281 flow [2021-03-25 22:07:18,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 522 transitions, 11119 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-25 22:07:18,510 INFO L241 Difference]: Finished difference. Result has 397 places, 516 transitions, 10160 flow [2021-03-25 22:07:18,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10083, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10160, PETRI_PLACES=397, PETRI_TRANSITIONS=516} [2021-03-25 22:07:18,510 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-25 22:07:18,510 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:18,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 516 transitions, 10160 flow [2021-03-25 22:07:18,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 516 transitions, 10160 flow [2021-03-25 22:07:18,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 516 transitions, 10160 flow [2021-03-25 22:07:18,656 INFO L129 PetriNetUnfolder]: 472/1048 cut-off events. [2021-03-25 22:07:18,656 INFO L130 PetriNetUnfolder]: For 37927/38126 co-relation queries the response was YES. [2021-03-25 22:07:18,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12049 conditions, 1048 events. 472/1048 cut-off events. For 37927/38126 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7091 event pairs, 38 based on Foata normal form. 35/1061 useless extension candidates. Maximal degree in co-relation 11891. Up to 431 conditions per place. [2021-03-25 22:07:18,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-25 22:07:18,760 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:18,760 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:07:18,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 250 [2021-03-25 22:07:18,761 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 516 transitions, 10163 flow [2021-03-25 22:07:18,761 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) [2021-03-25 22:07:18,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:18,761 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:18,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-25 22:07:18,761 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:18,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:18,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1369441697, now seen corresponding path program 2 times [2021-03-25 22:07:18,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:18,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296059464] [2021-03-25 22:07:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:18,771 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:18,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:18,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:18,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:18,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:18,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:18,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:18,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296059464] [2021-03-25 22:07:18,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:18,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:18,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501946958] [2021-03-25 22:07:18,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:18,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:18,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:18,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:18,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-25 22:07:18,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 516 transitions, 10163 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) [2021-03-25 22:07:18,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:18,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-25 22:07:18,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:19,589 INFO L129 PetriNetUnfolder]: 683/1353 cut-off events. [2021-03-25 22:07:19,590 INFO L130 PetriNetUnfolder]: For 43710/43741 co-relation queries the response was YES. [2021-03-25 22:07:19,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15882 conditions, 1353 events. 683/1353 cut-off events. For 43710/43741 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8425 event pairs, 104 based on Foata normal form. 13/1363 useless extension candidates. Maximal degree in co-relation 15721. Up to 1149 conditions per place. [2021-03-25 22:07:19,609 INFO L132 encePairwiseOnDemand]: 91/115 looper letters, 401 selfloop transitions, 116 changer transitions 5/530 dead transitions. [2021-03-25 22:07:19,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 530 transitions, 11473 flow [2021-03-25 22:07:19,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 485 transitions. [2021-03-25 22:07:19,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2811594202898551 [2021-03-25 22:07:19,610 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 485 transitions. [2021-03-25 22:07:19,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 485 transitions. [2021-03-25 22:07:19,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:19,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 485 transitions. [2021-03-25 22:07:19,611 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) [2021-03-25 22:07:19,612 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) [2021-03-25 22:07:19,612 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) [2021-03-25 22:07:19,612 INFO L185 Difference]: Start difference. First operand has 390 places, 516 transitions, 10163 flow. Second operand 15 states and 485 transitions. [2021-03-25 22:07:19,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 530 transitions, 11473 flow [2021-03-25 22:07:19,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 530 transitions, 11311 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-25 22:07:19,913 INFO L241 Difference]: Finished difference. Result has 393 places, 512 transitions, 10179 flow [2021-03-25 22:07:19,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=10003, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10179, PETRI_PLACES=393, PETRI_TRANSITIONS=512} [2021-03-25 22:07:19,913 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 354 predicate places. [2021-03-25 22:07:19,913 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:19,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 393 places, 512 transitions, 10179 flow [2021-03-25 22:07:19,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 393 places, 512 transitions, 10179 flow [2021-03-25 22:07:19,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 512 transitions, 10179 flow [2021-03-25 22:07:20,053 INFO L129 PetriNetUnfolder]: 452/1023 cut-off events. [2021-03-25 22:07:20,053 INFO L130 PetriNetUnfolder]: For 34960/35151 co-relation queries the response was YES. [2021-03-25 22:07:20,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11697 conditions, 1023 events. 452/1023 cut-off events. For 34960/35151 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6899 event pairs, 34 based on Foata normal form. 23/1028 useless extension candidates. Maximal degree in co-relation 11541. Up to 414 conditions per place. [2021-03-25 22:07:20,072 INFO L142 LiptonReduction]: Number of co-enabled transitions 540 [2021-03-25 22:07:20,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:20,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:20,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-25 22:07:20,100 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 512 transitions, 10179 flow [2021-03-25 22:07:20,101 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) [2021-03-25 22:07:20,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:20,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:20,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-25 22:07:20,101 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:20,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:20,101 INFO L82 PathProgramCache]: Analyzing trace with hash -606128915, now seen corresponding path program 1 times [2021-03-25 22:07:20,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:20,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161101532] [2021-03-25 22:07:20,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:20,108 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:20,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:20,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:20,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:20,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:20,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:20,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:20,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:20,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:20,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:20,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:20,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:20,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161101532] [2021-03-25 22:07:20,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:20,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:20,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244103469] [2021-03-25 22:07:20,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:20,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:20,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:20,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:20,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-25 22:07:20,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 512 transitions, 10179 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) [2021-03-25 22:07:20,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:20,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-25 22:07:20,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:20,929 INFO L129 PetriNetUnfolder]: 685/1360 cut-off events. [2021-03-25 22:07:20,929 INFO L130 PetriNetUnfolder]: For 44015/44046 co-relation queries the response was YES. [2021-03-25 22:07:20,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15942 conditions, 1360 events. 685/1360 cut-off events. For 44015/44046 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8492 event pairs, 118 based on Foata normal form. 13/1370 useless extension candidates. Maximal degree in co-relation 15783. Up to 1032 conditions per place. [2021-03-25 22:07:20,948 INFO L132 encePairwiseOnDemand]: 85/115 looper letters, 293 selfloop transitions, 226 changer transitions 10/537 dead transitions. [2021-03-25 22:07:20,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 537 transitions, 11794 flow [2021-03-25 22:07:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:07:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:07:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 609 transitions. [2021-03-25 22:07:20,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2787185354691076 [2021-03-25 22:07:20,949 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 609 transitions. [2021-03-25 22:07:20,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 609 transitions. [2021-03-25 22:07:20,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:20,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 609 transitions. [2021-03-25 22:07:20,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.05263157894737) internal successors, (609), 19 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:20,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 115.0) internal successors, (2300), 20 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:20,951 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 115.0) internal successors, (2300), 20 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:20,951 INFO L185 Difference]: Start difference. First operand has 389 places, 512 transitions, 10179 flow. Second operand 19 states and 609 transitions. [2021-03-25 22:07:20,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 537 transitions, 11794 flow [2021-03-25 22:07:21,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 537 transitions, 11554 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-25 22:07:21,272 INFO L241 Difference]: Finished difference. Result has 403 places, 515 transitions, 10585 flow [2021-03-25 22:07:21,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=9939, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10585, PETRI_PLACES=403, PETRI_TRANSITIONS=515} [2021-03-25 22:07:21,272 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 364 predicate places. [2021-03-25 22:07:21,272 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:21,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 515 transitions, 10585 flow [2021-03-25 22:07:21,272 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 515 transitions, 10585 flow [2021-03-25 22:07:21,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 515 transitions, 10585 flow [2021-03-25 22:07:21,412 INFO L129 PetriNetUnfolder]: 448/1015 cut-off events. [2021-03-25 22:07:21,412 INFO L130 PetriNetUnfolder]: For 42512/42738 co-relation queries the response was YES. [2021-03-25 22:07:21,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12167 conditions, 1015 events. 448/1015 cut-off events. For 42512/42738 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6915 event pairs, 43 based on Foata normal form. 26/1020 useless extension candidates. Maximal degree in co-relation 12008. Up to 419 conditions per place. [2021-03-25 22:07:21,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 540 [2021-03-25 22:07:21,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:21,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:21,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-25 22:07:21,459 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 515 transitions, 10585 flow [2021-03-25 22:07:21,459 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) [2021-03-25 22:07:21,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:21,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:21,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-25 22:07:21,459 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:21,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1479869595, now seen corresponding path program 2 times [2021-03-25 22:07:21,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:21,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599671178] [2021-03-25 22:07:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:21,469 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:21,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:21,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:21,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:21,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:21,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:21,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 22:07:21,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:21,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:21,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599671178] [2021-03-25 22:07:21,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:21,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:21,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964748563] [2021-03-25 22:07:21,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:21,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:21,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:21,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:21,557 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-25 22:07:21,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 515 transitions, 10585 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) [2021-03-25 22:07:21,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:21,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-25 22:07:21,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:22,343 INFO L129 PetriNetUnfolder]: 687/1371 cut-off events. [2021-03-25 22:07:22,344 INFO L130 PetriNetUnfolder]: For 50074/50105 co-relation queries the response was YES. [2021-03-25 22:07:22,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16695 conditions, 1371 events. 687/1371 cut-off events. For 50074/50105 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8583 event pairs, 112 based on Foata normal form. 14/1382 useless extension candidates. Maximal degree in co-relation 16534. Up to 994 conditions per place. [2021-03-25 22:07:22,364 INFO L132 encePairwiseOnDemand]: 84/115 looper letters, 266 selfloop transitions, 260 changer transitions 10/544 dead transitions. [2021-03-25 22:07:22,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 544 transitions, 12226 flow [2021-03-25 22:07:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:07:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:07:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-25 22:07:22,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29239130434782606 [2021-03-25 22:07:22,365 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-25 22:07:22,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-25 22:07:22,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:22,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-25 22:07:22,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 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) [2021-03-25 22:07:22,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:22,367 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:22,367 INFO L185 Difference]: Start difference. First operand has 397 places, 515 transitions, 10585 flow. Second operand 16 states and 538 transitions. [2021-03-25 22:07:22,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 544 transitions, 12226 flow [2021-03-25 22:07:22,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 544 transitions, 11747 flow, removed 33 selfloop flow, removed 16 redundant places. [2021-03-25 22:07:22,700 INFO L241 Difference]: Finished difference. Result has 402 places, 519 transitions, 10904 flow [2021-03-25 22:07:22,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=10132, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10904, PETRI_PLACES=402, PETRI_TRANSITIONS=519} [2021-03-25 22:07:22,701 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-25 22:07:22,701 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:22,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 519 transitions, 10904 flow [2021-03-25 22:07:22,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 519 transitions, 10904 flow [2021-03-25 22:07:22,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 519 transitions, 10904 flow [2021-03-25 22:07:22,845 INFO L129 PetriNetUnfolder]: 448/1023 cut-off events. [2021-03-25 22:07:22,845 INFO L130 PetriNetUnfolder]: For 39540/39733 co-relation queries the response was YES. [2021-03-25 22:07:22,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12280 conditions, 1023 events. 448/1023 cut-off events. For 39540/39733 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6993 event pairs, 40 based on Foata normal form. 23/1026 useless extension candidates. Maximal degree in co-relation 12107. Up to 406 conditions per place. [2021-03-25 22:07:22,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 542 [2021-03-25 22:07:22,948 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:22,948 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:07:22,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-25 22:07:22,948 INFO L480 AbstractCegarLoop]: Abstraction has has 402 places, 519 transitions, 10920 flow [2021-03-25 22:07:22,949 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) [2021-03-25 22:07:22,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:22,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:22,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-25 22:07:22,949 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:22,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1610671518, now seen corresponding path program 3 times [2021-03-25 22:07:22,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:22,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618464898] [2021-03-25 22:07:22,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:22,980 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:22,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:22,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:22,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:22,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:22,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:22,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:22,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:23,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:23,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:23,025 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:23,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:23,048 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:07:23,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:07:23,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:23,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:23,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:23,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:23,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618464898] [2021-03-25 22:07:23,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:23,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:23,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751415978] [2021-03-25 22:07:23,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:23,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:23,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:23,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:23,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-25 22:07:23,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 519 transitions, 10920 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) [2021-03-25 22:07:23,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:23,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-25 22:07:23,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:23,878 INFO L129 PetriNetUnfolder]: 685/1355 cut-off events. [2021-03-25 22:07:23,878 INFO L130 PetriNetUnfolder]: For 49580/49606 co-relation queries the response was YES. [2021-03-25 22:07:23,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16762 conditions, 1355 events. 685/1355 cut-off events. For 49580/49606 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8424 event pairs, 126 based on Foata normal form. 16/1369 useless extension candidates. Maximal degree in co-relation 16585. Up to 1164 conditions per place. [2021-03-25 22:07:23,895 INFO L132 encePairwiseOnDemand]: 95/116 looper letters, 419 selfloop transitions, 98 changer transitions 7/532 dead transitions. [2021-03-25 22:07:23,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 532 transitions, 12193 flow [2021-03-25 22:07:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:07:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:07:23,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 546 transitions. [2021-03-25 22:07:23,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2768762677484787 [2021-03-25 22:07:23,896 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 546 transitions. [2021-03-25 22:07:23,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 546 transitions. [2021-03-25 22:07:23,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:23,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 546 transitions. [2021-03-25 22:07:23,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.11764705882353) internal successors, (546), 17 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:23,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:23,897 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:23,897 INFO L185 Difference]: Start difference. First operand has 402 places, 519 transitions, 10920 flow. Second operand 17 states and 546 transitions. [2021-03-25 22:07:23,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 532 transitions, 12193 flow [2021-03-25 22:07:24,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 532 transitions, 11565 flow, removed 48 selfloop flow, removed 17 redundant places. [2021-03-25 22:07:24,187 INFO L241 Difference]: Finished difference. Result has 403 places, 514 transitions, 10390 flow [2021-03-25 22:07:24,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10292, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10390, PETRI_PLACES=403, PETRI_TRANSITIONS=514} [2021-03-25 22:07:24,188 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 364 predicate places. [2021-03-25 22:07:24,188 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:24,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 514 transitions, 10390 flow [2021-03-25 22:07:24,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 514 transitions, 10390 flow [2021-03-25 22:07:24,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 514 transitions, 10390 flow [2021-03-25 22:07:24,326 INFO L129 PetriNetUnfolder]: 448/1013 cut-off events. [2021-03-25 22:07:24,326 INFO L130 PetriNetUnfolder]: For 36358/36534 co-relation queries the response was YES. [2021-03-25 22:07:24,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11973 conditions, 1013 events. 448/1013 cut-off events. For 36358/36534 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6869 event pairs, 29 based on Foata normal form. 18/1012 useless extension candidates. Maximal degree in co-relation 11816. Up to 403 conditions per place. [2021-03-25 22:07:24,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-25 22:07:24,372 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:24,372 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:24,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-25 22:07:24,373 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 514 transitions, 10390 flow [2021-03-25 22:07:24,373 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) [2021-03-25 22:07:24,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:24,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:24,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-25 22:07:24,373 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1410551946, now seen corresponding path program 1 times [2021-03-25 22:07:24,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:24,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833889086] [2021-03-25 22:07:24,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:24,384 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:24,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:24,388 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:24,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:24,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:24,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:24,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:24,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:24,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:24,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:24,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833889086] [2021-03-25 22:07:24,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:24,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:24,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680369704] [2021-03-25 22:07:24,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:24,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:24,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:24,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:24,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-25 22:07:24,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 514 transitions, 10390 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) [2021-03-25 22:07:24,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:24,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-25 22:07:24,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:25,091 INFO L129 PetriNetUnfolder]: 689/1355 cut-off events. [2021-03-25 22:07:25,091 INFO L130 PetriNetUnfolder]: For 49495/49531 co-relation queries the response was YES. [2021-03-25 22:07:25,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16544 conditions, 1355 events. 689/1355 cut-off events. For 49495/49531 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8375 event pairs, 136 based on Foata normal form. 18/1370 useless extension candidates. Maximal degree in co-relation 16385. Up to 1176 conditions per place. [2021-03-25 22:07:25,111 INFO L132 encePairwiseOnDemand]: 95/116 looper letters, 419 selfloop transitions, 100 changer transitions 2/529 dead transitions. [2021-03-25 22:07:25,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 529 transitions, 11721 flow [2021-03-25 22:07:25,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 481 transitions. [2021-03-25 22:07:25,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2764367816091954 [2021-03-25 22:07:25,112 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 481 transitions. [2021-03-25 22:07:25,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 481 transitions. [2021-03-25 22:07:25,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:25,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 481 transitions. [2021-03-25 22:07:25,113 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) [2021-03-25 22:07:25,114 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) [2021-03-25 22:07:25,114 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) [2021-03-25 22:07:25,114 INFO L185 Difference]: Start difference. First operand has 396 places, 514 transitions, 10390 flow. Second operand 15 states and 481 transitions. [2021-03-25 22:07:25,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 529 transitions, 11721 flow [2021-03-25 22:07:25,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 529 transitions, 11489 flow, removed 14 selfloop flow, removed 19 redundant places. [2021-03-25 22:07:25,429 INFO L241 Difference]: Finished difference. Result has 397 places, 520 transitions, 10539 flow [2021-03-25 22:07:25,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10164, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10539, PETRI_PLACES=397, PETRI_TRANSITIONS=520} [2021-03-25 22:07:25,429 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-25 22:07:25,429 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:25,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 520 transitions, 10539 flow [2021-03-25 22:07:25,430 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 520 transitions, 10539 flow [2021-03-25 22:07:25,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 520 transitions, 10539 flow [2021-03-25 22:07:25,573 INFO L129 PetriNetUnfolder]: 455/1027 cut-off events. [2021-03-25 22:07:25,574 INFO L130 PetriNetUnfolder]: For 38666/38951 co-relation queries the response was YES. [2021-03-25 22:07:25,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12108 conditions, 1027 events. 455/1027 cut-off events. For 38666/38951 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7065 event pairs, 31 based on Foata normal form. 35/1038 useless extension candidates. Maximal degree in co-relation 11953. Up to 409 conditions per place. [2021-03-25 22:07:25,593 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-25 22:07:25,623 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:25,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:25,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-25 22:07:25,623 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 520 transitions, 10539 flow [2021-03-25 22:07:25,623 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) [2021-03-25 22:07:25,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:25,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:25,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-25 22:07:25,623 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:25,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:25,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1001761473, now seen corresponding path program 1 times [2021-03-25 22:07:25,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:25,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532286157] [2021-03-25 22:07:25,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:25,632 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:25,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:25,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:25,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:25,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:25,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:25,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:25,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:25,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:25,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532286157] [2021-03-25 22:07:25,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:25,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:25,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098793222] [2021-03-25 22:07:25,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:25,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:25,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:25,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:25,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-25 22:07:25,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 520 transitions, 10539 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) [2021-03-25 22:07:25,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:25,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-25 22:07:25,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:26,458 INFO L129 PetriNetUnfolder]: 688/1355 cut-off events. [2021-03-25 22:07:26,458 INFO L130 PetriNetUnfolder]: For 48818/48849 co-relation queries the response was YES. [2021-03-25 22:07:26,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16512 conditions, 1355 events. 688/1355 cut-off events. For 48818/48849 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8449 event pairs, 111 based on Foata normal form. 13/1365 useless extension candidates. Maximal degree in co-relation 16355. Up to 1123 conditions per place. [2021-03-25 22:07:26,478 INFO L132 encePairwiseOnDemand]: 94/116 looper letters, 397 selfloop transitions, 129 changer transitions 2/536 dead transitions. [2021-03-25 22:07:26,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 536 transitions, 11972 flow [2021-03-25 22:07:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:07:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:07:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 511 transitions. [2021-03-25 22:07:26,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27532327586206895 [2021-03-25 22:07:26,479 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 511 transitions. [2021-03-25 22:07:26,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 511 transitions. [2021-03-25 22:07:26,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:26,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 511 transitions. [2021-03-25 22:07:26,480 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) [2021-03-25 22:07:26,481 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) [2021-03-25 22:07:26,481 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) [2021-03-25 22:07:26,481 INFO L185 Difference]: Start difference. First operand has 395 places, 520 transitions, 10539 flow. Second operand 16 states and 511 transitions. [2021-03-25 22:07:26,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 536 transitions, 11972 flow [2021-03-25 22:07:26,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 536 transitions, 11758 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-03-25 22:07:26,823 INFO L241 Difference]: Finished difference. Result has 403 places, 520 transitions, 10651 flow [2021-03-25 22:07:26,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10327, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10651, PETRI_PLACES=403, PETRI_TRANSITIONS=520} [2021-03-25 22:07:26,823 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 364 predicate places. [2021-03-25 22:07:26,823 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:26,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 520 transitions, 10651 flow [2021-03-25 22:07:26,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 520 transitions, 10651 flow [2021-03-25 22:07:26,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 520 transitions, 10651 flow [2021-03-25 22:07:26,970 INFO L129 PetriNetUnfolder]: 448/1020 cut-off events. [2021-03-25 22:07:26,970 INFO L130 PetriNetUnfolder]: For 37529/37701 co-relation queries the response was YES. [2021-03-25 22:07:26,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12114 conditions, 1020 events. 448/1020 cut-off events. For 37529/37701 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6992 event pairs, 29 based on Foata normal form. 24/1028 useless extension candidates. Maximal degree in co-relation 11958. Up to 403 conditions per place. [2021-03-25 22:07:26,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-25 22:07:27,034 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:27,034 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:27,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-03-25 22:07:27,034 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 520 transitions, 10651 flow [2021-03-25 22:07:27,035 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) [2021-03-25 22:07:27,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:27,035 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:27,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-25 22:07:27,035 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:27,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1198168040, now seen corresponding path program 7 times [2021-03-25 22:07:27,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:27,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800181397] [2021-03-25 22:07:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:27,044 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:27,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:27,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:27,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:27,063 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:27,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:27,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:27,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:27,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:27,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:27,134 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:27,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800181397] [2021-03-25 22:07:27,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:27,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:27,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228027095] [2021-03-25 22:07:27,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:27,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:27,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:27,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:27,138 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-25 22:07:27,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 520 transitions, 10651 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) [2021-03-25 22:07:27,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:27,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-25 22:07:27,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:28,065 INFO L129 PetriNetUnfolder]: 693/1366 cut-off events. [2021-03-25 22:07:28,066 INFO L130 PetriNetUnfolder]: For 51375/51406 co-relation queries the response was YES. [2021-03-25 22:07:28,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16811 conditions, 1366 events. 693/1366 cut-off events. For 51375/51406 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8513 event pairs, 132 based on Foata normal form. 13/1376 useless extension candidates. Maximal degree in co-relation 16653. Up to 1121 conditions per place. [2021-03-25 22:07:28,087 INFO L132 encePairwiseOnDemand]: 91/116 looper letters, 373 selfloop transitions, 157 changer transitions 5/543 dead transitions. [2021-03-25 22:07:28,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 543 transitions, 12244 flow [2021-03-25 22:07:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:07:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:07:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 533 transitions. [2021-03-25 22:07:28,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28717672413793105 [2021-03-25 22:07:28,088 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 533 transitions. [2021-03-25 22:07:28,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 533 transitions. [2021-03-25 22:07:28,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:28,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 533 transitions. [2021-03-25 22:07:28,089 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) [2021-03-25 22:07:28,090 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) [2021-03-25 22:07:28,090 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) [2021-03-25 22:07:28,090 INFO L185 Difference]: Start difference. First operand has 401 places, 520 transitions, 10651 flow. Second operand 16 states and 533 transitions. [2021-03-25 22:07:28,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 543 transitions, 12244 flow [2021-03-25 22:07:28,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 543 transitions, 11946 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-03-25 22:07:28,414 INFO L241 Difference]: Finished difference. Result has 407 places, 527 transitions, 10893 flow [2021-03-25 22:07:28,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10357, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10893, PETRI_PLACES=407, PETRI_TRANSITIONS=527} [2021-03-25 22:07:28,415 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 368 predicate places. [2021-03-25 22:07:28,415 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:28,415 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 527 transitions, 10893 flow [2021-03-25 22:07:28,415 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 527 transitions, 10893 flow [2021-03-25 22:07:28,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 527 transitions, 10893 flow [2021-03-25 22:07:28,564 INFO L129 PetriNetUnfolder]: 458/1026 cut-off events. [2021-03-25 22:07:28,564 INFO L130 PetriNetUnfolder]: For 40148/40389 co-relation queries the response was YES. [2021-03-25 22:07:28,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12413 conditions, 1026 events. 458/1026 cut-off events. For 40148/40389 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7008 event pairs, 29 based on Foata normal form. 31/1029 useless extension candidates. Maximal degree in co-relation 12237. Up to 413 conditions per place. [2021-03-25 22:07:28,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-25 22:07:28,614 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:28,614 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:28,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-03-25 22:07:28,615 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 527 transitions, 10893 flow [2021-03-25 22:07:28,615 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) [2021-03-25 22:07:28,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:28,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:28,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-25 22:07:28,615 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:28,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:28,615 INFO L82 PathProgramCache]: Analyzing trace with hash -921338614, now seen corresponding path program 1 times [2021-03-25 22:07:28,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:28,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602412643] [2021-03-25 22:07:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:28,622 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:28,626 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:28,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:28,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:28,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:28,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:28,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:28,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:28,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:28,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:28,661 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-25 22:07:28,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:07:28,675 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-03-25 22:07:28,675 INFO L147 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size 17 [2021-03-25 22:07:28,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:28,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:28,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:28,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:28,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602412643] [2021-03-25 22:07:28,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:28,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:07:28,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290780768] [2021-03-25 22:07:28,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:07:28,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:28,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:07:28,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:07:28,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-25 22:07:28,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 527 transitions, 10893 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) [2021-03-25 22:07:28,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:28,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-25 22:07:28,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:29,323 INFO L129 PetriNetUnfolder]: 692/1360 cut-off events. [2021-03-25 22:07:29,324 INFO L130 PetriNetUnfolder]: For 51103/51121 co-relation queries the response was YES. [2021-03-25 22:07:29,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16882 conditions, 1360 events. 692/1360 cut-off events. For 51103/51121 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8465 event pairs, 140 based on Foata normal form. 12/1369 useless extension candidates. Maximal degree in co-relation 16685. Up to 1109 conditions per place. [2021-03-25 22:07:29,343 INFO L132 encePairwiseOnDemand]: 91/116 looper letters, 380 selfloop transitions, 148 changer transitions 3/539 dead transitions. [2021-03-25 22:07:29,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 539 transitions, 12181 flow [2021-03-25 22:07:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:07:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:07:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 389 transitions. [2021-03-25 22:07:29,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.304858934169279 [2021-03-25 22:07:29,344 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 389 transitions. [2021-03-25 22:07:29,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 389 transitions. [2021-03-25 22:07:29,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:29,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 389 transitions. [2021-03-25 22:07:29,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 35.36363636363637) internal successors, (389), 11 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) [2021-03-25 22:07:29,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:29,345 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:29,345 INFO L185 Difference]: Start difference. First operand has 407 places, 527 transitions, 10893 flow. Second operand 11 states and 389 transitions. [2021-03-25 22:07:29,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 539 transitions, 12181 flow [2021-03-25 22:07:29,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 539 transitions, 11983 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-25 22:07:29,697 INFO L241 Difference]: Finished difference. Result has 411 places, 525 transitions, 11045 flow [2021-03-25 22:07:29,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10695, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11045, PETRI_PLACES=411, PETRI_TRANSITIONS=525} [2021-03-25 22:07:29,697 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 372 predicate places. [2021-03-25 22:07:29,697 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:29,697 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 411 places, 525 transitions, 11045 flow [2021-03-25 22:07:29,697 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 411 places, 525 transitions, 11045 flow [2021-03-25 22:07:29,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 525 transitions, 11045 flow [2021-03-25 22:07:29,848 INFO L129 PetriNetUnfolder]: 468/1029 cut-off events. [2021-03-25 22:07:29,848 INFO L130 PetriNetUnfolder]: For 43705/44004 co-relation queries the response was YES. [2021-03-25 22:07:29,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12705 conditions, 1029 events. 468/1029 cut-off events. For 43705/44004 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6899 event pairs, 39 based on Foata normal form. 36/1037 useless extension candidates. Maximal degree in co-relation 12527. Up to 421 conditions per place. [2021-03-25 22:07:29,869 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-25 22:07:29,899 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:29,899 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:29,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-03-25 22:07:29,899 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 525 transitions, 11045 flow [2021-03-25 22:07:29,899 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) [2021-03-25 22:07:29,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:29,899 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] [2021-03-25 22:07:29,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-25 22:07:29,900 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:29,900 INFO L82 PathProgramCache]: Analyzing trace with hash -443743506, now seen corresponding path program 1 times [2021-03-25 22:07:29,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:29,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981182726] [2021-03-25 22:07:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:29,915 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:29,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:29,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:29,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:29,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:29,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:29,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:29,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:29,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:29,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:29,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:29,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:29,966 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:07:29,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:29,986 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:07:29,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:07:30,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:30,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:30,029 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:30,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:30,043 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:30,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981182726] [2021-03-25 22:07:30,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:30,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:07:30,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013628043] [2021-03-25 22:07:30,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:07:30,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:30,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:07:30,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:07:30,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-25 22:07:30,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 525 transitions, 11045 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) [2021-03-25 22:07:30,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:30,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-25 22:07:30,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:30,820 INFO L129 PetriNetUnfolder]: 714/1405 cut-off events. [2021-03-25 22:07:30,820 INFO L130 PetriNetUnfolder]: For 57352/57383 co-relation queries the response was YES. [2021-03-25 22:07:30,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17968 conditions, 1405 events. 714/1405 cut-off events. For 57352/57383 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8776 event pairs, 111 based on Foata normal form. 23/1427 useless extension candidates. Maximal degree in co-relation 17774. Up to 1234 conditions per place. [2021-03-25 22:07:30,840 INFO L132 encePairwiseOnDemand]: 101/116 looper letters, 494 selfloop transitions, 57 changer transitions 6/565 dead transitions. [2021-03-25 22:07:30,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 565 transitions, 13449 flow [2021-03-25 22:07:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:07:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:07:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 534 transitions. [2021-03-25 22:07:30,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27079107505070993 [2021-03-25 22:07:30,843 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 534 transitions. [2021-03-25 22:07:30,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 534 transitions. [2021-03-25 22:07:30,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:30,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 534 transitions. [2021-03-25 22:07:30,844 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) [2021-03-25 22:07:30,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:30,845 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:30,845 INFO L185 Difference]: Start difference. First operand has 410 places, 525 transitions, 11045 flow. Second operand 17 states and 534 transitions. [2021-03-25 22:07:30,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 565 transitions, 13449 flow [2021-03-25 22:07:31,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 565 transitions, 13016 flow, removed 16 selfloop flow, removed 12 redundant places. [2021-03-25 22:07:31,224 INFO L241 Difference]: Finished difference. Result has 421 places, 546 transitions, 11594 flow [2021-03-25 22:07:31,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10645, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11594, PETRI_PLACES=421, PETRI_TRANSITIONS=546} [2021-03-25 22:07:31,225 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 382 predicate places. [2021-03-25 22:07:31,225 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:31,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 546 transitions, 11594 flow [2021-03-25 22:07:31,225 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 546 transitions, 11594 flow [2021-03-25 22:07:31,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 546 transitions, 11594 flow [2021-03-25 22:07:31,391 INFO L129 PetriNetUnfolder]: 488/1079 cut-off events. [2021-03-25 22:07:31,391 INFO L130 PetriNetUnfolder]: For 47245/47492 co-relation queries the response was YES. [2021-03-25 22:07:31,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13445 conditions, 1079 events. 488/1079 cut-off events. For 47245/47492 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7363 event pairs, 46 based on Foata normal form. 20/1074 useless extension candidates. Maximal degree in co-relation 13264. Up to 451 conditions per place. [2021-03-25 22:07:31,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 546 [2021-03-25 22:07:31,532 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:31,532 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:07:31,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-03-25 22:07:31,533 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 546 transitions, 11617 flow [2021-03-25 22:07:31,533 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) [2021-03-25 22:07:31,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:31,533 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] [2021-03-25 22:07:31,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-25 22:07:31,533 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:31,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:31,533 INFO L82 PathProgramCache]: Analyzing trace with hash -173105370, now seen corresponding path program 2 times [2021-03-25 22:07:31,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:31,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472700530] [2021-03-25 22:07:31,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:31,549 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:31,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:31,553 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:31,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:31,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:31,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:31,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:31,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:31,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:31,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:31,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:31,645 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:31,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:31,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472700530] [2021-03-25 22:07:31,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:31,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:07:31,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878056104] [2021-03-25 22:07:31,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:07:31,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:31,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:07:31,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:07:31,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 118 [2021-03-25 22:07:31,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 546 transitions, 11617 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) [2021-03-25 22:07:31,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:31,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 118 [2021-03-25 22:07:31,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:32,452 INFO L129 PetriNetUnfolder]: 712/1414 cut-off events. [2021-03-25 22:07:32,452 INFO L130 PetriNetUnfolder]: For 61086/61112 co-relation queries the response was YES. [2021-03-25 22:07:32,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18125 conditions, 1414 events. 712/1414 cut-off events. For 61086/61112 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8895 event pairs, 154 based on Foata normal form. 14/1427 useless extension candidates. Maximal degree in co-relation 17926. Up to 1269 conditions per place. [2021-03-25 22:07:32,470 INFO L132 encePairwiseOnDemand]: 102/118 looper letters, 512 selfloop transitions, 46 changer transitions 2/568 dead transitions. [2021-03-25 22:07:32,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 568 transitions, 13347 flow [2021-03-25 22:07:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 471 transitions. [2021-03-25 22:07:32,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26610169491525426 [2021-03-25 22:07:32,472 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 471 transitions. [2021-03-25 22:07:32,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 471 transitions. [2021-03-25 22:07:32,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:32,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 471 transitions. [2021-03-25 22:07:32,472 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) [2021-03-25 22:07:32,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 118.0) internal successors, (1888), 16 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:32,473 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 118.0) internal successors, (1888), 16 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:32,473 INFO L185 Difference]: Start difference. First operand has 418 places, 546 transitions, 11617 flow. Second operand 15 states and 471 transitions. [2021-03-25 22:07:32,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 568 transitions, 13347 flow [2021-03-25 22:07:32,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 568 transitions, 12750 flow, removed 293 selfloop flow, removed 2 redundant places. [2021-03-25 22:07:32,792 INFO L241 Difference]: Finished difference. Result has 437 places, 554 transitions, 11450 flow [2021-03-25 22:07:32,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=11056, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11450, PETRI_PLACES=437, PETRI_TRANSITIONS=554} [2021-03-25 22:07:32,793 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 398 predicate places. [2021-03-25 22:07:32,793 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:32,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 554 transitions, 11450 flow [2021-03-25 22:07:32,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 554 transitions, 11450 flow [2021-03-25 22:07:32,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 554 transitions, 11450 flow [2021-03-25 22:07:32,962 INFO L129 PetriNetUnfolder]: 487/1087 cut-off events. [2021-03-25 22:07:32,962 INFO L130 PetriNetUnfolder]: For 46016/46173 co-relation queries the response was YES. [2021-03-25 22:07:32,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13346 conditions, 1087 events. 487/1087 cut-off events. For 46016/46173 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7480 event pairs, 33 based on Foata normal form. 30/1095 useless extension candidates. Maximal degree in co-relation 13170. Up to 446 conditions per place. [2021-03-25 22:07:32,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 548 [2021-03-25 22:07:33,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:33,079 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:07:33,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 287 [2021-03-25 22:07:33,080 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 553 transitions, 11442 flow [2021-03-25 22:07:33,080 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) [2021-03-25 22:07:33,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:33,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:33,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-25 22:07:33,080 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:33,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:33,080 INFO L82 PathProgramCache]: Analyzing trace with hash -985903137, now seen corresponding path program 1 times [2021-03-25 22:07:33,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:33,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643467463] [2021-03-25 22:07:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:33,088 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:33,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:33,092 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:33,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:33,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:33,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:33,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:33,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:33,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:33,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:33,125 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:33,158 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:33,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:33,182 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:33,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:33,207 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:07:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:07:33,233 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:33,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:33,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643467463] [2021-03-25 22:07:33,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:33,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:33,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680113109] [2021-03-25 22:07:33,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:33,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:33,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:33,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:33,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-25 22:07:33,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 553 transitions, 11442 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) [2021-03-25 22:07:33,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:33,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-25 22:07:33,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:34,048 INFO L129 PetriNetUnfolder]: 727/1445 cut-off events. [2021-03-25 22:07:34,048 INFO L130 PetriNetUnfolder]: For 62191/62217 co-relation queries the response was YES. [2021-03-25 22:07:34,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18408 conditions, 1445 events. 727/1445 cut-off events. For 62191/62217 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 9196 event pairs, 135 based on Foata normal form. 18/1462 useless extension candidates. Maximal degree in co-relation 18229. Up to 1245 conditions per place. [2021-03-25 22:07:34,071 INFO L132 encePairwiseOnDemand]: 100/119 looper letters, 501 selfloop transitions, 73 changer transitions 2/584 dead transitions. [2021-03-25 22:07:34,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 584 transitions, 13345 flow [2021-03-25 22:07:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-25 22:07:34,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2689075630252101 [2021-03-25 22:07:34,073 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-25 22:07:34,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-25 22:07:34,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:34,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-25 22:07:34,073 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) [2021-03-25 22:07:34,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-03-25 22:07:34,074 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 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) [2021-03-25 22:07:34,074 INFO L185 Difference]: Start difference. First operand has 435 places, 553 transitions, 11442 flow. Second operand 15 states and 480 transitions. [2021-03-25 22:07:34,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 584 transitions, 13345 flow [2021-03-25 22:07:34,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 584 transitions, 13074 flow, removed 114 selfloop flow, removed 8 redundant places. [2021-03-25 22:07:34,447 INFO L241 Difference]: Finished difference. Result has 448 places, 568 transitions, 11770 flow [2021-03-25 22:07:34,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=11183, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11770, PETRI_PLACES=448, PETRI_TRANSITIONS=568} [2021-03-25 22:07:34,447 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 409 predicate places. [2021-03-25 22:07:34,447 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:34,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 568 transitions, 11770 flow [2021-03-25 22:07:34,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 568 transitions, 11770 flow [2021-03-25 22:07:34,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 568 transitions, 11770 flow [2021-03-25 22:07:34,627 INFO L129 PetriNetUnfolder]: 496/1110 cut-off events. [2021-03-25 22:07:34,627 INFO L130 PetriNetUnfolder]: For 53232/53464 co-relation queries the response was YES. [2021-03-25 22:07:34,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13842 conditions, 1110 events. 496/1110 cut-off events. For 53232/53464 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7679 event pairs, 49 based on Foata normal form. 35/1116 useless extension candidates. Maximal degree in co-relation 13649. Up to 457 conditions per place. [2021-03-25 22:07:34,652 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-25 22:07:34,704 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:34,705 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:34,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-03-25 22:07:34,705 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 568 transitions, 11770 flow [2021-03-25 22:07:34,705 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) [2021-03-25 22:07:34,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:34,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:34,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-25 22:07:34,705 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:34,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:34,706 INFO L82 PathProgramCache]: Analyzing trace with hash -496236483, now seen corresponding path program 1 times [2021-03-25 22:07:34,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:34,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626674037] [2021-03-25 22:07:34,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:34,715 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:34,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:34,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:34,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:34,761 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.9 percent of original size [2021-03-25 22:07:34,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 22:07:34,787 INFO L142 QuantifierPusher]: treesize reduction 49, result has 36.4 percent of original size [2021-03-25 22:07:34,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:07:34,810 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:07:34,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:34,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:34,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:34,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:34,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:34,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626674037] [2021-03-25 22:07:34,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:34,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:34,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884887383] [2021-03-25 22:07:34,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:34,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:34,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:34,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:34,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-25 22:07:34,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 568 transitions, 11770 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) [2021-03-25 22:07:34,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:34,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-25 22:07:34,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:35,678 INFO L129 PetriNetUnfolder]: 741/1470 cut-off events. [2021-03-25 22:07:35,678 INFO L130 PetriNetUnfolder]: For 68147/68173 co-relation queries the response was YES. [2021-03-25 22:07:35,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19089 conditions, 1470 events. 741/1470 cut-off events. For 68147/68173 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 9389 event pairs, 136 based on Foata normal form. 18/1487 useless extension candidates. Maximal degree in co-relation 18878. Up to 1132 conditions per place. [2021-03-25 22:07:35,701 INFO L132 encePairwiseOnDemand]: 91/119 looper letters, 395 selfloop transitions, 194 changer transitions 3/600 dead transitions. [2021-03-25 22:07:35,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 600 transitions, 13866 flow [2021-03-25 22:07:35,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:07:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:07:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 475 transitions. [2021-03-25 22:07:35,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2851140456182473 [2021-03-25 22:07:35,709 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 475 transitions. [2021-03-25 22:07:35,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 475 transitions. [2021-03-25 22:07:35,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:35,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 475 transitions. [2021-03-25 22:07:35,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.92857142857143) internal successors, (475), 14 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) [2021-03-25 22:07:35,710 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) [2021-03-25 22:07:35,711 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) [2021-03-25 22:07:35,711 INFO L185 Difference]: Start difference. First operand has 447 places, 568 transitions, 11770 flow. Second operand 14 states and 475 transitions. [2021-03-25 22:07:35,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 600 transitions, 13866 flow [2021-03-25 22:07:36,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 600 transitions, 13590 flow, removed 98 selfloop flow, removed 6 redundant places. [2021-03-25 22:07:36,115 INFO L241 Difference]: Finished difference. Result has 460 places, 580 transitions, 12555 flow [2021-03-25 22:07:36,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=11500, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12555, PETRI_PLACES=460, PETRI_TRANSITIONS=580} [2021-03-25 22:07:36,116 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 421 predicate places. [2021-03-25 22:07:36,116 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:36,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 580 transitions, 12555 flow [2021-03-25 22:07:36,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 580 transitions, 12555 flow [2021-03-25 22:07:36,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 580 transitions, 12555 flow [2021-03-25 22:07:36,301 INFO L129 PetriNetUnfolder]: 500/1119 cut-off events. [2021-03-25 22:07:36,302 INFO L130 PetriNetUnfolder]: For 55464/55682 co-relation queries the response was YES. [2021-03-25 22:07:36,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14451 conditions, 1119 events. 500/1119 cut-off events. For 55464/55682 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 7763 event pairs, 51 based on Foata normal form. 29/1127 useless extension candidates. Maximal degree in co-relation 14264. Up to 463 conditions per place. [2021-03-25 22:07:36,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-25 22:07:36,393 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:36,393 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:36,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 277 [2021-03-25 22:07:36,394 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 580 transitions, 12555 flow [2021-03-25 22:07:36,394 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) [2021-03-25 22:07:36,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:36,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:36,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-25 22:07:36,394 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:36,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash -293126775, now seen corresponding path program 2 times [2021-03-25 22:07:36,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:36,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614508972] [2021-03-25 22:07:36,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:36,409 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:36,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:36,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:36,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:36,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:36,442 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:36,472 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:36,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:36,500 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:36,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:36,529 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:36,559 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:07:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:07:36,569 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:36,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614508972] [2021-03-25 22:07:36,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:36,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:36,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818522677] [2021-03-25 22:07:36,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:36,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:36,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:36,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:36,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-25 22:07:36,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 580 transitions, 12555 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) [2021-03-25 22:07:36,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:36,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-25 22:07:36,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:37,465 INFO L129 PetriNetUnfolder]: 766/1506 cut-off events. [2021-03-25 22:07:37,465 INFO L130 PetriNetUnfolder]: For 70044/70065 co-relation queries the response was YES. [2021-03-25 22:07:37,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20020 conditions, 1506 events. 766/1506 cut-off events. For 70044/70065 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 9587 event pairs, 146 based on Foata normal form. 18/1523 useless extension candidates. Maximal degree in co-relation 19830. Up to 1171 conditions per place. [2021-03-25 22:07:37,493 INFO L132 encePairwiseOnDemand]: 92/119 looper letters, 466 selfloop transitions, 156 changer transitions 4/634 dead transitions. [2021-03-25 22:07:37,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 634 transitions, 15053 flow [2021-03-25 22:07:37,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:07:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:07:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 565 transitions. [2021-03-25 22:07:37,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2792881858625803 [2021-03-25 22:07:37,494 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 565 transitions. [2021-03-25 22:07:37,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 565 transitions. [2021-03-25 22:07:37,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:37,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 565 transitions. [2021-03-25 22:07:37,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.23529411764706) internal successors, (565), 17 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:37,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 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) [2021-03-25 22:07:37,496 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 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) [2021-03-25 22:07:37,496 INFO L185 Difference]: Start difference. First operand has 459 places, 580 transitions, 12555 flow. Second operand 17 states and 565 transitions. [2021-03-25 22:07:37,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 634 transitions, 15053 flow [2021-03-25 22:07:37,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 634 transitions, 14708 flow, removed 110 selfloop flow, removed 7 redundant places. [2021-03-25 22:07:37,964 INFO L241 Difference]: Finished difference. Result has 473 places, 607 transitions, 13241 flow [2021-03-25 22:07:37,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=12218, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13241, PETRI_PLACES=473, PETRI_TRANSITIONS=607} [2021-03-25 22:07:37,965 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 434 predicate places. [2021-03-25 22:07:37,965 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:37,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 607 transitions, 13241 flow [2021-03-25 22:07:37,965 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 607 transitions, 13241 flow [2021-03-25 22:07:37,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 607 transitions, 13241 flow [2021-03-25 22:07:38,160 INFO L129 PetriNetUnfolder]: 517/1153 cut-off events. [2021-03-25 22:07:38,160 INFO L130 PetriNetUnfolder]: For 58728/58981 co-relation queries the response was YES. [2021-03-25 22:07:38,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15143 conditions, 1153 events. 517/1153 cut-off events. For 58728/58981 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8071 event pairs, 30 based on Foata normal form. 30/1161 useless extension candidates. Maximal degree in co-relation 14937. Up to 468 conditions per place. [2021-03-25 22:07:38,185 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-25 22:07:38,390 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 22:07:38,390 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 22:07:38,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-03-25 22:07:38,391 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 607 transitions, 13339 flow [2021-03-25 22:07:38,391 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) [2021-03-25 22:07:38,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:38,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:38,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-25 22:07:38,392 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:38,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:38,392 INFO L82 PathProgramCache]: Analyzing trace with hash -125077017, now seen corresponding path program 3 times [2021-03-25 22:07:38,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:38,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214120904] [2021-03-25 22:07:38,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:38,404 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:38,408 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:38,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:38,434 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:38,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:38,457 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:38,491 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:38,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:38,521 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:38,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:38,551 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:07:38,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:07:38,561 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:38,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:38,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214120904] [2021-03-25 22:07:38,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:38,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:38,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61551509] [2021-03-25 22:07:38,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:38,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:38,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:38,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-25 22:07:38,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 607 transitions, 13339 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) [2021-03-25 22:07:38,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:38,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-25 22:07:38,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:39,453 INFO L129 PetriNetUnfolder]: 772/1532 cut-off events. [2021-03-25 22:07:39,454 INFO L130 PetriNetUnfolder]: For 74491/74512 co-relation queries the response was YES. [2021-03-25 22:07:39,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20791 conditions, 1532 events. 772/1532 cut-off events. For 74491/74512 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 9916 event pairs, 128 based on Foata normal form. 18/1549 useless extension candidates. Maximal degree in co-relation 20569. Up to 1190 conditions per place. [2021-03-25 22:07:39,478 INFO L132 encePairwiseOnDemand]: 93/123 looper letters, 470 selfloop transitions, 161 changer transitions 4/643 dead transitions. [2021-03-25 22:07:39,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 643 transitions, 15510 flow [2021-03-25 22:07:39,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:07:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:07:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 561 transitions. [2021-03-25 22:07:39,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2682926829268293 [2021-03-25 22:07:39,480 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 561 transitions. [2021-03-25 22:07:39,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 561 transitions. [2021-03-25 22:07:39,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:39,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 561 transitions. [2021-03-25 22:07:39,480 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) [2021-03-25 22:07:39,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 123.0) internal successors, (2214), 18 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:39,481 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 123.0) internal successors, (2214), 18 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:39,481 INFO L185 Difference]: Start difference. First operand has 472 places, 607 transitions, 13339 flow. Second operand 17 states and 561 transitions. [2021-03-25 22:07:39,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 643 transitions, 15510 flow [2021-03-25 22:07:39,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 643 transitions, 14837 flow, removed 227 selfloop flow, removed 9 redundant places. [2021-03-25 22:07:39,950 INFO L241 Difference]: Finished difference. Result has 483 places, 618 transitions, 13370 flow [2021-03-25 22:07:39,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=12674, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13370, PETRI_PLACES=483, PETRI_TRANSITIONS=618} [2021-03-25 22:07:39,950 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 444 predicate places. [2021-03-25 22:07:39,950 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:39,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 618 transitions, 13370 flow [2021-03-25 22:07:39,951 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 618 transitions, 13370 flow [2021-03-25 22:07:39,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 618 transitions, 13370 flow [2021-03-25 22:07:40,154 INFO L129 PetriNetUnfolder]: 528/1170 cut-off events. [2021-03-25 22:07:40,155 INFO L130 PetriNetUnfolder]: For 61497/61769 co-relation queries the response was YES. [2021-03-25 22:07:40,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15476 conditions, 1170 events. 528/1170 cut-off events. For 61497/61769 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8120 event pairs, 35 based on Foata normal form. 22/1170 useless extension candidates. Maximal degree in co-relation 15269. Up to 473 conditions per place. [2021-03-25 22:07:40,183 INFO L142 LiptonReduction]: Number of co-enabled transitions 594 [2021-03-25 22:07:40,314 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:07:40,315 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:07:40,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 365 [2021-03-25 22:07:40,315 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 618 transitions, 13372 flow [2021-03-25 22:07:40,315 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) [2021-03-25 22:07:40,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:40,315 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:40,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-25 22:07:40,315 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:40,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:40,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1412643637, now seen corresponding path program 4 times [2021-03-25 22:07:40,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:40,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137100288] [2021-03-25 22:07:40,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:40,326 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:40,330 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:40,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:40,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:40,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:40,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:40,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:40,353 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:40,374 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:40,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:40,399 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:40,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:40,423 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:40,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:40,453 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:07:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:07:40,479 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:40,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137100288] [2021-03-25 22:07:40,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:40,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:40,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29384195] [2021-03-25 22:07:40,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:40,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:40,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:40,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:40,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 125 [2021-03-25 22:07:40,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 618 transitions, 13372 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) [2021-03-25 22:07:40,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:40,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 125 [2021-03-25 22:07:40,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:41,547 INFO L129 PetriNetUnfolder]: 796/1577 cut-off events. [2021-03-25 22:07:41,547 INFO L130 PetriNetUnfolder]: For 78126/78153 co-relation queries the response was YES. [2021-03-25 22:07:41,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21442 conditions, 1577 events. 796/1577 cut-off events. For 78126/78153 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 10319 event pairs, 111 based on Foata normal form. 23/1599 useless extension candidates. Maximal degree in co-relation 21219. Up to 1193 conditions per place. [2021-03-25 22:07:41,571 INFO L132 encePairwiseOnDemand]: 92/125 looper letters, 463 selfloop transitions, 200 changer transitions 3/674 dead transitions. [2021-03-25 22:07:41,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 674 transitions, 16170 flow [2021-03-25 22:07:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 22:07:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 22:07:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 664 transitions. [2021-03-25 22:07:41,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2656 [2021-03-25 22:07:41,572 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 664 transitions. [2021-03-25 22:07:41,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 664 transitions. [2021-03-25 22:07:41,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:41,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 664 transitions. [2021-03-25 22:07:41,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 33.2) internal successors, (664), 20 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:41,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 125.0) internal successors, (2625), 21 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:41,575 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 125.0) internal successors, (2625), 21 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:41,575 INFO L185 Difference]: Start difference. First operand has 482 places, 618 transitions, 13372 flow. Second operand 20 states and 664 transitions. [2021-03-25 22:07:41,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 674 transitions, 16170 flow [2021-03-25 22:07:42,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 674 transitions, 15696 flow, removed 120 selfloop flow, removed 10 redundant places. [2021-03-25 22:07:42,081 INFO L241 Difference]: Finished difference. Result has 495 places, 645 transitions, 14096 flow [2021-03-25 22:07:42,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=12932, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=14096, PETRI_PLACES=495, PETRI_TRANSITIONS=645} [2021-03-25 22:07:42,081 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 456 predicate places. [2021-03-25 22:07:42,081 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:42,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 645 transitions, 14096 flow [2021-03-25 22:07:42,082 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 645 transitions, 14096 flow [2021-03-25 22:07:42,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 645 transitions, 14096 flow [2021-03-25 22:07:42,285 INFO L129 PetriNetUnfolder]: 548/1216 cut-off events. [2021-03-25 22:07:42,285 INFO L130 PetriNetUnfolder]: For 65943/66248 co-relation queries the response was YES. [2021-03-25 22:07:42,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16280 conditions, 1216 events. 548/1216 cut-off events. For 65943/66248 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 8522 event pairs, 33 based on Foata normal form. 25/1214 useless extension candidates. Maximal degree in co-relation 16069. Up to 485 conditions per place. [2021-03-25 22:07:42,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-25 22:07:42,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:42,356 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:42,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-03-25 22:07:42,357 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 645 transitions, 14096 flow [2021-03-25 22:07:42,357 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) [2021-03-25 22:07:42,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:42,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:42,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-25 22:07:42,357 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:42,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:42,357 INFO L82 PathProgramCache]: Analyzing trace with hash -10790608, now seen corresponding path program 1 times [2021-03-25 22:07:42,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:42,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405416595] [2021-03-25 22:07:42,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:42,368 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:42,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:42,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:42,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:42,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:42,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:42,394 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:07:42,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:07:42,411 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:07:42,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:07:42,430 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-25 22:07:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:42,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:42,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:42,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:42,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:42,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405416595] [2021-03-25 22:07:42,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:42,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:42,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935899857] [2021-03-25 22:07:42,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:42,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:42,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:42,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:42,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 125 [2021-03-25 22:07:42,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 645 transitions, 14096 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) [2021-03-25 22:07:42,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:42,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 125 [2021-03-25 22:07:42,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:43,454 INFO L129 PetriNetUnfolder]: 800/1598 cut-off events. [2021-03-25 22:07:43,454 INFO L130 PetriNetUnfolder]: For 86105/86126 co-relation queries the response was YES. [2021-03-25 22:07:43,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22178 conditions, 1598 events. 800/1598 cut-off events. For 86105/86126 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10561 event pairs, 127 based on Foata normal form. 19/1616 useless extension candidates. Maximal degree in co-relation 21951. Up to 1088 conditions per place. [2021-03-25 22:07:43,482 INFO L132 encePairwiseOnDemand]: 88/125 looper letters, 378 selfloop transitions, 289 changer transitions 2/677 dead transitions. [2021-03-25 22:07:43,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 677 transitions, 16662 flow [2021-03-25 22:07:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:07:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:07:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 543 transitions. [2021-03-25 22:07:43,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2715 [2021-03-25 22:07:43,483 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 543 transitions. [2021-03-25 22:07:43,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 543 transitions. [2021-03-25 22:07:43,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:43,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 543 transitions. [2021-03-25 22:07:43,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.9375) internal successors, (543), 16 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) [2021-03-25 22:07:43,484 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) [2021-03-25 22:07:43,484 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) [2021-03-25 22:07:43,484 INFO L185 Difference]: Start difference. First operand has 494 places, 645 transitions, 14096 flow. Second operand 16 states and 543 transitions. [2021-03-25 22:07:43,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 677 transitions, 16662 flow [2021-03-25 22:07:44,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 677 transitions, 16227 flow, removed 125 selfloop flow, removed 10 redundant places. [2021-03-25 22:07:44,021 INFO L241 Difference]: Finished difference. Result has 504 places, 655 transitions, 14993 flow [2021-03-25 22:07:44,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=13661, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14993, PETRI_PLACES=504, PETRI_TRANSITIONS=655} [2021-03-25 22:07:44,021 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 465 predicate places. [2021-03-25 22:07:44,021 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:44,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 655 transitions, 14993 flow [2021-03-25 22:07:44,022 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 655 transitions, 14993 flow [2021-03-25 22:07:44,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 655 transitions, 14993 flow [2021-03-25 22:07:44,286 INFO L129 PetriNetUnfolder]: 552/1233 cut-off events. [2021-03-25 22:07:44,286 INFO L130 PetriNetUnfolder]: For 75596/75948 co-relation queries the response was YES. [2021-03-25 22:07:44,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17016 conditions, 1233 events. 552/1233 cut-off events. For 75596/75948 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 8733 event pairs, 36 based on Foata normal form. 20/1225 useless extension candidates. Maximal degree in co-relation 16798. Up to 490 conditions per place. [2021-03-25 22:07:44,312 INFO L142 LiptonReduction]: Number of co-enabled transitions 624 [2021-03-25 22:07:44,429 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:44,430 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:07:44,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 409 [2021-03-25 22:07:44,430 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 655 transitions, 15013 flow [2021-03-25 22:07:44,430 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) [2021-03-25 22:07:44,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:44,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:44,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-25 22:07:44,430 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:44,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:44,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1890126403, now seen corresponding path program 1 times [2021-03-25 22:07:44,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:44,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660063371] [2021-03-25 22:07:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:44,448 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:44,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:44,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:44,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:44,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:44,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:44,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:44,510 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:44,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:44,538 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:44,568 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:07:44,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:07:44,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:44,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660063371] [2021-03-25 22:07:44,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:44,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:44,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524215659] [2021-03-25 22:07:44,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:44,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:44,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:44,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:44,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:44,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 655 transitions, 15013 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) [2021-03-25 22:07:44,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:44,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:44,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:45,696 INFO L129 PetriNetUnfolder]: 799/1596 cut-off events. [2021-03-25 22:07:45,696 INFO L130 PetriNetUnfolder]: For 89782/89803 co-relation queries the response was YES. [2021-03-25 22:07:45,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22746 conditions, 1596 events. 799/1596 cut-off events. For 89782/89803 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10510 event pairs, 152 based on Foata normal form. 18/1613 useless extension candidates. Maximal degree in co-relation 22514. Up to 1348 conditions per place. [2021-03-25 22:07:45,728 INFO L132 encePairwiseOnDemand]: 102/126 looper letters, 495 selfloop transitions, 164 changer transitions 2/669 dead transitions. [2021-03-25 22:07:45,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 669 transitions, 16678 flow [2021-03-25 22:07:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:07:45,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:07:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 526 transitions. [2021-03-25 22:07:45,729 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26091269841269843 [2021-03-25 22:07:45,729 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 526 transitions. [2021-03-25 22:07:45,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 526 transitions. [2021-03-25 22:07:45,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:45,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 526 transitions. [2021-03-25 22:07:45,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.875) internal successors, (526), 16 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:45,730 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) [2021-03-25 22:07:45,731 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) [2021-03-25 22:07:45,731 INFO L185 Difference]: Start difference. First operand has 504 places, 655 transitions, 15013 flow. Second operand 16 states and 526 transitions. [2021-03-25 22:07:45,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 669 transitions, 16678 flow [2021-03-25 22:07:46,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 669 transitions, 15796 flow, removed 222 selfloop flow, removed 11 redundant places. [2021-03-25 22:07:46,309 INFO L241 Difference]: Finished difference. Result has 511 places, 657 transitions, 14602 flow [2021-03-25 22:07:46,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14131, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14602, PETRI_PLACES=511, PETRI_TRANSITIONS=657} [2021-03-25 22:07:46,309 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 472 predicate places. [2021-03-25 22:07:46,309 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:46,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 511 places, 657 transitions, 14602 flow [2021-03-25 22:07:46,310 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 511 places, 657 transitions, 14602 flow [2021-03-25 22:07:46,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 657 transitions, 14602 flow [2021-03-25 22:07:46,543 INFO L129 PetriNetUnfolder]: 547/1228 cut-off events. [2021-03-25 22:07:46,543 INFO L130 PetriNetUnfolder]: For 70157/70481 co-relation queries the response was YES. [2021-03-25 22:07:46,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16887 conditions, 1228 events. 547/1228 cut-off events. For 70157/70481 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 8752 event pairs, 30 based on Foata normal form. 35/1239 useless extension candidates. Maximal degree in co-relation 16667. Up to 480 conditions per place. [2021-03-25 22:07:46,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-25 22:07:46,616 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:46,616 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:46,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-03-25 22:07:46,617 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 657 transitions, 14602 flow [2021-03-25 22:07:46,617 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) [2021-03-25 22:07:46,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:46,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:46,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-25 22:07:46,617 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:46,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:46,617 INFO L82 PathProgramCache]: Analyzing trace with hash -703147275, now seen corresponding path program 2 times [2021-03-25 22:07:46,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:46,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373233756] [2021-03-25 22:07:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:46,627 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:46,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:46,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:46,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:46,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:46,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:46,679 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:46,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:46,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:46,734 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:46,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:46,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373233756] [2021-03-25 22:07:46,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:46,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:46,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917994838] [2021-03-25 22:07:46,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:46,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:46,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:46,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:46,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:46,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 657 transitions, 14602 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) [2021-03-25 22:07:46,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:46,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:46,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:47,567 INFO L129 PetriNetUnfolder]: 798/1598 cut-off events. [2021-03-25 22:07:47,567 INFO L130 PetriNetUnfolder]: For 88791/88812 co-relation queries the response was YES. [2021-03-25 22:07:47,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22764 conditions, 1598 events. 798/1598 cut-off events. For 88791/88812 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10569 event pairs, 162 based on Foata normal form. 14/1611 useless extension candidates. Maximal degree in co-relation 22529. Up to 1445 conditions per place. [2021-03-25 22:07:47,593 INFO L132 encePairwiseOnDemand]: 111/126 looper letters, 621 selfloop transitions, 37 changer transitions 3/669 dead transitions. [2021-03-25 22:07:47,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 669 transitions, 16266 flow [2021-03-25 22:07:47,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:07:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:07:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 419 transitions. [2021-03-25 22:07:47,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2557997557997558 [2021-03-25 22:07:47,594 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 419 transitions. [2021-03-25 22:07:47,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 419 transitions. [2021-03-25 22:07:47,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:47,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 419 transitions. [2021-03-25 22:07:47,595 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) [2021-03-25 22:07:47,596 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) [2021-03-25 22:07:47,596 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) [2021-03-25 22:07:47,596 INFO L185 Difference]: Start difference. First operand has 510 places, 657 transitions, 14602 flow. Second operand 13 states and 419 transitions. [2021-03-25 22:07:47,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 669 transitions, 16266 flow [2021-03-25 22:07:48,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 669 transitions, 15976 flow, removed 18 selfloop flow, removed 12 redundant places. [2021-03-25 22:07:48,167 INFO L241 Difference]: Finished difference. Result has 513 places, 657 transitions, 14469 flow [2021-03-25 22:07:48,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14314, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14469, PETRI_PLACES=513, PETRI_TRANSITIONS=657} [2021-03-25 22:07:48,168 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 474 predicate places. [2021-03-25 22:07:48,168 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:48,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 657 transitions, 14469 flow [2021-03-25 22:07:48,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 657 transitions, 14469 flow [2021-03-25 22:07:48,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 657 transitions, 14469 flow [2021-03-25 22:07:48,397 INFO L129 PetriNetUnfolder]: 552/1229 cut-off events. [2021-03-25 22:07:48,397 INFO L130 PetriNetUnfolder]: For 75412/75772 co-relation queries the response was YES. [2021-03-25 22:07:48,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16990 conditions, 1229 events. 552/1229 cut-off events. For 75412/75772 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 8688 event pairs, 47 based on Foata normal form. 21/1218 useless extension candidates. Maximal degree in co-relation 16784. Up to 481 conditions per place. [2021-03-25 22:07:48,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-25 22:07:48,471 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:48,471 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:48,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303 [2021-03-25 22:07:48,471 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 657 transitions, 14469 flow [2021-03-25 22:07:48,471 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) [2021-03-25 22:07:48,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:48,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:48,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-25 22:07:48,471 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash -204335715, now seen corresponding path program 3 times [2021-03-25 22:07:48,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:48,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30821410] [2021-03-25 22:07:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:48,485 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:48,489 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:48,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:48,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:48,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:48,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:48,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:48,522 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:48,544 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:07:48,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:07:48,568 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:07:48,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:48,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:48,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:07:48,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:48,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:48,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30821410] [2021-03-25 22:07:48,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:48,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:48,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827336912] [2021-03-25 22:07:48,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:48,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:48,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:48,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:48,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:48,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 657 transitions, 14469 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) [2021-03-25 22:07:48,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:48,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:48,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:49,429 INFO L129 PetriNetUnfolder]: 797/1595 cut-off events. [2021-03-25 22:07:49,429 INFO L130 PetriNetUnfolder]: For 90071/90092 co-relation queries the response was YES. [2021-03-25 22:07:49,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22761 conditions, 1595 events. 797/1595 cut-off events. For 90071/90092 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 10560 event pairs, 128 based on Foata normal form. 14/1608 useless extension candidates. Maximal degree in co-relation 22552. Up to 1441 conditions per place. [2021-03-25 22:07:49,457 INFO L132 encePairwiseOnDemand]: 111/126 looper letters, 620 selfloop transitions, 34 changer transitions 6/668 dead transitions. [2021-03-25 22:07:49,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 668 transitions, 15979 flow [2021-03-25 22:07:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:07:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:07:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 420 transitions. [2021-03-25 22:07:49,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2564102564102564 [2021-03-25 22:07:49,459 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 420 transitions. [2021-03-25 22:07:49,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 420 transitions. [2021-03-25 22:07:49,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:49,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 420 transitions. [2021-03-25 22:07:49,459 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) [2021-03-25 22:07:49,460 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) [2021-03-25 22:07:49,460 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) [2021-03-25 22:07:49,460 INFO L185 Difference]: Start difference. First operand has 511 places, 657 transitions, 14469 flow. Second operand 13 states and 420 transitions. [2021-03-25 22:07:49,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 668 transitions, 15979 flow [2021-03-25 22:07:50,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 668 transitions, 15817 flow, removed 45 selfloop flow, removed 11 redundant places. [2021-03-25 22:07:50,039 INFO L241 Difference]: Finished difference. Result has 514 places, 653 transitions, 14339 flow [2021-03-25 22:07:50,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14311, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14339, PETRI_PLACES=514, PETRI_TRANSITIONS=653} [2021-03-25 22:07:50,039 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 475 predicate places. [2021-03-25 22:07:50,039 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:50,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 514 places, 653 transitions, 14339 flow [2021-03-25 22:07:50,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 514 places, 653 transitions, 14339 flow [2021-03-25 22:07:50,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 653 transitions, 14339 flow [2021-03-25 22:07:50,295 INFO L129 PetriNetUnfolder]: 548/1222 cut-off events. [2021-03-25 22:07:50,295 INFO L130 PetriNetUnfolder]: For 74978/75340 co-relation queries the response was YES. [2021-03-25 22:07:50,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16869 conditions, 1222 events. 548/1222 cut-off events. For 74978/75340 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 8678 event pairs, 34 based on Foata normal form. 48/1243 useless extension candidates. Maximal degree in co-relation 16663. Up to 477 conditions per place. [2021-03-25 22:07:50,323 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-25 22:07:50,364 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:50,364 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:50,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 325 [2021-03-25 22:07:50,364 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 653 transitions, 14339 flow [2021-03-25 22:07:50,364 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) [2021-03-25 22:07:50,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:50,364 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:50,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-25 22:07:50,365 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:50,365 INFO L82 PathProgramCache]: Analyzing trace with hash 2062769348, now seen corresponding path program 2 times [2021-03-25 22:07:50,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:50,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234845350] [2021-03-25 22:07:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:50,375 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:50,380 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:50,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:50,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:50,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:50,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:50,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:50,407 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:07:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:07:50,426 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:07:50,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:07:50,446 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:07:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:07:50,468 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:07:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:07:50,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:50,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:50,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:50,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:50,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234845350] [2021-03-25 22:07:50,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:50,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:50,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006558293] [2021-03-25 22:07:50,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:50,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:50,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:50,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:50,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:50,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 653 transitions, 14339 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) [2021-03-25 22:07:50,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:50,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:50,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:51,532 INFO L129 PetriNetUnfolder]: 804/1610 cut-off events. [2021-03-25 22:07:51,532 INFO L130 PetriNetUnfolder]: For 88096/88123 co-relation queries the response was YES. [2021-03-25 22:07:51,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22869 conditions, 1610 events. 804/1610 cut-off events. For 88096/88123 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10680 event pairs, 138 based on Foata normal form. 23/1632 useless extension candidates. Maximal degree in co-relation 22662. Up to 1230 conditions per place. [2021-03-25 22:07:51,561 INFO L132 encePairwiseOnDemand]: 93/126 looper letters, 487 selfloop transitions, 194 changer transitions 11/700 dead transitions. [2021-03-25 22:07:51,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 700 transitions, 16746 flow [2021-03-25 22:07:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:07:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:07:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 622 transitions. [2021-03-25 22:07:51,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2598162071846282 [2021-03-25 22:07:51,563 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 622 transitions. [2021-03-25 22:07:51,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 622 transitions. [2021-03-25 22:07:51,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:51,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 622 transitions. [2021-03-25 22:07:51,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.73684210526316) internal successors, (622), 19 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:51,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 126.0) internal successors, (2520), 20 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:51,564 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 126.0) internal successors, (2520), 20 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:07:51,564 INFO L185 Difference]: Start difference. First operand has 508 places, 653 transitions, 14339 flow. Second operand 19 states and 622 transitions. [2021-03-25 22:07:51,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 700 transitions, 16746 flow [2021-03-25 22:07:52,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 700 transitions, 16480 flow, removed 100 selfloop flow, removed 13 redundant places. [2021-03-25 22:07:52,185 INFO L241 Difference]: Finished difference. Result has 519 places, 672 transitions, 14899 flow [2021-03-25 22:07:52,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14105, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=14899, PETRI_PLACES=519, PETRI_TRANSITIONS=672} [2021-03-25 22:07:52,186 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 480 predicate places. [2021-03-25 22:07:52,186 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:52,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 519 places, 672 transitions, 14899 flow [2021-03-25 22:07:52,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 519 places, 672 transitions, 14899 flow [2021-03-25 22:07:52,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 672 transitions, 14899 flow [2021-03-25 22:07:52,426 INFO L129 PetriNetUnfolder]: 585/1281 cut-off events. [2021-03-25 22:07:52,426 INFO L130 PetriNetUnfolder]: For 71873/72041 co-relation queries the response was YES. [2021-03-25 22:07:52,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17665 conditions, 1281 events. 585/1281 cut-off events. For 71873/72041 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 9026 event pairs, 44 based on Foata normal form. 39/1302 useless extension candidates. Maximal degree in co-relation 17458. Up to 491 conditions per place. [2021-03-25 22:07:52,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-25 22:07:52,503 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:52,503 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:52,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-03-25 22:07:52,503 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 672 transitions, 14899 flow [2021-03-25 22:07:52,503 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) [2021-03-25 22:07:52,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:52,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:52,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-25 22:07:52,503 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:52,504 INFO L82 PathProgramCache]: Analyzing trace with hash 862950072, now seen corresponding path program 3 times [2021-03-25 22:07:52,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:52,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189734589] [2021-03-25 22:07:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:52,514 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:52,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:52,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:52,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:52,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:52,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:52,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:52,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:52,543 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:07:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:07:52,561 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:07:52,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:07:52,596 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-25 22:07:52,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:52,615 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:07:52,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:07:52,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:52,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:52,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:52,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:52,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189734589] [2021-03-25 22:07:52,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:52,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:07:52,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516348067] [2021-03-25 22:07:52,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:07:52,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:52,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:07:52,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:07:52,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:52,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 672 transitions, 14899 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) [2021-03-25 22:07:52,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:52,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:52,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:53,653 INFO L129 PetriNetUnfolder]: 799/1600 cut-off events. [2021-03-25 22:07:53,654 INFO L130 PetriNetUnfolder]: For 91596/91624 co-relation queries the response was YES. [2021-03-25 22:07:53,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23035 conditions, 1600 events. 799/1600 cut-off events. For 91596/91624 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 10608 event pairs, 125 based on Foata normal form. 25/1624 useless extension candidates. Maximal degree in co-relation 22825. Up to 1134 conditions per place. [2021-03-25 22:07:53,684 INFO L132 encePairwiseOnDemand]: 90/126 looper letters, 415 selfloop transitions, 263 changer transitions 11/697 dead transitions. [2021-03-25 22:07:53,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 697 transitions, 17020 flow [2021-03-25 22:07:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:07:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:07:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 558 transitions. [2021-03-25 22:07:53,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2605042016806723 [2021-03-25 22:07:53,685 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 558 transitions. [2021-03-25 22:07:53,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 558 transitions. [2021-03-25 22:07:53,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:53,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 558 transitions. [2021-03-25 22:07:53,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.8235294117647) internal successors, (558), 17 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) [2021-03-25 22:07:53,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 126.0) internal successors, (2268), 18 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) [2021-03-25 22:07:53,687 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 126.0) internal successors, (2268), 18 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) [2021-03-25 22:07:53,687 INFO L185 Difference]: Start difference. First operand has 515 places, 672 transitions, 14899 flow. Second operand 17 states and 558 transitions. [2021-03-25 22:07:53,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 697 transitions, 17020 flow [2021-03-25 22:07:54,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 697 transitions, 16583 flow, removed 70 selfloop flow, removed 14 redundant places. [2021-03-25 22:07:54,282 INFO L241 Difference]: Finished difference. Result has 521 places, 668 transitions, 14955 flow [2021-03-25 22:07:54,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14474, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14955, PETRI_PLACES=521, PETRI_TRANSITIONS=668} [2021-03-25 22:07:54,282 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 482 predicate places. [2021-03-25 22:07:54,282 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:54,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 668 transitions, 14955 flow [2021-03-25 22:07:54,283 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 668 transitions, 14955 flow [2021-03-25 22:07:54,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 668 transitions, 14955 flow [2021-03-25 22:07:54,527 INFO L129 PetriNetUnfolder]: 584/1277 cut-off events. [2021-03-25 22:07:54,527 INFO L130 PetriNetUnfolder]: For 77346/77495 co-relation queries the response was YES. [2021-03-25 22:07:54,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17685 conditions, 1277 events. 584/1277 cut-off events. For 77346/77495 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 9072 event pairs, 43 based on Foata normal form. 21/1272 useless extension candidates. Maximal degree in co-relation 17478. Up to 491 conditions per place. [2021-03-25 22:07:54,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-25 22:07:54,608 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:54,608 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:54,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-25 22:07:54,608 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 668 transitions, 14955 flow [2021-03-25 22:07:54,608 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) [2021-03-25 22:07:54,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:54,608 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:54,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-25 22:07:54,608 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:54,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:54,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1627752406, now seen corresponding path program 1 times [2021-03-25 22:07:54,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:54,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46459382] [2021-03-25 22:07:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:54,631 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:54,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:54,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:54,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:54,679 INFO L142 QuantifierPusher]: treesize reduction 31, result has 48.3 percent of original size [2021-03-25 22:07:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 22:07:54,706 INFO L142 QuantifierPusher]: treesize reduction 54, result has 35.7 percent of original size [2021-03-25 22:07:54,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:07:54,729 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:07:54,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:54,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:07:54,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:54,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:54,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46459382] [2021-03-25 22:07:54,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:54,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:54,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226993478] [2021-03-25 22:07:54,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:54,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:54,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:54,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:54,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:54,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 668 transitions, 14955 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) [2021-03-25 22:07:54,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:54,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:54,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:55,843 INFO L129 PetriNetUnfolder]: 805/1609 cut-off events. [2021-03-25 22:07:55,843 INFO L130 PetriNetUnfolder]: For 95557/95578 co-relation queries the response was YES. [2021-03-25 22:07:55,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23435 conditions, 1609 events. 805/1609 cut-off events. For 95557/95578 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 10641 event pairs, 96 based on Foata normal form. 18/1626 useless extension candidates. Maximal degree in co-relation 23225. Up to 1184 conditions per place. [2021-03-25 22:07:55,873 INFO L132 encePairwiseOnDemand]: 94/126 looper letters, 460 selfloop transitions, 220 changer transitions 2/690 dead transitions. [2021-03-25 22:07:55,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 690 transitions, 16977 flow [2021-03-25 22:07:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:07:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:07:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 460 transitions. [2021-03-25 22:07:55,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28083028083028083 [2021-03-25 22:07:55,874 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 460 transitions. [2021-03-25 22:07:55,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 460 transitions. [2021-03-25 22:07:55,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:55,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 460 transitions. [2021-03-25 22:07:55,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.38461538461539) internal successors, (460), 13 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) [2021-03-25 22:07:55,875 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) [2021-03-25 22:07:55,876 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) [2021-03-25 22:07:55,876 INFO L185 Difference]: Start difference. First operand has 517 places, 668 transitions, 14955 flow. Second operand 13 states and 460 transitions. [2021-03-25 22:07:55,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 690 transitions, 16977 flow [2021-03-25 22:07:56,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 690 transitions, 16437 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-25 22:07:56,501 INFO L241 Difference]: Finished difference. Result has 516 places, 671 transitions, 15195 flow [2021-03-25 22:07:56,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14415, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15195, PETRI_PLACES=516, PETRI_TRANSITIONS=671} [2021-03-25 22:07:56,501 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 477 predicate places. [2021-03-25 22:07:56,501 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:56,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 671 transitions, 15195 flow [2021-03-25 22:07:56,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 671 transitions, 15195 flow [2021-03-25 22:07:56,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 671 transitions, 15195 flow [2021-03-25 22:07:56,745 INFO L129 PetriNetUnfolder]: 591/1279 cut-off events. [2021-03-25 22:07:56,745 INFO L130 PetriNetUnfolder]: For 86083/86299 co-relation queries the response was YES. [2021-03-25 22:07:56,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18031 conditions, 1279 events. 591/1279 cut-off events. For 86083/86299 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 8986 event pairs, 43 based on Foata normal form. 28/1278 useless extension candidates. Maximal degree in co-relation 17825. Up to 502 conditions per place. [2021-03-25 22:07:56,776 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-25 22:07:56,819 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:56,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:56,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 318 [2021-03-25 22:07:56,819 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 671 transitions, 15195 flow [2021-03-25 22:07:56,820 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) [2021-03-25 22:07:56,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:56,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:56,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-25 22:07:56,820 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:56,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:56,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1721913176, now seen corresponding path program 1 times [2021-03-25 22:07:56,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:56,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989534195] [2021-03-25 22:07:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:56,851 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:56,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:56,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:56,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:56,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:56,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:56,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:56,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:56,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:56,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:56,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:56,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:56,941 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:56,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:56,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989534195] [2021-03-25 22:07:56,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:56,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:56,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508339146] [2021-03-25 22:07:56,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:56,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:56,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:56,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:56,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:56,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 671 transitions, 15195 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) [2021-03-25 22:07:56,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:56,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:56,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:57,870 INFO L129 PetriNetUnfolder]: 807/1609 cut-off events. [2021-03-25 22:07:57,870 INFO L130 PetriNetUnfolder]: For 98484/98505 co-relation queries the response was YES. [2021-03-25 22:07:57,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23688 conditions, 1609 events. 807/1609 cut-off events. For 98484/98505 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 10632 event pairs, 128 based on Foata normal form. 18/1626 useless extension candidates. Maximal degree in co-relation 23479. Up to 1225 conditions per place. [2021-03-25 22:07:57,899 INFO L132 encePairwiseOnDemand]: 91/126 looper letters, 423 selfloop transitions, 259 changer transitions 2/692 dead transitions. [2021-03-25 22:07:57,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 692 transitions, 17119 flow [2021-03-25 22:07:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 508 transitions. [2021-03-25 22:07:57,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2687830687830688 [2021-03-25 22:07:57,901 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 508 transitions. [2021-03-25 22:07:57,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 508 transitions. [2021-03-25 22:07:57,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:57,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 508 transitions. [2021-03-25 22:07:57,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.86666666666667) internal successors, (508), 15 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) [2021-03-25 22:07:57,902 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) [2021-03-25 22:07:57,903 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) [2021-03-25 22:07:57,903 INFO L185 Difference]: Start difference. First operand has 515 places, 671 transitions, 15195 flow. Second operand 15 states and 508 transitions. [2021-03-25 22:07:57,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 692 transitions, 17119 flow [2021-03-25 22:07:58,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 692 transitions, 16738 flow, removed 85 selfloop flow, removed 9 redundant places. [2021-03-25 22:07:58,573 INFO L241 Difference]: Finished difference. Result has 524 places, 676 transitions, 15761 flow [2021-03-25 22:07:58,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14814, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15761, PETRI_PLACES=524, PETRI_TRANSITIONS=676} [2021-03-25 22:07:58,574 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 485 predicate places. [2021-03-25 22:07:58,574 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:07:58,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 676 transitions, 15761 flow [2021-03-25 22:07:58,574 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 676 transitions, 15761 flow [2021-03-25 22:07:58,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 676 transitions, 15761 flow [2021-03-25 22:07:58,818 INFO L129 PetriNetUnfolder]: 587/1285 cut-off events. [2021-03-25 22:07:58,818 INFO L130 PetriNetUnfolder]: For 85997/86189 co-relation queries the response was YES. [2021-03-25 22:07:58,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18528 conditions, 1285 events. 587/1285 cut-off events. For 85997/86189 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 9205 event pairs, 36 based on Foata normal form. 28/1288 useless extension candidates. Maximal degree in co-relation 18303. Up to 496 conditions per place. [2021-03-25 22:07:58,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-25 22:07:58,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:07:58,897 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:07:58,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-25 22:07:58,898 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 676 transitions, 15761 flow [2021-03-25 22:07:58,898 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) [2021-03-25 22:07:58,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:07:58,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:07:58,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-25 22:07:58,898 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:07:58,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:07:58,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1688313948, now seen corresponding path program 2 times [2021-03-25 22:07:58,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:07:58,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20493341] [2021-03-25 22:07:58,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:07:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:07:58,909 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:07:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:07:58,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:07:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:58,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:58,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:58,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:07:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:07:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:07:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:07:58,975 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:07:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:07:58,987 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:07:58,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:07:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:07:58,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20493341] [2021-03-25 22:07:58,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:07:58,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:07:58,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479449149] [2021-03-25 22:07:58,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:07:58,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:07:58,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:07:58,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:07:58,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:07:58,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 676 transitions, 15761 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) [2021-03-25 22:07:58,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:07:58,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:07:58,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:07:59,945 INFO L129 PetriNetUnfolder]: 812/1625 cut-off events. [2021-03-25 22:07:59,945 INFO L130 PetriNetUnfolder]: For 104880/104908 co-relation queries the response was YES. [2021-03-25 22:07:59,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24443 conditions, 1625 events. 812/1625 cut-off events. For 104880/104908 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 10840 event pairs, 149 based on Foata normal form. 25/1649 useless extension candidates. Maximal degree in co-relation 24203. Up to 1296 conditions per place. [2021-03-25 22:07:59,975 INFO L132 encePairwiseOnDemand]: 95/126 looper letters, 502 selfloop transitions, 189 changer transitions 2/701 dead transitions. [2021-03-25 22:07:59,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 701 transitions, 17917 flow [2021-03-25 22:07:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:07:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:07:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 503 transitions. [2021-03-25 22:07:59,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2661375661375661 [2021-03-25 22:07:59,976 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 503 transitions. [2021-03-25 22:07:59,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 503 transitions. [2021-03-25 22:07:59,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:07:59,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 503 transitions. [2021-03-25 22:07:59,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.53333333333333) internal successors, (503), 15 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) [2021-03-25 22:07:59,977 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) [2021-03-25 22:07:59,978 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) [2021-03-25 22:07:59,978 INFO L185 Difference]: Start difference. First operand has 524 places, 676 transitions, 15761 flow. Second operand 15 states and 503 transitions. [2021-03-25 22:07:59,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 701 transitions, 17917 flow [2021-03-25 22:08:00,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 701 transitions, 17399 flow, removed 40 selfloop flow, removed 12 redundant places. [2021-03-25 22:08:00,689 INFO L241 Difference]: Finished difference. Result has 530 places, 683 transitions, 16054 flow [2021-03-25 22:08:00,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15245, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16054, PETRI_PLACES=530, PETRI_TRANSITIONS=683} [2021-03-25 22:08:00,689 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 491 predicate places. [2021-03-25 22:08:00,689 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:00,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 683 transitions, 16054 flow [2021-03-25 22:08:00,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 683 transitions, 16054 flow [2021-03-25 22:08:00,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 683 transitions, 16054 flow [2021-03-25 22:08:00,954 INFO L129 PetriNetUnfolder]: 597/1305 cut-off events. [2021-03-25 22:08:00,955 INFO L130 PetriNetUnfolder]: For 89247/89471 co-relation queries the response was YES. [2021-03-25 22:08:00,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18913 conditions, 1305 events. 597/1305 cut-off events. For 89247/89471 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 9328 event pairs, 41 based on Foata normal form. 31/1308 useless extension candidates. Maximal degree in co-relation 18686. Up to 509 conditions per place. [2021-03-25 22:08:00,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 580 [2021-03-25 22:08:01,037 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:01,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:01,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-03-25 22:08:01,037 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 683 transitions, 16054 flow [2021-03-25 22:08:01,037 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) [2021-03-25 22:08:01,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:01,037 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:01,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-25 22:08:01,038 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:01,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:01,038 INFO L82 PathProgramCache]: Analyzing trace with hash -2035198542, now seen corresponding path program 3 times [2021-03-25 22:08:01,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:01,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769590330] [2021-03-25 22:08:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:01,045 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:01,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:01,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:01,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:01,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:01,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:01,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:01,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:01,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:01,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:01,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:01,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:01,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:01,115 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:08:01,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:01,127 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:01,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:01,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769590330] [2021-03-25 22:08:01,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:01,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:01,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554306622] [2021-03-25 22:08:01,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:01,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:01,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:01,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:01,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:08:01,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 683 transitions, 16054 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) [2021-03-25 22:08:01,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:01,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:08:01,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:02,181 INFO L129 PetriNetUnfolder]: 812/1617 cut-off events. [2021-03-25 22:08:02,181 INFO L130 PetriNetUnfolder]: For 103849/103870 co-relation queries the response was YES. [2021-03-25 22:08:02,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24436 conditions, 1617 events. 812/1617 cut-off events. For 103849/103870 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 10754 event pairs, 115 based on Foata normal form. 18/1634 useless extension candidates. Maximal degree in co-relation 24194. Up to 1220 conditions per place. [2021-03-25 22:08:02,215 INFO L132 encePairwiseOnDemand]: 91/126 looper letters, 416 selfloop transitions, 274 changer transitions 2/700 dead transitions. [2021-03-25 22:08:02,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 700 transitions, 17962 flow [2021-03-25 22:08:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:08:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:08:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 592 transitions. [2021-03-25 22:08:02,216 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26102292768959434 [2021-03-25 22:08:02,216 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 592 transitions. [2021-03-25 22:08:02,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 592 transitions. [2021-03-25 22:08:02,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:02,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 592 transitions. [2021-03-25 22:08:02,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.888888888888886) internal successors, (592), 18 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:02,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 126.0) internal successors, (2394), 19 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:02,218 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 126.0) internal successors, (2394), 19 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:02,218 INFO L185 Difference]: Start difference. First operand has 529 places, 683 transitions, 16054 flow. Second operand 18 states and 592 transitions. [2021-03-25 22:08:02,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 700 transitions, 17962 flow [2021-03-25 22:08:02,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 700 transitions, 17471 flow, removed 120 selfloop flow, removed 9 redundant places. [2021-03-25 22:08:02,954 INFO L241 Difference]: Finished difference. Result has 540 places, 684 transitions, 16371 flow [2021-03-25 22:08:02,954 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15593, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=16371, PETRI_PLACES=540, PETRI_TRANSITIONS=684} [2021-03-25 22:08:02,955 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 501 predicate places. [2021-03-25 22:08:02,955 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:02,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 684 transitions, 16371 flow [2021-03-25 22:08:02,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 684 transitions, 16371 flow [2021-03-25 22:08:02,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 684 transitions, 16371 flow [2021-03-25 22:08:03,218 INFO L129 PetriNetUnfolder]: 595/1297 cut-off events. [2021-03-25 22:08:03,218 INFO L130 PetriNetUnfolder]: For 90188/90378 co-relation queries the response was YES. [2021-03-25 22:08:03,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19025 conditions, 1297 events. 595/1297 cut-off events. For 90188/90378 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 9264 event pairs, 42 based on Foata normal form. 25/1297 useless extension candidates. Maximal degree in co-relation 18795. Up to 504 conditions per place. [2021-03-25 22:08:03,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-25 22:08:03,303 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:03,303 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:03,304 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 349 [2021-03-25 22:08:03,304 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 684 transitions, 16371 flow [2021-03-25 22:08:03,304 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) [2021-03-25 22:08:03,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:03,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:03,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-25 22:08:03,304 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:03,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1793156714, now seen corresponding path program 1 times [2021-03-25 22:08:03,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:03,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264736187] [2021-03-25 22:08:03,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:03,312 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:03,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:03,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:03,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:03,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:03,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:03,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:03,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:03,342 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:03,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:03,365 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:03,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:03,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:03,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:03,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:03,411 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:03,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:03,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264736187] [2021-03-25 22:08:03,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:03,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:08:03,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963915746] [2021-03-25 22:08:03,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:08:03,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:03,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:08:03,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:08:03,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-25 22:08:03,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 684 transitions, 16371 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) [2021-03-25 22:08:03,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:03,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-25 22:08:03,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:04,372 INFO L129 PetriNetUnfolder]: 837/1668 cut-off events. [2021-03-25 22:08:04,372 INFO L130 PetriNetUnfolder]: For 111410/111431 co-relation queries the response was YES. [2021-03-25 22:08:04,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25621 conditions, 1668 events. 837/1668 cut-off events. For 111410/111431 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 11091 event pairs, 135 based on Foata normal form. 19/1686 useless extension candidates. Maximal degree in co-relation 25376. Up to 1278 conditions per place. [2021-03-25 22:08:04,406 INFO L132 encePairwiseOnDemand]: 95/126 looper letters, 506 selfloop transitions, 204 changer transitions 4/722 dead transitions. [2021-03-25 22:08:04,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 722 transitions, 19165 flow [2021-03-25 22:08:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:08:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:08:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 510 transitions. [2021-03-25 22:08:04,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2698412698412698 [2021-03-25 22:08:04,408 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 510 transitions. [2021-03-25 22:08:04,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 510 transitions. [2021-03-25 22:08:04,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:04,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 510 transitions. [2021-03-25 22:08:04,408 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) [2021-03-25 22:08:04,409 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) [2021-03-25 22:08:04,409 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) [2021-03-25 22:08:04,409 INFO L185 Difference]: Start difference. First operand has 537 places, 684 transitions, 16371 flow. Second operand 15 states and 510 transitions. [2021-03-25 22:08:04,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 722 transitions, 19165 flow [2021-03-25 22:08:05,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 722 transitions, 18483 flow, removed 79 selfloop flow, removed 13 redundant places. [2021-03-25 22:08:05,156 INFO L241 Difference]: Finished difference. Result has 542 places, 702 transitions, 16929 flow [2021-03-25 22:08:05,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15719, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16929, PETRI_PLACES=542, PETRI_TRANSITIONS=702} [2021-03-25 22:08:05,157 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 503 predicate places. [2021-03-25 22:08:05,157 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:05,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 702 transitions, 16929 flow [2021-03-25 22:08:05,157 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 702 transitions, 16929 flow [2021-03-25 22:08:05,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 542 places, 702 transitions, 16929 flow [2021-03-25 22:08:05,468 INFO L129 PetriNetUnfolder]: 619/1340 cut-off events. [2021-03-25 22:08:05,468 INFO L130 PetriNetUnfolder]: For 91666/91834 co-relation queries the response was YES. [2021-03-25 22:08:05,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19818 conditions, 1340 events. 619/1340 cut-off events. For 91666/91834 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 9545 event pairs, 45 based on Foata normal form. 28/1340 useless extension candidates. Maximal degree in co-relation 19585. Up to 525 conditions per place. [2021-03-25 22:08:05,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-25 22:08:05,653 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:08:05,653 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:08:05,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-03-25 22:08:05,654 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 702 transitions, 16999 flow [2021-03-25 22:08:05,654 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) [2021-03-25 22:08:05,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:05,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:05,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-25 22:08:05,654 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:05,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:05,654 INFO L82 PathProgramCache]: Analyzing trace with hash 170593405, now seen corresponding path program 4 times [2021-03-25 22:08:05,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:05,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672068955] [2021-03-25 22:08:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:05,675 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:05,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:05,681 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:05,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:05,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:05,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:05,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:05,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:05,738 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:05,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:05,769 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:05,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:05,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:05,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:05,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:05,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672068955] [2021-03-25 22:08:05,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:05,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:05,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180373487] [2021-03-25 22:08:05,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:05,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:05,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:05,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:05,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 128 [2021-03-25 22:08:05,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 702 transitions, 16999 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) [2021-03-25 22:08:05,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:05,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 128 [2021-03-25 22:08:05,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:06,920 INFO L129 PetriNetUnfolder]: 834/1661 cut-off events. [2021-03-25 22:08:06,920 INFO L130 PetriNetUnfolder]: For 110445/110466 co-relation queries the response was YES. [2021-03-25 22:08:06,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25617 conditions, 1661 events. 834/1661 cut-off events. For 110445/110466 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 11053 event pairs, 159 based on Foata normal form. 14/1674 useless extension candidates. Maximal degree in co-relation 25369. Up to 1517 conditions per place. [2021-03-25 22:08:06,953 INFO L132 encePairwiseOnDemand]: 113/128 looper letters, 666 selfloop transitions, 31 changer transitions 6/711 dead transitions. [2021-03-25 22:08:06,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 711 transitions, 18556 flow [2021-03-25 22:08:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:08:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:08:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 414 transitions. [2021-03-25 22:08:06,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24879807692307693 [2021-03-25 22:08:06,955 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 414 transitions. [2021-03-25 22:08:06,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 414 transitions. [2021-03-25 22:08:06,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:06,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 414 transitions. [2021-03-25 22:08:06,955 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) [2021-03-25 22:08:06,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:06,956 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:06,956 INFO L185 Difference]: Start difference. First operand has 542 places, 702 transitions, 16999 flow. Second operand 13 states and 414 transitions. [2021-03-25 22:08:06,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 711 transitions, 18556 flow [2021-03-25 22:08:07,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 711 transitions, 17735 flow, removed 265 selfloop flow, removed 9 redundant places. [2021-03-25 22:08:07,727 INFO L241 Difference]: Finished difference. Result has 546 places, 696 transitions, 16165 flow [2021-03-25 22:08:07,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=16180, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16165, PETRI_PLACES=546, PETRI_TRANSITIONS=696} [2021-03-25 22:08:07,727 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 507 predicate places. [2021-03-25 22:08:07,728 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:07,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 696 transitions, 16165 flow [2021-03-25 22:08:07,728 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 696 transitions, 16165 flow [2021-03-25 22:08:07,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 536 places, 696 transitions, 16165 flow [2021-03-25 22:08:07,997 INFO L129 PetriNetUnfolder]: 612/1334 cut-off events. [2021-03-25 22:08:07,997 INFO L130 PetriNetUnfolder]: For 86093/86265 co-relation queries the response was YES. [2021-03-25 22:08:08,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19148 conditions, 1334 events. 612/1334 cut-off events. For 86093/86265 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 9511 event pairs, 37 based on Foata normal form. 28/1336 useless extension candidates. Maximal degree in co-relation 18932. Up to 495 conditions per place. [2021-03-25 22:08:08,032 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-25 22:08:08,197 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:08:08,197 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:08:08,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-03-25 22:08:08,198 INFO L480 AbstractCegarLoop]: Abstraction has has 536 places, 696 transitions, 16183 flow [2021-03-25 22:08:08,198 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) [2021-03-25 22:08:08,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:08,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:08,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-25 22:08:08,198 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:08,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2038655646, now seen corresponding path program 2 times [2021-03-25 22:08:08,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:08,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332326861] [2021-03-25 22:08:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:08,206 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:08,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:08,210 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:08,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:08,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:08,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:08,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:08,234 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:08,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:08,256 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:08,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:08,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:08,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:08,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:08,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:08,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:08,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:08,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332326861] [2021-03-25 22:08:08,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:08,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:08:08,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443142952] [2021-03-25 22:08:08,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:08:08,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:08,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:08:08,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:08:08,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 130 [2021-03-25 22:08:08,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 696 transitions, 16183 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) [2021-03-25 22:08:08,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:08,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 130 [2021-03-25 22:08:08,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:09,325 INFO L129 PetriNetUnfolder]: 847/1693 cut-off events. [2021-03-25 22:08:09,325 INFO L130 PetriNetUnfolder]: For 106019/106040 co-relation queries the response was YES. [2021-03-25 22:08:09,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25529 conditions, 1693 events. 847/1693 cut-off events. For 106019/106040 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 11354 event pairs, 137 based on Foata normal form. 19/1711 useless extension candidates. Maximal degree in co-relation 25311. Up to 1291 conditions per place. [2021-03-25 22:08:09,357 INFO L132 encePairwiseOnDemand]: 95/130 looper letters, 505 selfloop transitions, 212 changer transitions 2/727 dead transitions. [2021-03-25 22:08:09,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 727 transitions, 18734 flow [2021-03-25 22:08:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:08:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:08:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 513 transitions. [2021-03-25 22:08:09,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2630769230769231 [2021-03-25 22:08:09,358 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 513 transitions. [2021-03-25 22:08:09,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 513 transitions. [2021-03-25 22:08:09,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:09,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 513 transitions. [2021-03-25 22:08:09,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.2) internal successors, (513), 15 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) [2021-03-25 22:08:09,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 130.0) internal successors, (2080), 16 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:09,359 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 130.0) internal successors, (2080), 16 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:09,359 INFO L185 Difference]: Start difference. First operand has 536 places, 696 transitions, 16183 flow. Second operand 15 states and 513 transitions. [2021-03-25 22:08:09,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 727 transitions, 18734 flow [2021-03-25 22:08:10,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 727 transitions, 18476 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-03-25 22:08:10,069 INFO L241 Difference]: Finished difference. Result has 543 places, 710 transitions, 17119 flow [2021-03-25 22:08:10,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=15945, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17119, PETRI_PLACES=543, PETRI_TRANSITIONS=710} [2021-03-25 22:08:10,069 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 504 predicate places. [2021-03-25 22:08:10,069 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:10,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 543 places, 710 transitions, 17119 flow [2021-03-25 22:08:10,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 543 places, 710 transitions, 17119 flow [2021-03-25 22:08:10,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 710 transitions, 17119 flow [2021-03-25 22:08:10,349 INFO L129 PetriNetUnfolder]: 617/1349 cut-off events. [2021-03-25 22:08:10,349 INFO L130 PetriNetUnfolder]: For 92613/92896 co-relation queries the response was YES. [2021-03-25 22:08:10,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19817 conditions, 1349 events. 617/1349 cut-off events. For 92613/92896 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 9721 event pairs, 51 based on Foata normal form. 49/1374 useless extension candidates. Maximal degree in co-relation 19585. Up to 511 conditions per place. [2021-03-25 22:08:10,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 634 [2021-03-25 22:08:10,534 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:08:10,534 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:08:10,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-25 22:08:10,534 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 710 transitions, 17150 flow [2021-03-25 22:08:10,535 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) [2021-03-25 22:08:10,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:10,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:10,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-25 22:08:10,535 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:10,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:10,535 INFO L82 PathProgramCache]: Analyzing trace with hash -3011553, now seen corresponding path program 1 times [2021-03-25 22:08:10,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:10,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806332037] [2021-03-25 22:08:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:10,543 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:10,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:10,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:10,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:10,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:10,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:10,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:10,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:10,574 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:10,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:10,596 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:10,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:10,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:10,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:10,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:10,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:10,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:10,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:10,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806332037] [2021-03-25 22:08:10,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:10,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:08:10,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516767353] [2021-03-25 22:08:10,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:08:10,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:10,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:08:10,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:08:10,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 131 [2021-03-25 22:08:10,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 710 transitions, 17150 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) [2021-03-25 22:08:10,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:10,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 131 [2021-03-25 22:08:10,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:11,735 INFO L129 PetriNetUnfolder]: 848/1698 cut-off events. [2021-03-25 22:08:11,735 INFO L130 PetriNetUnfolder]: For 107217/107221 co-relation queries the response was YES. [2021-03-25 22:08:11,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25876 conditions, 1698 events. 848/1698 cut-off events. For 107217/107221 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 11434 event pairs, 146 based on Foata normal form. 6/1703 useless extension candidates. Maximal degree in co-relation 25639. Up to 1300 conditions per place. [2021-03-25 22:08:11,765 INFO L132 encePairwiseOnDemand]: 96/131 looper letters, 513 selfloop transitions, 207 changer transitions 2/730 dead transitions. [2021-03-25 22:08:11,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 730 transitions, 19144 flow [2021-03-25 22:08:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:08:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:08:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 483 transitions. [2021-03-25 22:08:11,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2633587786259542 [2021-03-25 22:08:11,766 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 483 transitions. [2021-03-25 22:08:11,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 483 transitions. [2021-03-25 22:08:11,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:11,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 483 transitions. [2021-03-25 22:08:11,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.5) internal successors, (483), 14 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:11,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:11,767 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:11,767 INFO L185 Difference]: Start difference. First operand has 543 places, 710 transitions, 17150 flow. Second operand 14 states and 483 transitions. [2021-03-25 22:08:11,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 730 transitions, 19144 flow [2021-03-25 22:08:12,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 730 transitions, 18258 flow, removed 278 selfloop flow, removed 10 redundant places. [2021-03-25 22:08:12,584 INFO L241 Difference]: Finished difference. Result has 550 places, 715 transitions, 16920 flow [2021-03-25 22:08:12,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16264, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16920, PETRI_PLACES=550, PETRI_TRANSITIONS=715} [2021-03-25 22:08:12,585 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 511 predicate places. [2021-03-25 22:08:12,585 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:12,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 550 places, 715 transitions, 16920 flow [2021-03-25 22:08:12,586 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 550 places, 715 transitions, 16920 flow [2021-03-25 22:08:12,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 550 places, 715 transitions, 16920 flow [2021-03-25 22:08:12,956 INFO L129 PetriNetUnfolder]: 630/1374 cut-off events. [2021-03-25 22:08:12,957 INFO L130 PetriNetUnfolder]: For 92376/92557 co-relation queries the response was YES. [2021-03-25 22:08:12,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20065 conditions, 1374 events. 630/1374 cut-off events. For 92376/92557 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 9887 event pairs, 43 based on Foata normal form. 34/1383 useless extension candidates. Maximal degree in co-relation 19829. Up to 498 conditions per place. [2021-03-25 22:08:12,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-25 22:08:13,142 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:13,142 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:08:13,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-03-25 22:08:13,143 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 715 transitions, 16945 flow [2021-03-25 22:08:13,143 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) [2021-03-25 22:08:13,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:13,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:13,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-25 22:08:13,143 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:13,143 INFO L82 PathProgramCache]: Analyzing trace with hash -938000556, now seen corresponding path program 1 times [2021-03-25 22:08:13,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:13,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983205230] [2021-03-25 22:08:13,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:13,151 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:13,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:13,156 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:13,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:13,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:13,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:13,188 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-25 22:08:13,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:08:13,191 INFO L142 QuantifierPusher]: treesize reduction 54, result has 35.7 percent of original size [2021-03-25 22:08:13,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:13,207 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:08:13,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:13,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:13,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:08:13,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:13,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983205230] [2021-03-25 22:08:13,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:13,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:08:13,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719970026] [2021-03-25 22:08:13,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:08:13,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:13,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:08:13,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:08:13,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:13,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 715 transitions, 16945 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) [2021-03-25 22:08:13,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:13,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:13,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:14,195 INFO L129 PetriNetUnfolder]: 846/1706 cut-off events. [2021-03-25 22:08:14,195 INFO L130 PetriNetUnfolder]: For 110317/110338 co-relation queries the response was YES. [2021-03-25 22:08:14,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25938 conditions, 1706 events. 846/1706 cut-off events. For 110317/110338 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 11541 event pairs, 127 based on Foata normal form. 18/1723 useless extension candidates. Maximal degree in co-relation 25697. Up to 1365 conditions per place. [2021-03-25 22:08:14,228 INFO L132 encePairwiseOnDemand]: 102/132 looper letters, 579 selfloop transitions, 145 changer transitions 6/738 dead transitions. [2021-03-25 22:08:14,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 738 transitions, 18839 flow [2021-03-25 22:08:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:08:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:08:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 458 transitions. [2021-03-25 22:08:14,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2668997668997669 [2021-03-25 22:08:14,229 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 458 transitions. [2021-03-25 22:08:14,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 458 transitions. [2021-03-25 22:08:14,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:14,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 458 transitions. [2021-03-25 22:08:14,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.23076923076923) internal successors, (458), 13 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) [2021-03-25 22:08:14,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:14,231 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:14,231 INFO L185 Difference]: Start difference. First operand has 550 places, 715 transitions, 16945 flow. Second operand 13 states and 458 transitions. [2021-03-25 22:08:14,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 738 transitions, 18839 flow [2021-03-25 22:08:14,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 738 transitions, 18192 flow, removed 73 selfloop flow, removed 13 redundant places. [2021-03-25 22:08:15,003 INFO L241 Difference]: Finished difference. Result has 553 places, 717 transitions, 16767 flow [2021-03-25 22:08:15,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16298, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16767, PETRI_PLACES=553, PETRI_TRANSITIONS=717} [2021-03-25 22:08:15,004 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 514 predicate places. [2021-03-25 22:08:15,004 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:15,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 717 transitions, 16767 flow [2021-03-25 22:08:15,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 717 transitions, 16767 flow [2021-03-25 22:08:15,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 717 transitions, 16767 flow [2021-03-25 22:08:15,282 INFO L129 PetriNetUnfolder]: 624/1374 cut-off events. [2021-03-25 22:08:15,283 INFO L130 PetriNetUnfolder]: For 89850/90039 co-relation queries the response was YES. [2021-03-25 22:08:15,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19817 conditions, 1374 events. 624/1374 cut-off events. For 89850/90039 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 9928 event pairs, 36 based on Foata normal form. 26/1374 useless extension candidates. Maximal degree in co-relation 19594. Up to 492 conditions per place. [2021-03-25 22:08:15,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 632 [2021-03-25 22:08:15,374 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:15,374 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:15,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-03-25 22:08:15,374 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 717 transitions, 16767 flow [2021-03-25 22:08:15,374 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) [2021-03-25 22:08:15,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:15,374 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:15,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-25 22:08:15,374 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:15,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:15,375 INFO L82 PathProgramCache]: Analyzing trace with hash 361322571, now seen corresponding path program 2 times [2021-03-25 22:08:15,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:15,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768286792] [2021-03-25 22:08:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:15,390 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:15,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:15,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:15,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:15,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:15,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:15,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:15,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:15,429 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:15,459 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:15,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:15,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:15,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:15,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:15,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768286792] [2021-03-25 22:08:15,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:15,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:08:15,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110075909] [2021-03-25 22:08:15,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:08:15,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:15,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:08:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:08:15,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:15,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 717 transitions, 16767 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) [2021-03-25 22:08:15,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:15,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:15,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:16,674 INFO L129 PetriNetUnfolder]: 845/1718 cut-off events. [2021-03-25 22:08:16,675 INFO L130 PetriNetUnfolder]: For 110374/110395 co-relation queries the response was YES. [2021-03-25 22:08:16,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26035 conditions, 1718 events. 845/1718 cut-off events. For 110374/110395 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11720 event pairs, 130 based on Foata normal form. 19/1736 useless extension candidates. Maximal degree in co-relation 25810. Up to 1298 conditions per place. [2021-03-25 22:08:16,713 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 513 selfloop transitions, 227 changer transitions 4/752 dead transitions. [2021-03-25 22:08:16,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 752 transitions, 19243 flow [2021-03-25 22:08:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:08:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:08:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 517 transitions. [2021-03-25 22:08:16,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2611111111111111 [2021-03-25 22:08:16,715 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 517 transitions. [2021-03-25 22:08:16,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 517 transitions. [2021-03-25 22:08:16,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:16,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 517 transitions. [2021-03-25 22:08:16,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.46666666666667) internal successors, (517), 15 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) [2021-03-25 22:08:16,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:16,716 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:16,716 INFO L185 Difference]: Start difference. First operand has 552 places, 717 transitions, 16767 flow. Second operand 15 states and 517 transitions. [2021-03-25 22:08:16,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 752 transitions, 19243 flow [2021-03-25 22:08:17,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 752 transitions, 18781 flow, removed 30 selfloop flow, removed 14 redundant places. [2021-03-25 22:08:17,470 INFO L241 Difference]: Finished difference. Result has 556 places, 736 transitions, 17428 flow [2021-03-25 22:08:17,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16335, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17428, PETRI_PLACES=556, PETRI_TRANSITIONS=736} [2021-03-25 22:08:17,470 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 517 predicate places. [2021-03-25 22:08:17,470 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:17,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 736 transitions, 17428 flow [2021-03-25 22:08:17,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 736 transitions, 17428 flow [2021-03-25 22:08:17,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 556 places, 736 transitions, 17428 flow [2021-03-25 22:08:17,819 INFO L129 PetriNetUnfolder]: 640/1404 cut-off events. [2021-03-25 22:08:17,819 INFO L130 PetriNetUnfolder]: For 103625/103879 co-relation queries the response was YES. [2021-03-25 22:08:17,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20775 conditions, 1404 events. 640/1404 cut-off events. For 103625/103879 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 10172 event pairs, 41 based on Foata normal form. 37/1413 useless extension candidates. Maximal degree in co-relation 20534. Up to 515 conditions per place. [2021-03-25 22:08:17,851 INFO L142 LiptonReduction]: Number of co-enabled transitions 618 [2021-03-25 22:08:17,904 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:17,904 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:17,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 434 [2021-03-25 22:08:17,904 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 736 transitions, 17428 flow [2021-03-25 22:08:17,904 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) [2021-03-25 22:08:17,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:17,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:17,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-25 22:08:17,904 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:17,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1301596562, now seen corresponding path program 1 times [2021-03-25 22:08:17,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:17,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62474430] [2021-03-25 22:08:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:17,917 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:17,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:17,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:17,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:17,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:17,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:17,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:17,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:17,955 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:08:17,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:08:17,958 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:08:17,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:17,978 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-25 22:08:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:08:17,981 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:08:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:17,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:17,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:17,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62474430] [2021-03-25 22:08:17,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:17,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:08:17,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870710810] [2021-03-25 22:08:17,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:08:17,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:17,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:08:17,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:08:17,995 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:17,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 736 transitions, 17428 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) [2021-03-25 22:08:17,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:17,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:17,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:19,013 INFO L129 PetriNetUnfolder]: 841/1720 cut-off events. [2021-03-25 22:08:19,014 INFO L130 PetriNetUnfolder]: For 114968/114989 co-relation queries the response was YES. [2021-03-25 22:08:19,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26301 conditions, 1720 events. 841/1720 cut-off events. For 114968/114989 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 11807 event pairs, 138 based on Foata normal form. 18/1737 useless extension candidates. Maximal degree in co-relation 26053. Up to 1376 conditions per place. [2021-03-25 22:08:19,048 INFO L132 encePairwiseOnDemand]: 102/132 looper letters, 587 selfloop transitions, 154 changer transitions 6/755 dead transitions. [2021-03-25 22:08:19,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 755 transitions, 19277 flow [2021-03-25 22:08:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:08:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:08:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 426 transitions. [2021-03-25 22:08:19,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2689393939393939 [2021-03-25 22:08:19,050 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 426 transitions. [2021-03-25 22:08:19,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 426 transitions. [2021-03-25 22:08:19,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:19,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 426 transitions. [2021-03-25 22:08:19,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 35.5) internal successors, (426), 12 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) [2021-03-25 22:08:19,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:19,051 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:19,051 INFO L185 Difference]: Start difference. First operand has 556 places, 736 transitions, 17428 flow. Second operand 12 states and 426 transitions. [2021-03-25 22:08:19,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 755 transitions, 19277 flow [2021-03-25 22:08:19,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 755 transitions, 18675 flow, removed 98 selfloop flow, removed 11 redundant places. [2021-03-25 22:08:19,789 INFO L241 Difference]: Finished difference. Result has 559 places, 735 transitions, 17249 flow [2021-03-25 22:08:19,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16852, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=736, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17249, PETRI_PLACES=559, PETRI_TRANSITIONS=735} [2021-03-25 22:08:19,790 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 520 predicate places. [2021-03-25 22:08:19,790 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:19,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 559 places, 735 transitions, 17249 flow [2021-03-25 22:08:19,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 559 places, 735 transitions, 17249 flow [2021-03-25 22:08:19,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 735 transitions, 17249 flow [2021-03-25 22:08:20,061 INFO L129 PetriNetUnfolder]: 637/1401 cut-off events. [2021-03-25 22:08:20,062 INFO L130 PetriNetUnfolder]: For 99782/100069 co-relation queries the response was YES. [2021-03-25 22:08:20,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20529 conditions, 1401 events. 637/1401 cut-off events. For 99782/100069 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 10213 event pairs, 37 based on Foata normal form. 35/1405 useless extension candidates. Maximal degree in co-relation 20286. Up to 493 conditions per place. [2021-03-25 22:08:20,096 INFO L142 LiptonReduction]: Number of co-enabled transitions 616 [2021-03-25 22:08:20,151 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:20,151 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:20,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-03-25 22:08:20,152 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 735 transitions, 17249 flow [2021-03-25 22:08:20,152 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) [2021-03-25 22:08:20,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:20,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:20,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-25 22:08:20,152 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:20,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:20,152 INFO L82 PathProgramCache]: Analyzing trace with hash -185136263, now seen corresponding path program 5 times [2021-03-25 22:08:20,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:20,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31082975] [2021-03-25 22:08:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:20,160 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:20,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:20,164 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:20,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:20,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:20,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:20,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:20,189 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:20,212 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:20,234 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:20,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:20,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:20,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:20,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:20,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:20,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:20,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:20,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31082975] [2021-03-25 22:08:20,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:20,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:20,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047860228] [2021-03-25 22:08:20,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:20,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:20,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:20,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:20,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:20,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 735 transitions, 17249 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) [2021-03-25 22:08:20,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:20,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:20,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:21,448 INFO L129 PetriNetUnfolder]: 842/1719 cut-off events. [2021-03-25 22:08:21,448 INFO L130 PetriNetUnfolder]: For 112361/112382 co-relation queries the response was YES. [2021-03-25 22:08:21,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26106 conditions, 1719 events. 842/1719 cut-off events. For 112361/112382 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 11817 event pairs, 145 based on Foata normal form. 18/1736 useless extension candidates. Maximal degree in co-relation 25858. Up to 1279 conditions per place. [2021-03-25 22:08:21,487 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 509 selfloop transitions, 236 changer transitions 2/755 dead transitions. [2021-03-25 22:08:21,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 755 transitions, 19313 flow [2021-03-25 22:08:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:08:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:08:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 566 transitions. [2021-03-25 22:08:21,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2522281639928699 [2021-03-25 22:08:21,489 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 566 transitions. [2021-03-25 22:08:21,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 566 transitions. [2021-03-25 22:08:21,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:21,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 566 transitions. [2021-03-25 22:08:21,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.294117647058826) internal successors, (566), 17 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:21,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:21,490 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:21,490 INFO L185 Difference]: Start difference. First operand has 558 places, 735 transitions, 17249 flow. Second operand 17 states and 566 transitions. [2021-03-25 22:08:21,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 755 transitions, 19313 flow [2021-03-25 22:08:22,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 755 transitions, 18960 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-25 22:08:22,324 INFO L241 Difference]: Finished difference. Result has 566 places, 740 transitions, 17628 flow [2021-03-25 22:08:22,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16902, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=17628, PETRI_PLACES=566, PETRI_TRANSITIONS=740} [2021-03-25 22:08:22,324 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 527 predicate places. [2021-03-25 22:08:22,324 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:22,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 740 transitions, 17628 flow [2021-03-25 22:08:22,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 740 transitions, 17628 flow [2021-03-25 22:08:22,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 740 transitions, 17628 flow [2021-03-25 22:08:22,621 INFO L129 PetriNetUnfolder]: 623/1389 cut-off events. [2021-03-25 22:08:22,621 INFO L130 PetriNetUnfolder]: For 99157/99436 co-relation queries the response was YES. [2021-03-25 22:08:22,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20398 conditions, 1389 events. 623/1389 cut-off events. For 99157/99436 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 10163 event pairs, 38 based on Foata normal form. 36/1402 useless extension candidates. Maximal degree in co-relation 20173. Up to 486 conditions per place. [2021-03-25 22:08:22,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 628 [2021-03-25 22:08:22,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:22,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:22,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 392 [2021-03-25 22:08:22,717 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 740 transitions, 17628 flow [2021-03-25 22:08:22,717 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) [2021-03-25 22:08:22,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:22,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:22,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-25 22:08:22,717 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:22,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:22,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1516271156, now seen corresponding path program 3 times [2021-03-25 22:08:22,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:22,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681443949] [2021-03-25 22:08:22,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:22,727 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:22,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:22,731 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:22,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:22,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:22,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:22,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:22,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:22,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:22,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:22,766 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:22,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:22,790 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:22,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:22,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:22,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:22,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:22,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:22,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:22,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681443949] [2021-03-25 22:08:22,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:22,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:22,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782719803] [2021-03-25 22:08:22,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:22,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:22,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:22,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:22,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:22,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 740 transitions, 17628 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) [2021-03-25 22:08:22,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:22,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:22,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:23,915 INFO L129 PetriNetUnfolder]: 843/1723 cut-off events. [2021-03-25 22:08:23,915 INFO L130 PetriNetUnfolder]: For 112837/112858 co-relation queries the response was YES. [2021-03-25 22:08:23,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26279 conditions, 1723 events. 843/1723 cut-off events. For 112837/112858 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 11859 event pairs, 132 based on Foata normal form. 14/1736 useless extension candidates. Maximal degree in co-relation 26052. Up to 1533 conditions per place. [2021-03-25 22:08:23,950 INFO L132 encePairwiseOnDemand]: 116/132 looper letters, 704 selfloop transitions, 49 changer transitions 2/763 dead transitions. [2021-03-25 22:08:23,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 763 transitions, 19744 flow [2021-03-25 22:08:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:08:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:08:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-25 22:08:23,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24512987012987014 [2021-03-25 22:08:23,951 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-25 22:08:23,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-25 22:08:23,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:23,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-25 22:08:23,952 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) [2021-03-25 22:08:23,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:23,952 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:23,952 INFO L185 Difference]: Start difference. First operand has 565 places, 740 transitions, 17628 flow. Second operand 14 states and 453 transitions. [2021-03-25 22:08:23,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 763 transitions, 19744 flow [2021-03-25 22:08:24,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 763 transitions, 19249 flow, removed 89 selfloop flow, removed 12 redundant places. [2021-03-25 22:08:24,776 INFO L241 Difference]: Finished difference. Result has 569 places, 741 transitions, 17343 flow [2021-03-25 22:08:24,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17143, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17343, PETRI_PLACES=569, PETRI_TRANSITIONS=741} [2021-03-25 22:08:24,777 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 530 predicate places. [2021-03-25 22:08:24,777 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:24,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 569 places, 741 transitions, 17343 flow [2021-03-25 22:08:24,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 569 places, 741 transitions, 17343 flow [2021-03-25 22:08:24,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 567 places, 741 transitions, 17343 flow [2021-03-25 22:08:25,086 INFO L129 PetriNetUnfolder]: 627/1402 cut-off events. [2021-03-25 22:08:25,086 INFO L130 PetriNetUnfolder]: For 96615/96820 co-relation queries the response was YES. [2021-03-25 22:08:25,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20284 conditions, 1402 events. 627/1402 cut-off events. For 96615/96820 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 10310 event pairs, 42 based on Foata normal form. 39/1416 useless extension candidates. Maximal degree in co-relation 20057. Up to 476 conditions per place. [2021-03-25 22:08:25,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 628 [2021-03-25 22:08:25,176 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:25,176 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:25,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 399 [2021-03-25 22:08:25,177 INFO L480 AbstractCegarLoop]: Abstraction has has 567 places, 741 transitions, 17343 flow [2021-03-25 22:08:25,177 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) [2021-03-25 22:08:25,177 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:25,177 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:25,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-25 22:08:25,177 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:25,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:25,177 INFO L82 PathProgramCache]: Analyzing trace with hash -967864197, now seen corresponding path program 6 times [2021-03-25 22:08:25,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:25,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158124369] [2021-03-25 22:08:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:25,185 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:25,189 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:25,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:25,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:25,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:25,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:25,223 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:25,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:25,246 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:25,271 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:25,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:25,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:25,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:25,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:25,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158124369] [2021-03-25 22:08:25,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:25,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:25,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984193561] [2021-03-25 22:08:25,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:25,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:25,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:25,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:25,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:25,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 741 transitions, 17343 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) [2021-03-25 22:08:25,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:25,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:25,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:26,302 INFO L129 PetriNetUnfolder]: 842/1721 cut-off events. [2021-03-25 22:08:26,302 INFO L130 PetriNetUnfolder]: For 111574/111595 co-relation queries the response was YES. [2021-03-25 22:08:26,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26025 conditions, 1721 events. 842/1721 cut-off events. For 111574/111595 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 11801 event pairs, 154 based on Foata normal form. 14/1734 useless extension candidates. Maximal degree in co-relation 25796. Up to 1541 conditions per place. [2021-03-25 22:08:26,337 INFO L132 encePairwiseOnDemand]: 117/132 looper letters, 701 selfloop transitions, 46 changer transitions 3/758 dead transitions. [2021-03-25 22:08:26,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 758 transitions, 19238 flow [2021-03-25 22:08:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:08:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:08:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 450 transitions. [2021-03-25 22:08:26,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2435064935064935 [2021-03-25 22:08:26,338 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 450 transitions. [2021-03-25 22:08:26,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 450 transitions. [2021-03-25 22:08:26,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:26,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 450 transitions. [2021-03-25 22:08:26,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.142857142857146) internal successors, (450), 14 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:26,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:26,339 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:26,339 INFO L185 Difference]: Start difference. First operand has 567 places, 741 transitions, 17343 flow. Second operand 14 states and 450 transitions. [2021-03-25 22:08:26,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 758 transitions, 19238 flow [2021-03-25 22:08:27,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 758 transitions, 19040 flow, removed 52 selfloop flow, removed 12 redundant places. [2021-03-25 22:08:27,133 INFO L241 Difference]: Finished difference. Result has 570 places, 739 transitions, 17198 flow [2021-03-25 22:08:27,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17145, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=741, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17198, PETRI_PLACES=570, PETRI_TRANSITIONS=739} [2021-03-25 22:08:27,134 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 531 predicate places. [2021-03-25 22:08:27,134 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:27,134 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 570 places, 739 transitions, 17198 flow [2021-03-25 22:08:27,134 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 570 places, 739 transitions, 17198 flow [2021-03-25 22:08:27,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 739 transitions, 17198 flow [2021-03-25 22:08:27,558 INFO L129 PetriNetUnfolder]: 629/1403 cut-off events. [2021-03-25 22:08:27,558 INFO L130 PetriNetUnfolder]: For 97988/98256 co-relation queries the response was YES. [2021-03-25 22:08:27,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20308 conditions, 1403 events. 629/1403 cut-off events. For 97988/98256 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 10300 event pairs, 40 based on Foata normal form. 36/1412 useless extension candidates. Maximal degree in co-relation 20081. Up to 476 conditions per place. [2021-03-25 22:08:27,597 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-25 22:08:27,653 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:27,653 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:27,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 520 [2021-03-25 22:08:27,654 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 739 transitions, 17198 flow [2021-03-25 22:08:27,654 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) [2021-03-25 22:08:27,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:27,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:27,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-25 22:08:27,654 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:27,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:27,654 INFO L82 PathProgramCache]: Analyzing trace with hash 36232811, now seen corresponding path program 7 times [2021-03-25 22:08:27,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:27,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635371325] [2021-03-25 22:08:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:27,662 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:27,666 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:27,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:27,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:27,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:27,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:27,690 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:27,713 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:27,736 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:27,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:27,761 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:27,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:27,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:27,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:27,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:27,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635371325] [2021-03-25 22:08:27,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:27,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:27,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486772895] [2021-03-25 22:08:27,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:27,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:27,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:27,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:27,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:27,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 739 transitions, 17198 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) [2021-03-25 22:08:27,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:27,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:27,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:28,932 INFO L129 PetriNetUnfolder]: 841/1722 cut-off events. [2021-03-25 22:08:28,932 INFO L130 PetriNetUnfolder]: For 109850/109854 co-relation queries the response was YES. [2021-03-25 22:08:28,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25943 conditions, 1722 events. 841/1722 cut-off events. For 109850/109854 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 11855 event pairs, 157 based on Foata normal form. 5/1726 useless extension candidates. Maximal degree in co-relation 25714. Up to 1320 conditions per place. [2021-03-25 22:08:28,966 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 524 selfloop transitions, 213 changer transitions 8/753 dead transitions. [2021-03-25 22:08:28,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 753 transitions, 18952 flow [2021-03-25 22:08:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:08:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:08:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 593 transitions. [2021-03-25 22:08:28,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24957912457912457 [2021-03-25 22:08:28,967 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 593 transitions. [2021-03-25 22:08:28,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 593 transitions. [2021-03-25 22:08:28,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:28,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 593 transitions. [2021-03-25 22:08:28,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.94444444444444) internal successors, (593), 18 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:28,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 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) [2021-03-25 22:08:28,969 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 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) [2021-03-25 22:08:28,969 INFO L185 Difference]: Start difference. First operand has 566 places, 739 transitions, 17198 flow. Second operand 18 states and 593 transitions. [2021-03-25 22:08:28,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 753 transitions, 18952 flow [2021-03-25 22:08:29,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 753 transitions, 18850 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-25 22:08:29,800 INFO L241 Difference]: Finished difference. Result has 572 places, 732 transitions, 17392 flow [2021-03-25 22:08:29,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17098, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17392, PETRI_PLACES=572, PETRI_TRANSITIONS=732} [2021-03-25 22:08:29,800 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 533 predicate places. [2021-03-25 22:08:29,800 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:29,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 572 places, 732 transitions, 17392 flow [2021-03-25 22:08:29,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 572 places, 732 transitions, 17392 flow [2021-03-25 22:08:29,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 732 transitions, 17392 flow [2021-03-25 22:08:30,097 INFO L129 PetriNetUnfolder]: 625/1396 cut-off events. [2021-03-25 22:08:30,097 INFO L130 PetriNetUnfolder]: For 95583/95789 co-relation queries the response was YES. [2021-03-25 22:08:30,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20539 conditions, 1396 events. 625/1396 cut-off events. For 95583/95789 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 10282 event pairs, 33 based on Foata normal form. 35/1409 useless extension candidates. Maximal degree in co-relation 20313. Up to 475 conditions per place. [2021-03-25 22:08:30,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-25 22:08:30,197 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:30,197 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:30,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-25 22:08:30,198 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 732 transitions, 17392 flow [2021-03-25 22:08:30,198 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) [2021-03-25 22:08:30,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:30,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:30,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-25 22:08:30,198 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:30,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:30,199 INFO L82 PathProgramCache]: Analyzing trace with hash -823494794, now seen corresponding path program 4 times [2021-03-25 22:08:30,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:30,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131633237] [2021-03-25 22:08:30,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:30,208 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:30,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:30,213 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:30,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:30,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:30,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:30,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:30,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:30,236 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:30,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:30,258 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:30,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:30,281 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:30,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:30,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:30,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:30,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:30,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:30,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131633237] [2021-03-25 22:08:30,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:30,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:30,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470792093] [2021-03-25 22:08:30,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:30,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:30,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:30,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:30,332 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:30,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 732 transitions, 17392 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) [2021-03-25 22:08:30,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:30,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:30,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:31,517 INFO L129 PetriNetUnfolder]: 875/1790 cut-off events. [2021-03-25 22:08:31,517 INFO L130 PetriNetUnfolder]: For 118612/118633 co-relation queries the response was YES. [2021-03-25 22:08:31,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27598 conditions, 1790 events. 875/1790 cut-off events. For 118612/118633 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12373 event pairs, 136 based on Foata normal form. 19/1808 useless extension candidates. Maximal degree in co-relation 27370. Up to 1298 conditions per place. [2021-03-25 22:08:31,551 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 506 selfloop transitions, 271 changer transitions 5/790 dead transitions. [2021-03-25 22:08:31,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 790 transitions, 20822 flow [2021-03-25 22:08:31,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:08:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:08:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 606 transitions. [2021-03-25 22:08:31,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.255050505050505 [2021-03-25 22:08:31,553 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 606 transitions. [2021-03-25 22:08:31,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 606 transitions. [2021-03-25 22:08:31,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:31,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 606 transitions. [2021-03-25 22:08:31,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.666666666666664) internal successors, (606), 18 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) [2021-03-25 22:08:31,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 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) [2021-03-25 22:08:31,554 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 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) [2021-03-25 22:08:31,554 INFO L185 Difference]: Start difference. First operand has 566 places, 732 transitions, 17392 flow. Second operand 18 states and 606 transitions. [2021-03-25 22:08:31,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 790 transitions, 20822 flow [2021-03-25 22:08:32,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 790 transitions, 20267 flow, removed 6 selfloop flow, removed 17 redundant places. [2021-03-25 22:08:32,373 INFO L241 Difference]: Finished difference. Result has 571 places, 769 transitions, 18864 flow [2021-03-25 22:08:32,373 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16897, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18864, PETRI_PLACES=571, PETRI_TRANSITIONS=769} [2021-03-25 22:08:32,373 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 532 predicate places. [2021-03-25 22:08:32,373 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:32,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 769 transitions, 18864 flow [2021-03-25 22:08:32,374 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 769 transitions, 18864 flow [2021-03-25 22:08:32,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 571 places, 769 transitions, 18864 flow [2021-03-25 22:08:32,701 INFO L129 PetriNetUnfolder]: 663/1468 cut-off events. [2021-03-25 22:08:32,701 INFO L130 PetriNetUnfolder]: For 108311/108576 co-relation queries the response was YES. [2021-03-25 22:08:32,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22175 conditions, 1468 events. 663/1468 cut-off events. For 108311/108576 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 10784 event pairs, 36 based on Foata normal form. 44/1486 useless extension candidates. Maximal degree in co-relation 21937. Up to 516 conditions per place. [2021-03-25 22:08:32,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 632 [2021-03-25 22:08:32,804 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:32,804 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:32,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 431 [2021-03-25 22:08:32,804 INFO L480 AbstractCegarLoop]: Abstraction has has 571 places, 769 transitions, 18864 flow [2021-03-25 22:08:32,804 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) [2021-03-25 22:08:32,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:32,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:32,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-25 22:08:32,804 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:32,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:32,805 INFO L82 PathProgramCache]: Analyzing trace with hash -985140839, now seen corresponding path program 8 times [2021-03-25 22:08:32,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:32,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573626411] [2021-03-25 22:08:32,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:32,832 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:32,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:32,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:32,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:32,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:32,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:32,867 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:32,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:32,899 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:32,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:32,931 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:32,969 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:32,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:33,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:33,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:33,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:33,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:33,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573626411] [2021-03-25 22:08:33,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:33,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:33,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074844631] [2021-03-25 22:08:33,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:33,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:33,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:33,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:33,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:33,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 769 transitions, 18864 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) [2021-03-25 22:08:33,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:33,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:33,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:34,451 INFO L129 PetriNetUnfolder]: 872/1785 cut-off events. [2021-03-25 22:08:34,451 INFO L130 PetriNetUnfolder]: For 125349/125370 co-relation queries the response was YES. [2021-03-25 22:08:34,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27818 conditions, 1785 events. 872/1785 cut-off events. For 125349/125370 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12374 event pairs, 145 based on Foata normal form. 18/1802 useless extension candidates. Maximal degree in co-relation 27576. Up to 1365 conditions per place. [2021-03-25 22:08:34,489 INFO L132 encePairwiseOnDemand]: 98/132 looper letters, 533 selfloop transitions, 235 changer transitions 6/782 dead transitions. [2021-03-25 22:08:34,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 782 transitions, 20668 flow [2021-03-25 22:08:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:08:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:08:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 588 transitions. [2021-03-25 22:08:34,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2474747474747475 [2021-03-25 22:08:34,490 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 588 transitions. [2021-03-25 22:08:34,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 588 transitions. [2021-03-25 22:08:34,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:34,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 588 transitions. [2021-03-25 22:08:34,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.666666666666664) internal successors, (588), 18 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:34,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 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) [2021-03-25 22:08:34,492 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 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) [2021-03-25 22:08:34,492 INFO L185 Difference]: Start difference. First operand has 571 places, 769 transitions, 18864 flow. Second operand 18 states and 588 transitions. [2021-03-25 22:08:34,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 782 transitions, 20668 flow [2021-03-25 22:08:35,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 782 transitions, 19809 flow, removed 303 selfloop flow, removed 10 redundant places. [2021-03-25 22:08:35,321 INFO L241 Difference]: Finished difference. Result has 580 places, 764 transitions, 18416 flow [2021-03-25 22:08:35,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=18005, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=769, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18416, PETRI_PLACES=580, PETRI_TRANSITIONS=764} [2021-03-25 22:08:35,321 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 541 predicate places. [2021-03-25 22:08:35,321 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:35,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 580 places, 764 transitions, 18416 flow [2021-03-25 22:08:35,322 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 580 places, 764 transitions, 18416 flow [2021-03-25 22:08:35,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 574 places, 764 transitions, 18416 flow [2021-03-25 22:08:35,644 INFO L129 PetriNetUnfolder]: 658/1461 cut-off events. [2021-03-25 22:08:35,644 INFO L130 PetriNetUnfolder]: For 95816/96152 co-relation queries the response was YES. [2021-03-25 22:08:35,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21725 conditions, 1461 events. 658/1461 cut-off events. For 95816/96152 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 10709 event pairs, 32 based on Foata normal form. 51/1487 useless extension candidates. Maximal degree in co-relation 21496. Up to 483 conditions per place. [2021-03-25 22:08:35,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-25 22:08:35,745 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:35,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:35,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-03-25 22:08:35,746 INFO L480 AbstractCegarLoop]: Abstraction has has 574 places, 764 transitions, 18416 flow [2021-03-25 22:08:35,746 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) [2021-03-25 22:08:35,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:35,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:35,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-25 22:08:35,746 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:35,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:35,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1905338869, now seen corresponding path program 3 times [2021-03-25 22:08:35,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:35,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285561462] [2021-03-25 22:08:35,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:35,755 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:35,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:35,759 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:35,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:35,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:35,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:35,784 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:35,803 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:35,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:35,824 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:08:35,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:08:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:35,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:35,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:35,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:35,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:35,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285561462] [2021-03-25 22:08:35,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:35,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:35,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869263931] [2021-03-25 22:08:35,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:35,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:35,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:35,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:35,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:35,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 764 transitions, 18416 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) [2021-03-25 22:08:35,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:35,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:35,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:37,148 INFO L129 PetriNetUnfolder]: 869/1776 cut-off events. [2021-03-25 22:08:37,148 INFO L130 PetriNetUnfolder]: For 119034/119046 co-relation queries the response was YES. [2021-03-25 22:08:37,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27468 conditions, 1776 events. 869/1776 cut-off events. For 119034/119046 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12288 event pairs, 157 based on Foata normal form. 10/1784 useless extension candidates. Maximal degree in co-relation 27237. Up to 1314 conditions per place. [2021-03-25 22:08:37,184 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 512 selfloop transitions, 273 changer transitions 10/803 dead transitions. [2021-03-25 22:08:37,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 803 transitions, 21104 flow [2021-03-25 22:08:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:08:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:08:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 631 transitions. [2021-03-25 22:08:37,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2515948963317384 [2021-03-25 22:08:37,186 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 631 transitions. [2021-03-25 22:08:37,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 631 transitions. [2021-03-25 22:08:37,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:37,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 631 transitions. [2021-03-25 22:08:37,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.21052631578947) internal successors, (631), 19 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:37,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 132.0) internal successors, (2640), 20 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:37,188 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 132.0) internal successors, (2640), 20 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:37,189 INFO L185 Difference]: Start difference. First operand has 574 places, 764 transitions, 18416 flow. Second operand 19 states and 631 transitions. [2021-03-25 22:08:37,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 803 transitions, 21104 flow [2021-03-25 22:08:37,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 803 transitions, 20617 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-25 22:08:37,989 INFO L241 Difference]: Finished difference. Result has 578 places, 778 transitions, 18928 flow [2021-03-25 22:08:37,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17981, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=18928, PETRI_PLACES=578, PETRI_TRANSITIONS=778} [2021-03-25 22:08:37,990 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 539 predicate places. [2021-03-25 22:08:37,990 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:37,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 578 places, 778 transitions, 18928 flow [2021-03-25 22:08:37,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 578 places, 778 transitions, 18928 flow [2021-03-25 22:08:37,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 578 places, 778 transitions, 18928 flow [2021-03-25 22:08:38,330 INFO L129 PetriNetUnfolder]: 658/1457 cut-off events. [2021-03-25 22:08:38,331 INFO L130 PetriNetUnfolder]: For 97294/97542 co-relation queries the response was YES. [2021-03-25 22:08:38,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21656 conditions, 1457 events. 658/1457 cut-off events. For 97294/97542 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 10732 event pairs, 52 based on Foata normal form. 29/1458 useless extension candidates. Maximal degree in co-relation 21411. Up to 479 conditions per place. [2021-03-25 22:08:38,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-25 22:08:38,436 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:38,437 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:38,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-25 22:08:38,437 INFO L480 AbstractCegarLoop]: Abstraction has has 578 places, 778 transitions, 18928 flow [2021-03-25 22:08:38,437 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) [2021-03-25 22:08:38,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:38,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:38,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-25 22:08:38,437 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash -942458598, now seen corresponding path program 5 times [2021-03-25 22:08:38,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:38,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633551697] [2021-03-25 22:08:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:38,444 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:38,448 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:38,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:38,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:38,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:38,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:38,471 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:38,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:38,493 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:38,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:38,517 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:38,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:38,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:38,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:38,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:38,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:38,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:38,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633551697] [2021-03-25 22:08:38,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:38,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:38,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621997902] [2021-03-25 22:08:38,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:38,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:38,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:38,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:38,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:38,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 778 transitions, 18928 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) [2021-03-25 22:08:38,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:38,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:38,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:39,807 INFO L129 PetriNetUnfolder]: 879/1806 cut-off events. [2021-03-25 22:08:39,807 INFO L130 PetriNetUnfolder]: For 125685/125713 co-relation queries the response was YES. [2021-03-25 22:08:39,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28095 conditions, 1806 events. 879/1806 cut-off events. For 125685/125713 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12591 event pairs, 172 based on Foata normal form. 21/1826 useless extension candidates. Maximal degree in co-relation 27835. Up to 1534 conditions per place. [2021-03-25 22:08:39,844 INFO L132 encePairwiseOnDemand]: 112/132 looper letters, 703 selfloop transitions, 123 changer transitions 7/841 dead transitions. [2021-03-25 22:08:39,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 841 transitions, 22581 flow [2021-03-25 22:08:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:08:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:08:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 565 transitions. [2021-03-25 22:08:39,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2517825311942959 [2021-03-25 22:08:39,845 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 565 transitions. [2021-03-25 22:08:39,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 565 transitions. [2021-03-25 22:08:39,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:39,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 565 transitions. [2021-03-25 22:08:39,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.23529411764706) internal successors, (565), 17 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:39,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:39,847 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:39,847 INFO L185 Difference]: Start difference. First operand has 578 places, 778 transitions, 18928 flow. Second operand 17 states and 565 transitions. [2021-03-25 22:08:39,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 841 transitions, 22581 flow [2021-03-25 22:08:40,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 841 transitions, 22103 flow, removed 25 selfloop flow, removed 17 redundant places. [2021-03-25 22:08:40,663 INFO L241 Difference]: Finished difference. Result has 585 places, 810 transitions, 19976 flow [2021-03-25 22:08:40,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=18485, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=19976, PETRI_PLACES=585, PETRI_TRANSITIONS=810} [2021-03-25 22:08:40,663 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 546 predicate places. [2021-03-25 22:08:40,664 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:40,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 810 transitions, 19976 flow [2021-03-25 22:08:40,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 810 transitions, 19976 flow [2021-03-25 22:08:40,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 585 places, 810 transitions, 19976 flow [2021-03-25 22:08:41,108 INFO L129 PetriNetUnfolder]: 660/1471 cut-off events. [2021-03-25 22:08:41,108 INFO L130 PetriNetUnfolder]: For 109219/109404 co-relation queries the response was YES. [2021-03-25 22:08:41,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22103 conditions, 1471 events. 660/1471 cut-off events. For 109219/109404 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 10864 event pairs, 32 based on Foata normal form. 33/1482 useless extension candidates. Maximal degree in co-relation 21852. Up to 485 conditions per place. [2021-03-25 22:08:41,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 642 [2021-03-25 22:08:41,219 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:41,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:41,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 555 [2021-03-25 22:08:41,219 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 810 transitions, 19976 flow [2021-03-25 22:08:41,219 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) [2021-03-25 22:08:41,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:41,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:41,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-25 22:08:41,220 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:41,220 INFO L82 PathProgramCache]: Analyzing trace with hash 795371769, now seen corresponding path program 9 times [2021-03-25 22:08:41,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:41,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022542612] [2021-03-25 22:08:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:41,227 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:41,231 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:41,256 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:41,280 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:41,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:41,305 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:41,331 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:41,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:41,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:41,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:41,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:41,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:41,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022542612] [2021-03-25 22:08:41,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:41,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:41,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058299234] [2021-03-25 22:08:41,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:41,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:41,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:41,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:41,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:41,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 810 transitions, 19976 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) [2021-03-25 22:08:41,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:41,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:41,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:42,636 INFO L129 PetriNetUnfolder]: 870/1782 cut-off events. [2021-03-25 22:08:42,636 INFO L130 PetriNetUnfolder]: For 128725/128746 co-relation queries the response was YES. [2021-03-25 22:08:42,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27892 conditions, 1782 events. 870/1782 cut-off events. For 128725/128746 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12331 event pairs, 170 based on Foata normal form. 14/1795 useless extension candidates. Maximal degree in co-relation 27626. Up to 1558 conditions per place. [2021-03-25 22:08:42,676 INFO L132 encePairwiseOnDemand]: 113/132 looper letters, 719 selfloop transitions, 101 changer transitions 3/831 dead transitions. [2021-03-25 22:08:42,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 831 transitions, 22241 flow [2021-03-25 22:08:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:08:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:08:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 499 transitions. [2021-03-25 22:08:42,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25202020202020203 [2021-03-25 22:08:42,677 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 499 transitions. [2021-03-25 22:08:42,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 499 transitions. [2021-03-25 22:08:42,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:42,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 499 transitions. [2021-03-25 22:08:42,678 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) [2021-03-25 22:08:42,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:42,679 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:42,679 INFO L185 Difference]: Start difference. First operand has 585 places, 810 transitions, 19976 flow. Second operand 15 states and 499 transitions. [2021-03-25 22:08:42,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 831 transitions, 22241 flow [2021-03-25 22:08:43,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 831 transitions, 21665 flow, removed 240 selfloop flow, removed 7 redundant places. [2021-03-25 22:08:43,620 INFO L241 Difference]: Finished difference. Result has 594 places, 808 transitions, 19570 flow [2021-03-25 22:08:43,621 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=19400, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=810, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19570, PETRI_PLACES=594, PETRI_TRANSITIONS=808} [2021-03-25 22:08:43,621 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 555 predicate places. [2021-03-25 22:08:43,621 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:43,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 808 transitions, 19570 flow [2021-03-25 22:08:43,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 808 transitions, 19570 flow [2021-03-25 22:08:43,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 591 places, 808 transitions, 19570 flow [2021-03-25 22:08:43,963 INFO L129 PetriNetUnfolder]: 662/1473 cut-off events. [2021-03-25 22:08:43,963 INFO L130 PetriNetUnfolder]: For 101915/102118 co-relation queries the response was YES. [2021-03-25 22:08:43,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21887 conditions, 1473 events. 662/1473 cut-off events. For 101915/102118 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 10847 event pairs, 33 based on Foata normal form. 33/1483 useless extension candidates. Maximal degree in co-relation 21652. Up to 472 conditions per place. [2021-03-25 22:08:44,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-25 22:08:44,078 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:44,078 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:44,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-25 22:08:44,078 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 808 transitions, 19570 flow [2021-03-25 22:08:44,079 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) [2021-03-25 22:08:44,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:44,079 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] [2021-03-25 22:08:44,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-25 22:08:44,079 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:44,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1172155488, now seen corresponding path program 3 times [2021-03-25 22:08:44,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:44,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383276078] [2021-03-25 22:08:44,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:44,088 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:44,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:44,092 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:44,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:44,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:44,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:44,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:44,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:44,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:44,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:44,137 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:08:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:44,157 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:08:44,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:44,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:44,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:44,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:44,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:44,203 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:08:44,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:44,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:44,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:44,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383276078] [2021-03-25 22:08:44,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:44,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:08:44,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261796902] [2021-03-25 22:08:44,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:08:44,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:44,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:08:44,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:08:44,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:44,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 808 transitions, 19570 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) [2021-03-25 22:08:44,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:44,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:44,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:45,305 INFO L129 PetriNetUnfolder]: 885/1817 cut-off events. [2021-03-25 22:08:45,306 INFO L130 PetriNetUnfolder]: For 131974/131995 co-relation queries the response was YES. [2021-03-25 22:08:45,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28525 conditions, 1817 events. 885/1817 cut-off events. For 131974/131995 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12655 event pairs, 151 based on Foata normal form. 18/1834 useless extension candidates. Maximal degree in co-relation 28288. Up to 1593 conditions per place. [2021-03-25 22:08:45,346 INFO L132 encePairwiseOnDemand]: 115/132 looper letters, 754 selfloop transitions, 82 changer transitions 3/847 dead transitions. [2021-03-25 22:08:45,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 847 transitions, 22670 flow [2021-03-25 22:08:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:08:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:08:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-25 22:08:45,347 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2474747474747475 [2021-03-25 22:08:45,347 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-25 22:08:45,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-25 22:08:45,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:45,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-25 22:08:45,348 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) [2021-03-25 22:08:45,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:45,349 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:45,349 INFO L185 Difference]: Start difference. First operand has 591 places, 808 transitions, 19570 flow. Second operand 15 states and 490 transitions. [2021-03-25 22:08:45,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 847 transitions, 22670 flow [2021-03-25 22:08:46,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 847 transitions, 22507 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-25 22:08:46,281 INFO L241 Difference]: Finished difference. Result has 598 places, 827 transitions, 20609 flow [2021-03-25 22:08:46,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=19407, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=808, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=733, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=20609, PETRI_PLACES=598, PETRI_TRANSITIONS=827} [2021-03-25 22:08:46,281 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 559 predicate places. [2021-03-25 22:08:46,282 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:46,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 598 places, 827 transitions, 20609 flow [2021-03-25 22:08:46,282 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 598 places, 827 transitions, 20609 flow [2021-03-25 22:08:46,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 597 places, 827 transitions, 20609 flow [2021-03-25 22:08:46,640 INFO L129 PetriNetUnfolder]: 676/1503 cut-off events. [2021-03-25 22:08:46,640 INFO L130 PetriNetUnfolder]: For 117741/118014 co-relation queries the response was YES. [2021-03-25 22:08:46,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22805 conditions, 1503 events. 676/1503 cut-off events. For 117741/118014 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 11136 event pairs, 41 based on Foata normal form. 33/1513 useless extension candidates. Maximal degree in co-relation 22550. Up to 486 conditions per place. [2021-03-25 22:08:46,684 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-25 22:08:46,758 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:46,758 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:46,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 477 [2021-03-25 22:08:46,759 INFO L480 AbstractCegarLoop]: Abstraction has has 597 places, 827 transitions, 20609 flow [2021-03-25 22:08:46,759 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) [2021-03-25 22:08:46,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:46,759 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] [2021-03-25 22:08:46,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-25 22:08:46,759 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1894770373, now seen corresponding path program 1 times [2021-03-25 22:08:46,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:46,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409933667] [2021-03-25 22:08:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:46,767 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:46,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:46,771 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:46,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:46,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:46,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:46,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:46,805 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:08:46,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:08:46,808 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:08:46,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:08:46,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:46,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:08:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:46,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:46,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409933667] [2021-03-25 22:08:46,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:46,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:08:46,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258271218] [2021-03-25 22:08:46,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:08:46,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:46,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:08:46,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:08:46,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:46,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 827 transitions, 20609 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) [2021-03-25 22:08:46,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:46,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:46,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:48,087 INFO L129 PetriNetUnfolder]: 889/1829 cut-off events. [2021-03-25 22:08:48,087 INFO L130 PetriNetUnfolder]: For 138619/138647 co-relation queries the response was YES. [2021-03-25 22:08:48,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28982 conditions, 1829 events. 889/1829 cut-off events. For 138619/138647 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 12824 event pairs, 127 based on Foata normal form. 25/1853 useless extension candidates. Maximal degree in co-relation 28712. Up to 1414 conditions per place. [2021-03-25 22:08:48,123 INFO L132 encePairwiseOnDemand]: 98/132 looper letters, 554 selfloop transitions, 285 changer transitions 5/852 dead transitions. [2021-03-25 22:08:48,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 852 transitions, 22881 flow [2021-03-25 22:08:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:08:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:08:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 477 transitions. [2021-03-25 22:08:48,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25811688311688313 [2021-03-25 22:08:48,124 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 477 transitions. [2021-03-25 22:08:48,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 477 transitions. [2021-03-25 22:08:48,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:48,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 477 transitions. [2021-03-25 22:08:48,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.07142857142857) internal successors, (477), 14 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) [2021-03-25 22:08:48,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:48,126 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:48,126 INFO L185 Difference]: Start difference. First operand has 597 places, 827 transitions, 20609 flow. Second operand 14 states and 477 transitions. [2021-03-25 22:08:48,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 852 transitions, 22881 flow [2021-03-25 22:08:49,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 852 transitions, 21993 flow, removed 405 selfloop flow, removed 7 redundant places. [2021-03-25 22:08:49,107 INFO L241 Difference]: Finished difference. Result has 608 places, 834 transitions, 20718 flow [2021-03-25 22:08:49,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=19767, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20718, PETRI_PLACES=608, PETRI_TRANSITIONS=834} [2021-03-25 22:08:49,108 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 569 predicate places. [2021-03-25 22:08:49,108 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:49,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 834 transitions, 20718 flow [2021-03-25 22:08:49,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 834 transitions, 20718 flow [2021-03-25 22:08:49,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 834 transitions, 20718 flow [2021-03-25 22:08:49,481 INFO L129 PetriNetUnfolder]: 678/1516 cut-off events. [2021-03-25 22:08:49,481 INFO L130 PetriNetUnfolder]: For 114105/114408 co-relation queries the response was YES. [2021-03-25 22:08:49,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23052 conditions, 1516 events. 678/1516 cut-off events. For 114105/114408 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 11374 event pairs, 38 based on Foata normal form. 50/1545 useless extension candidates. Maximal degree in co-relation 22790. Up to 475 conditions per place. [2021-03-25 22:08:49,524 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-25 22:08:49,601 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:49,601 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:08:49,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-03-25 22:08:49,601 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 834 transitions, 20718 flow [2021-03-25 22:08:49,601 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) [2021-03-25 22:08:49,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:49,601 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] [2021-03-25 22:08:49,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-25 22:08:49,602 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:49,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:49,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1060045485, now seen corresponding path program 1 times [2021-03-25 22:08:49,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:49,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472827286] [2021-03-25 22:08:49,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:49,608 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:49,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:49,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:49,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:49,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:49,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:49,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:49,647 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:49,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:49,670 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:49,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:49,694 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:49,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:49,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:49,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:49,744 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:49,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472827286] [2021-03-25 22:08:49,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:49,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:08:49,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361817606] [2021-03-25 22:08:49,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:08:49,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:49,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:08:49,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:08:49,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-25 22:08:49,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 834 transitions, 20718 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) [2021-03-25 22:08:49,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:49,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-25 22:08:49,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:51,155 INFO L129 PetriNetUnfolder]: 900/1858 cut-off events. [2021-03-25 22:08:51,155 INFO L130 PetriNetUnfolder]: For 135156/135177 co-relation queries the response was YES. [2021-03-25 22:08:51,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29722 conditions, 1858 events. 900/1858 cut-off events. For 135156/135177 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13159 event pairs, 140 based on Foata normal form. 18/1875 useless extension candidates. Maximal degree in co-relation 29447. Up to 1625 conditions per place. [2021-03-25 22:08:51,195 INFO L132 encePairwiseOnDemand]: 114/132 looper letters, 771 selfloop transitions, 85 changer transitions 3/867 dead transitions. [2021-03-25 22:08:51,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 867 transitions, 23369 flow [2021-03-25 22:08:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:08:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:08:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-25 22:08:51,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24431818181818182 [2021-03-25 22:08:51,197 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-25 22:08:51,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-25 22:08:51,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:51,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-25 22:08:51,197 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) [2021-03-25 22:08:51,198 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) [2021-03-25 22:08:51,198 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) [2021-03-25 22:08:51,198 INFO L185 Difference]: Start difference. First operand has 607 places, 834 transitions, 20718 flow. Second operand 16 states and 516 transitions. [2021-03-25 22:08:51,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 867 transitions, 23369 flow [2021-03-25 22:08:52,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 867 transitions, 22851 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-25 22:08:52,333 INFO L241 Difference]: Finished difference. Result has 615 places, 852 transitions, 21047 flow [2021-03-25 22:08:52,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=20206, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=760, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21047, PETRI_PLACES=615, PETRI_TRANSITIONS=852} [2021-03-25 22:08:52,333 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 576 predicate places. [2021-03-25 22:08:52,333 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:52,334 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 852 transitions, 21047 flow [2021-03-25 22:08:52,334 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 852 transitions, 21047 flow [2021-03-25 22:08:52,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 613 places, 852 transitions, 21047 flow [2021-03-25 22:08:52,667 INFO L129 PetriNetUnfolder]: 689/1536 cut-off events. [2021-03-25 22:08:52,667 INFO L130 PetriNetUnfolder]: For 117817/118108 co-relation queries the response was YES. [2021-03-25 22:08:52,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23584 conditions, 1536 events. 689/1536 cut-off events. For 117817/118108 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11445 event pairs, 40 based on Foata normal form. 44/1561 useless extension candidates. Maximal degree in co-relation 23340. Up to 480 conditions per place. [2021-03-25 22:08:52,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-25 22:08:52,918 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:08:52,918 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:08:52,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 585 [2021-03-25 22:08:52,918 INFO L480 AbstractCegarLoop]: Abstraction has has 613 places, 852 transitions, 21078 flow [2021-03-25 22:08:52,919 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) [2021-03-25 22:08:52,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:52,919 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] [2021-03-25 22:08:52,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-25 22:08:52,919 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:52,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:52,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1038605395, now seen corresponding path program 2 times [2021-03-25 22:08:52,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:52,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095334383] [2021-03-25 22:08:52,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:52,940 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:52,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:52,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:52,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:52,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:52,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:52,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:52,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:52,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:52,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:53,002 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:53,028 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:08:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:08:53,054 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:08:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:08:53,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:53,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:53,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095334383] [2021-03-25 22:08:53,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:53,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:08:53,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055488885] [2021-03-25 22:08:53,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:08:53,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:53,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:08:53,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:08:53,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 133 [2021-03-25 22:08:53,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 613 places, 852 transitions, 21078 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) [2021-03-25 22:08:53,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:53,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 133 [2021-03-25 22:08:53,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:54,559 INFO L129 PetriNetUnfolder]: 901/1859 cut-off events. [2021-03-25 22:08:54,559 INFO L130 PetriNetUnfolder]: For 140422/140443 co-relation queries the response was YES. [2021-03-25 22:08:54,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29763 conditions, 1859 events. 901/1859 cut-off events. For 140422/140443 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13173 event pairs, 124 based on Foata normal form. 18/1876 useless extension candidates. Maximal degree in co-relation 29517. Up to 1560 conditions per place. [2021-03-25 22:08:54,598 INFO L132 encePairwiseOnDemand]: 107/133 looper letters, 669 selfloop transitions, 188 changer transitions 2/867 dead transitions. [2021-03-25 22:08:54,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 867 transitions, 23240 flow [2021-03-25 22:08:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:08:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:08:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 555 transitions. [2021-03-25 22:08:54,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24546660769570985 [2021-03-25 22:08:54,599 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 555 transitions. [2021-03-25 22:08:54,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 555 transitions. [2021-03-25 22:08:54,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:54,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 555 transitions. [2021-03-25 22:08:54,600 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) [2021-03-25 22:08:54,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 133.0) internal successors, (2394), 18 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:54,600 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 133.0) internal successors, (2394), 18 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:54,600 INFO L185 Difference]: Start difference. First operand has 613 places, 852 transitions, 21078 flow. Second operand 17 states and 555 transitions. [2021-03-25 22:08:54,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 867 transitions, 23240 flow [2021-03-25 22:08:55,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 867 transitions, 22912 flow, removed 120 selfloop flow, removed 9 redundant places. [2021-03-25 22:08:55,786 INFO L241 Difference]: Finished difference. Result has 623 places, 855 transitions, 21359 flow [2021-03-25 22:08:55,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=20752, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=21359, PETRI_PLACES=623, PETRI_TRANSITIONS=855} [2021-03-25 22:08:55,787 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 584 predicate places. [2021-03-25 22:08:55,787 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:55,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 855 transitions, 21359 flow [2021-03-25 22:08:55,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 855 transitions, 21359 flow [2021-03-25 22:08:55,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 855 transitions, 21359 flow [2021-03-25 22:08:56,214 INFO L129 PetriNetUnfolder]: 687/1544 cut-off events. [2021-03-25 22:08:56,214 INFO L130 PetriNetUnfolder]: For 116882/117179 co-relation queries the response was YES. [2021-03-25 22:08:56,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23889 conditions, 1544 events. 687/1544 cut-off events. For 116882/117179 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11586 event pairs, 32 based on Foata normal form. 36/1561 useless extension candidates. Maximal degree in co-relation 23624. Up to 477 conditions per place. [2021-03-25 22:08:56,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-25 22:08:56,453 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:08:56,454 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:08:56,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 667 [2021-03-25 22:08:56,454 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 855 transitions, 21363 flow [2021-03-25 22:08:56,454 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) [2021-03-25 22:08:56,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:56,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:56,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-25 22:08:56,454 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:56,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:56,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1169645359, now seen corresponding path program 1 times [2021-03-25 22:08:56,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:56,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847777988] [2021-03-25 22:08:56,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:56,464 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:56,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:56,468 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:56,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:56,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:56,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:56,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:56,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:56,504 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:08:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:08:56,525 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:08:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:08:56,548 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:08:56,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:08:56,568 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:08:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:08:56,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:56,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:56,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847777988] [2021-03-25 22:08:56,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:56,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:08:56,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612257142] [2021-03-25 22:08:56,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:08:56,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:56,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:08:56,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:08:56,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 134 [2021-03-25 22:08:56,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 855 transitions, 21363 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) [2021-03-25 22:08:56,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:56,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 134 [2021-03-25 22:08:56,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:08:57,919 INFO L129 PetriNetUnfolder]: 903/1861 cut-off events. [2021-03-25 22:08:57,919 INFO L130 PetriNetUnfolder]: For 142519/142540 co-relation queries the response was YES. [2021-03-25 22:08:57,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30058 conditions, 1861 events. 903/1861 cut-off events. For 142519/142540 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13116 event pairs, 164 based on Foata normal form. 18/1878 useless extension candidates. Maximal degree in co-relation 29779. Up to 1635 conditions per place. [2021-03-25 22:08:57,960 INFO L132 encePairwiseOnDemand]: 115/134 looper letters, 782 selfloop transitions, 80 changer transitions 2/872 dead transitions. [2021-03-25 22:08:57,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 872 transitions, 23572 flow [2021-03-25 22:08:57,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:08:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:08:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 462 transitions. [2021-03-25 22:08:57,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2462686567164179 [2021-03-25 22:08:57,962 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 462 transitions. [2021-03-25 22:08:57,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 462 transitions. [2021-03-25 22:08:57,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:08:57,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 462 transitions. [2021-03-25 22:08:57,962 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) [2021-03-25 22:08:57,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 134.0) internal successors, (2010), 15 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:57,963 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 134.0) internal successors, (2010), 15 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:08:57,963 INFO L185 Difference]: Start difference. First operand has 622 places, 855 transitions, 21363 flow. Second operand 14 states and 462 transitions. [2021-03-25 22:08:57,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 872 transitions, 23572 flow [2021-03-25 22:08:58,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 872 transitions, 23365 flow, removed 35 selfloop flow, removed 9 redundant places. [2021-03-25 22:08:58,941 INFO L241 Difference]: Finished difference. Result has 631 places, 860 transitions, 21597 flow [2021-03-25 22:08:58,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=21156, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=776, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21597, PETRI_PLACES=631, PETRI_TRANSITIONS=860} [2021-03-25 22:08:58,942 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 592 predicate places. [2021-03-25 22:08:58,942 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:08:58,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 860 transitions, 21597 flow [2021-03-25 22:08:58,943 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 860 transitions, 21597 flow [2021-03-25 22:08:58,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 630 places, 860 transitions, 21597 flow [2021-03-25 22:08:59,313 INFO L129 PetriNetUnfolder]: 687/1546 cut-off events. [2021-03-25 22:08:59,313 INFO L130 PetriNetUnfolder]: For 120002/120325 co-relation queries the response was YES. [2021-03-25 22:08:59,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23980 conditions, 1546 events. 687/1546 cut-off events. For 120002/120325 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 11639 event pairs, 30 based on Foata normal form. 29/1555 useless extension candidates. Maximal degree in co-relation 23710. Up to 478 conditions per place. [2021-03-25 22:08:59,360 INFO L142 LiptonReduction]: Number of co-enabled transitions 662 [2021-03-25 22:08:59,589 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:08:59,589 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:08:59,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 647 [2021-03-25 22:08:59,589 INFO L480 AbstractCegarLoop]: Abstraction has has 630 places, 860 transitions, 21608 flow [2021-03-25 22:08:59,589 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) [2021-03-25 22:08:59,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:08:59,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:08:59,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-25 22:08:59,590 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:08:59,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:08:59,590 INFO L82 PathProgramCache]: Analyzing trace with hash 141361566, now seen corresponding path program 1 times [2021-03-25 22:08:59,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:08:59,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036497780] [2021-03-25 22:08:59,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:08:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:08:59,597 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:08:59,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:08:59,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:08:59,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:59,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:59,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:59,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:59,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:08:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:59,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:08:59,648 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:08:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:08:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:59,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:08:59,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:08:59,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:08:59,698 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:08:59,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:08:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:08:59,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036497780] [2021-03-25 22:08:59,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:08:59,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:08:59,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000329991] [2021-03-25 22:08:59,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:08:59,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:08:59,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:08:59,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:08:59,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 135 [2021-03-25 22:08:59,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 860 transitions, 21608 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) [2021-03-25 22:08:59,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:08:59,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 135 [2021-03-25 22:08:59,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:00,799 INFO L129 PetriNetUnfolder]: 902/1866 cut-off events. [2021-03-25 22:09:00,799 INFO L130 PetriNetUnfolder]: For 139560/139564 co-relation queries the response was YES. [2021-03-25 22:09:00,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30266 conditions, 1866 events. 902/1866 cut-off events. For 139560/139564 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 13258 event pairs, 134 based on Foata normal form. 5/1870 useless extension candidates. Maximal degree in co-relation 29982. Up to 1690 conditions per place. [2021-03-25 22:09:00,839 INFO L132 encePairwiseOnDemand]: 121/135 looper letters, 821 selfloop transitions, 39 changer transitions 3/871 dead transitions. [2021-03-25 22:09:00,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 871 transitions, 23712 flow [2021-03-25 22:09:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:09:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:09:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 418 transitions. [2021-03-25 22:09:00,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23817663817663817 [2021-03-25 22:09:00,841 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 418 transitions. [2021-03-25 22:09:00,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 418 transitions. [2021-03-25 22:09:00,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:00,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 418 transitions. [2021-03-25 22:09:00,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.15384615384615) internal successors, (418), 13 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:00,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 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) [2021-03-25 22:09:00,842 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 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) [2021-03-25 22:09:00,842 INFO L185 Difference]: Start difference. First operand has 630 places, 860 transitions, 21608 flow. Second operand 13 states and 418 transitions. [2021-03-25 22:09:00,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 871 transitions, 23712 flow [2021-03-25 22:09:01,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 871 transitions, 23391 flow, removed 86 selfloop flow, removed 10 redundant places. [2021-03-25 22:09:01,921 INFO L241 Difference]: Finished difference. Result has 635 places, 860 transitions, 21443 flow [2021-03-25 22:09:01,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=21289, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21443, PETRI_PLACES=635, PETRI_TRANSITIONS=860} [2021-03-25 22:09:01,921 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 596 predicate places. [2021-03-25 22:09:01,921 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:01,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 860 transitions, 21443 flow [2021-03-25 22:09:01,921 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 860 transitions, 21443 flow [2021-03-25 22:09:01,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 633 places, 860 transitions, 21443 flow [2021-03-25 22:09:02,323 INFO L129 PetriNetUnfolder]: 691/1550 cut-off events. [2021-03-25 22:09:02,323 INFO L130 PetriNetUnfolder]: For 124917/125118 co-relation queries the response was YES. [2021-03-25 22:09:02,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23998 conditions, 1550 events. 691/1550 cut-off events. For 124917/125118 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 11634 event pairs, 45 based on Foata normal form. 20/1547 useless extension candidates. Maximal degree in co-relation 23746. Up to 474 conditions per place. [2021-03-25 22:09:02,371 INFO L142 LiptonReduction]: Number of co-enabled transitions 662 [2021-03-25 22:09:02,583 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:09:02,583 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:09:02,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 663 [2021-03-25 22:09:02,584 INFO L480 AbstractCegarLoop]: Abstraction has has 633 places, 860 transitions, 21448 flow [2021-03-25 22:09:02,584 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) [2021-03-25 22:09:02,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:02,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:02,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-25 22:09:02,584 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:02,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1640183143, now seen corresponding path program 1 times [2021-03-25 22:09:02,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:02,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086832612] [2021-03-25 22:09:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:02,605 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:02,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:02,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:02,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:02,644 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:09:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:09:02,667 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:09:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:09:02,691 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:09:02,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:09:02,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:02,729 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:09:02,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:02,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086832612] [2021-03-25 22:09:02,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:02,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:02,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308149617] [2021-03-25 22:09:02,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:02,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:02,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:02,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:02,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:02,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 860 transitions, 21448 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) [2021-03-25 22:09:02,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:02,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:02,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:04,047 INFO L129 PetriNetUnfolder]: 902/1865 cut-off events. [2021-03-25 22:09:04,047 INFO L130 PetriNetUnfolder]: For 149457/149485 co-relation queries the response was YES. [2021-03-25 22:09:04,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30317 conditions, 1865 events. 902/1865 cut-off events. For 149457/149485 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13243 event pairs, 150 based on Foata normal form. 25/1889 useless extension candidates. Maximal degree in co-relation 30063. Up to 1612 conditions per place. [2021-03-25 22:09:04,084 INFO L132 encePairwiseOnDemand]: 110/136 looper letters, 743 selfloop transitions, 119 changer transitions 5/875 dead transitions. [2021-03-25 22:09:04,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 875 transitions, 23599 flow [2021-03-25 22:09:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:09:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:09:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 524 transitions. [2021-03-25 22:09:04,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24080882352941177 [2021-03-25 22:09:04,086 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 524 transitions. [2021-03-25 22:09:04,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 524 transitions. [2021-03-25 22:09:04,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:04,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 524 transitions. [2021-03-25 22:09:04,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.75) internal successors, (524), 16 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:04,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:04,087 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:04,087 INFO L185 Difference]: Start difference. First operand has 633 places, 860 transitions, 21448 flow. Second operand 16 states and 524 transitions. [2021-03-25 22:09:04,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 875 transitions, 23599 flow [2021-03-25 22:09:05,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 875 transitions, 23405 flow, removed 59 selfloop flow, removed 11 redundant places. [2021-03-25 22:09:05,169 INFO L241 Difference]: Finished difference. Result has 642 places, 861 transitions, 21588 flow [2021-03-25 22:09:05,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21264, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=741, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21588, PETRI_PLACES=642, PETRI_TRANSITIONS=861} [2021-03-25 22:09:05,170 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 603 predicate places. [2021-03-25 22:09:05,170 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:05,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 861 transitions, 21588 flow [2021-03-25 22:09:05,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 861 transitions, 21588 flow [2021-03-25 22:09:05,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 638 places, 861 transitions, 21588 flow [2021-03-25 22:09:05,584 INFO L129 PetriNetUnfolder]: 703/1558 cut-off events. [2021-03-25 22:09:05,584 INFO L130 PetriNetUnfolder]: For 130689/131000 co-relation queries the response was YES. [2021-03-25 22:09:05,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24454 conditions, 1558 events. 703/1558 cut-off events. For 130689/131000 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 11648 event pairs, 50 based on Foata normal form. 38/1567 useless extension candidates. Maximal degree in co-relation 24199. Up to 486 conditions per place. [2021-03-25 22:09:05,635 INFO L142 LiptonReduction]: Number of co-enabled transitions 664 [2021-03-25 22:09:05,715 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:05,715 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:05,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 546 [2021-03-25 22:09:05,716 INFO L480 AbstractCegarLoop]: Abstraction has has 638 places, 861 transitions, 21588 flow [2021-03-25 22:09:05,716 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) [2021-03-25 22:09:05,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:05,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:05,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-25 22:09:05,716 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:05,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:05,716 INFO L82 PathProgramCache]: Analyzing trace with hash 994301457, now seen corresponding path program 2 times [2021-03-25 22:09:05,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:05,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287847477] [2021-03-25 22:09:05,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:05,740 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:05,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:05,745 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:05,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:05,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:05,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:05,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:05,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:05,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:05,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:05,792 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:09:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:09:05,826 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:09:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:09:05,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:05,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:05,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:05,894 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:09:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:05,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287847477] [2021-03-25 22:09:05,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:05,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:05,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104470065] [2021-03-25 22:09:05,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:05,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:05,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:05,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:05,899 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:05,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 861 transitions, 21588 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) [2021-03-25 22:09:05,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:05,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:05,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:07,603 INFO L129 PetriNetUnfolder]: 900/1863 cut-off events. [2021-03-25 22:09:07,603 INFO L130 PetriNetUnfolder]: For 151158/151162 co-relation queries the response was YES. [2021-03-25 22:09:07,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30464 conditions, 1863 events. 900/1863 cut-off events. For 151158/151162 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13173 event pairs, 156 based on Foata normal form. 5/1867 useless extension candidates. Maximal degree in co-relation 30207. Up to 1584 conditions per place. [2021-03-25 22:09:07,723 INFO L132 encePairwiseOnDemand]: 109/136 looper letters, 724 selfloop transitions, 139 changer transitions 3/874 dead transitions. [2021-03-25 22:09:07,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 874 transitions, 23785 flow [2021-03-25 22:09:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:09:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:09:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 501 transitions. [2021-03-25 22:09:07,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24558823529411763 [2021-03-25 22:09:07,724 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 501 transitions. [2021-03-25 22:09:07,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 501 transitions. [2021-03-25 22:09:07,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:07,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 501 transitions. [2021-03-25 22:09:07,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.4) internal successors, (501), 15 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) [2021-03-25 22:09:07,726 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) [2021-03-25 22:09:07,726 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) [2021-03-25 22:09:07,726 INFO L185 Difference]: Start difference. First operand has 638 places, 861 transitions, 21588 flow. Second operand 15 states and 501 transitions. [2021-03-25 22:09:07,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 874 transitions, 23785 flow [2021-03-25 22:09:08,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 874 transitions, 23591 flow, removed 9 selfloop flow, removed 11 redundant places. [2021-03-25 22:09:08,841 INFO L241 Difference]: Finished difference. Result has 644 places, 861 transitions, 21768 flow [2021-03-25 22:09:08,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21398, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=21768, PETRI_PLACES=644, PETRI_TRANSITIONS=861} [2021-03-25 22:09:08,841 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 605 predicate places. [2021-03-25 22:09:08,841 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:08,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 861 transitions, 21768 flow [2021-03-25 22:09:08,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 861 transitions, 21768 flow [2021-03-25 22:09:08,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 642 places, 861 transitions, 21768 flow [2021-03-25 22:09:09,259 INFO L129 PetriNetUnfolder]: 696/1549 cut-off events. [2021-03-25 22:09:09,259 INFO L130 PetriNetUnfolder]: For 138183/138527 co-relation queries the response was YES. [2021-03-25 22:09:09,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24561 conditions, 1549 events. 696/1549 cut-off events. For 138183/138527 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11565 event pairs, 42 based on Foata normal form. 38/1558 useless extension candidates. Maximal degree in co-relation 24306. Up to 485 conditions per place. [2021-03-25 22:09:09,303 INFO L142 LiptonReduction]: Number of co-enabled transitions 664 [2021-03-25 22:09:09,384 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:09,384 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:09,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 543 [2021-03-25 22:09:09,384 INFO L480 AbstractCegarLoop]: Abstraction has has 642 places, 861 transitions, 21768 flow [2021-03-25 22:09:09,384 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) [2021-03-25 22:09:09,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:09,384 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:09,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-25 22:09:09,385 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:09,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:09,385 INFO L82 PathProgramCache]: Analyzing trace with hash -330209123, now seen corresponding path program 2 times [2021-03-25 22:09:09,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:09,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272130832] [2021-03-25 22:09:09,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:09,404 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:09,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:09,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:09,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:09,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:09,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:09,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:09,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:09,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:09,477 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:09:09,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:09,506 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:09:09,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:09:09,537 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:09:09,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:09:09,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:09,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:09,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272130832] [2021-03-25 22:09:09,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:09,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:09,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222926185] [2021-03-25 22:09:09,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:09,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:09,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:09,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:09,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:09,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 861 transitions, 21768 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) [2021-03-25 22:09:09,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:09,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:09,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:11,087 INFO L129 PetriNetUnfolder]: 899/1858 cut-off events. [2021-03-25 22:09:11,087 INFO L130 PetriNetUnfolder]: For 156755/156776 co-relation queries the response was YES. [2021-03-25 22:09:11,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30627 conditions, 1858 events. 899/1858 cut-off events. For 156755/156776 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 13110 event pairs, 163 based on Foata normal form. 18/1875 useless extension candidates. Maximal degree in co-relation 30370. Up to 1627 conditions per place. [2021-03-25 22:09:11,131 INFO L132 encePairwiseOnDemand]: 116/136 looper letters, 779 selfloop transitions, 86 changer transitions 2/875 dead transitions. [2021-03-25 22:09:11,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 875 transitions, 23938 flow [2021-03-25 22:09:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:09:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:09:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-25 22:09:11,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23713235294117646 [2021-03-25 22:09:11,133 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-25 22:09:11,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-25 22:09:11,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:11,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-25 22:09:11,133 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) [2021-03-25 22:09:11,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:11,134 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:11,134 INFO L185 Difference]: Start difference. First operand has 642 places, 861 transitions, 21768 flow. Second operand 16 states and 516 transitions. [2021-03-25 22:09:11,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 875 transitions, 23938 flow [2021-03-25 22:09:12,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 875 transitions, 23544 flow, removed 49 selfloop flow, removed 14 redundant places. [2021-03-25 22:09:12,268 INFO L241 Difference]: Finished difference. Result has 646 places, 863 transitions, 21755 flow [2021-03-25 22:09:12,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21384, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=776, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21755, PETRI_PLACES=646, PETRI_TRANSITIONS=863} [2021-03-25 22:09:12,268 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 607 predicate places. [2021-03-25 22:09:12,268 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:12,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 863 transitions, 21755 flow [2021-03-25 22:09:12,268 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 863 transitions, 21755 flow [2021-03-25 22:09:12,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 645 places, 863 transitions, 21755 flow [2021-03-25 22:09:12,658 INFO L129 PetriNetUnfolder]: 694/1554 cut-off events. [2021-03-25 22:09:12,658 INFO L130 PetriNetUnfolder]: For 130943/131254 co-relation queries the response was YES. [2021-03-25 22:09:12,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24285 conditions, 1554 events. 694/1554 cut-off events. For 130943/131254 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11660 event pairs, 50 based on Foata normal form. 41/1571 useless extension candidates. Maximal degree in co-relation 24013. Up to 482 conditions per place. [2021-03-25 22:09:12,706 INFO L142 LiptonReduction]: Number of co-enabled transitions 662 [2021-03-25 22:09:12,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:12,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:12,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 513 [2021-03-25 22:09:12,781 INFO L480 AbstractCegarLoop]: Abstraction has has 645 places, 863 transitions, 21755 flow [2021-03-25 22:09:12,782 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) [2021-03-25 22:09:12,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:12,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:12,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-25 22:09:12,782 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:12,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:12,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1190272945, now seen corresponding path program 3 times [2021-03-25 22:09:12,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:12,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661159764] [2021-03-25 22:09:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:12,807 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:12,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:12,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:12,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:12,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:12,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:12,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:12,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:12,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:12,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:12,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:12,858 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:09:12,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:12,879 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:09:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:09:12,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:12,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:12,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:12,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:12,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661159764] [2021-03-25 22:09:12,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:12,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:12,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878206342] [2021-03-25 22:09:12,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:12,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:12,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:12,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:12,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:12,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 863 transitions, 21755 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) [2021-03-25 22:09:12,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:12,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:12,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:14,079 INFO L129 PetriNetUnfolder]: 898/1859 cut-off events. [2021-03-25 22:09:14,080 INFO L130 PetriNetUnfolder]: For 151178/151199 co-relation queries the response was YES. [2021-03-25 22:09:14,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30318 conditions, 1859 events. 898/1859 cut-off events. For 151178/151199 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13145 event pairs, 149 based on Foata normal form. 14/1872 useless extension candidates. Maximal degree in co-relation 30044. Up to 1681 conditions per place. [2021-03-25 22:09:14,122 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 820 selfloop transitions, 43 changer transitions 3/874 dead transitions. [2021-03-25 22:09:14,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 874 transitions, 23676 flow [2021-03-25 22:09:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:09:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:09:14,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 447 transitions. [2021-03-25 22:09:14,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2347689075630252 [2021-03-25 22:09:14,123 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 447 transitions. [2021-03-25 22:09:14,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 447 transitions. [2021-03-25 22:09:14,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:14,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 447 transitions. [2021-03-25 22:09:14,123 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) [2021-03-25 22:09:14,124 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) [2021-03-25 22:09:14,124 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) [2021-03-25 22:09:14,124 INFO L185 Difference]: Start difference. First operand has 645 places, 863 transitions, 21755 flow. Second operand 14 states and 447 transitions. [2021-03-25 22:09:14,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 874 transitions, 23676 flow [2021-03-25 22:09:15,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 874 transitions, 23373 flow, removed 80 selfloop flow, removed 12 redundant places. [2021-03-25 22:09:15,247 INFO L241 Difference]: Finished difference. Result has 648 places, 861 transitions, 21497 flow [2021-03-25 22:09:15,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21454, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21497, PETRI_PLACES=648, PETRI_TRANSITIONS=861} [2021-03-25 22:09:15,248 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 609 predicate places. [2021-03-25 22:09:15,248 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:15,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 861 transitions, 21497 flow [2021-03-25 22:09:15,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 861 transitions, 21497 flow [2021-03-25 22:09:15,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 645 places, 861 transitions, 21497 flow [2021-03-25 22:09:15,674 INFO L129 PetriNetUnfolder]: 692/1553 cut-off events. [2021-03-25 22:09:15,674 INFO L130 PetriNetUnfolder]: For 126600/126915 co-relation queries the response was YES. [2021-03-25 22:09:15,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24035 conditions, 1553 events. 692/1553 cut-off events. For 126600/126915 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 11653 event pairs, 40 based on Foata normal form. 43/1577 useless extension candidates. Maximal degree in co-relation 23782. Up to 475 conditions per place. [2021-03-25 22:09:15,724 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-25 22:09:15,809 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:15,809 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:15,809 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 561 [2021-03-25 22:09:15,809 INFO L480 AbstractCegarLoop]: Abstraction has has 645 places, 861 transitions, 21497 flow [2021-03-25 22:09:15,809 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) [2021-03-25 22:09:15,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:15,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:15,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-25 22:09:15,810 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:15,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:15,810 INFO L82 PathProgramCache]: Analyzing trace with hash -174321162, now seen corresponding path program 2 times [2021-03-25 22:09:15,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:15,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109884757] [2021-03-25 22:09:15,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:15,823 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:15,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:15,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:15,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:15,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:15,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:15,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:15,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:15,885 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:09:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:09:15,916 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:09:15,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:09:15,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:15,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:15,964 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:09:15,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:15,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109884757] [2021-03-25 22:09:15,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:15,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:15,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516037526] [2021-03-25 22:09:15,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:15,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:15,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:15,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:15,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:15,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 861 transitions, 21497 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) [2021-03-25 22:09:15,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:15,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:15,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:17,144 INFO L129 PetriNetUnfolder]: 897/1855 cut-off events. [2021-03-25 22:09:17,144 INFO L130 PetriNetUnfolder]: For 144640/144661 co-relation queries the response was YES. [2021-03-25 22:09:17,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30100 conditions, 1855 events. 897/1855 cut-off events. For 144640/144661 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13154 event pairs, 155 based on Foata normal form. 14/1868 useless extension candidates. Maximal degree in co-relation 29843. Up to 1684 conditions per place. [2021-03-25 22:09:17,187 INFO L132 encePairwiseOnDemand]: 122/136 looper letters, 821 selfloop transitions, 35 changer transitions 5/869 dead transitions. [2021-03-25 22:09:17,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 869 transitions, 23349 flow [2021-03-25 22:09:17,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:09:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:09:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 416 transitions. [2021-03-25 22:09:17,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2021-03-25 22:09:17,188 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 416 transitions. [2021-03-25 22:09:17,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 416 transitions. [2021-03-25 22:09:17,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:17,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 416 transitions. [2021-03-25 22:09:17,189 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) [2021-03-25 22:09:17,189 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) [2021-03-25 22:09:17,189 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) [2021-03-25 22:09:17,189 INFO L185 Difference]: Start difference. First operand has 645 places, 861 transitions, 21497 flow. Second operand 13 states and 416 transitions. [2021-03-25 22:09:17,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 869 transitions, 23349 flow [2021-03-25 22:09:18,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 869 transitions, 23248 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-25 22:09:18,288 INFO L241 Difference]: Finished difference. Result has 645 places, 856 transitions, 21402 flow [2021-03-25 22:09:18,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21396, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21402, PETRI_PLACES=645, PETRI_TRANSITIONS=856} [2021-03-25 22:09:18,288 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 606 predicate places. [2021-03-25 22:09:18,288 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:18,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 645 places, 856 transitions, 21402 flow [2021-03-25 22:09:18,289 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 645 places, 856 transitions, 21402 flow [2021-03-25 22:09:18,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 856 transitions, 21402 flow [2021-03-25 22:09:18,654 INFO L129 PetriNetUnfolder]: 689/1542 cut-off events. [2021-03-25 22:09:18,654 INFO L130 PetriNetUnfolder]: For 126307/126646 co-relation queries the response was YES. [2021-03-25 22:09:18,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23949 conditions, 1542 events. 689/1542 cut-off events. For 126307/126646 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 11496 event pairs, 36 based on Foata normal form. 40/1562 useless extension candidates. Maximal degree in co-relation 23695. Up to 474 conditions per place. [2021-03-25 22:09:18,701 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-25 22:09:18,784 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:18,784 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:18,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-03-25 22:09:18,784 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 856 transitions, 21402 flow [2021-03-25 22:09:18,785 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) [2021-03-25 22:09:18,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:18,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:18,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-25 22:09:18,785 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:18,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:18,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1236609457, now seen corresponding path program 4 times [2021-03-25 22:09:18,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:18,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620157389] [2021-03-25 22:09:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:18,794 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:18,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:18,798 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:18,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:18,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:18,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:18,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:18,833 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:09:18,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:09:18,854 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-25 22:09:18,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:18,873 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:09:18,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:09:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:18,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620157389] [2021-03-25 22:09:18,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:18,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:18,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909296672] [2021-03-25 22:09:18,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:18,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:18,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:18,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:18,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:18,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 856 transitions, 21402 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) [2021-03-25 22:09:18,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:18,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:18,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:20,341 INFO L129 PetriNetUnfolder]: 896/1852 cut-off events. [2021-03-25 22:09:20,341 INFO L130 PetriNetUnfolder]: For 149293/149325 co-relation queries the response was YES. [2021-03-25 22:09:20,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30065 conditions, 1852 events. 896/1852 cut-off events. For 149293/149325 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13098 event pairs, 165 based on Foata normal form. 23/1873 useless extension candidates. Maximal degree in co-relation 29809. Up to 1624 conditions per place. [2021-03-25 22:09:20,377 INFO L132 encePairwiseOnDemand]: 117/136 looper letters, 780 selfloop transitions, 74 changer transitions 6/868 dead transitions. [2021-03-25 22:09:20,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 868 transitions, 23337 flow [2021-03-25 22:09:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:09:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:09:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 513 transitions. [2021-03-25 22:09:20,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23575367647058823 [2021-03-25 22:09:20,378 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 513 transitions. [2021-03-25 22:09:20,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 513 transitions. [2021-03-25 22:09:20,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:20,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 513 transitions. [2021-03-25 22:09:20,379 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) [2021-03-25 22:09:20,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:20,380 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:20,380 INFO L185 Difference]: Start difference. First operand has 637 places, 856 transitions, 21402 flow. Second operand 16 states and 513 transitions. [2021-03-25 22:09:20,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 868 transitions, 23337 flow [2021-03-25 22:09:21,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 868 transitions, 23091 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-25 22:09:21,293 INFO L241 Difference]: Finished difference. Result has 643 places, 853 transitions, 21223 flow [2021-03-25 22:09:21,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21160, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=782, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21223, PETRI_PLACES=643, PETRI_TRANSITIONS=853} [2021-03-25 22:09:21,294 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 604 predicate places. [2021-03-25 22:09:21,294 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:21,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 853 transitions, 21223 flow [2021-03-25 22:09:21,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 853 transitions, 21223 flow [2021-03-25 22:09:21,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 853 transitions, 21223 flow [2021-03-25 22:09:21,641 INFO L129 PetriNetUnfolder]: 683/1529 cut-off events. [2021-03-25 22:09:21,641 INFO L130 PetriNetUnfolder]: For 124617/124965 co-relation queries the response was YES. [2021-03-25 22:09:21,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23684 conditions, 1529 events. 683/1529 cut-off events. For 124617/124965 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 11455 event pairs, 32 based on Foata normal form. 38/1546 useless extension candidates. Maximal degree in co-relation 23431. Up to 473 conditions per place. [2021-03-25 22:09:21,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-25 22:09:21,768 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:21,768 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:21,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-03-25 22:09:21,768 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 853 transitions, 21223 flow [2021-03-25 22:09:21,768 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) [2021-03-25 22:09:21,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:21,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:21,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-25 22:09:21,769 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:21,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:21,769 INFO L82 PathProgramCache]: Analyzing trace with hash 2103334974, now seen corresponding path program 1 times [2021-03-25 22:09:21,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:21,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477301953] [2021-03-25 22:09:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:21,775 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:21,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:21,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:21,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:21,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:21,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:21,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:21,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:21,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:21,812 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:09:21,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:09:21,831 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:09:21,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:21,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:09:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:09:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:21,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:21,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:21,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477301953] [2021-03-25 22:09:21,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:21,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:21,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341444282] [2021-03-25 22:09:21,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:21,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:21,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:21,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:21,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:21,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 853 transitions, 21223 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) [2021-03-25 22:09:21,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:21,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:21,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:23,347 INFO L129 PetriNetUnfolder]: 894/1849 cut-off events. [2021-03-25 22:09:23,347 INFO L130 PetriNetUnfolder]: For 138563/138584 co-relation queries the response was YES. [2021-03-25 22:09:23,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29759 conditions, 1849 events. 894/1849 cut-off events. For 138563/138584 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13112 event pairs, 126 based on Foata normal form. 18/1866 useless extension candidates. Maximal degree in co-relation 29504. Up to 1620 conditions per place. [2021-03-25 22:09:23,389 INFO L132 encePairwiseOnDemand]: 117/136 looper letters, 776 selfloop transitions, 74 changer transitions 5/863 dead transitions. [2021-03-25 22:09:23,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 863 transitions, 23135 flow [2021-03-25 22:09:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:09:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:09:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 512 transitions. [2021-03-25 22:09:23,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2021-03-25 22:09:23,391 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 512 transitions. [2021-03-25 22:09:23,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 512 transitions. [2021-03-25 22:09:23,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:23,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 512 transitions. [2021-03-25 22:09:23,391 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) [2021-03-25 22:09:23,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:23,392 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:23,392 INFO L185 Difference]: Start difference. First operand has 639 places, 853 transitions, 21223 flow. Second operand 16 states and 512 transitions. [2021-03-25 22:09:23,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 863 transitions, 23135 flow [2021-03-25 22:09:24,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 863 transitions, 22984 flow, removed 5 selfloop flow, removed 16 redundant places. [2021-03-25 22:09:24,467 INFO L241 Difference]: Finished difference. Result has 640 places, 849 transitions, 21143 flow [2021-03-25 22:09:24,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21074, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=853, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21143, PETRI_PLACES=640, PETRI_TRANSITIONS=849} [2021-03-25 22:09:24,468 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 601 predicate places. [2021-03-25 22:09:24,468 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:24,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 849 transitions, 21143 flow [2021-03-25 22:09:24,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 849 transitions, 21143 flow [2021-03-25 22:09:24,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 849 transitions, 21143 flow [2021-03-25 22:09:24,821 INFO L129 PetriNetUnfolder]: 685/1530 cut-off events. [2021-03-25 22:09:24,821 INFO L130 PetriNetUnfolder]: For 122831/123151 co-relation queries the response was YES. [2021-03-25 22:09:24,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23677 conditions, 1530 events. 685/1530 cut-off events. For 122831/123151 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11465 event pairs, 39 based on Foata normal form. 42/1550 useless extension candidates. Maximal degree in co-relation 23427. Up to 472 conditions per place. [2021-03-25 22:09:24,869 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-25 22:09:24,947 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:24,947 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:24,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-25 22:09:24,947 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 849 transitions, 21143 flow [2021-03-25 22:09:24,948 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) [2021-03-25 22:09:24,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:24,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:24,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-25 22:09:24,948 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:24,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:24,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1499004945, now seen corresponding path program 5 times [2021-03-25 22:09:24,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:24,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35199735] [2021-03-25 22:09:24,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:24,954 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:24,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:24,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:24,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:24,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:24,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:24,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:24,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:24,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:24,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:24,992 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-25 22:09:24,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:09:25,012 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:09:25,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:25,033 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:09:25,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:09:25,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:25,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:25,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:25,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:25,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35199735] [2021-03-25 22:09:25,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:25,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:25,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399931702] [2021-03-25 22:09:25,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:25,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:25,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:25,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:25,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:25,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 849 transitions, 21143 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) [2021-03-25 22:09:25,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:25,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:25,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:26,577 INFO L129 PetriNetUnfolder]: 892/1840 cut-off events. [2021-03-25 22:09:26,577 INFO L130 PetriNetUnfolder]: For 142435/142439 co-relation queries the response was YES. [2021-03-25 22:09:26,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29679 conditions, 1840 events. 892/1840 cut-off events. For 142435/142439 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 12933 event pairs, 161 based on Foata normal form. 5/1844 useless extension candidates. Maximal degree in co-relation 29427. Up to 1618 conditions per place. [2021-03-25 22:09:26,622 INFO L132 encePairwiseOnDemand]: 118/136 looper letters, 775 selfloop transitions, 72 changer transitions 3/858 dead transitions. [2021-03-25 22:09:26,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 858 transitions, 22997 flow [2021-03-25 22:09:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:09:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:09:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 455 transitions. [2021-03-25 22:09:26,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23897058823529413 [2021-03-25 22:09:26,623 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 455 transitions. [2021-03-25 22:09:26,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 455 transitions. [2021-03-25 22:09:26,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:26,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 455 transitions. [2021-03-25 22:09:26,624 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) [2021-03-25 22:09:26,624 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) [2021-03-25 22:09:26,624 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) [2021-03-25 22:09:26,624 INFO L185 Difference]: Start difference. First operand has 635 places, 849 transitions, 21143 flow. Second operand 14 states and 455 transitions. [2021-03-25 22:09:26,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 858 transitions, 22997 flow [2021-03-25 22:09:27,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 858 transitions, 22797 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-25 22:09:27,678 INFO L241 Difference]: Finished difference. Result has 633 places, 846 transitions, 21052 flow [2021-03-25 22:09:27,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=20949, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21052, PETRI_PLACES=633, PETRI_TRANSITIONS=846} [2021-03-25 22:09:27,679 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 594 predicate places. [2021-03-25 22:09:27,680 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:27,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 846 transitions, 21052 flow [2021-03-25 22:09:27,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 846 transitions, 21052 flow [2021-03-25 22:09:27,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 846 transitions, 21052 flow [2021-03-25 22:09:28,056 INFO L129 PetriNetUnfolder]: 686/1535 cut-off events. [2021-03-25 22:09:28,056 INFO L130 PetriNetUnfolder]: For 117373/117659 co-relation queries the response was YES. [2021-03-25 22:09:28,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23531 conditions, 1535 events. 686/1535 cut-off events. For 117373/117659 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 11426 event pairs, 33 based on Foata normal form. 44/1557 useless extension candidates. Maximal degree in co-relation 23284. Up to 475 conditions per place. [2021-03-25 22:09:28,163 INFO L142 LiptonReduction]: Number of co-enabled transitions 650 [2021-03-25 22:09:28,234 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:28,235 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:28,235 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 556 [2021-03-25 22:09:28,235 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 846 transitions, 21052 flow [2021-03-25 22:09:28,235 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) [2021-03-25 22:09:28,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:28,235 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] [2021-03-25 22:09:28,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-25 22:09:28,236 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash -972834800, now seen corresponding path program 1 times [2021-03-25 22:09:28,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:28,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172932908] [2021-03-25 22:09:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:28,244 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:28,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:28,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:28,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:28,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:28,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:28,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:28,307 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:09:28,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:09:28,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:28,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:28,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:28,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:28,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:28,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172932908] [2021-03-25 22:09:28,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:28,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:28,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332656819] [2021-03-25 22:09:28,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:28,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:28,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:28,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:28,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:28,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 846 transitions, 21052 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) [2021-03-25 22:09:28,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:28,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:28,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:29,934 INFO L129 PetriNetUnfolder]: 897/1857 cut-off events. [2021-03-25 22:09:29,934 INFO L130 PetriNetUnfolder]: For 138424/138452 co-relation queries the response was YES. [2021-03-25 22:09:29,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29945 conditions, 1857 events. 897/1857 cut-off events. For 138424/138452 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13173 event pairs, 139 based on Foata normal form. 25/1881 useless extension candidates. Maximal degree in co-relation 29696. Up to 1447 conditions per place. [2021-03-25 22:09:29,982 INFO L132 encePairwiseOnDemand]: 106/136 looper letters, 605 selfloop transitions, 257 changer transitions 8/878 dead transitions. [2021-03-25 22:09:29,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 878 transitions, 23855 flow [2021-03-25 22:09:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 22:09:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 22:09:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 642 transitions. [2021-03-25 22:09:29,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23602941176470588 [2021-03-25 22:09:29,983 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 642 transitions. [2021-03-25 22:09:29,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 642 transitions. [2021-03-25 22:09:29,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:29,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 642 transitions. [2021-03-25 22:09:29,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.1) internal successors, (642), 20 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:29,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 136.0) internal successors, (2856), 21 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:29,985 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 136.0) internal successors, (2856), 21 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:29,985 INFO L185 Difference]: Start difference. First operand has 628 places, 846 transitions, 21052 flow. Second operand 20 states and 642 transitions. [2021-03-25 22:09:29,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 878 transitions, 23855 flow [2021-03-25 22:09:31,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 878 transitions, 23709 flow, removed 1 selfloop flow, removed 11 redundant places. [2021-03-25 22:09:31,042 INFO L241 Difference]: Finished difference. Result has 639 places, 859 transitions, 22197 flow [2021-03-25 22:09:31,043 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=20906, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=846, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22197, PETRI_PLACES=639, PETRI_TRANSITIONS=859} [2021-03-25 22:09:31,043 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 600 predicate places. [2021-03-25 22:09:31,043 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:31,043 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 859 transitions, 22197 flow [2021-03-25 22:09:31,043 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 859 transitions, 22197 flow [2021-03-25 22:09:31,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 638 places, 859 transitions, 22197 flow [2021-03-25 22:09:31,403 INFO L129 PetriNetUnfolder]: 690/1517 cut-off events. [2021-03-25 22:09:31,404 INFO L130 PetriNetUnfolder]: For 124441/124723 co-relation queries the response was YES. [2021-03-25 22:09:31,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24127 conditions, 1517 events. 690/1517 cut-off events. For 124441/124723 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 11273 event pairs, 46 based on Foata normal form. 38/1534 useless extension candidates. Maximal degree in co-relation 23859. Up to 478 conditions per place. [2021-03-25 22:09:31,451 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-25 22:09:31,535 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:31,535 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:31,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-03-25 22:09:31,535 INFO L480 AbstractCegarLoop]: Abstraction has has 638 places, 859 transitions, 22197 flow [2021-03-25 22:09:31,535 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) [2021-03-25 22:09:31,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:31,535 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] [2021-03-25 22:09:31,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-25 22:09:31,535 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:31,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:31,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1458926650, now seen corresponding path program 1 times [2021-03-25 22:09:31,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:31,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702712669] [2021-03-25 22:09:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:31,544 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:31,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:31,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:31,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:31,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:31,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:31,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:31,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:31,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:31,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:31,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:31,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:09:31,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:31,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702712669] [2021-03-25 22:09:31,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:31,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:31,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281847147] [2021-03-25 22:09:31,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:31,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:31,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:31,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:31,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-25 22:09:31,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 859 transitions, 22197 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) [2021-03-25 22:09:31,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:31,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-25 22:09:31,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:32,869 INFO L129 PetriNetUnfolder]: 894/1821 cut-off events. [2021-03-25 22:09:32,869 INFO L130 PetriNetUnfolder]: For 149190/149194 co-relation queries the response was YES. [2021-03-25 22:09:32,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30262 conditions, 1821 events. 894/1821 cut-off events. For 149190/149194 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 12657 event pairs, 179 based on Foata normal form. 5/1823 useless extension candidates. Maximal degree in co-relation 29980. Up to 1606 conditions per place. [2021-03-25 22:09:32,908 INFO L132 encePairwiseOnDemand]: 112/136 looper letters, 700 selfloop transitions, 159 changer transitions 5/872 dead transitions. [2021-03-25 22:09:32,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 872 transitions, 24595 flow [2021-03-25 22:09:32,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:09:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:09:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-25 22:09:32,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23844537815126052 [2021-03-25 22:09:32,909 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-25 22:09:32,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-25 22:09:32,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:32,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-25 22:09:32,910 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) [2021-03-25 22:09:32,910 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) [2021-03-25 22:09:32,910 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) [2021-03-25 22:09:32,910 INFO L185 Difference]: Start difference. First operand has 638 places, 859 transitions, 22197 flow. Second operand 14 states and 454 transitions. [2021-03-25 22:09:32,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 872 transitions, 24595 flow [2021-03-25 22:09:33,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 872 transitions, 23870 flow, removed 284 selfloop flow, removed 10 redundant places. [2021-03-25 22:09:33,996 INFO L241 Difference]: Finished difference. Result has 648 places, 864 transitions, 22080 flow [2021-03-25 22:09:33,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21472, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22080, PETRI_PLACES=648, PETRI_TRANSITIONS=864} [2021-03-25 22:09:33,996 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 609 predicate places. [2021-03-25 22:09:33,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:33,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 864 transitions, 22080 flow [2021-03-25 22:09:33,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 864 transitions, 22080 flow [2021-03-25 22:09:34,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 644 places, 864 transitions, 22080 flow [2021-03-25 22:09:34,400 INFO L129 PetriNetUnfolder]: 686/1514 cut-off events. [2021-03-25 22:09:34,400 INFO L130 PetriNetUnfolder]: For 126225/126512 co-relation queries the response was YES. [2021-03-25 22:09:34,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23967 conditions, 1514 events. 686/1514 cut-off events. For 126225/126512 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11222 event pairs, 37 based on Foata normal form. 53/1549 useless extension candidates. Maximal degree in co-relation 23712. Up to 452 conditions per place. [2021-03-25 22:09:34,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-25 22:09:34,675 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:34,675 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:09:34,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 679 [2021-03-25 22:09:34,676 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 864 transitions, 22099 flow [2021-03-25 22:09:34,676 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) [2021-03-25 22:09:34,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:34,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:34,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-25 22:09:34,676 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:34,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1239284572, now seen corresponding path program 1 times [2021-03-25 22:09:34,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:34,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900664809] [2021-03-25 22:09:34,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:34,683 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:34,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:34,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:34,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:34,715 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:09:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:34,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:34,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:34,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:34,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:34,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:34,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:09:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:34,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900664809] [2021-03-25 22:09:34,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:34,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:09:34,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803203353] [2021-03-25 22:09:34,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:09:34,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:34,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:09:34,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:09:34,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-25 22:09:34,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 864 transitions, 22099 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) [2021-03-25 22:09:34,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:34,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-25 22:09:34,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:36,582 INFO L129 PetriNetUnfolder]: 944/1918 cut-off events. [2021-03-25 22:09:36,582 INFO L130 PetriNetUnfolder]: For 172054/172075 co-relation queries the response was YES. [2021-03-25 22:09:36,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32379 conditions, 1918 events. 944/1918 cut-off events. For 172054/172075 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13532 event pairs, 122 based on Foata normal form. 14/1931 useless extension candidates. Maximal degree in co-relation 32122. Up to 1671 conditions per place. [2021-03-25 22:09:36,619 INFO L132 encePairwiseOnDemand]: 116/137 looper letters, 797 selfloop transitions, 135 changer transitions 3/943 dead transitions. [2021-03-25 22:09:36,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 943 transitions, 26861 flow [2021-03-25 22:09:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:09:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:09:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 558 transitions. [2021-03-25 22:09:36,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23958780592528983 [2021-03-25 22:09:36,620 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 558 transitions. [2021-03-25 22:09:36,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 558 transitions. [2021-03-25 22:09:36,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:36,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 558 transitions. [2021-03-25 22:09:36,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.8235294117647) internal successors, (558), 17 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) [2021-03-25 22:09:36,622 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) [2021-03-25 22:09:36,622 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) [2021-03-25 22:09:36,622 INFO L185 Difference]: Start difference. First operand has 644 places, 864 transitions, 22099 flow. Second operand 17 states and 558 transitions. [2021-03-25 22:09:36,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 943 transitions, 26861 flow [2021-03-25 22:09:37,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 943 transitions, 26485 flow, removed 71 selfloop flow, removed 10 redundant places. [2021-03-25 22:09:37,776 INFO L241 Difference]: Finished difference. Result has 660 places, 917 transitions, 24481 flow [2021-03-25 22:09:37,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=21761, PETRI_DIFFERENCE_MINUEND_PLACES=634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=747, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=24481, PETRI_PLACES=660, PETRI_TRANSITIONS=917} [2021-03-25 22:09:37,776 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 621 predicate places. [2021-03-25 22:09:37,776 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:37,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 660 places, 917 transitions, 24481 flow [2021-03-25 22:09:37,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 660 places, 917 transitions, 24481 flow [2021-03-25 22:09:37,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 659 places, 917 transitions, 24481 flow [2021-03-25 22:09:38,217 INFO L129 PetriNetUnfolder]: 736/1610 cut-off events. [2021-03-25 22:09:38,218 INFO L130 PetriNetUnfolder]: For 156699/156968 co-relation queries the response was YES. [2021-03-25 22:09:38,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26635 conditions, 1610 events. 736/1610 cut-off events. For 156699/156968 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12016 event pairs, 37 based on Foata normal form. 38/1625 useless extension candidates. Maximal degree in co-relation 26354. Up to 504 conditions per place. [2021-03-25 22:09:38,272 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-25 22:09:38,566 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 22:09:38,566 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 22:09:38,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 790 [2021-03-25 22:09:38,567 INFO L480 AbstractCegarLoop]: Abstraction has has 659 places, 917 transitions, 24586 flow [2021-03-25 22:09:38,567 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) [2021-03-25 22:09:38,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:38,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:38,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-25 22:09:38,567 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:38,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:38,567 INFO L82 PathProgramCache]: Analyzing trace with hash 130910970, now seen corresponding path program 1 times [2021-03-25 22:09:38,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:38,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432301607] [2021-03-25 22:09:38,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:38,580 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:38,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:38,584 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:38,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:38,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:38,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:38,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:38,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:38,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:38,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:38,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:38,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:09:38,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:09:38,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:38,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432301607] [2021-03-25 22:09:38,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:38,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:09:38,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933324689] [2021-03-25 22:09:38,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:09:38,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:38,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:09:38,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:09:38,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-25 22:09:38,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 917 transitions, 24586 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) [2021-03-25 22:09:38,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:38,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-25 22:09:38,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:40,049 INFO L129 PetriNetUnfolder]: 943/1914 cut-off events. [2021-03-25 22:09:40,049 INFO L130 PetriNetUnfolder]: For 180976/180980 co-relation queries the response was YES. [2021-03-25 22:09:40,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33093 conditions, 1914 events. 943/1914 cut-off events. For 180976/180980 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 13463 event pairs, 175 based on Foata normal form. 5/1916 useless extension candidates. Maximal degree in co-relation 32798. Up to 1658 conditions per place. [2021-03-25 22:09:40,093 INFO L132 encePairwiseOnDemand]: 115/140 looper letters, 721 selfloop transitions, 189 changer transitions 5/923 dead transitions. [2021-03-25 22:09:40,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 923 transitions, 26682 flow [2021-03-25 22:09:40,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:09:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:09:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 379 transitions. [2021-03-25 22:09:40,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2461038961038961 [2021-03-25 22:09:40,095 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 379 transitions. [2021-03-25 22:09:40,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 379 transitions. [2021-03-25 22:09:40,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:40,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 379 transitions. [2021-03-25 22:09:40,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.45454545454545) internal successors, (379), 11 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) [2021-03-25 22:09:40,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:40,096 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:40,096 INFO L185 Difference]: Start difference. First operand has 659 places, 917 transitions, 24586 flow. Second operand 11 states and 379 transitions. [2021-03-25 22:09:40,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 923 transitions, 26682 flow [2021-03-25 22:09:41,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 923 transitions, 25321 flow, removed 663 selfloop flow, removed 4 redundant places. [2021-03-25 22:09:41,541 INFO L241 Difference]: Finished difference. Result has 668 places, 914 transitions, 23535 flow [2021-03-25 22:09:41,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=23225, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23535, PETRI_PLACES=668, PETRI_TRANSITIONS=914} [2021-03-25 22:09:41,542 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 629 predicate places. [2021-03-25 22:09:41,542 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:41,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 914 transitions, 23535 flow [2021-03-25 22:09:41,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 914 transitions, 23535 flow [2021-03-25 22:09:41,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 665 places, 914 transitions, 23535 flow [2021-03-25 22:09:41,941 INFO L129 PetriNetUnfolder]: 735/1604 cut-off events. [2021-03-25 22:09:41,941 INFO L130 PetriNetUnfolder]: For 144228/144484 co-relation queries the response was YES. [2021-03-25 22:09:41,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25940 conditions, 1604 events. 735/1604 cut-off events. For 144228/144484 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 11995 event pairs, 46 based on Foata normal form. 17/1592 useless extension candidates. Maximal degree in co-relation 25676. Up to 479 conditions per place. [2021-03-25 22:09:41,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-25 22:09:42,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:42,109 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:42,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 567 [2021-03-25 22:09:42,110 INFO L480 AbstractCegarLoop]: Abstraction has has 665 places, 914 transitions, 23535 flow [2021-03-25 22:09:42,110 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) [2021-03-25 22:09:42,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:42,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:42,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-25 22:09:42,110 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:42,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:42,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1963136473, now seen corresponding path program 1 times [2021-03-25 22:09:42,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:42,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050687831] [2021-03-25 22:09:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:42,118 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:42,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:42,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:42,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:42,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:42,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:42,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:42,149 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:09:42,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:42,169 INFO L142 QuantifierPusher]: treesize reduction 49, result has 38.8 percent of original size [2021-03-25 22:09:42,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:09:42,172 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-25 22:09:42,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:09:42,194 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-03-25 22:09:42,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:09:42,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:42,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:42,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:42,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050687831] [2021-03-25 22:09:42,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:42,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:09:42,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303065276] [2021-03-25 22:09:42,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:09:42,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:42,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:09:42,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:09:42,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-25 22:09:42,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 914 transitions, 23535 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) [2021-03-25 22:09:42,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:42,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-25 22:09:42,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:43,561 INFO L129 PetriNetUnfolder]: 982/1976 cut-off events. [2021-03-25 22:09:43,562 INFO L130 PetriNetUnfolder]: For 190976/191004 co-relation queries the response was YES. [2021-03-25 22:09:43,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34305 conditions, 1976 events. 982/1976 cut-off events. For 190976/191004 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 13899 event pairs, 130 based on Foata normal form. 25/1999 useless extension candidates. Maximal degree in co-relation 34039. Up to 1579 conditions per place. [2021-03-25 22:09:43,606 INFO L132 encePairwiseOnDemand]: 107/140 looper letters, 678 selfloop transitions, 282 changer transitions 6/974 dead transitions. [2021-03-25 22:09:43,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 974 transitions, 27993 flow [2021-03-25 22:09:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:09:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:09:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 514 transitions. [2021-03-25 22:09:43,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24476190476190476 [2021-03-25 22:09:43,608 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 514 transitions. [2021-03-25 22:09:43,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 514 transitions. [2021-03-25 22:09:43,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:43,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 514 transitions. [2021-03-25 22:09:43,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.266666666666666) internal successors, (514), 15 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) [2021-03-25 22:09:43,610 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) [2021-03-25 22:09:43,610 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) [2021-03-25 22:09:43,610 INFO L185 Difference]: Start difference. First operand has 665 places, 914 transitions, 23535 flow. Second operand 15 states and 514 transitions. [2021-03-25 22:09:43,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 974 transitions, 27993 flow [2021-03-25 22:09:44,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 974 transitions, 27455 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-25 22:09:44,841 INFO L241 Difference]: Finished difference. Result has 669 places, 948 transitions, 25571 flow [2021-03-25 22:09:44,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=23046, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=25571, PETRI_PLACES=669, PETRI_TRANSITIONS=948} [2021-03-25 22:09:44,842 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 630 predicate places. [2021-03-25 22:09:44,842 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:44,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 948 transitions, 25571 flow [2021-03-25 22:09:44,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 948 transitions, 25571 flow [2021-03-25 22:09:44,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 948 transitions, 25571 flow [2021-03-25 22:09:45,355 INFO L129 PetriNetUnfolder]: 775/1655 cut-off events. [2021-03-25 22:09:45,355 INFO L130 PetriNetUnfolder]: For 157906/158144 co-relation queries the response was YES. [2021-03-25 22:09:45,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27657 conditions, 1655 events. 775/1655 cut-off events. For 157906/158144 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 12279 event pairs, 48 based on Foata normal form. 38/1667 useless extension candidates. Maximal degree in co-relation 27374. Up to 517 conditions per place. [2021-03-25 22:09:45,412 INFO L142 LiptonReduction]: Number of co-enabled transitions 726 [2021-03-25 22:09:45,555 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:45,555 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:45,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 713 [2021-03-25 22:09:45,556 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 948 transitions, 25571 flow [2021-03-25 22:09:45,556 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) [2021-03-25 22:09:45,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:45,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:45,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-25 22:09:45,556 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:45,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:45,556 INFO L82 PathProgramCache]: Analyzing trace with hash 573299846, now seen corresponding path program 1 times [2021-03-25 22:09:45,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:45,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668127180] [2021-03-25 22:09:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:45,565 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:45,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:45,570 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:45,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:45,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:45,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:45,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:45,610 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:09:45,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:09:45,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:45,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:45,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:45,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:45,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:45,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668127180] [2021-03-25 22:09:45,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:45,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:09:45,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126832037] [2021-03-25 22:09:45,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:09:45,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:09:45,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:09:45,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-25 22:09:45,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 948 transitions, 25571 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) [2021-03-25 22:09:45,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:45,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-25 22:09:45,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:47,299 INFO L129 PetriNetUnfolder]: 1016/2035 cut-off events. [2021-03-25 22:09:47,299 INFO L130 PetriNetUnfolder]: For 212328/212360 co-relation queries the response was YES. [2021-03-25 22:09:47,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35699 conditions, 2035 events. 1016/2035 cut-off events. For 212328/212360 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 14376 event pairs, 179 based on Foata normal form. 19/2052 useless extension candidates. Maximal degree in co-relation 35402. Up to 1766 conditions per place. [2021-03-25 22:09:47,348 INFO L132 encePairwiseOnDemand]: 120/140 looper letters, 884 selfloop transitions, 123 changer transitions 3/1018 dead transitions. [2021-03-25 22:09:47,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 1018 transitions, 29867 flow [2021-03-25 22:09:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:09:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:09:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 525 transitions. [2021-03-25 22:09:47,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.234375 [2021-03-25 22:09:47,350 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 525 transitions. [2021-03-25 22:09:47,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 525 transitions. [2021-03-25 22:09:47,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:47,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 525 transitions. [2021-03-25 22:09:47,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.8125) internal successors, (525), 16 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) [2021-03-25 22:09:47,351 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) [2021-03-25 22:09:47,351 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) [2021-03-25 22:09:47,351 INFO L185 Difference]: Start difference. First operand has 669 places, 948 transitions, 25571 flow. Second operand 16 states and 525 transitions. [2021-03-25 22:09:47,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 1018 transitions, 29867 flow [2021-03-25 22:09:48,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 677 places, 1018 transitions, 28905 flow, removed 412 selfloop flow, removed 7 redundant places. [2021-03-25 22:09:48,705 INFO L241 Difference]: Finished difference. Result has 684 places, 978 transitions, 26350 flow [2021-03-25 22:09:48,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=24774, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=26350, PETRI_PLACES=684, PETRI_TRANSITIONS=978} [2021-03-25 22:09:48,706 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 645 predicate places. [2021-03-25 22:09:48,706 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:48,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 684 places, 978 transitions, 26350 flow [2021-03-25 22:09:48,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 684 places, 978 transitions, 26350 flow [2021-03-25 22:09:48,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 682 places, 978 transitions, 26350 flow [2021-03-25 22:09:49,232 INFO L129 PetriNetUnfolder]: 805/1718 cut-off events. [2021-03-25 22:09:49,232 INFO L130 PetriNetUnfolder]: For 157060/157320 co-relation queries the response was YES. [2021-03-25 22:09:49,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28143 conditions, 1718 events. 805/1718 cut-off events. For 157060/157320 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 12830 event pairs, 46 based on Foata normal form. 36/1727 useless extension candidates. Maximal degree in co-relation 27874. Up to 543 conditions per place. [2021-03-25 22:09:49,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 754 [2021-03-25 22:09:49,433 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:49,433 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:49,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 728 [2021-03-25 22:09:49,434 INFO L480 AbstractCegarLoop]: Abstraction has has 682 places, 978 transitions, 26350 flow [2021-03-25 22:09:49,434 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) [2021-03-25 22:09:49,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:49,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:49,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-25 22:09:49,434 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:49,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:49,435 INFO L82 PathProgramCache]: Analyzing trace with hash 16933773, now seen corresponding path program 2 times [2021-03-25 22:09:49,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:49,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051358692] [2021-03-25 22:09:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:49,443 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:49,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:49,448 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:49,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:49,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:49,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:49,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:49,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:49,481 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:09:49,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:09:49,509 INFO L142 QuantifierPusher]: treesize reduction 49, result has 38.8 percent of original size [2021-03-25 22:09:49,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 22:09:49,514 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-25 22:09:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:09:49,537 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-03-25 22:09:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 22:09:49,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:49,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:09:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:49,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:49,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051358692] [2021-03-25 22:09:49,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:49,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:09:49,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358636153] [2021-03-25 22:09:49,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:09:49,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:49,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:09:49,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:09:49,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-25 22:09:49,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 978 transitions, 26350 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) [2021-03-25 22:09:49,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:49,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-25 22:09:49,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:51,463 INFO L129 PetriNetUnfolder]: 1027/2055 cut-off events. [2021-03-25 22:09:51,463 INFO L130 PetriNetUnfolder]: For 193543/193547 co-relation queries the response was YES. [2021-03-25 22:09:51,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35534 conditions, 2055 events. 1027/2055 cut-off events. For 193543/193547 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 14622 event pairs, 136 based on Foata normal form. 5/2059 useless extension candidates. Maximal degree in co-relation 35263. Up to 1756 conditions per place. [2021-03-25 22:09:51,516 INFO L132 encePairwiseOnDemand]: 118/140 looper letters, 835 selfloop transitions, 164 changer transitions 2/1009 dead transitions. [2021-03-25 22:09:51,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 1009 transitions, 29265 flow [2021-03-25 22:09:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:09:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:09:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 455 transitions. [2021-03-25 22:09:51,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25 [2021-03-25 22:09:51,518 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 455 transitions. [2021-03-25 22:09:51,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 455 transitions. [2021-03-25 22:09:51,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:51,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 455 transitions. [2021-03-25 22:09:51,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.0) internal successors, (455), 13 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) [2021-03-25 22:09:51,520 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) [2021-03-25 22:09:51,520 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) [2021-03-25 22:09:51,520 INFO L185 Difference]: Start difference. First operand has 682 places, 978 transitions, 26350 flow. Second operand 13 states and 455 transitions. [2021-03-25 22:09:51,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 1009 transitions, 29265 flow [2021-03-25 22:09:52,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 1009 transitions, 28615 flow, removed 282 selfloop flow, removed 8 redundant places. [2021-03-25 22:09:52,926 INFO L241 Difference]: Finished difference. Result has 688 places, 981 transitions, 26415 flow [2021-03-25 22:09:52,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=25700, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=816, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=26415, PETRI_PLACES=688, PETRI_TRANSITIONS=981} [2021-03-25 22:09:52,927 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 649 predicate places. [2021-03-25 22:09:52,927 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:52,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 688 places, 981 transitions, 26415 flow [2021-03-25 22:09:52,927 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 688 places, 981 transitions, 26415 flow [2021-03-25 22:09:52,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 687 places, 981 transitions, 26415 flow [2021-03-25 22:09:53,521 INFO L129 PetriNetUnfolder]: 813/1735 cut-off events. [2021-03-25 22:09:53,521 INFO L130 PetriNetUnfolder]: For 158789/159038 co-relation queries the response was YES. [2021-03-25 22:09:53,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28748 conditions, 1735 events. 813/1735 cut-off events. For 158789/159038 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 12931 event pairs, 36 based on Foata normal form. 38/1749 useless extension candidates. Maximal degree in co-relation 28457. Up to 552 conditions per place. [2021-03-25 22:09:53,573 INFO L142 LiptonReduction]: Number of co-enabled transitions 756 [2021-03-25 22:09:53,669 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:09:53,670 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:09:53,670 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 743 [2021-03-25 22:09:53,670 INFO L480 AbstractCegarLoop]: Abstraction has has 687 places, 981 transitions, 26415 flow [2021-03-25 22:09:53,670 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) [2021-03-25 22:09:53,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:53,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:53,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-25 22:09:53,670 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:53,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1301612102, now seen corresponding path program 2 times [2021-03-25 22:09:53,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:53,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173073004] [2021-03-25 22:09:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:53,688 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:53,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,693 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:53,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:53,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:53,722 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-25 22:09:53,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:09:53,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:09:53,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:53,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:53,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:53,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:53,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173073004] [2021-03-25 22:09:53,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:53,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:09:53,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190168946] [2021-03-25 22:09:53,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:09:53,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:53,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:09:53,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:09:53,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-25 22:09:53,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 981 transitions, 26415 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) [2021-03-25 22:09:53,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:53,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-25 22:09:53,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:09:55,995 INFO L129 PetriNetUnfolder]: 1050/2096 cut-off events. [2021-03-25 22:09:55,995 INFO L130 PetriNetUnfolder]: For 205125/205129 co-relation queries the response was YES. [2021-03-25 22:09:56,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36496 conditions, 2096 events. 1050/2096 cut-off events. For 205125/205129 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 14924 event pairs, 183 based on Foata normal form. 5/2100 useless extension candidates. Maximal degree in co-relation 36191. Up to 1815 conditions per place. [2021-03-25 22:09:56,050 INFO L132 encePairwiseOnDemand]: 118/140 looper letters, 844 selfloop transitions, 183 changer transitions 2/1037 dead transitions. [2021-03-25 22:09:56,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 1037 transitions, 30200 flow [2021-03-25 22:09:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:09:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:09:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 566 transitions. [2021-03-25 22:09:56,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23781512605042016 [2021-03-25 22:09:56,052 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 566 transitions. [2021-03-25 22:09:56,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 566 transitions. [2021-03-25 22:09:56,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:09:56,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 566 transitions. [2021-03-25 22:09:56,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.294117647058826) internal successors, (566), 17 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:56,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 140.0) internal successors, (2520), 18 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:56,054 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 140.0) internal successors, (2520), 18 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:09:56,054 INFO L185 Difference]: Start difference. First operand has 687 places, 981 transitions, 26415 flow. Second operand 17 states and 566 transitions. [2021-03-25 22:09:56,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 1037 transitions, 30200 flow [2021-03-25 22:09:57,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 696 places, 1037 transitions, 29883 flow, removed 110 selfloop flow, removed 7 redundant places. [2021-03-25 22:09:57,498 INFO L241 Difference]: Finished difference. Result has 701 places, 1011 transitions, 27692 flow [2021-03-25 22:09:57,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=26114, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=27692, PETRI_PLACES=701, PETRI_TRANSITIONS=1011} [2021-03-25 22:09:57,499 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 662 predicate places. [2021-03-25 22:09:57,499 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:09:57,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 701 places, 1011 transitions, 27692 flow [2021-03-25 22:09:57,500 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 701 places, 1011 transitions, 27692 flow [2021-03-25 22:09:57,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 700 places, 1011 transitions, 27692 flow [2021-03-25 22:09:58,111 INFO L129 PetriNetUnfolder]: 829/1772 cut-off events. [2021-03-25 22:09:58,111 INFO L130 PetriNetUnfolder]: For 170046/170403 co-relation queries the response was YES. [2021-03-25 22:09:58,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29629 conditions, 1772 events. 829/1772 cut-off events. For 170046/170403 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 13315 event pairs, 38 based on Foata normal form. 42/1791 useless extension candidates. Maximal degree in co-relation 29346. Up to 558 conditions per place. [2021-03-25 22:09:58,250 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-25 22:09:58,593 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:09:58,593 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:09:58,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1094 [2021-03-25 22:09:58,593 INFO L480 AbstractCegarLoop]: Abstraction has has 700 places, 1011 transitions, 27728 flow [2021-03-25 22:09:58,593 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) [2021-03-25 22:09:58,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:09:58,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:09:58,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-25 22:09:58,594 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:09:58,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:09:58,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1082707306, now seen corresponding path program 3 times [2021-03-25 22:09:58,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:09:58,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465957645] [2021-03-25 22:09:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:09:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:09:58,614 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:09:58,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:58,620 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:09:58,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:58,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:09:58,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:58,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:09:58,655 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-25 22:09:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 22:09:58,677 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:09:58,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:09:58,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:58,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:09:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:09:58,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:58,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:09:58,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:09:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:09:58,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465957645] [2021-03-25 22:09:58,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:09:58,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:09:58,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545170590] [2021-03-25 22:09:58,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:09:58,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:09:58,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:09:58,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:09:58,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 141 [2021-03-25 22:09:58,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 1011 transitions, 27728 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) [2021-03-25 22:09:58,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:09:58,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 141 [2021-03-25 22:09:58,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:00,960 INFO L129 PetriNetUnfolder]: 1067/2136 cut-off events. [2021-03-25 22:10:00,960 INFO L130 PetriNetUnfolder]: For 213863/213884 co-relation queries the response was YES. [2021-03-25 22:10:00,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37602 conditions, 2136 events. 1067/2136 cut-off events. For 213863/213884 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 15285 event pairs, 177 based on Foata normal form. 14/2149 useless extension candidates. Maximal degree in co-relation 37320. Up to 1738 conditions per place. [2021-03-25 22:10:01,012 INFO L132 encePairwiseOnDemand]: 118/141 looper letters, 815 selfloop transitions, 256 changer transitions 5/1084 dead transitions. [2021-03-25 22:10:01,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 1084 transitions, 32127 flow [2021-03-25 22:10:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 22:10:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 22:10:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 680 transitions. [2021-03-25 22:10:01,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22965214454576158 [2021-03-25 22:10:01,014 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 680 transitions. [2021-03-25 22:10:01,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 680 transitions. [2021-03-25 22:10:01,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:01,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 680 transitions. [2021-03-25 22:10:01,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.38095238095238) internal successors, (680), 21 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:01,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 141.0) internal successors, (3102), 22 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:01,015 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 141.0) internal successors, (3102), 22 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:01,015 INFO L185 Difference]: Start difference. First operand has 700 places, 1011 transitions, 27728 flow. Second operand 21 states and 680 transitions. [2021-03-25 22:10:01,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 1084 transitions, 32127 flow [2021-03-25 22:10:02,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 1084 transitions, 31074 flow, removed 414 selfloop flow, removed 8 redundant places. [2021-03-25 22:10:02,451 INFO L241 Difference]: Finished difference. Result has 718 places, 1044 transitions, 28702 flow [2021-03-25 22:10:02,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=26810, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=771, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=28702, PETRI_PLACES=718, PETRI_TRANSITIONS=1044} [2021-03-25 22:10:02,452 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 679 predicate places. [2021-03-25 22:10:02,452 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:02,452 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 1044 transitions, 28702 flow [2021-03-25 22:10:02,452 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 1044 transitions, 28702 flow [2021-03-25 22:10:02,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 715 places, 1044 transitions, 28702 flow [2021-03-25 22:10:03,037 INFO L129 PetriNetUnfolder]: 844/1806 cut-off events. [2021-03-25 22:10:03,037 INFO L130 PetriNetUnfolder]: For 180601/180856 co-relation queries the response was YES. [2021-03-25 22:10:03,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30386 conditions, 1806 events. 844/1806 cut-off events. For 180601/180856 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 13617 event pairs, 38 based on Foata normal form. 47/1832 useless extension candidates. Maximal degree in co-relation 30107. Up to 563 conditions per place. [2021-03-25 22:10:03,092 INFO L142 LiptonReduction]: Number of co-enabled transitions 808 [2021-03-25 22:10:03,408 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 22:10:03,409 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:10:03,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 957 [2021-03-25 22:10:03,409 INFO L480 AbstractCegarLoop]: Abstraction has has 715 places, 1044 transitions, 28738 flow [2021-03-25 22:10:03,409 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) [2021-03-25 22:10:03,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:03,409 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] [2021-03-25 22:10:03,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-25 22:10:03,409 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:03,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1825410373, now seen corresponding path program 1 times [2021-03-25 22:10:03,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:03,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738956123] [2021-03-25 22:10:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:03,415 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:03,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:03,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:03,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:03,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:03,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:03,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:03,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:03,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:03,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:03,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:03,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:03,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:10:03,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:03,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:03,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:03,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738956123] [2021-03-25 22:10:03,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:03,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:10:03,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304803048] [2021-03-25 22:10:03,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:10:03,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:03,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:10:03,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:10:03,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-25 22:10:03,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 1044 transitions, 28738 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) [2021-03-25 22:10:03,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:03,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-25 22:10:03,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:05,740 INFO L129 PetriNetUnfolder]: 1092/2186 cut-off events. [2021-03-25 22:10:05,740 INFO L130 PetriNetUnfolder]: For 222047/222068 co-relation queries the response was YES. [2021-03-25 22:10:05,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38591 conditions, 2186 events. 1092/2186 cut-off events. For 222047/222068 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 15746 event pairs, 184 based on Foata normal form. 18/2203 useless extension candidates. Maximal degree in co-relation 38310. Up to 1820 conditions per place. [2021-03-25 22:10:05,796 INFO L132 encePairwiseOnDemand]: 111/143 looper letters, 827 selfloop transitions, 255 changer transitions 7/1097 dead transitions. [2021-03-25 22:10:05,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 1097 transitions, 32466 flow [2021-03-25 22:10:05,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:10:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:10:05,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 623 transitions. [2021-03-25 22:10:05,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.229297018770703 [2021-03-25 22:10:05,797 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 623 transitions. [2021-03-25 22:10:05,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 623 transitions. [2021-03-25 22:10:05,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:05,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 623 transitions. [2021-03-25 22:10:05,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.78947368421053) internal successors, (623), 19 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:05,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 143.0) internal successors, (2860), 20 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:05,799 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 143.0) internal successors, (2860), 20 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:05,799 INFO L185 Difference]: Start difference. First operand has 715 places, 1044 transitions, 28738 flow. Second operand 19 states and 623 transitions. [2021-03-25 22:10:05,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 1097 transitions, 32466 flow [2021-03-25 22:10:07,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 727 places, 1097 transitions, 31628 flow, removed 400 selfloop flow, removed 6 redundant places. [2021-03-25 22:10:07,279 INFO L241 Difference]: Finished difference. Result has 732 places, 1064 transitions, 29353 flow [2021-03-25 22:10:07,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=27906, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=790, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=29353, PETRI_PLACES=732, PETRI_TRANSITIONS=1064} [2021-03-25 22:10:07,280 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 693 predicate places. [2021-03-25 22:10:07,280 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:07,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 1064 transitions, 29353 flow [2021-03-25 22:10:07,281 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 1064 transitions, 29353 flow [2021-03-25 22:10:07,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 731 places, 1064 transitions, 29353 flow [2021-03-25 22:10:07,935 INFO L129 PetriNetUnfolder]: 867/1851 cut-off events. [2021-03-25 22:10:07,935 INFO L130 PetriNetUnfolder]: For 186285/186671 co-relation queries the response was YES. [2021-03-25 22:10:07,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31285 conditions, 1851 events. 867/1851 cut-off events. For 186285/186671 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 13965 event pairs, 54 based on Foata normal form. 37/1854 useless extension candidates. Maximal degree in co-relation 30981. Up to 573 conditions per place. [2021-03-25 22:10:08,001 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-25 22:10:08,166 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:08,166 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:08,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 886 [2021-03-25 22:10:08,166 INFO L480 AbstractCegarLoop]: Abstraction has has 731 places, 1064 transitions, 29353 flow [2021-03-25 22:10:08,166 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) [2021-03-25 22:10:08,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:08,166 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] [2021-03-25 22:10:08,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-25 22:10:08,167 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:08,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:08,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1683383601, now seen corresponding path program 1 times [2021-03-25 22:10:08,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:08,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741301621] [2021-03-25 22:10:08,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:08,175 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:08,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:08,180 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:08,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:08,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:08,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:08,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:08,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:08,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:08,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:08,242 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:08,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:08,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:08,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:08,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:08,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:08,298 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:10:08,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:08,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:08,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:08,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741301621] [2021-03-25 22:10:08,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:08,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:10:08,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895916357] [2021-03-25 22:10:08,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:10:08,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:08,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:10:08,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:10:08,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-25 22:10:08,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 1064 transitions, 29353 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) [2021-03-25 22:10:08,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:08,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-25 22:10:08,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:10,199 INFO L129 PetriNetUnfolder]: 1091/2190 cut-off events. [2021-03-25 22:10:10,199 INFO L130 PetriNetUnfolder]: For 215710/215731 co-relation queries the response was YES. [2021-03-25 22:10:10,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38715 conditions, 2190 events. 1091/2190 cut-off events. For 215710/215731 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 15807 event pairs, 127 based on Foata normal form. 18/2207 useless extension candidates. Maximal degree in co-relation 38397. Up to 1666 conditions per place. [2021-03-25 22:10:10,267 INFO L132 encePairwiseOnDemand]: 108/143 looper letters, 709 selfloop transitions, 368 changer transitions 2/1087 dead transitions. [2021-03-25 22:10:10,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 1087 transitions, 32499 flow [2021-03-25 22:10:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:10:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:10:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 548 transitions. [2021-03-25 22:10:10,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2395104895104895 [2021-03-25 22:10:10,268 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 548 transitions. [2021-03-25 22:10:10,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 548 transitions. [2021-03-25 22:10:10,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:10,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 548 transitions. [2021-03-25 22:10:10,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 34.25) internal successors, (548), 16 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:10,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 143.0) internal successors, (2431), 17 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:10,270 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 143.0) internal successors, (2431), 17 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:10,270 INFO L185 Difference]: Start difference. First operand has 731 places, 1064 transitions, 29353 flow. Second operand 16 states and 548 transitions. [2021-03-25 22:10:10,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 1087 transitions, 32499 flow [2021-03-25 22:10:11,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 1087 transitions, 31923 flow, removed 98 selfloop flow, removed 13 redundant places. [2021-03-25 22:10:11,995 INFO L241 Difference]: Finished difference. Result has 735 places, 1069 transitions, 30099 flow [2021-03-25 22:10:11,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=28777, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=365, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30099, PETRI_PLACES=735, PETRI_TRANSITIONS=1069} [2021-03-25 22:10:11,996 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 696 predicate places. [2021-03-25 22:10:11,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:11,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 1069 transitions, 30099 flow [2021-03-25 22:10:11,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 1069 transitions, 30099 flow [2021-03-25 22:10:12,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 734 places, 1069 transitions, 30099 flow [2021-03-25 22:10:12,633 INFO L129 PetriNetUnfolder]: 862/1850 cut-off events. [2021-03-25 22:10:12,633 INFO L130 PetriNetUnfolder]: For 198448/198741 co-relation queries the response was YES. [2021-03-25 22:10:12,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31918 conditions, 1850 events. 862/1850 cut-off events. For 198448/198741 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 14098 event pairs, 38 based on Foata normal form. 21/1838 useless extension candidates. Maximal degree in co-relation 31610. Up to 570 conditions per place. [2021-03-25 22:10:12,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-25 22:10:12,805 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:12,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:12,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 809 [2021-03-25 22:10:12,805 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 1069 transitions, 30099 flow [2021-03-25 22:10:12,806 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) [2021-03-25 22:10:12,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:12,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:12,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-25 22:10:12,806 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:12,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:12,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1116547673, now seen corresponding path program 2 times [2021-03-25 22:10:12,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:12,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332426348] [2021-03-25 22:10:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:12,814 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:12,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:12,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:12,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:12,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:12,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:12,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:12,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:12,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:12,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:12,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:12,918 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:12,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:12,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332426348] [2021-03-25 22:10:12,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:12,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:10:12,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040892479] [2021-03-25 22:10:12,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:10:12,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:12,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:10:12,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:10:12,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-25 22:10:12,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 1069 transitions, 30099 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) [2021-03-25 22:10:12,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:12,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-25 22:10:12,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:14,758 INFO L129 PetriNetUnfolder]: 1092/2198 cut-off events. [2021-03-25 22:10:14,759 INFO L130 PetriNetUnfolder]: For 217189/217217 co-relation queries the response was YES. [2021-03-25 22:10:14,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39366 conditions, 2198 events. 1092/2198 cut-off events. For 217189/217217 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 15934 event pairs, 148 based on Foata normal form. 25/2222 useless extension candidates. Maximal degree in co-relation 39046. Up to 1774 conditions per place. [2021-03-25 22:10:14,814 INFO L132 encePairwiseOnDemand]: 106/143 looper letters, 744 selfloop transitions, 329 changer transitions 5/1086 dead transitions. [2021-03-25 22:10:14,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 1086 transitions, 32768 flow [2021-03-25 22:10:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:10:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:10:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 563 transitions. [2021-03-25 22:10:14,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2315919374742904 [2021-03-25 22:10:14,816 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 563 transitions. [2021-03-25 22:10:14,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 563 transitions. [2021-03-25 22:10:14,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:14,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 563 transitions. [2021-03-25 22:10:14,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.11764705882353) internal successors, (563), 17 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) [2021-03-25 22:10:14,817 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) [2021-03-25 22:10:14,817 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) [2021-03-25 22:10:14,817 INFO L185 Difference]: Start difference. First operand has 734 places, 1069 transitions, 30099 flow. Second operand 17 states and 563 transitions. [2021-03-25 22:10:14,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 1086 transitions, 32768 flow [2021-03-25 22:10:16,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 1086 transitions, 31774 flow, removed 192 selfloop flow, removed 11 redundant places. [2021-03-25 22:10:16,571 INFO L241 Difference]: Finished difference. Result has 745 places, 1071 transitions, 29938 flow [2021-03-25 22:10:16,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=29107, PETRI_DIFFERENCE_MINUEND_PLACES=723, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1069, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=29938, PETRI_PLACES=745, PETRI_TRANSITIONS=1071} [2021-03-25 22:10:16,571 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 706 predicate places. [2021-03-25 22:10:16,571 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:16,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 1071 transitions, 29938 flow [2021-03-25 22:10:16,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 1071 transitions, 29938 flow [2021-03-25 22:10:16,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 741 places, 1071 transitions, 29938 flow [2021-03-25 22:10:17,097 INFO L129 PetriNetUnfolder]: 861/1850 cut-off events. [2021-03-25 22:10:17,097 INFO L130 PetriNetUnfolder]: For 194943/195215 co-relation queries the response was YES. [2021-03-25 22:10:17,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31983 conditions, 1850 events. 861/1850 cut-off events. For 194943/195215 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 14147 event pairs, 49 based on Foata normal form. 24/1840 useless extension candidates. Maximal degree in co-relation 31692. Up to 568 conditions per place. [2021-03-25 22:10:17,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-25 22:10:17,271 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:17,272 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:17,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 701 [2021-03-25 22:10:17,272 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 1071 transitions, 29938 flow [2021-03-25 22:10:17,272 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) [2021-03-25 22:10:17,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:17,272 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] [2021-03-25 22:10:17,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-25 22:10:17,272 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:17,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:17,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2005394076, now seen corresponding path program 2 times [2021-03-25 22:10:17,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:17,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556519841] [2021-03-25 22:10:17,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:17,289 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:17,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:17,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:17,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:17,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:17,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:17,317 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:17,337 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:17,357 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:17,378 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:10:17,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:10:17,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:17,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:17,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:10:17,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:17,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:17,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:17,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556519841] [2021-03-25 22:10:17,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:17,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:10:17,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776872175] [2021-03-25 22:10:17,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:10:17,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:17,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:10:17,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:10:17,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-25 22:10:17,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 1071 transitions, 29938 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) [2021-03-25 22:10:17,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:17,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-25 22:10:17,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:19,856 INFO L129 PetriNetUnfolder]: 1100/2229 cut-off events. [2021-03-25 22:10:19,857 INFO L130 PetriNetUnfolder]: For 232451/232472 co-relation queries the response was YES. [2021-03-25 22:10:19,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40412 conditions, 2229 events. 1100/2229 cut-off events. For 232451/232472 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 16201 event pairs, 192 based on Foata normal form. 16/2243 useless extension candidates. Maximal degree in co-relation 40119. Up to 1960 conditions per place. [2021-03-25 22:10:19,918 INFO L132 encePairwiseOnDemand]: 119/143 looper letters, 931 selfloop transitions, 155 changer transitions 11/1105 dead transitions. [2021-03-25 22:10:19,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 758 places, 1105 transitions, 34138 flow [2021-03-25 22:10:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:10:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:10:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 584 transitions. [2021-03-25 22:10:19,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22688422688422688 [2021-03-25 22:10:19,919 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 584 transitions. [2021-03-25 22:10:19,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 584 transitions. [2021-03-25 22:10:19,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:19,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 584 transitions. [2021-03-25 22:10:19,920 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) [2021-03-25 22:10:19,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 143.0) internal successors, (2717), 19 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:19,921 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 143.0) internal successors, (2717), 19 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:19,921 INFO L185 Difference]: Start difference. First operand has 741 places, 1071 transitions, 29938 flow. Second operand 18 states and 584 transitions. [2021-03-25 22:10:19,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 758 places, 1105 transitions, 34138 flow [2021-03-25 22:10:21,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 1105 transitions, 33692 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-25 22:10:21,959 INFO L241 Difference]: Finished difference. Result has 751 places, 1085 transitions, 30658 flow [2021-03-25 22:10:21,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=29504, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=921, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=30658, PETRI_PLACES=751, PETRI_TRANSITIONS=1085} [2021-03-25 22:10:21,960 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 712 predicate places. [2021-03-25 22:10:21,960 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:21,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 1085 transitions, 30658 flow [2021-03-25 22:10:21,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 1085 transitions, 30658 flow [2021-03-25 22:10:21,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 745 places, 1085 transitions, 30658 flow [2021-03-25 22:10:22,661 INFO L129 PetriNetUnfolder]: 864/1865 cut-off events. [2021-03-25 22:10:22,661 INFO L130 PetriNetUnfolder]: For 203314/203669 co-relation queries the response was YES. [2021-03-25 22:10:22,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32514 conditions, 1865 events. 864/1865 cut-off events. For 203314/203669 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 14261 event pairs, 46 based on Foata normal form. 40/1877 useless extension candidates. Maximal degree in co-relation 32220. Up to 571 conditions per place. [2021-03-25 22:10:22,732 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-25 22:10:23,368 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:23,368 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:10:23,368 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1408 [2021-03-25 22:10:23,368 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 1085 transitions, 30710 flow [2021-03-25 22:10:23,368 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) [2021-03-25 22:10:23,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:23,368 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] [2021-03-25 22:10:23,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-25 22:10:23,369 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:23,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:23,369 INFO L82 PathProgramCache]: Analyzing trace with hash 874650765, now seen corresponding path program 3 times [2021-03-25 22:10:23,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:23,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995467651] [2021-03-25 22:10:23,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:23,375 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:23,380 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:23,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:23,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:23,415 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:10:23,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:23,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:23,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:23,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:23,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:23,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:23,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995467651] [2021-03-25 22:10:23,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:23,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:10:23,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211961503] [2021-03-25 22:10:23,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:10:23,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:23,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:10:23,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:10:23,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-25 22:10:23,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 1085 transitions, 30710 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) [2021-03-25 22:10:23,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:23,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-25 22:10:23,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:25,813 INFO L129 PetriNetUnfolder]: 1098/2225 cut-off events. [2021-03-25 22:10:25,813 INFO L130 PetriNetUnfolder]: For 240184/240188 co-relation queries the response was YES. [2021-03-25 22:10:25,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40620 conditions, 2225 events. 1098/2225 cut-off events. For 240184/240188 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 16200 event pairs, 174 based on Foata normal form. 5/2229 useless extension candidates. Maximal degree in co-relation 40319. Up to 1986 conditions per place. [2021-03-25 22:10:25,875 INFO L132 encePairwiseOnDemand]: 127/145 looper letters, 1013 selfloop transitions, 80 changer transitions 2/1103 dead transitions. [2021-03-25 22:10:25,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 760 places, 1103 transitions, 33531 flow [2021-03-25 22:10:25,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:10:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:10:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 518 transitions. [2021-03-25 22:10:25,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22327586206896552 [2021-03-25 22:10:25,889 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 518 transitions. [2021-03-25 22:10:25,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 518 transitions. [2021-03-25 22:10:25,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:25,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 518 transitions. [2021-03-25 22:10:25,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.375) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:25,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 145.0) internal successors, (2465), 17 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:25,891 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 145.0) internal successors, (2465), 17 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:25,891 INFO L185 Difference]: Start difference. First operand has 745 places, 1085 transitions, 30710 flow. Second operand 16 states and 518 transitions. [2021-03-25 22:10:25,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 760 places, 1103 transitions, 33531 flow [2021-03-25 22:10:27,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 755 places, 1103 transitions, 32899 flow, removed 266 selfloop flow, removed 5 redundant places. [2021-03-25 22:10:27,867 INFO L241 Difference]: Finished difference. Result has 760 places, 1093 transitions, 30630 flow [2021-03-25 22:10:27,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=30082, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1085, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30630, PETRI_PLACES=760, PETRI_TRANSITIONS=1093} [2021-03-25 22:10:27,868 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 721 predicate places. [2021-03-25 22:10:27,868 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:27,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 760 places, 1093 transitions, 30630 flow [2021-03-25 22:10:27,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 760 places, 1093 transitions, 30630 flow [2021-03-25 22:10:27,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 1093 transitions, 30630 flow [2021-03-25 22:10:28,499 INFO L129 PetriNetUnfolder]: 877/1893 cut-off events. [2021-03-25 22:10:28,499 INFO L130 PetriNetUnfolder]: For 210624/210894 co-relation queries the response was YES. [2021-03-25 22:10:28,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33167 conditions, 1893 events. 877/1893 cut-off events. For 210624/210894 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 14553 event pairs, 59 based on Foata normal form. 23/1878 useless extension candidates. Maximal degree in co-relation 32867. Up to 586 conditions per place. [2021-03-25 22:10:28,578 INFO L142 LiptonReduction]: Number of co-enabled transitions 830 [2021-03-25 22:10:28,957 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:10:28,958 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:10:28,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1090 [2021-03-25 22:10:28,958 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 1093 transitions, 30713 flow [2021-03-25 22:10:28,958 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) [2021-03-25 22:10:28,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:28,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:28,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-25 22:10:28,958 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:28,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:28,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1342196800, now seen corresponding path program 1 times [2021-03-25 22:10:28,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:28,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993930226] [2021-03-25 22:10:28,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:28,976 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:28,982 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:28,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:28,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:29,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:29,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:29,014 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:29,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:29,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:29,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:29,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:29,060 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:10:29,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:29,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:29,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993930226] [2021-03-25 22:10:29,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:29,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:10:29,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586043391] [2021-03-25 22:10:29,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:10:29,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:29,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:10:29,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:10:29,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:29,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 1093 transitions, 30713 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) [2021-03-25 22:10:29,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:29,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:29,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:31,203 INFO L129 PetriNetUnfolder]: 1099/2230 cut-off events. [2021-03-25 22:10:31,203 INFO L130 PetriNetUnfolder]: For 250727/250731 co-relation queries the response was YES. [2021-03-25 22:10:31,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40987 conditions, 2230 events. 1099/2230 cut-off events. For 250727/250731 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 16324 event pairs, 193 based on Foata normal form. 5/2233 useless extension candidates. Maximal degree in co-relation 40684. Up to 2014 conditions per place. [2021-03-25 22:10:31,254 INFO L132 encePairwiseOnDemand]: 124/147 looper letters, 991 selfloop transitions, 104 changer transitions 2/1105 dead transitions. [2021-03-25 22:10:31,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 1105 transitions, 33506 flow [2021-03-25 22:10:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:10:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:10:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 385 transitions. [2021-03-25 22:10:31,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23809523809523808 [2021-03-25 22:10:31,255 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 385 transitions. [2021-03-25 22:10:31,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 385 transitions. [2021-03-25 22:10:31,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:31,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 385 transitions. [2021-03-25 22:10:31,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 35.0) internal successors, (385), 11 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) [2021-03-25 22:10:31,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 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) [2021-03-25 22:10:31,256 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 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) [2021-03-25 22:10:31,256 INFO L185 Difference]: Start difference. First operand has 759 places, 1093 transitions, 30713 flow. Second operand 11 states and 385 transitions. [2021-03-25 22:10:31,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 1105 transitions, 33506 flow [2021-03-25 22:10:33,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 758 places, 1105 transitions, 33026 flow, removed 175 selfloop flow, removed 11 redundant places. [2021-03-25 22:10:33,291 INFO L241 Difference]: Finished difference. Result has 761 places, 1096 transitions, 30686 flow [2021-03-25 22:10:33,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30235, PETRI_DIFFERENCE_MINUEND_PLACES=748, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1093, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=990, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30686, PETRI_PLACES=761, PETRI_TRANSITIONS=1096} [2021-03-25 22:10:33,292 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 722 predicate places. [2021-03-25 22:10:33,292 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:33,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 1096 transitions, 30686 flow [2021-03-25 22:10:33,293 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 1096 transitions, 30686 flow [2021-03-25 22:10:33,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 760 places, 1096 transitions, 30686 flow [2021-03-25 22:10:34,022 INFO L129 PetriNetUnfolder]: 879/1895 cut-off events. [2021-03-25 22:10:34,023 INFO L130 PetriNetUnfolder]: For 218338/218743 co-relation queries the response was YES. [2021-03-25 22:10:34,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33315 conditions, 1895 events. 879/1895 cut-off events. For 218338/218743 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 14550 event pairs, 61 based on Foata normal form. 64/1926 useless extension candidates. Maximal degree in co-relation 32994. Up to 584 conditions per place. [2021-03-25 22:10:34,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 830 [2021-03-25 22:10:34,241 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:34,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:34,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-03-25 22:10:34,242 INFO L480 AbstractCegarLoop]: Abstraction has has 760 places, 1096 transitions, 30686 flow [2021-03-25 22:10:34,242 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) [2021-03-25 22:10:34,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:34,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:34,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-25 22:10:34,242 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:34,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:34,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1292499502, now seen corresponding path program 1 times [2021-03-25 22:10:34,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:34,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926375846] [2021-03-25 22:10:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:34,249 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:34,254 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:34,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:34,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:34,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:34,292 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:10:34,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:34,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:34,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:34,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:34,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:34,339 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:34,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926375846] [2021-03-25 22:10:34,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:34,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:10:34,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519275463] [2021-03-25 22:10:34,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:10:34,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:34,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:10:34,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:10:34,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:34,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 760 places, 1096 transitions, 30686 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) [2021-03-25 22:10:34,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:34,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:34,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:36,154 INFO L129 PetriNetUnfolder]: 1098/2227 cut-off events. [2021-03-25 22:10:36,154 INFO L130 PetriNetUnfolder]: For 249511/249532 co-relation queries the response was YES. [2021-03-25 22:10:36,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41020 conditions, 2227 events. 1098/2227 cut-off events. For 249511/249532 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 16278 event pairs, 157 based on Foata normal form. 18/2244 useless extension candidates. Maximal degree in co-relation 40686. Up to 1992 conditions per place. [2021-03-25 22:10:36,314 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 1018 selfloop transitions, 78 changer transitions 1/1105 dead transitions. [2021-03-25 22:10:36,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 1105 transitions, 33061 flow [2021-03-25 22:10:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:10:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:10:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 412 transitions. [2021-03-25 22:10:36,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23356009070294784 [2021-03-25 22:10:36,316 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 412 transitions. [2021-03-25 22:10:36,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 412 transitions. [2021-03-25 22:10:36,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:36,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 412 transitions. [2021-03-25 22:10:36,316 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) [2021-03-25 22:10:36,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:36,317 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:36,317 INFO L185 Difference]: Start difference. First operand has 760 places, 1096 transitions, 30686 flow. Second operand 12 states and 412 transitions. [2021-03-25 22:10:36,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 1105 transitions, 33061 flow [2021-03-25 22:10:38,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 1105 transitions, 32702 flow, removed 97 selfloop flow, removed 7 redundant places. [2021-03-25 22:10:38,326 INFO L241 Difference]: Finished difference. Result has 765 places, 1095 transitions, 30501 flow [2021-03-25 22:10:38,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30327, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1018, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30501, PETRI_PLACES=765, PETRI_TRANSITIONS=1095} [2021-03-25 22:10:38,327 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 726 predicate places. [2021-03-25 22:10:38,327 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:38,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 1095 transitions, 30501 flow [2021-03-25 22:10:38,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 1095 transitions, 30501 flow [2021-03-25 22:10:38,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 1095 transitions, 30501 flow [2021-03-25 22:10:38,933 INFO L129 PetriNetUnfolder]: 870/1886 cut-off events. [2021-03-25 22:10:38,933 INFO L130 PetriNetUnfolder]: For 210232/210603 co-relation queries the response was YES. [2021-03-25 22:10:38,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32918 conditions, 1886 events. 870/1886 cut-off events. For 210232/210603 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 14501 event pairs, 64 based on Foata normal form. 55/1907 useless extension candidates. Maximal degree in co-relation 32596. Up to 573 conditions per place. [2021-03-25 22:10:39,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-25 22:10:39,149 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:39,149 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:39,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 822 [2021-03-25 22:10:39,149 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 1095 transitions, 30501 flow [2021-03-25 22:10:39,149 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) [2021-03-25 22:10:39,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:39,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:39,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-25 22:10:39,149 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:39,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:39,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2351598, now seen corresponding path program 2 times [2021-03-25 22:10:39,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:39,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053425854] [2021-03-25 22:10:39,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:39,157 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:39,162 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:39,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:39,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:39,189 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:39,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:39,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:39,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:39,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:39,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:39,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:39,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053425854] [2021-03-25 22:10:39,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:39,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:10:39,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207061265] [2021-03-25 22:10:39,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:10:39,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:39,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:10:39,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:10:39,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:39,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 1095 transitions, 30501 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) [2021-03-25 22:10:39,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:39,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:39,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:41,197 INFO L129 PetriNetUnfolder]: 1097/2230 cut-off events. [2021-03-25 22:10:41,197 INFO L130 PetriNetUnfolder]: For 254052/254073 co-relation queries the response was YES. [2021-03-25 22:10:41,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41138 conditions, 2230 events. 1097/2230 cut-off events. For 254052/254073 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 16326 event pairs, 204 based on Foata normal form. 12/2239 useless extension candidates. Maximal degree in co-relation 40803. Up to 1991 conditions per place. [2021-03-25 22:10:41,254 INFO L132 encePairwiseOnDemand]: 122/147 looper letters, 949 selfloop transitions, 144 changer transitions 3/1104 dead transitions. [2021-03-25 22:10:41,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 775 places, 1104 transitions, 33204 flow [2021-03-25 22:10:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:10:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:10:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 383 transitions. [2021-03-25 22:10:41,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23685837971552257 [2021-03-25 22:10:41,255 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 383 transitions. [2021-03-25 22:10:41,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 383 transitions. [2021-03-25 22:10:41,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:41,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 383 transitions. [2021-03-25 22:10:41,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.81818181818182) internal successors, (383), 11 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) [2021-03-25 22:10:41,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 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) [2021-03-25 22:10:41,256 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 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) [2021-03-25 22:10:41,256 INFO L185 Difference]: Start difference. First operand has 765 places, 1095 transitions, 30501 flow. Second operand 11 states and 383 transitions. [2021-03-25 22:10:41,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 775 places, 1104 transitions, 33204 flow [2021-03-25 22:10:43,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 1104 transitions, 33029 flow, removed 1 selfloop flow, removed 11 redundant places. [2021-03-25 22:10:43,214 INFO L241 Difference]: Finished difference. Result has 767 places, 1095 transitions, 30781 flow [2021-03-25 22:10:43,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30326, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1095, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30781, PETRI_PLACES=767, PETRI_TRANSITIONS=1095} [2021-03-25 22:10:43,215 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 728 predicate places. [2021-03-25 22:10:43,216 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:43,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 767 places, 1095 transitions, 30781 flow [2021-03-25 22:10:43,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 767 places, 1095 transitions, 30781 flow [2021-03-25 22:10:43,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 1095 transitions, 30781 flow [2021-03-25 22:10:43,812 INFO L129 PetriNetUnfolder]: 869/1887 cut-off events. [2021-03-25 22:10:43,813 INFO L130 PetriNetUnfolder]: For 220720/221149 co-relation queries the response was YES. [2021-03-25 22:10:43,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33370 conditions, 1887 events. 869/1887 cut-off events. For 220720/221149 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 14527 event pairs, 50 based on Foata normal form. 59/1915 useless extension candidates. Maximal degree in co-relation 33065. Up to 578 conditions per place. [2021-03-25 22:10:43,883 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-25 22:10:44,018 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:44,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:44,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 802 [2021-03-25 22:10:44,018 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 1095 transitions, 30781 flow [2021-03-25 22:10:44,018 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) [2021-03-25 22:10:44,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:44,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:44,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-25 22:10:44,019 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:44,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash -857658252, now seen corresponding path program 3 times [2021-03-25 22:10:44,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:44,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491168072] [2021-03-25 22:10:44,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:44,027 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:44,032 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:44,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:44,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:44,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:44,059 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:10:44,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:44,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:44,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:10:44,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:44,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:44,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:44,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:44,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:44,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491168072] [2021-03-25 22:10:44,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:44,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:10:44,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655446994] [2021-03-25 22:10:44,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:10:44,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:44,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:10:44,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:10:44,119 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:44,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 1095 transitions, 30781 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) [2021-03-25 22:10:44,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:44,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:44,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:46,653 INFO L129 PetriNetUnfolder]: 1096/2225 cut-off events. [2021-03-25 22:10:46,654 INFO L130 PetriNetUnfolder]: For 260593/260625 co-relation queries the response was YES. [2021-03-25 22:10:46,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41385 conditions, 2225 events. 1096/2225 cut-off events. For 260593/260625 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 16290 event pairs, 168 based on Foata normal form. 13/2234 useless extension candidates. Maximal degree in co-relation 41077. Up to 2034 conditions per place. [2021-03-25 22:10:46,715 INFO L132 encePairwiseOnDemand]: 124/147 looper letters, 999 selfloop transitions, 88 changer transitions 4/1099 dead transitions. [2021-03-25 22:10:46,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 1099 transitions, 33094 flow [2021-03-25 22:10:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 22:10:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 22:10:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 372 transitions. [2021-03-25 22:10:46,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2300556586270872 [2021-03-25 22:10:46,716 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 372 transitions. [2021-03-25 22:10:46,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 372 transitions. [2021-03-25 22:10:46,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:46,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 372 transitions. [2021-03-25 22:10:46,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.81818181818182) internal successors, (372), 11 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) [2021-03-25 22:10:46,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 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) [2021-03-25 22:10:46,717 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 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) [2021-03-25 22:10:46,717 INFO L185 Difference]: Start difference. First operand has 766 places, 1095 transitions, 30781 flow. Second operand 11 states and 372 transitions. [2021-03-25 22:10:46,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 1099 transitions, 33094 flow [2021-03-25 22:10:48,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 1099 transitions, 32696 flow, removed 55 selfloop flow, removed 12 redundant places. [2021-03-25 22:10:48,633 INFO L241 Difference]: Finished difference. Result has 765 places, 1091 transitions, 30502 flow [2021-03-25 22:10:48,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30391, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1095, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30502, PETRI_PLACES=765, PETRI_TRANSITIONS=1091} [2021-03-25 22:10:48,634 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 726 predicate places. [2021-03-25 22:10:48,634 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:48,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 1091 transitions, 30502 flow [2021-03-25 22:10:48,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 1091 transitions, 30502 flow [2021-03-25 22:10:48,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 1091 transitions, 30502 flow [2021-03-25 22:10:49,231 INFO L129 PetriNetUnfolder]: 873/1886 cut-off events. [2021-03-25 22:10:49,231 INFO L130 PetriNetUnfolder]: For 209331/209625 co-relation queries the response was YES. [2021-03-25 22:10:49,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33013 conditions, 1886 events. 873/1886 cut-off events. For 209331/209625 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 14502 event pairs, 65 based on Foata normal form. 38/1887 useless extension candidates. Maximal degree in co-relation 32711. Up to 577 conditions per place. [2021-03-25 22:10:49,305 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-25 22:10:49,437 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:49,437 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:49,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 803 [2021-03-25 22:10:49,437 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 1091 transitions, 30502 flow [2021-03-25 22:10:49,437 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) [2021-03-25 22:10:49,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:49,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:49,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-25 22:10:49,437 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:49,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:49,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1415241300, now seen corresponding path program 1 times [2021-03-25 22:10:49,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:49,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011843019] [2021-03-25 22:10:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:49,444 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:49,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:49,449 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:49,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:49,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:49,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:49,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:49,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:49,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:49,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:49,484 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:10:49,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:49,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:49,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:49,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:49,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:49,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:49,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:49,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:49,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:49,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011843019] [2021-03-25 22:10:49,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:49,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:10:49,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127688463] [2021-03-25 22:10:49,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:10:49,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:49,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:10:49,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:10:49,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:49,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 1091 transitions, 30502 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) [2021-03-25 22:10:49,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:49,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:49,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:51,729 INFO L129 PetriNetUnfolder]: 1098/2231 cut-off events. [2021-03-25 22:10:51,729 INFO L130 PetriNetUnfolder]: For 245627/245648 co-relation queries the response was YES. [2021-03-25 22:10:51,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40977 conditions, 2231 events. 1098/2231 cut-off events. For 245627/245648 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 16384 event pairs, 149 based on Foata normal form. 18/2248 useless extension candidates. Maximal degree in co-relation 40672. Up to 1992 conditions per place. [2021-03-25 22:10:51,789 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 1015 selfloop transitions, 81 changer transitions 2/1106 dead transitions. [2021-03-25 22:10:51,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 772 places, 1106 transitions, 33169 flow [2021-03-25 22:10:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:10:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:10:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 463 transitions. [2021-03-25 22:10:51,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2249757045675413 [2021-03-25 22:10:51,791 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 463 transitions. [2021-03-25 22:10:51,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 463 transitions. [2021-03-25 22:10:51,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:51,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 463 transitions. [2021-03-25 22:10:51,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.07142857142857) internal successors, (463), 14 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) [2021-03-25 22:10:51,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 147.0) internal successors, (2205), 15 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:51,792 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 147.0) internal successors, (2205), 15 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:51,792 INFO L185 Difference]: Start difference. First operand has 759 places, 1091 transitions, 30502 flow. Second operand 14 states and 463 transitions. [2021-03-25 22:10:51,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 772 places, 1106 transitions, 33169 flow [2021-03-25 22:10:53,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 1106 transitions, 32875 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-25 22:10:53,711 INFO L241 Difference]: Finished difference. Result has 765 places, 1096 transitions, 30673 flow [2021-03-25 22:10:53,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30214, PETRI_DIFFERENCE_MINUEND_PLACES=748, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1091, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30673, PETRI_PLACES=765, PETRI_TRANSITIONS=1096} [2021-03-25 22:10:53,712 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 726 predicate places. [2021-03-25 22:10:53,712 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:53,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 1096 transitions, 30673 flow [2021-03-25 22:10:53,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 1096 transitions, 30673 flow [2021-03-25 22:10:53,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 763 places, 1096 transitions, 30673 flow [2021-03-25 22:10:54,278 INFO L129 PetriNetUnfolder]: 869/1894 cut-off events. [2021-03-25 22:10:54,278 INFO L130 PetriNetUnfolder]: For 208800/209302 co-relation queries the response was YES. [2021-03-25 22:10:54,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32992 conditions, 1894 events. 869/1894 cut-off events. For 208800/209302 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 14632 event pairs, 47 based on Foata normal form. 50/1912 useless extension candidates. Maximal degree in co-relation 32690. Up to 574 conditions per place. [2021-03-25 22:10:54,347 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-25 22:10:54,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:54,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:54,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 774 [2021-03-25 22:10:54,486 INFO L480 AbstractCegarLoop]: Abstraction has has 763 places, 1096 transitions, 30673 flow [2021-03-25 22:10:54,486 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) [2021-03-25 22:10:54,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:54,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:54,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-25 22:10:54,486 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:54,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1160110026, now seen corresponding path program 2 times [2021-03-25 22:10:54,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:54,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708396272] [2021-03-25 22:10:54,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:54,492 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:54,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:54,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:54,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:54,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:54,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:54,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:54,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:54,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:54,543 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:10:54,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:10:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:54,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:54,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:54,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:54,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:54,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708396272] [2021-03-25 22:10:54,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:54,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:10:54,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176203835] [2021-03-25 22:10:54,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:10:54,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:54,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:10:54,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:10:54,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:54,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 1096 transitions, 30673 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) [2021-03-25 22:10:54,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:54,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:54,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:10:56,375 INFO L129 PetriNetUnfolder]: 1100/2237 cut-off events. [2021-03-25 22:10:56,376 INFO L130 PetriNetUnfolder]: For 246588/246609 co-relation queries the response was YES. [2021-03-25 22:10:56,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40929 conditions, 2237 events. 1100/2237 cut-off events. For 246588/246609 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 16358 event pairs, 192 based on Foata normal form. 14/2250 useless extension candidates. Maximal degree in co-relation 40624. Up to 2046 conditions per place. [2021-03-25 22:10:56,433 INFO L132 encePairwiseOnDemand]: 132/147 looper letters, 1061 selfloop transitions, 42 changer transitions 2/1113 dead transitions. [2021-03-25 22:10:56,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 775 places, 1113 transitions, 33392 flow [2021-03-25 22:10:56,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:10:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:10:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 425 transitions. [2021-03-25 22:10:56,435 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22239665096807953 [2021-03-25 22:10:56,435 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 425 transitions. [2021-03-25 22:10:56,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 425 transitions. [2021-03-25 22:10:56,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:10:56,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 425 transitions. [2021-03-25 22:10:56,435 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) [2021-03-25 22:10:56,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 147.0) internal successors, (2058), 14 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:56,436 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 147.0) internal successors, (2058), 14 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:10:56,436 INFO L185 Difference]: Start difference. First operand has 763 places, 1096 transitions, 30673 flow. Second operand 13 states and 425 transitions. [2021-03-25 22:10:56,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 775 places, 1113 transitions, 33392 flow [2021-03-25 22:10:58,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 765 places, 1113 transitions, 33025 flow, removed 116 selfloop flow, removed 10 redundant places. [2021-03-25 22:10:58,348 INFO L241 Difference]: Finished difference. Result has 768 places, 1098 transitions, 30591 flow [2021-03-25 22:10:58,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30320, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30591, PETRI_PLACES=768, PETRI_TRANSITIONS=1098} [2021-03-25 22:10:58,349 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 729 predicate places. [2021-03-25 22:10:58,349 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:10:58,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 1098 transitions, 30591 flow [2021-03-25 22:10:58,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 1098 transitions, 30591 flow [2021-03-25 22:10:58,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 1098 transitions, 30591 flow [2021-03-25 22:10:59,052 INFO L129 PetriNetUnfolder]: 879/1909 cut-off events. [2021-03-25 22:10:59,052 INFO L130 PetriNetUnfolder]: For 212791/213301 co-relation queries the response was YES. [2021-03-25 22:10:59,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33204 conditions, 1909 events. 879/1909 cut-off events. For 212791/213301 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 14704 event pairs, 55 based on Foata normal form. 51/1923 useless extension candidates. Maximal degree in co-relation 32901. Up to 582 conditions per place. [2021-03-25 22:10:59,126 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-25 22:10:59,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:10:59,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:10:59,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 905 [2021-03-25 22:10:59,254 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 1098 transitions, 30591 flow [2021-03-25 22:10:59,254 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) [2021-03-25 22:10:59,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:10:59,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:10:59,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-25 22:10:59,255 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:10:59,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:10:59,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1635002788, now seen corresponding path program 3 times [2021-03-25 22:10:59,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:10:59,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093564006] [2021-03-25 22:10:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:10:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:10:59,263 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:10:59,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:10:59,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:10:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:10:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:59,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:59,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:10:59,332 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:10:59,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:10:59,366 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:10:59,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:10:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:10:59,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:10:59,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:10:59,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:10:59,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:10:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:10:59,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093564006] [2021-03-25 22:10:59,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:10:59,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:10:59,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272512653] [2021-03-25 22:10:59,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:10:59,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:10:59,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:10:59,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:10:59,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:10:59,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 1098 transitions, 30591 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) [2021-03-25 22:10:59,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:10:59,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:10:59,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:02,160 INFO L129 PetriNetUnfolder]: 1099/2237 cut-off events. [2021-03-25 22:11:02,160 INFO L130 PetriNetUnfolder]: For 243899/243920 co-relation queries the response was YES. [2021-03-25 22:11:02,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40830 conditions, 2237 events. 1099/2237 cut-off events. For 243899/243920 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 16420 event pairs, 154 based on Foata normal form. 18/2254 useless extension candidates. Maximal degree in co-relation 40525. Up to 1994 conditions per place. [2021-03-25 22:11:02,225 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 1015 selfloop transitions, 86 changer transitions 3/1112 dead transitions. [2021-03-25 22:11:02,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 780 places, 1112 transitions, 33234 flow [2021-03-25 22:11:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:11:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:11:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 491 transitions. [2021-03-25 22:11:02,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22267573696145124 [2021-03-25 22:11:02,227 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 491 transitions. [2021-03-25 22:11:02,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 491 transitions. [2021-03-25 22:11:02,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:02,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 491 transitions. [2021-03-25 22:11:02,227 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) [2021-03-25 22:11:02,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 147.0) internal successors, (2352), 16 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:02,228 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 147.0) internal successors, (2352), 16 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:02,228 INFO L185 Difference]: Start difference. First operand has 766 places, 1098 transitions, 30591 flow. Second operand 15 states and 491 transitions. [2021-03-25 22:11:02,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 780 places, 1112 transitions, 33234 flow [2021-03-25 22:11:04,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 770 places, 1112 transitions, 33029 flow, removed 65 selfloop flow, removed 10 redundant places. [2021-03-25 22:11:04,215 INFO L241 Difference]: Finished difference. Result has 772 places, 1100 transitions, 30730 flow [2021-03-25 22:11:04,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30386, PETRI_DIFFERENCE_MINUEND_PLACES=756, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30730, PETRI_PLACES=772, PETRI_TRANSITIONS=1100} [2021-03-25 22:11:04,216 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 733 predicate places. [2021-03-25 22:11:04,216 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:04,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 1100 transitions, 30730 flow [2021-03-25 22:11:04,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 1100 transitions, 30730 flow [2021-03-25 22:11:04,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 1100 transitions, 30730 flow [2021-03-25 22:11:04,836 INFO L129 PetriNetUnfolder]: 875/1902 cut-off events. [2021-03-25 22:11:04,836 INFO L130 PetriNetUnfolder]: For 214860/215355 co-relation queries the response was YES. [2021-03-25 22:11:04,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33228 conditions, 1902 events. 875/1902 cut-off events. For 214860/215355 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 14718 event pairs, 43 based on Foata normal form. 51/1917 useless extension candidates. Maximal degree in co-relation 32925. Up to 582 conditions per place. [2021-03-25 22:11:04,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 822 [2021-03-25 22:11:05,024 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:05,024 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:05,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 808 [2021-03-25 22:11:05,024 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 1100 transitions, 30730 flow [2021-03-25 22:11:05,024 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) [2021-03-25 22:11:05,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:05,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:05,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-25 22:11:05,024 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:05,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash 695242475, now seen corresponding path program 1 times [2021-03-25 22:11:05,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:05,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761485779] [2021-03-25 22:11:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:05,033 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:05,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:05,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:05,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:05,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:05,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:05,064 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:11:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:11:05,085 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:11:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:11:05,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:05,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:05,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:05,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:05,123 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:11:05,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:05,127 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:05,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:05,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761485779] [2021-03-25 22:11:05,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:05,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:11:05,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757625558] [2021-03-25 22:11:05,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:11:05,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:05,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:11:05,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:11:05,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:11:05,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 1100 transitions, 30730 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) [2021-03-25 22:11:05,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:05,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:11:05,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:06,816 INFO L129 PetriNetUnfolder]: 1099/2234 cut-off events. [2021-03-25 22:11:06,816 INFO L130 PetriNetUnfolder]: For 247613/247634 co-relation queries the response was YES. [2021-03-25 22:11:06,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40920 conditions, 2234 events. 1099/2234 cut-off events. For 247613/247634 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 16359 event pairs, 197 based on Foata normal form. 12/2243 useless extension candidates. Maximal degree in co-relation 40614. Up to 2003 conditions per place. [2021-03-25 22:11:06,875 INFO L132 encePairwiseOnDemand]: 123/147 looper letters, 957 selfloop transitions, 142 changer transitions 2/1109 dead transitions. [2021-03-25 22:11:06,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 1109 transitions, 33348 flow [2021-03-25 22:11:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:11:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:11:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 354 transitions. [2021-03-25 22:11:06,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24081632653061225 [2021-03-25 22:11:06,877 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 354 transitions. [2021-03-25 22:11:06,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 354 transitions. [2021-03-25 22:11:06,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:06,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 354 transitions. [2021-03-25 22:11:06,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.4) internal successors, (354), 10 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) [2021-03-25 22:11:06,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 147.0) internal successors, (1617), 11 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:06,878 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 147.0) internal successors, (1617), 11 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:06,878 INFO L185 Difference]: Start difference. First operand has 769 places, 1100 transitions, 30730 flow. Second operand 10 states and 354 transitions. [2021-03-25 22:11:06,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 1109 transitions, 33348 flow [2021-03-25 22:11:08,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 1109 transitions, 33023 flow, removed 93 selfloop flow, removed 12 redundant places. [2021-03-25 22:11:08,865 INFO L241 Difference]: Finished difference. Result has 769 places, 1102 transitions, 30916 flow [2021-03-25 22:11:08,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30405, PETRI_DIFFERENCE_MINUEND_PLACES=757, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=30916, PETRI_PLACES=769, PETRI_TRANSITIONS=1102} [2021-03-25 22:11:08,866 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 730 predicate places. [2021-03-25 22:11:08,866 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:08,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 1102 transitions, 30916 flow [2021-03-25 22:11:08,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 1102 transitions, 30916 flow [2021-03-25 22:11:08,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 768 places, 1102 transitions, 30916 flow [2021-03-25 22:11:09,521 INFO L129 PetriNetUnfolder]: 867/1896 cut-off events. [2021-03-25 22:11:09,521 INFO L130 PetriNetUnfolder]: For 217669/218195 co-relation queries the response was YES. [2021-03-25 22:11:09,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33222 conditions, 1896 events. 867/1896 cut-off events. For 217669/218195 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 14676 event pairs, 52 based on Foata normal form. 53/1926 useless extension candidates. Maximal degree in co-relation 32899. Up to 575 conditions per place. [2021-03-25 22:11:09,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 822 [2021-03-25 22:11:09,816 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:09,816 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:09,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-03-25 22:11:09,816 INFO L480 AbstractCegarLoop]: Abstraction has has 768 places, 1102 transitions, 30916 flow [2021-03-25 22:11:09,816 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) [2021-03-25 22:11:09,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:09,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:09,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-25 22:11:09,816 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash -49460023, now seen corresponding path program 2 times [2021-03-25 22:11:09,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:09,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616357858] [2021-03-25 22:11:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:09,826 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:09,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:09,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:09,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:09,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:09,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:09,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:09,872 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:11:09,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:11:09,899 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:11:09,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:11:09,926 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:09,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:09,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:09,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:11:09,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:09,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:09,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:09,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616357858] [2021-03-25 22:11:09,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:09,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:11:09,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619328143] [2021-03-25 22:11:09,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:11:09,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:09,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:11:09,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:11:09,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:11:09,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 1102 transitions, 30916 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) [2021-03-25 22:11:09,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:09,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:11:09,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:11,868 INFO L129 PetriNetUnfolder]: 1098/2231 cut-off events. [2021-03-25 22:11:11,868 INFO L130 PetriNetUnfolder]: For 252391/252423 co-relation queries the response was YES. [2021-03-25 22:11:11,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41090 conditions, 2231 events. 1098/2231 cut-off events. For 252391/252423 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 16318 event pairs, 200 based on Foata normal form. 13/2240 useless extension candidates. Maximal degree in co-relation 40754. Up to 2001 conditions per place. [2021-03-25 22:11:11,926 INFO L132 encePairwiseOnDemand]: 123/147 looper letters, 956 selfloop transitions, 134 changer transitions 11/1109 dead transitions. [2021-03-25 22:11:11,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 1109 transitions, 33441 flow [2021-03-25 22:11:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:11:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:11:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 406 transitions. [2021-03-25 22:11:11,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23015873015873015 [2021-03-25 22:11:11,927 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 406 transitions. [2021-03-25 22:11:11,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 406 transitions. [2021-03-25 22:11:11,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:11,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 406 transitions. [2021-03-25 22:11:11,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 12 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:11,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:11,928 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:11,928 INFO L185 Difference]: Start difference. First operand has 768 places, 1102 transitions, 30916 flow. Second operand 12 states and 406 transitions. [2021-03-25 22:11:11,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 1109 transitions, 33441 flow [2021-03-25 22:11:13,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 770 places, 1109 transitions, 33009 flow, removed 62 selfloop flow, removed 9 redundant places. [2021-03-25 22:11:13,827 INFO L241 Difference]: Finished difference. Result has 772 places, 1093 transitions, 30557 flow [2021-03-25 22:11:13,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30490, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30557, PETRI_PLACES=772, PETRI_TRANSITIONS=1093} [2021-03-25 22:11:13,828 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 733 predicate places. [2021-03-25 22:11:13,828 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:13,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 1093 transitions, 30557 flow [2021-03-25 22:11:13,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 1093 transitions, 30557 flow [2021-03-25 22:11:13,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 1093 transitions, 30557 flow [2021-03-25 22:11:14,422 INFO L129 PetriNetUnfolder]: 873/1895 cut-off events. [2021-03-25 22:11:14,422 INFO L130 PetriNetUnfolder]: For 223927/224409 co-relation queries the response was YES. [2021-03-25 22:11:14,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33154 conditions, 1895 events. 873/1895 cut-off events. For 223927/224409 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 14575 event pairs, 46 based on Foata normal form. 55/1919 useless extension candidates. Maximal degree in co-relation 32850. Up to 576 conditions per place. [2021-03-25 22:11:14,498 INFO L142 LiptonReduction]: Number of co-enabled transitions 822 [2021-03-25 22:11:14,632 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:14,632 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:14,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 804 [2021-03-25 22:11:14,633 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 1093 transitions, 30557 flow [2021-03-25 22:11:14,633 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) [2021-03-25 22:11:14,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:14,633 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] [2021-03-25 22:11:14,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-25 22:11:14,633 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash 590470654, now seen corresponding path program 1 times [2021-03-25 22:11:14,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:14,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561206998] [2021-03-25 22:11:14,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:14,640 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:14,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:14,644 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:14,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:14,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:14,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:14,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:14,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:14,680 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:14,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:14,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:14,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:14,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:14,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:14,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:14,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:14,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:11:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:14,754 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:14,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:14,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561206998] [2021-03-25 22:11:14,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:14,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:11:14,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772222353] [2021-03-25 22:11:14,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:11:14,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:14,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:11:14,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:11:14,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-25 22:11:14,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 1093 transitions, 30557 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) [2021-03-25 22:11:14,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:14,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-25 22:11:14,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:16,868 INFO L129 PetriNetUnfolder]: 1105/2241 cut-off events. [2021-03-25 22:11:16,869 INFO L130 PetriNetUnfolder]: For 252912/252933 co-relation queries the response was YES. [2021-03-25 22:11:16,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41277 conditions, 2241 events. 1105/2241 cut-off events. For 252912/252933 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 16374 event pairs, 137 based on Foata normal form. 18/2258 useless extension candidates. Maximal degree in co-relation 40970. Up to 1916 conditions per place. [2021-03-25 22:11:16,935 INFO L132 encePairwiseOnDemand]: 122/147 looper letters, 915 selfloop transitions, 200 changer transitions 2/1125 dead transitions. [2021-03-25 22:11:16,935 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 780 places, 1125 transitions, 33926 flow [2021-03-25 22:11:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:11:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:11:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-25 22:11:16,936 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22874149659863946 [2021-03-25 22:11:16,936 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-25 22:11:16,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-25 22:11:16,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:16,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-25 22:11:16,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 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) [2021-03-25 22:11:16,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 147.0) internal successors, (2499), 17 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:16,938 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 147.0) internal successors, (2499), 17 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:16,938 INFO L185 Difference]: Start difference. First operand has 765 places, 1093 transitions, 30557 flow. Second operand 16 states and 538 transitions. [2021-03-25 22:11:16,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 780 places, 1125 transitions, 33926 flow [2021-03-25 22:11:19,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 1125 transitions, 33432 flow, removed 17 selfloop flow, removed 13 redundant places. [2021-03-25 22:11:19,093 INFO L241 Difference]: Finished difference. Result has 772 places, 1107 transitions, 31119 flow [2021-03-25 22:11:19,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30081, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1093, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=903, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31119, PETRI_PLACES=772, PETRI_TRANSITIONS=1107} [2021-03-25 22:11:19,094 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 733 predicate places. [2021-03-25 22:11:19,094 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:19,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 1107 transitions, 31119 flow [2021-03-25 22:11:19,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 1107 transitions, 31119 flow [2021-03-25 22:11:19,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 1107 transitions, 31119 flow [2021-03-25 22:11:19,810 INFO L129 PetriNetUnfolder]: 888/1921 cut-off events. [2021-03-25 22:11:19,811 INFO L130 PetriNetUnfolder]: For 211214/211452 co-relation queries the response was YES. [2021-03-25 22:11:19,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33538 conditions, 1921 events. 888/1921 cut-off events. For 211214/211452 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 14799 event pairs, 57 based on Foata normal form. 31/1920 useless extension candidates. Maximal degree in co-relation 33214. Up to 574 conditions per place. [2021-03-25 22:11:19,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 844 [2021-03-25 22:11:20,289 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:20,290 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:11:20,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1196 [2021-03-25 22:11:20,290 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 1107 transitions, 31204 flow [2021-03-25 22:11:20,290 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) [2021-03-25 22:11:20,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:20,290 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] [2021-03-25 22:11:20,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-25 22:11:20,290 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:20,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:20,291 INFO L82 PathProgramCache]: Analyzing trace with hash -623272760, now seen corresponding path program 2 times [2021-03-25 22:11:20,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:20,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257406274] [2021-03-25 22:11:20,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:20,316 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:20,321 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:20,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:20,355 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:20,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:20,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:20,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:20,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:20,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:11:20,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:20,437 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:20,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257406274] [2021-03-25 22:11:20,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:20,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:11:20,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079657803] [2021-03-25 22:11:20,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:11:20,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:20,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:11:20,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:11:20,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:20,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 1107 transitions, 31204 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) [2021-03-25 22:11:20,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:20,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:20,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:22,873 INFO L129 PetriNetUnfolder]: 1113/2255 cut-off events. [2021-03-25 22:11:22,873 INFO L130 PetriNetUnfolder]: For 257389/257410 co-relation queries the response was YES. [2021-03-25 22:11:22,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41679 conditions, 2255 events. 1113/2255 cut-off events. For 257389/257410 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 16516 event pairs, 160 based on Foata normal form. 18/2272 useless extension candidates. Maximal degree in co-relation 41342. Up to 1927 conditions per place. [2021-03-25 22:11:22,939 INFO L132 encePairwiseOnDemand]: 122/149 looper letters, 922 selfloop transitions, 205 changer transitions 2/1137 dead transitions. [2021-03-25 22:11:22,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 1137 transitions, 34683 flow [2021-03-25 22:11:22,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:11:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:11:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 484 transitions. [2021-03-25 22:11:22,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23202301054650049 [2021-03-25 22:11:22,940 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 484 transitions. [2021-03-25 22:11:22,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 484 transitions. [2021-03-25 22:11:22,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:22,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 484 transitions. [2021-03-25 22:11:22,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.57142857142857) internal successors, (484), 14 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) [2021-03-25 22:11:22,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:22,942 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:22,942 INFO L185 Difference]: Start difference. First operand has 771 places, 1107 transitions, 31204 flow. Second operand 14 states and 484 transitions. [2021-03-25 22:11:22,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 1137 transitions, 34683 flow [2021-03-25 22:11:25,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 775 places, 1137 transitions, 33593 flow, removed 396 selfloop flow, removed 9 redundant places. [2021-03-25 22:11:25,056 INFO L241 Difference]: Finished difference. Result has 779 places, 1119 transitions, 31294 flow [2021-03-25 22:11:25,057 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30328, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=909, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31294, PETRI_PLACES=779, PETRI_TRANSITIONS=1119} [2021-03-25 22:11:25,057 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 740 predicate places. [2021-03-25 22:11:25,057 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:25,057 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 779 places, 1119 transitions, 31294 flow [2021-03-25 22:11:25,057 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 779 places, 1119 transitions, 31294 flow [2021-03-25 22:11:25,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 778 places, 1119 transitions, 31294 flow [2021-03-25 22:11:25,686 INFO L129 PetriNetUnfolder]: 880/1913 cut-off events. [2021-03-25 22:11:25,686 INFO L130 PetriNetUnfolder]: For 223498/223911 co-relation queries the response was YES. [2021-03-25 22:11:25,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33618 conditions, 1913 events. 880/1913 cut-off events. For 223498/223911 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 14795 event pairs, 53 based on Foata normal form. 29/1909 useless extension candidates. Maximal degree in co-relation 33291. Up to 567 conditions per place. [2021-03-25 22:11:25,759 INFO L142 LiptonReduction]: Number of co-enabled transitions 844 [2021-03-25 22:11:25,905 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:25,905 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:25,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 848 [2021-03-25 22:11:25,905 INFO L480 AbstractCegarLoop]: Abstraction has has 778 places, 1119 transitions, 31294 flow [2021-03-25 22:11:25,905 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) [2021-03-25 22:11:25,905 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:25,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:25,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-25 22:11:25,905 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:25,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:25,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1480814428, now seen corresponding path program 1 times [2021-03-25 22:11:25,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:25,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308168924] [2021-03-25 22:11:25,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:25,921 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:25,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:25,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:25,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:25,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:25,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:25,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:25,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:25,952 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:25,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:25,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:25,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:25,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:25,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:25,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:25,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:26,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:26,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:11:26,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:26,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308168924] [2021-03-25 22:11:26,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:26,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:11:26,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605213648] [2021-03-25 22:11:26,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:11:26,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:26,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:11:26,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:11:26,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:26,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 1119 transitions, 31294 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) [2021-03-25 22:11:26,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:26,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:26,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:28,015 INFO L129 PetriNetUnfolder]: 1112/2252 cut-off events. [2021-03-25 22:11:28,015 INFO L130 PetriNetUnfolder]: For 261557/261578 co-relation queries the response was YES. [2021-03-25 22:11:28,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41685 conditions, 2252 events. 1112/2252 cut-off events. For 261557/261578 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 16466 event pairs, 161 based on Foata normal form. 18/2269 useless extension candidates. Maximal degree in co-relation 41345. Up to 1925 conditions per place. [2021-03-25 22:11:28,081 INFO L132 encePairwiseOnDemand]: 123/149 looper letters, 922 selfloop transitions, 202 changer transitions 3/1135 dead transitions. [2021-03-25 22:11:28,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 1135 transitions, 34001 flow [2021-03-25 22:11:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:11:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:11:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 508 transitions. [2021-03-25 22:11:28,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2272930648769575 [2021-03-25 22:11:28,083 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 508 transitions. [2021-03-25 22:11:28,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 508 transitions. [2021-03-25 22:11:28,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:28,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 508 transitions. [2021-03-25 22:11:28,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.86666666666667) internal successors, (508), 15 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) [2021-03-25 22:11:28,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:28,084 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:28,084 INFO L185 Difference]: Start difference. First operand has 778 places, 1119 transitions, 31294 flow. Second operand 15 states and 508 transitions. [2021-03-25 22:11:28,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 1135 transitions, 34001 flow [2021-03-25 22:11:30,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 1135 transitions, 33296 flow, removed 219 selfloop flow, removed 8 redundant places. [2021-03-25 22:11:30,420 INFO L241 Difference]: Finished difference. Result has 786 places, 1117 transitions, 30978 flow [2021-03-25 22:11:30,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30589, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30978, PETRI_PLACES=786, PETRI_TRANSITIONS=1117} [2021-03-25 22:11:30,421 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 747 predicate places. [2021-03-25 22:11:30,421 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:30,421 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 786 places, 1117 transitions, 30978 flow [2021-03-25 22:11:30,421 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 786 places, 1117 transitions, 30978 flow [2021-03-25 22:11:30,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 783 places, 1117 transitions, 30978 flow [2021-03-25 22:11:31,230 INFO L129 PetriNetUnfolder]: 882/1912 cut-off events. [2021-03-25 22:11:31,230 INFO L130 PetriNetUnfolder]: For 222825/223228 co-relation queries the response was YES. [2021-03-25 22:11:31,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33573 conditions, 1912 events. 882/1912 cut-off events. For 222825/223228 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 14804 event pairs, 53 based on Foata normal form. 30/1909 useless extension candidates. Maximal degree in co-relation 33263. Up to 564 conditions per place. [2021-03-25 22:11:31,309 INFO L142 LiptonReduction]: Number of co-enabled transitions 844 [2021-03-25 22:11:31,451 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:31,451 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:31,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1030 [2021-03-25 22:11:31,452 INFO L480 AbstractCegarLoop]: Abstraction has has 783 places, 1117 transitions, 30978 flow [2021-03-25 22:11:31,452 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) [2021-03-25 22:11:31,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:31,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:31,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-25 22:11:31,452 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:31,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1618207177, now seen corresponding path program 1 times [2021-03-25 22:11:31,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:31,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214842805] [2021-03-25 22:11:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:31,460 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:31,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:31,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:31,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:31,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:31,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:31,492 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:31,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:31,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:31,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:31,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:31,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:31,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:31,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:11:31,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:31,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:31,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214842805] [2021-03-25 22:11:31,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:31,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:11:31,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117241383] [2021-03-25 22:11:31,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:11:31,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:31,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:11:31,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:11:31,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:31,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 783 places, 1117 transitions, 30978 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) [2021-03-25 22:11:31,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:31,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:31,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:34,182 INFO L129 PetriNetUnfolder]: 1138/2295 cut-off events. [2021-03-25 22:11:34,183 INFO L130 PetriNetUnfolder]: For 277276/277308 co-relation queries the response was YES. [2021-03-25 22:11:34,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42785 conditions, 2295 events. 1138/2295 cut-off events. For 277276/277308 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 16863 event pairs, 125 based on Foata normal form. 26/2320 useless extension candidates. Maximal degree in co-relation 42472. Up to 1928 conditions per place. [2021-03-25 22:11:34,249 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 928 selfloop transitions, 215 changer transitions 2/1153 dead transitions. [2021-03-25 22:11:34,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 1153 transitions, 34581 flow [2021-03-25 22:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:11:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:11:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 578 transitions. [2021-03-25 22:11:34,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22818791946308725 [2021-03-25 22:11:34,250 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 578 transitions. [2021-03-25 22:11:34,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 578 transitions. [2021-03-25 22:11:34,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:34,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 578 transitions. [2021-03-25 22:11:34,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 34.0) internal successors, (578), 17 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) [2021-03-25 22:11:34,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:34,252 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:34,252 INFO L185 Difference]: Start difference. First operand has 783 places, 1117 transitions, 30978 flow. Second operand 17 states and 578 transitions. [2021-03-25 22:11:34,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 1153 transitions, 34581 flow [2021-03-25 22:11:36,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 1153 transitions, 34161 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-25 22:11:36,320 INFO L241 Difference]: Finished difference. Result has 789 places, 1129 transitions, 31711 flow [2021-03-25 22:11:36,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30571, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=906, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=31711, PETRI_PLACES=789, PETRI_TRANSITIONS=1129} [2021-03-25 22:11:36,321 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 750 predicate places. [2021-03-25 22:11:36,321 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:36,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 789 places, 1129 transitions, 31711 flow [2021-03-25 22:11:36,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 789 places, 1129 transitions, 31711 flow [2021-03-25 22:11:36,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 1129 transitions, 31711 flow [2021-03-25 22:11:37,104 INFO L129 PetriNetUnfolder]: 897/1951 cut-off events. [2021-03-25 22:11:37,104 INFO L130 PetriNetUnfolder]: For 235749/236039 co-relation queries the response was YES. [2021-03-25 22:11:37,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34400 conditions, 1951 events. 897/1951 cut-off events. For 235749/236039 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 15169 event pairs, 39 based on Foata normal form. 30/1945 useless extension candidates. Maximal degree in co-relation 34090. Up to 576 conditions per place. [2021-03-25 22:11:37,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-25 22:11:37,327 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:37,327 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:37,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1006 [2021-03-25 22:11:37,328 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 1129 transitions, 31711 flow [2021-03-25 22:11:37,328 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) [2021-03-25 22:11:37,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:37,328 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:37,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-25 22:11:37,328 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:37,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:37,328 INFO L82 PathProgramCache]: Analyzing trace with hash -419368085, now seen corresponding path program 2 times [2021-03-25 22:11:37,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:37,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611654066] [2021-03-25 22:11:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:37,343 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:37,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:37,349 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:37,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:37,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:37,381 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:37,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:37,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:37,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:37,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:37,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:37,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:37,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:11:37,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:37,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:37,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:37,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611654066] [2021-03-25 22:11:37,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:37,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:11:37,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341780865] [2021-03-25 22:11:37,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:11:37,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:37,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:11:37,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:11:37,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:37,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 1129 transitions, 31711 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) [2021-03-25 22:11:37,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:37,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:37,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:39,255 INFO L129 PetriNetUnfolder]: 1138/2303 cut-off events. [2021-03-25 22:11:39,256 INFO L130 PetriNetUnfolder]: For 278704/278725 co-relation queries the response was YES. [2021-03-25 22:11:39,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42986 conditions, 2303 events. 1138/2303 cut-off events. For 278704/278725 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 16926 event pairs, 143 based on Foata normal form. 18/2320 useless extension candidates. Maximal degree in co-relation 42673. Up to 1969 conditions per place. [2021-03-25 22:11:39,314 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 935 selfloop transitions, 203 changer transitions 2/1148 dead transitions. [2021-03-25 22:11:39,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 1148 transitions, 34415 flow [2021-03-25 22:11:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:11:39,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:11:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 483 transitions. [2021-03-25 22:11:39,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23154362416107382 [2021-03-25 22:11:39,315 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 483 transitions. [2021-03-25 22:11:39,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 483 transitions. [2021-03-25 22:11:39,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:39,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 483 transitions. [2021-03-25 22:11:39,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.5) internal successors, (483), 14 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:39,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:39,316 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:39,316 INFO L185 Difference]: Start difference. First operand has 787 places, 1129 transitions, 31711 flow. Second operand 14 states and 483 transitions. [2021-03-25 22:11:39,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 800 places, 1148 transitions, 34415 flow [2021-03-25 22:11:41,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 1148 transitions, 33528 flow, removed 294 selfloop flow, removed 13 redundant places. [2021-03-25 22:11:41,419 INFO L241 Difference]: Finished difference. Result has 790 places, 1130 transitions, 31274 flow [2021-03-25 22:11:41,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30824, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31274, PETRI_PLACES=790, PETRI_TRANSITIONS=1130} [2021-03-25 22:11:41,420 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 751 predicate places. [2021-03-25 22:11:41,420 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:41,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 790 places, 1130 transitions, 31274 flow [2021-03-25 22:11:41,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 790 places, 1130 transitions, 31274 flow [2021-03-25 22:11:41,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 789 places, 1130 transitions, 31274 flow [2021-03-25 22:11:42,148 INFO L129 PetriNetUnfolder]: 896/1951 cut-off events. [2021-03-25 22:11:42,148 INFO L130 PetriNetUnfolder]: For 222711/222962 co-relation queries the response was YES. [2021-03-25 22:11:42,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34076 conditions, 1951 events. 896/1951 cut-off events. For 222711/222962 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 15137 event pairs, 50 based on Foata normal form. 35/1957 useless extension candidates. Maximal degree in co-relation 33745. Up to 564 conditions per place. [2021-03-25 22:11:42,220 INFO L142 LiptonReduction]: Number of co-enabled transitions 898 [2021-03-25 22:11:42,369 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:42,369 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:42,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 949 [2021-03-25 22:11:42,369 INFO L480 AbstractCegarLoop]: Abstraction has has 789 places, 1130 transitions, 31274 flow [2021-03-25 22:11:42,370 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) [2021-03-25 22:11:42,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:42,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:42,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-25 22:11:42,370 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:42,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:42,370 INFO L82 PathProgramCache]: Analyzing trace with hash 278578675, now seen corresponding path program 3 times [2021-03-25 22:11:42,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:42,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830229954] [2021-03-25 22:11:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:42,376 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:42,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:42,380 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:42,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:42,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:42,404 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:42,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:42,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:42,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:42,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:11:42,470 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:42,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:42,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830229954] [2021-03-25 22:11:42,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:42,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:11:42,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467875980] [2021-03-25 22:11:42,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:11:42,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:42,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:11:42,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:11:42,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:42,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 789 places, 1130 transitions, 31274 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) [2021-03-25 22:11:42,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:42,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:42,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:44,422 INFO L129 PetriNetUnfolder]: 1137/2302 cut-off events. [2021-03-25 22:11:44,422 INFO L130 PetriNetUnfolder]: For 267028/267041 co-relation queries the response was YES. [2021-03-25 22:11:44,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42284 conditions, 2302 events. 1137/2302 cut-off events. For 267028/267041 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 16956 event pairs, 162 based on Foata normal form. 10/2311 useless extension candidates. Maximal degree in co-relation 41940. Up to 1968 conditions per place. [2021-03-25 22:11:44,485 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 934 selfloop transitions, 200 changer transitions 5/1147 dead transitions. [2021-03-25 22:11:44,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 1147 transitions, 33884 flow [2021-03-25 22:11:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:11:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:11:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 505 transitions. [2021-03-25 22:11:44,486 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22595078299776286 [2021-03-25 22:11:44,486 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 505 transitions. [2021-03-25 22:11:44,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 505 transitions. [2021-03-25 22:11:44,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:44,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 505 transitions. [2021-03-25 22:11:44,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.666666666666664) internal successors, (505), 15 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) [2021-03-25 22:11:44,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:44,488 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:44,488 INFO L185 Difference]: Start difference. First operand has 789 places, 1130 transitions, 31274 flow. Second operand 15 states and 505 transitions. [2021-03-25 22:11:44,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 1147 transitions, 33884 flow [2021-03-25 22:11:46,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 1147 transitions, 33426 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-25 22:11:46,767 INFO L241 Difference]: Finished difference. Result has 792 places, 1127 transitions, 31202 flow [2021-03-25 22:11:46,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30816, PETRI_DIFFERENCE_MINUEND_PLACES=775, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31202, PETRI_PLACES=792, PETRI_TRANSITIONS=1127} [2021-03-25 22:11:46,768 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 753 predicate places. [2021-03-25 22:11:46,768 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:46,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 1127 transitions, 31202 flow [2021-03-25 22:11:46,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 1127 transitions, 31202 flow [2021-03-25 22:11:46,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 1127 transitions, 31202 flow [2021-03-25 22:11:47,556 INFO L129 PetriNetUnfolder]: 898/1954 cut-off events. [2021-03-25 22:11:47,556 INFO L130 PetriNetUnfolder]: For 224588/224857 co-relation queries the response was YES. [2021-03-25 22:11:47,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34010 conditions, 1954 events. 898/1954 cut-off events. For 224588/224857 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 15195 event pairs, 52 based on Foata normal form. 32/1950 useless extension candidates. Maximal degree in co-relation 33700. Up to 565 conditions per place. [2021-03-25 22:11:47,635 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-25 22:11:47,779 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:47,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:47,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1011 [2021-03-25 22:11:47,780 INFO L480 AbstractCegarLoop]: Abstraction has has 788 places, 1127 transitions, 31202 flow [2021-03-25 22:11:47,780 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) [2021-03-25 22:11:47,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:47,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:47,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-25 22:11:47,780 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:47,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:47,780 INFO L82 PathProgramCache]: Analyzing trace with hash 438911799, now seen corresponding path program 4 times [2021-03-25 22:11:47,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:47,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999058914] [2021-03-25 22:11:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:47,792 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:47,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:47,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:47,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:47,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:47,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:47,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:47,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:47,825 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:11:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:11:47,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:47,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:47,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:47,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:47,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:47,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:47,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:11:47,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:47,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:47,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999058914] [2021-03-25 22:11:47,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:47,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:11:47,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179861302] [2021-03-25 22:11:47,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:11:47,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:47,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:11:47,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:11:47,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:47,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 1127 transitions, 31202 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) [2021-03-25 22:11:47,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:47,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:47,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:50,619 INFO L129 PetriNetUnfolder]: 1135/2298 cut-off events. [2021-03-25 22:11:50,620 INFO L130 PetriNetUnfolder]: For 261966/261987 co-relation queries the response was YES. [2021-03-25 22:11:50,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42191 conditions, 2298 events. 1135/2298 cut-off events. For 261966/261987 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 16920 event pairs, 138 based on Foata normal form. 18/2315 useless extension candidates. Maximal degree in co-relation 41879. Up to 1965 conditions per place. [2021-03-25 22:11:50,681 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 932 selfloop transitions, 201 changer transitions 3/1144 dead transitions. [2021-03-25 22:11:50,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 802 places, 1144 transitions, 33812 flow [2021-03-25 22:11:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:11:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:11:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 508 transitions. [2021-03-25 22:11:50,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2272930648769575 [2021-03-25 22:11:50,683 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 508 transitions. [2021-03-25 22:11:50,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 508 transitions. [2021-03-25 22:11:50,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:50,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 508 transitions. [2021-03-25 22:11:50,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.86666666666667) internal successors, (508), 15 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) [2021-03-25 22:11:50,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:50,684 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:50,684 INFO L185 Difference]: Start difference. First operand has 788 places, 1127 transitions, 31202 flow. Second operand 15 states and 508 transitions. [2021-03-25 22:11:50,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 802 places, 1144 transitions, 33812 flow [2021-03-25 22:11:52,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 1144 transitions, 33400 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-25 22:11:53,008 INFO L241 Difference]: Finished difference. Result has 791 places, 1125 transitions, 31170 flow [2021-03-25 22:11:53,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30792, PETRI_DIFFERENCE_MINUEND_PLACES=775, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31170, PETRI_PLACES=791, PETRI_TRANSITIONS=1125} [2021-03-25 22:11:53,009 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 752 predicate places. [2021-03-25 22:11:53,009 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:53,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 791 places, 1125 transitions, 31170 flow [2021-03-25 22:11:53,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 791 places, 1125 transitions, 31170 flow [2021-03-25 22:11:53,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 1125 transitions, 31170 flow [2021-03-25 22:11:53,664 INFO L129 PetriNetUnfolder]: 894/1951 cut-off events. [2021-03-25 22:11:53,665 INFO L130 PetriNetUnfolder]: For 217439/217675 co-relation queries the response was YES. [2021-03-25 22:11:53,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33939 conditions, 1951 events. 894/1951 cut-off events. For 217439/217675 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 15195 event pairs, 45 based on Foata normal form. 29/1950 useless extension candidates. Maximal degree in co-relation 33629. Up to 562 conditions per place. [2021-03-25 22:11:53,736 INFO L142 LiptonReduction]: Number of co-enabled transitions 882 [2021-03-25 22:11:53,875 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:53,875 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:53,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 866 [2021-03-25 22:11:53,875 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 1125 transitions, 31170 flow [2021-03-25 22:11:53,876 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) [2021-03-25 22:11:53,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:53,876 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] [2021-03-25 22:11:53,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-25 22:11:53,876 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:53,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:53,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1759900810, now seen corresponding path program 4 times [2021-03-25 22:11:53,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:53,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392606371] [2021-03-25 22:11:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:53,896 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:53,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:53,901 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:53,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:53,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:53,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:53,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:53,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:53,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:53,952 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:11:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:11:53,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:11:53,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:54,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:11:54,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:54,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:54,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392606371] [2021-03-25 22:11:54,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:54,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:11:54,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70365661] [2021-03-25 22:11:54,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:11:54,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:54,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:11:54,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:11:54,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:54,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 1125 transitions, 31170 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) [2021-03-25 22:11:54,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:54,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:54,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:11:56,390 INFO L129 PetriNetUnfolder]: 1136/2308 cut-off events. [2021-03-25 22:11:56,390 INFO L130 PetriNetUnfolder]: For 268081/268102 co-relation queries the response was YES. [2021-03-25 22:11:56,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42480 conditions, 2308 events. 1136/2308 cut-off events. For 268081/268102 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 17060 event pairs, 138 based on Foata normal form. 18/2325 useless extension candidates. Maximal degree in co-relation 42168. Up to 2080 conditions per place. [2021-03-25 22:11:56,455 INFO L132 encePairwiseOnDemand]: 132/149 looper letters, 1061 selfloop transitions, 71 changer transitions 2/1142 dead transitions. [2021-03-25 22:11:56,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 801 places, 1142 transitions, 34204 flow [2021-03-25 22:11:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:11:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:11:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-25 22:11:56,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21923937360178972 [2021-03-25 22:11:56,457 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-25 22:11:56,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-25 22:11:56,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:11:56,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-25 22:11:56,457 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) [2021-03-25 22:11:56,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:56,458 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:11:56,458 INFO L185 Difference]: Start difference. First operand has 787 places, 1125 transitions, 31170 flow. Second operand 15 states and 490 transitions. [2021-03-25 22:11:56,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 801 places, 1142 transitions, 34204 flow [2021-03-25 22:11:58,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 1142 transitions, 33794 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-25 22:11:58,775 INFO L241 Difference]: Finished difference. Result has 791 places, 1129 transitions, 31274 flow [2021-03-25 22:11:58,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30760, PETRI_DIFFERENCE_MINUEND_PLACES=773, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31274, PETRI_PLACES=791, PETRI_TRANSITIONS=1129} [2021-03-25 22:11:58,776 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 752 predicate places. [2021-03-25 22:11:58,776 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:11:58,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 791 places, 1129 transitions, 31274 flow [2021-03-25 22:11:58,776 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 791 places, 1129 transitions, 31274 flow [2021-03-25 22:11:58,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 790 places, 1129 transitions, 31274 flow [2021-03-25 22:11:59,552 INFO L129 PetriNetUnfolder]: 893/1955 cut-off events. [2021-03-25 22:11:59,552 INFO L130 PetriNetUnfolder]: For 233511/233791 co-relation queries the response was YES. [2021-03-25 22:11:59,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34197 conditions, 1955 events. 893/1955 cut-off events. For 233511/233791 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 15285 event pairs, 52 based on Foata normal form. 44/1973 useless extension candidates. Maximal degree in co-relation 33865. Up to 567 conditions per place. [2021-03-25 22:11:59,632 INFO L142 LiptonReduction]: Number of co-enabled transitions 882 [2021-03-25 22:11:59,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:11:59,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:11:59,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1008 [2021-03-25 22:11:59,784 INFO L480 AbstractCegarLoop]: Abstraction has has 790 places, 1129 transitions, 31274 flow [2021-03-25 22:11:59,784 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) [2021-03-25 22:11:59,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:11:59,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:11:59,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-25 22:11:59,784 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:11:59,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:11:59,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2106304271, now seen corresponding path program 4 times [2021-03-25 22:11:59,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:11:59,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35418760] [2021-03-25 22:11:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:11:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:11:59,804 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:11:59,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:11:59,810 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:11:59,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:59,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:59,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:11:59,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:59,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:11:59,843 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:11:59,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:11:59,871 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:11:59,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:11:59,899 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:11:59,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:11:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:59,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:59,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:11:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:11:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:11:59,971 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:11:59,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:11:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:11:59,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35418760] [2021-03-25 22:11:59,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:11:59,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:11:59,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783311641] [2021-03-25 22:11:59,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:11:59,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:11:59,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:11:59,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:11:59,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-25 22:11:59,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 790 places, 1129 transitions, 31274 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) [2021-03-25 22:11:59,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:11:59,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-25 22:11:59,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:03,045 INFO L129 PetriNetUnfolder]: 1142/2323 cut-off events. [2021-03-25 22:12:03,045 INFO L130 PetriNetUnfolder]: For 280270/280291 co-relation queries the response was YES. [2021-03-25 22:12:03,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42823 conditions, 2323 events. 1142/2323 cut-off events. For 280270/280291 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17123 event pairs, 166 based on Foata normal form. 14/2336 useless extension candidates. Maximal degree in co-relation 42478. Up to 2026 conditions per place. [2021-03-25 22:12:03,106 INFO L132 encePairwiseOnDemand]: 129/149 looper letters, 1016 selfloop transitions, 137 changer transitions 3/1164 dead transitions. [2021-03-25 22:12:03,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 1164 transitions, 34825 flow [2021-03-25 22:12:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:12:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:12:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 598 transitions. [2021-03-25 22:12:03,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22296793437733034 [2021-03-25 22:12:03,108 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 598 transitions. [2021-03-25 22:12:03,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 598 transitions. [2021-03-25 22:12:03,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:03,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 598 transitions. [2021-03-25 22:12:03,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.22222222222222) internal successors, (598), 18 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:03,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 149.0) internal successors, (2831), 19 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:03,113 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 149.0) internal successors, (2831), 19 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:03,113 INFO L185 Difference]: Start difference. First operand has 790 places, 1129 transitions, 31274 flow. Second operand 18 states and 598 transitions. [2021-03-25 22:12:03,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 1164 transitions, 34825 flow [2021-03-25 22:12:05,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 798 places, 1164 transitions, 34424 flow, removed 158 selfloop flow, removed 9 redundant places. [2021-03-25 22:12:05,634 INFO L241 Difference]: Finished difference. Result has 800 places, 1137 transitions, 31382 flow [2021-03-25 22:12:05,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30873, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=31382, PETRI_PLACES=800, PETRI_TRANSITIONS=1137} [2021-03-25 22:12:05,635 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 761 predicate places. [2021-03-25 22:12:05,635 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:05,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 1137 transitions, 31382 flow [2021-03-25 22:12:05,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 1137 transitions, 31382 flow [2021-03-25 22:12:05,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 1137 transitions, 31382 flow [2021-03-25 22:12:06,431 INFO L129 PetriNetUnfolder]: 899/1965 cut-off events. [2021-03-25 22:12:06,431 INFO L130 PetriNetUnfolder]: For 238132/238388 co-relation queries the response was YES. [2021-03-25 22:12:06,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34540 conditions, 1965 events. 899/1965 cut-off events. For 238132/238388 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 15288 event pairs, 58 based on Foata normal form. 32/1964 useless extension candidates. Maximal degree in co-relation 34206. Up to 566 conditions per place. [2021-03-25 22:12:06,508 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-25 22:12:06,884 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:06,885 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:12:06,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1250 [2021-03-25 22:12:06,885 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 1137 transitions, 31433 flow [2021-03-25 22:12:06,885 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) [2021-03-25 22:12:06,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:06,885 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] [2021-03-25 22:12:06,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-25 22:12:06,885 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:06,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1581573653, now seen corresponding path program 5 times [2021-03-25 22:12:06,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:06,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463734613] [2021-03-25 22:12:06,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:06,892 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:06,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:06,896 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:06,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:06,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:06,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:06,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:06,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:06,921 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:12:06,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:12:06,945 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:12:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:12:06,969 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:12:06,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:12:06,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:06,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:07,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:07,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:07,034 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:07,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463734613] [2021-03-25 22:12:07,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:07,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:12:07,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926076555] [2021-03-25 22:12:07,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:12:07,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:07,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:12:07,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:12:07,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-25 22:12:07,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 1137 transitions, 31433 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) [2021-03-25 22:12:07,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:07,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-25 22:12:07,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:09,371 INFO L129 PetriNetUnfolder]: 1145/2339 cut-off events. [2021-03-25 22:12:09,371 INFO L130 PetriNetUnfolder]: For 284412/284440 co-relation queries the response was YES. [2021-03-25 22:12:09,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43275 conditions, 2339 events. 1145/2339 cut-off events. For 284412/284440 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 17338 event pairs, 157 based on Foata normal form. 24/2362 useless extension candidates. Maximal degree in co-relation 42928. Up to 1821 conditions per place. [2021-03-25 22:12:09,431 INFO L132 encePairwiseOnDemand]: 116/150 looper letters, 802 selfloop transitions, 348 changer transitions 9/1167 dead transitions. [2021-03-25 22:12:09,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 818 places, 1167 transitions, 34814 flow [2021-03-25 22:12:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:12:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:12:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 640 transitions. [2021-03-25 22:12:09,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22456140350877193 [2021-03-25 22:12:09,433 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 640 transitions. [2021-03-25 22:12:09,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 640 transitions. [2021-03-25 22:12:09,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:09,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 640 transitions. [2021-03-25 22:12:09,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.68421052631579) internal successors, (640), 19 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:09,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 150.0) internal successors, (3000), 20 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) [2021-03-25 22:12:09,435 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 150.0) internal successors, (3000), 20 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) [2021-03-25 22:12:09,435 INFO L185 Difference]: Start difference. First operand has 800 places, 1137 transitions, 31433 flow. Second operand 19 states and 640 transitions. [2021-03-25 22:12:09,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 818 places, 1167 transitions, 34814 flow [2021-03-25 22:12:12,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 1167 transitions, 34384 flow, removed 115 selfloop flow, removed 9 redundant places. [2021-03-25 22:12:12,044 INFO L241 Difference]: Finished difference. Result has 813 places, 1142 transitions, 32026 flow [2021-03-25 22:12:12,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=31003, PETRI_DIFFERENCE_MINUEND_PLACES=791, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=32026, PETRI_PLACES=813, PETRI_TRANSITIONS=1142} [2021-03-25 22:12:12,045 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 774 predicate places. [2021-03-25 22:12:12,045 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:12,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 813 places, 1142 transitions, 32026 flow [2021-03-25 22:12:12,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 813 places, 1142 transitions, 32026 flow [2021-03-25 22:12:12,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 813 places, 1142 transitions, 32026 flow [2021-03-25 22:12:12,878 INFO L129 PetriNetUnfolder]: 900/1976 cut-off events. [2021-03-25 22:12:12,878 INFO L130 PetriNetUnfolder]: For 251915/252155 co-relation queries the response was YES. [2021-03-25 22:12:12,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35177 conditions, 1976 events. 900/1976 cut-off events. For 251915/252155 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 15537 event pairs, 46 based on Foata normal form. 29/1971 useless extension candidates. Maximal degree in co-relation 34839. Up to 561 conditions per place. [2021-03-25 22:12:12,961 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-25 22:12:13,121 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:13,121 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:12:13,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1076 [2021-03-25 22:12:13,121 INFO L480 AbstractCegarLoop]: Abstraction has has 813 places, 1142 transitions, 32026 flow [2021-03-25 22:12:13,121 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) [2021-03-25 22:12:13,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:13,121 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] [2021-03-25 22:12:13,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-25 22:12:13,121 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:13,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:13,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1990288353, now seen corresponding path program 3 times [2021-03-25 22:12:13,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:13,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778983896] [2021-03-25 22:12:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:13,128 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:13,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:13,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:13,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:13,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:13,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:13,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:13,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:13,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:13,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:13,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:13,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:13,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:13,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778983896] [2021-03-25 22:12:13,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:13,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:12:13,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172722430] [2021-03-25 22:12:13,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:12:13,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:13,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:12:13,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:12:13,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-25 22:12:13,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 813 places, 1142 transitions, 32026 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) [2021-03-25 22:12:13,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:13,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-25 22:12:13,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:15,690 INFO L129 PetriNetUnfolder]: 1140/2327 cut-off events. [2021-03-25 22:12:15,691 INFO L130 PetriNetUnfolder]: For 290702/290723 co-relation queries the response was YES. [2021-03-25 22:12:15,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43704 conditions, 2327 events. 1140/2327 cut-off events. For 290702/290723 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 17280 event pairs, 140 based on Foata normal form. 18/2344 useless extension candidates. Maximal degree in co-relation 43353. Up to 1800 conditions per place. [2021-03-25 22:12:15,749 INFO L132 encePairwiseOnDemand]: 111/150 looper letters, 728 selfloop transitions, 413 changer transitions 7/1156 dead transitions. [2021-03-25 22:12:15,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 1156 transitions, 34837 flow [2021-03-25 22:12:15,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:12:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:12:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 547 transitions. [2021-03-25 22:12:15,751 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22791666666666666 [2021-03-25 22:12:15,751 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 547 transitions. [2021-03-25 22:12:15,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 547 transitions. [2021-03-25 22:12:15,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:15,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 547 transitions. [2021-03-25 22:12:15,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 34.1875) internal successors, (547), 16 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) [2021-03-25 22:12:15,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 150.0) internal successors, (2550), 17 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:15,752 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 150.0) internal successors, (2550), 17 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:15,752 INFO L185 Difference]: Start difference. First operand has 813 places, 1142 transitions, 32026 flow. Second operand 16 states and 547 transitions. [2021-03-25 22:12:15,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 1156 transitions, 34837 flow [2021-03-25 22:12:18,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 811 places, 1156 transitions, 33829 flow, removed 120 selfloop flow, removed 17 redundant places. [2021-03-25 22:12:18,252 INFO L241 Difference]: Finished difference. Result has 814 places, 1138 transitions, 31794 flow [2021-03-25 22:12:18,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=31032, PETRI_DIFFERENCE_MINUEND_PLACES=796, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=413, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31794, PETRI_PLACES=814, PETRI_TRANSITIONS=1138} [2021-03-25 22:12:18,253 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 775 predicate places. [2021-03-25 22:12:18,253 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:18,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 814 places, 1138 transitions, 31794 flow [2021-03-25 22:12:18,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 814 places, 1138 transitions, 31794 flow [2021-03-25 22:12:18,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 813 places, 1138 transitions, 31794 flow [2021-03-25 22:12:18,903 INFO L129 PetriNetUnfolder]: 906/1977 cut-off events. [2021-03-25 22:12:18,904 INFO L130 PetriNetUnfolder]: For 251633/251995 co-relation queries the response was YES. [2021-03-25 22:12:18,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35204 conditions, 1977 events. 906/1977 cut-off events. For 251633/251995 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 15437 event pairs, 41 based on Foata normal form. 55/2001 useless extension candidates. Maximal degree in co-relation 34885. Up to 566 conditions per place. [2021-03-25 22:12:18,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-25 22:12:19,122 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:19,122 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:12:19,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-25 22:12:19,122 INFO L480 AbstractCegarLoop]: Abstraction has has 813 places, 1138 transitions, 31794 flow [2021-03-25 22:12:19,122 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) [2021-03-25 22:12:19,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:19,123 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] [2021-03-25 22:12:19,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-25 22:12:19,123 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:19,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:19,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2066805562, now seen corresponding path program 5 times [2021-03-25 22:12:19,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:19,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950970076] [2021-03-25 22:12:19,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:19,129 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:19,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:19,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:19,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:19,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:19,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:19,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:19,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:19,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:19,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:19,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:19,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:19,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950970076] [2021-03-25 22:12:19,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:19,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:12:19,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912966139] [2021-03-25 22:12:19,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:12:19,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:19,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:12:19,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:12:19,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-25 22:12:19,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 813 places, 1138 transitions, 31794 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) [2021-03-25 22:12:19,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:19,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-25 22:12:19,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:21,436 INFO L129 PetriNetUnfolder]: 1137/2318 cut-off events. [2021-03-25 22:12:21,436 INFO L130 PetriNetUnfolder]: For 291329/291361 co-relation queries the response was YES. [2021-03-25 22:12:21,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43469 conditions, 2318 events. 1137/2318 cut-off events. For 291329/291361 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17105 event pairs, 167 based on Foata normal form. 19/2335 useless extension candidates. Maximal degree in co-relation 43147. Up to 2118 conditions per place. [2021-03-25 22:12:21,501 INFO L132 encePairwiseOnDemand]: 133/150 looper letters, 1081 selfloop transitions, 54 changer transitions 5/1148 dead transitions. [2021-03-25 22:12:21,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 1148 transitions, 34422 flow [2021-03-25 22:12:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:12:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:12:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 456 transitions. [2021-03-25 22:12:21,503 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21714285714285714 [2021-03-25 22:12:21,503 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 456 transitions. [2021-03-25 22:12:21,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 456 transitions. [2021-03-25 22:12:21,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:21,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 456 transitions. [2021-03-25 22:12:21,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.57142857142857) internal successors, (456), 14 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:21,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 150.0) internal successors, (2250), 15 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:21,504 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 150.0) internal successors, (2250), 15 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:21,504 INFO L185 Difference]: Start difference. First operand has 813 places, 1138 transitions, 31794 flow. Second operand 14 states and 456 transitions. [2021-03-25 22:12:21,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 1148 transitions, 34422 flow [2021-03-25 22:12:23,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 806 places, 1148 transitions, 33423 flow, removed 5 selfloop flow, removed 20 redundant places. [2021-03-25 22:12:23,832 INFO L241 Difference]: Finished difference. Result has 809 places, 1135 transitions, 30834 flow [2021-03-25 22:12:23,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=30797, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1084, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30834, PETRI_PLACES=809, PETRI_TRANSITIONS=1135} [2021-03-25 22:12:23,832 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 770 predicate places. [2021-03-25 22:12:23,832 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:23,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 809 places, 1135 transitions, 30834 flow [2021-03-25 22:12:23,833 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 809 places, 1135 transitions, 30834 flow [2021-03-25 22:12:23,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 1135 transitions, 30834 flow [2021-03-25 22:12:24,637 INFO L129 PetriNetUnfolder]: 903/1974 cut-off events. [2021-03-25 22:12:24,637 INFO L130 PetriNetUnfolder]: For 248519/248789 co-relation queries the response was YES. [2021-03-25 22:12:24,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34723 conditions, 1974 events. 903/1974 cut-off events. For 248519/248789 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 15435 event pairs, 40 based on Foata normal form. 43/1980 useless extension candidates. Maximal degree in co-relation 34405. Up to 562 conditions per place. [2021-03-25 22:12:24,722 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-25 22:12:24,872 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:24,872 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:12:24,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1040 [2021-03-25 22:12:24,873 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 1135 transitions, 30834 flow [2021-03-25 22:12:24,873 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) [2021-03-25 22:12:24,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:24,873 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] [2021-03-25 22:12:24,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-25 22:12:24,873 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:24,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:24,873 INFO L82 PathProgramCache]: Analyzing trace with hash 941551704, now seen corresponding path program 3 times [2021-03-25 22:12:24,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:24,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042624448] [2021-03-25 22:12:24,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:24,880 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:24,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:24,885 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:24,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:24,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:24,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:24,913 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:24,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:24,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:24,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:24,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:24,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:24,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:24,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:24,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:24,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042624448] [2021-03-25 22:12:24,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:24,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:12:24,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005802658] [2021-03-25 22:12:24,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:12:24,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:24,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:12:24,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:12:24,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-25 22:12:24,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 1135 transitions, 30834 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) [2021-03-25 22:12:24,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:24,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-25 22:12:24,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:27,281 INFO L129 PetriNetUnfolder]: 1141/2341 cut-off events. [2021-03-25 22:12:27,281 INFO L130 PetriNetUnfolder]: For 293144/293165 co-relation queries the response was YES. [2021-03-25 22:12:27,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43436 conditions, 2341 events. 1141/2341 cut-off events. For 293144/293165 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17419 event pairs, 133 based on Foata normal form. 19/2359 useless extension candidates. Maximal degree in co-relation 43111. Up to 1985 conditions per place. [2021-03-25 22:12:27,347 INFO L132 encePairwiseOnDemand]: 124/150 looper letters, 943 selfloop transitions, 214 changer transitions 7/1172 dead transitions. [2021-03-25 22:12:27,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 1172 transitions, 34298 flow [2021-03-25 22:12:27,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 22:12:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 22:12:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 656 transitions. [2021-03-25 22:12:27,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21866666666666668 [2021-03-25 22:12:27,348 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 656 transitions. [2021-03-25 22:12:27,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 656 transitions. [2021-03-25 22:12:27,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:27,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 656 transitions. [2021-03-25 22:12:27,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.8) internal successors, (656), 20 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:27,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 150.0) internal successors, (3150), 21 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) [2021-03-25 22:12:27,350 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 150.0) internal successors, (3150), 21 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) [2021-03-25 22:12:27,350 INFO L185 Difference]: Start difference. First operand has 807 places, 1135 transitions, 30834 flow. Second operand 20 states and 656 transitions. [2021-03-25 22:12:27,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 1172 transitions, 34298 flow [2021-03-25 22:12:29,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 811 places, 1172 transitions, 34144 flow, removed 12 selfloop flow, removed 15 redundant places. [2021-03-25 22:12:29,867 INFO L241 Difference]: Finished difference. Result has 818 places, 1150 transitions, 31738 flow [2021-03-25 22:12:29,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=30690, PETRI_DIFFERENCE_MINUEND_PLACES=792, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=31738, PETRI_PLACES=818, PETRI_TRANSITIONS=1150} [2021-03-25 22:12:29,868 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 779 predicate places. [2021-03-25 22:12:29,868 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:29,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 818 places, 1150 transitions, 31738 flow [2021-03-25 22:12:29,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 818 places, 1150 transitions, 31738 flow [2021-03-25 22:12:29,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 818 places, 1150 transitions, 31738 flow [2021-03-25 22:12:30,519 INFO L129 PetriNetUnfolder]: 904/1990 cut-off events. [2021-03-25 22:12:30,519 INFO L130 PetriNetUnfolder]: For 257297/257709 co-relation queries the response was YES. [2021-03-25 22:12:30,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35175 conditions, 1990 events. 904/1990 cut-off events. For 257297/257709 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 15594 event pairs, 50 based on Foata normal form. 55/2016 useless extension candidates. Maximal degree in co-relation 34834. Up to 560 conditions per place. [2021-03-25 22:12:30,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-25 22:12:30,977 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 22:12:30,977 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:12:30,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1109 [2021-03-25 22:12:30,977 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 1150 transitions, 31779 flow [2021-03-25 22:12:30,977 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) [2021-03-25 22:12:30,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:30,977 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] [2021-03-25 22:12:30,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-25 22:12:30,977 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash 792117409, now seen corresponding path program 1 times [2021-03-25 22:12:30,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:30,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860819050] [2021-03-25 22:12:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:31,000 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:31,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:31,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:31,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:31,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:31,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:31,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:31,043 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:31,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:31,071 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:31,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:31,075 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:12:31,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:12:31,104 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:31,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:31,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:31,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:31,143 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:12:31,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:31,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:31,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:31,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860819050] [2021-03-25 22:12:31,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:31,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:12:31,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956343111] [2021-03-25 22:12:31,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:12:31,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:31,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:12:31,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:12:31,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 151 [2021-03-25 22:12:31,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 1150 transitions, 31779 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) [2021-03-25 22:12:31,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:31,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 151 [2021-03-25 22:12:31,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:34,036 INFO L129 PetriNetUnfolder]: 1141/2342 cut-off events. [2021-03-25 22:12:34,036 INFO L130 PetriNetUnfolder]: For 304153/304164 co-relation queries the response was YES. [2021-03-25 22:12:34,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43992 conditions, 2342 events. 1141/2342 cut-off events. For 304153/304164 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17437 event pairs, 128 based on Foata normal form. 12/2353 useless extension candidates. Maximal degree in co-relation 43638. Up to 1989 conditions per place. [2021-03-25 22:12:34,107 INFO L132 encePairwiseOnDemand]: 126/151 looper letters, 949 selfloop transitions, 210 changer transitions 6/1173 dead transitions. [2021-03-25 22:12:34,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 833 places, 1173 transitions, 34994 flow [2021-03-25 22:12:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:12:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:12:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 539 transitions. [2021-03-25 22:12:34,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2230960264900662 [2021-03-25 22:12:34,108 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 539 transitions. [2021-03-25 22:12:34,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 539 transitions. [2021-03-25 22:12:34,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:34,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 539 transitions. [2021-03-25 22:12:34,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.6875) internal successors, (539), 16 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) [2021-03-25 22:12:34,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:34,110 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:34,110 INFO L185 Difference]: Start difference. First operand has 818 places, 1150 transitions, 31779 flow. Second operand 16 states and 539 transitions. [2021-03-25 22:12:34,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 833 places, 1173 transitions, 34994 flow [2021-03-25 22:12:36,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 1173 transitions, 34286 flow, removed 225 selfloop flow, removed 11 redundant places. [2021-03-25 22:12:36,824 INFO L241 Difference]: Finished difference. Result has 827 places, 1153 transitions, 31628 flow [2021-03-25 22:12:36,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=31075, PETRI_DIFFERENCE_MINUEND_PLACES=807, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31628, PETRI_PLACES=827, PETRI_TRANSITIONS=1153} [2021-03-25 22:12:36,825 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 788 predicate places. [2021-03-25 22:12:36,825 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:36,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 827 places, 1153 transitions, 31628 flow [2021-03-25 22:12:36,825 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 827 places, 1153 transitions, 31628 flow [2021-03-25 22:12:36,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1153 transitions, 31628 flow [2021-03-25 22:12:37,675 INFO L129 PetriNetUnfolder]: 904/1991 cut-off events. [2021-03-25 22:12:37,675 INFO L130 PetriNetUnfolder]: For 274854/275336 co-relation queries the response was YES. [2021-03-25 22:12:37,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35317 conditions, 1991 events. 904/1991 cut-off events. For 274854/275336 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 15582 event pairs, 53 based on Foata normal form. 59/2019 useless extension candidates. Maximal degree in co-relation 34971. Up to 561 conditions per place. [2021-03-25 22:12:37,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-25 22:12:38,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:38,172 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:12:38,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1347 [2021-03-25 22:12:38,172 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1153 transitions, 31685 flow [2021-03-25 22:12:38,172 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) [2021-03-25 22:12:38,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:38,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:12:38,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-25 22:12:38,173 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:38,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:38,173 INFO L82 PathProgramCache]: Analyzing trace with hash -335148240, now seen corresponding path program 1 times [2021-03-25 22:12:38,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:38,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766674795] [2021-03-25 22:12:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:38,187 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:38,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:38,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:38,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:38,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:38,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:38,220 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:38,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:38,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:38,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:38,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:38,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:38,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:38,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:38,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766674795] [2021-03-25 22:12:38,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:38,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:12:38,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447556982] [2021-03-25 22:12:38,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:12:38,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:38,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:12:38,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:12:38,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-25 22:12:38,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1153 transitions, 31685 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) [2021-03-25 22:12:38,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:38,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-25 22:12:38,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:41,057 INFO L129 PetriNetUnfolder]: 1138/2333 cut-off events. [2021-03-25 22:12:41,058 INFO L130 PetriNetUnfolder]: For 305665/305694 co-relation queries the response was YES. [2021-03-25 22:12:41,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43969 conditions, 2333 events. 1138/2333 cut-off events. For 305665/305694 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17395 event pairs, 131 based on Foata normal form. 23/2355 useless extension candidates. Maximal degree in co-relation 43610. Up to 1989 conditions per place. [2021-03-25 22:12:41,128 INFO L132 encePairwiseOnDemand]: 126/152 looper letters, 951 selfloop transitions, 209 changer transitions 1/1169 dead transitions. [2021-03-25 22:12:41,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 1169 transitions, 34368 flow [2021-03-25 22:12:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:12:41,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:12:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 518 transitions. [2021-03-25 22:12:41,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22719298245614036 [2021-03-25 22:12:41,130 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 518 transitions. [2021-03-25 22:12:41,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 518 transitions. [2021-03-25 22:12:41,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:41,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 518 transitions. [2021-03-25 22:12:41,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.53333333333333) internal successors, (518), 15 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:41,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:41,131 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:41,132 INFO L185 Difference]: Start difference. First operand has 824 places, 1153 transitions, 31685 flow. Second operand 15 states and 518 transitions. [2021-03-25 22:12:41,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 1169 transitions, 34368 flow [2021-03-25 22:12:43,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 1169 transitions, 33795 flow, removed 83 selfloop flow, removed 12 redundant places. [2021-03-25 22:12:43,742 INFO L241 Difference]: Finished difference. Result has 827 places, 1152 transitions, 31551 flow [2021-03-25 22:12:43,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31112, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31551, PETRI_PLACES=827, PETRI_TRANSITIONS=1152} [2021-03-25 22:12:43,742 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 788 predicate places. [2021-03-25 22:12:43,742 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:43,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 827 places, 1152 transitions, 31551 flow [2021-03-25 22:12:43,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 827 places, 1152 transitions, 31551 flow [2021-03-25 22:12:43,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 1152 transitions, 31551 flow [2021-03-25 22:12:44,582 INFO L129 PetriNetUnfolder]: 898/1990 cut-off events. [2021-03-25 22:12:44,582 INFO L130 PetriNetUnfolder]: For 258277/258763 co-relation queries the response was YES. [2021-03-25 22:12:44,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35180 conditions, 1990 events. 898/1990 cut-off events. For 258277/258763 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 15668 event pairs, 37 based on Foata normal form. 64/2029 useless extension candidates. Maximal degree in co-relation 34836. Up to 553 conditions per place. [2021-03-25 22:12:44,667 INFO L142 LiptonReduction]: Number of co-enabled transitions 890 [2021-03-25 22:12:44,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:44,830 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:12:44,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1088 [2021-03-25 22:12:44,830 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 1152 transitions, 31551 flow [2021-03-25 22:12:44,830 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) [2021-03-25 22:12:44,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:44,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:12:44,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-25 22:12:44,830 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:44,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:44,830 INFO L82 PathProgramCache]: Analyzing trace with hash 274627920, now seen corresponding path program 1 times [2021-03-25 22:12:44,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:44,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422624590] [2021-03-25 22:12:44,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:44,839 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:44,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:44,844 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:44,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:44,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:44,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:44,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:44,873 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:44,895 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:44,898 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:12:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:12:44,930 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-25 22:12:44,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:12:44,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:12:44,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:44,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:44,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:44,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422624590] [2021-03-25 22:12:44,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:44,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 22:12:44,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785445081] [2021-03-25 22:12:44,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 22:12:44,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:44,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 22:12:44,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-25 22:12:44,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-25 22:12:44,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 1152 transitions, 31551 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) [2021-03-25 22:12:44,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:44,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-25 22:12:44,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:47,427 INFO L129 PetriNetUnfolder]: 1137/2338 cut-off events. [2021-03-25 22:12:47,427 INFO L130 PetriNetUnfolder]: For 299299/299320 co-relation queries the response was YES. [2021-03-25 22:12:47,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43825 conditions, 2338 events. 1137/2338 cut-off events. For 299299/299320 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17418 event pairs, 148 based on Foata normal form. 18/2355 useless extension candidates. Maximal degree in co-relation 43468. Up to 1882 conditions per place. [2021-03-25 22:12:47,499 INFO L132 encePairwiseOnDemand]: 117/152 looper letters, 826 selfloop transitions, 335 changer transitions 4/1173 dead transitions. [2021-03-25 22:12:47,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 1173 transitions, 34570 flow [2021-03-25 22:12:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:12:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:12:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 458 transitions. [2021-03-25 22:12:47,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23178137651821862 [2021-03-25 22:12:47,501 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 458 transitions. [2021-03-25 22:12:47,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 458 transitions. [2021-03-25 22:12:47,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:47,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 458 transitions. [2021-03-25 22:12:47,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.23076923076923) internal successors, (458), 13 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) [2021-03-25 22:12:47,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 152.0) internal successors, (2128), 14 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) [2021-03-25 22:12:47,502 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 152.0) internal successors, (2128), 14 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) [2021-03-25 22:12:47,502 INFO L185 Difference]: Start difference. First operand has 827 places, 1152 transitions, 31551 flow. Second operand 13 states and 458 transitions. [2021-03-25 22:12:47,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 1173 transitions, 34570 flow [2021-03-25 22:12:50,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 823 places, 1173 transitions, 34077 flow, removed 1 selfloop flow, removed 16 redundant places. [2021-03-25 22:12:50,066 INFO L241 Difference]: Finished difference. Result has 825 places, 1150 transitions, 31778 flow [2021-03-25 22:12:50,067 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31058, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=335, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=31778, PETRI_PLACES=825, PETRI_TRANSITIONS=1150} [2021-03-25 22:12:50,067 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 786 predicate places. [2021-03-25 22:12:50,067 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:50,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 1150 transitions, 31778 flow [2021-03-25 22:12:50,067 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 1150 transitions, 31778 flow [2021-03-25 22:12:50,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1150 transitions, 31778 flow [2021-03-25 22:12:50,859 INFO L129 PetriNetUnfolder]: 903/1993 cut-off events. [2021-03-25 22:12:50,859 INFO L130 PetriNetUnfolder]: For 262991/263455 co-relation queries the response was YES. [2021-03-25 22:12:50,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35612 conditions, 1993 events. 903/1993 cut-off events. For 262991/263455 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 15616 event pairs, 43 based on Foata normal form. 60/2021 useless extension candidates. Maximal degree in co-relation 35267. Up to 562 conditions per place. [2021-03-25 22:12:50,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 888 [2021-03-25 22:12:51,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:51,102 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:12:51,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1035 [2021-03-25 22:12:51,103 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1150 transitions, 31778 flow [2021-03-25 22:12:51,103 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) [2021-03-25 22:12:51,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:51,103 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] [2021-03-25 22:12:51,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-25 22:12:51,103 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:51,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:51,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1582075852, now seen corresponding path program 6 times [2021-03-25 22:12:51,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:51,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987571885] [2021-03-25 22:12:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:51,112 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:51,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:51,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:51,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:51,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:51,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:51,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:12:51,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:51,220 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:51,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987571885] [2021-03-25 22:12:51,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:51,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:12:51,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085100979] [2021-03-25 22:12:51,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:12:51,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:12:51,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:12:51,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-25 22:12:51,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1150 transitions, 31778 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) [2021-03-25 22:12:51,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:51,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-25 22:12:51,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:53,479 INFO L129 PetriNetUnfolder]: 1136/2338 cut-off events. [2021-03-25 22:12:53,479 INFO L130 PetriNetUnfolder]: For 303679/303700 co-relation queries the response was YES. [2021-03-25 22:12:53,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44036 conditions, 2338 events. 1136/2338 cut-off events. For 303679/303700 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 17384 event pairs, 154 based on Foata normal form. 14/2351 useless extension candidates. Maximal degree in co-relation 43678. Up to 2123 conditions per place. [2021-03-25 22:12:53,541 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 1091 selfloop transitions, 56 changer transitions 5/1160 dead transitions. [2021-03-25 22:12:53,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 837 places, 1160 transitions, 34442 flow [2021-03-25 22:12:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:12:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:12:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-25 22:12:53,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21522556390977443 [2021-03-25 22:12:53,542 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-25 22:12:53,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-25 22:12:53,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:53,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-25 22:12:53,543 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) [2021-03-25 22:12:53,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:53,544 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:53,544 INFO L185 Difference]: Start difference. First operand has 824 places, 1150 transitions, 31778 flow. Second operand 14 states and 458 transitions. [2021-03-25 22:12:53,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 837 places, 1160 transitions, 34442 flow [2021-03-25 22:12:55,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 1160 transitions, 33695 flow, removed 4 selfloop flow, removed 15 redundant places. [2021-03-25 22:12:55,805 INFO L241 Difference]: Finished difference. Result has 825 places, 1147 transitions, 31086 flow [2021-03-25 22:12:55,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31031, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1094, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31086, PETRI_PLACES=825, PETRI_TRANSITIONS=1147} [2021-03-25 22:12:55,806 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 786 predicate places. [2021-03-25 22:12:55,806 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:12:55,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 1147 transitions, 31086 flow [2021-03-25 22:12:55,806 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 1147 transitions, 31086 flow [2021-03-25 22:12:55,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1147 transitions, 31086 flow [2021-03-25 22:12:56,380 INFO L129 PetriNetUnfolder]: 895/1986 cut-off events. [2021-03-25 22:12:56,380 INFO L130 PetriNetUnfolder]: For 259951/260377 co-relation queries the response was YES. [2021-03-25 22:12:56,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34999 conditions, 1986 events. 895/1986 cut-off events. For 259951/260377 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 15638 event pairs, 49 based on Foata normal form. 51/2014 useless extension candidates. Maximal degree in co-relation 34670. Up to 552 conditions per place. [2021-03-25 22:12:56,453 INFO L142 LiptonReduction]: Number of co-enabled transitions 888 [2021-03-25 22:12:56,601 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:12:56,601 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:12:56,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 795 [2021-03-25 22:12:56,601 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1147 transitions, 31086 flow [2021-03-25 22:12:56,601 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) [2021-03-25 22:12:56,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:12:56,601 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] [2021-03-25 22:12:56,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-25 22:12:56,602 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:12:56,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:12:56,602 INFO L82 PathProgramCache]: Analyzing trace with hash 357216108, now seen corresponding path program 4 times [2021-03-25 22:12:56,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:12:56,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910352374] [2021-03-25 22:12:56,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:12:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:12:56,607 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:12:56,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:12:56,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:12:56,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:12:56,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:12:56,636 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:12:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:12:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:56,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:56,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:56,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:12:56,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:12:56,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:12:56,702 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:12:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:12:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:12:56,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910352374] [2021-03-25 22:12:56,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:12:56,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:12:56,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919091813] [2021-03-25 22:12:56,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:12:56,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:12:56,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:12:56,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:12:56,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-25 22:12:56,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1147 transitions, 31086 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) [2021-03-25 22:12:56,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:12:56,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-25 22:12:56,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:12:58,457 INFO L129 PetriNetUnfolder]: 1139/2347 cut-off events. [2021-03-25 22:12:58,458 INFO L130 PetriNetUnfolder]: For 310291/310312 co-relation queries the response was YES. [2021-03-25 22:12:58,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44107 conditions, 2347 events. 1139/2347 cut-off events. For 310291/310312 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 17598 event pairs, 118 based on Foata normal form. 18/2364 useless extension candidates. Maximal degree in co-relation 43774. Up to 1988 conditions per place. [2021-03-25 22:12:58,518 INFO L132 encePairwiseOnDemand]: 126/152 looper letters, 943 selfloop transitions, 220 changer transitions 4/1175 dead transitions. [2021-03-25 22:12:58,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 1175 transitions, 34287 flow [2021-03-25 22:12:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:12:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:12:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 512 transitions. [2021-03-25 22:12:58,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22456140350877193 [2021-03-25 22:12:58,519 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 512 transitions. [2021-03-25 22:12:58,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 512 transitions. [2021-03-25 22:12:58,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:12:58,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 512 transitions. [2021-03-25 22:12:58,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.13333333333333) internal successors, (512), 15 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) [2021-03-25 22:12:58,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:58,520 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:12:58,521 INFO L185 Difference]: Start difference. First operand has 824 places, 1147 transitions, 31086 flow. Second operand 15 states and 512 transitions. [2021-03-25 22:12:58,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 1175 transitions, 34287 flow [2021-03-25 22:13:00,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 1175 transitions, 34149 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-25 22:13:00,760 INFO L241 Difference]: Finished difference. Result has 826 places, 1155 transitions, 31804 flow [2021-03-25 22:13:00,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=30958, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=932, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31804, PETRI_PLACES=826, PETRI_TRANSITIONS=1155} [2021-03-25 22:13:00,761 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 787 predicate places. [2021-03-25 22:13:00,761 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:00,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 1155 transitions, 31804 flow [2021-03-25 22:13:00,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 1155 transitions, 31804 flow [2021-03-25 22:13:00,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 825 places, 1155 transitions, 31804 flow [2021-03-25 22:13:01,324 INFO L129 PetriNetUnfolder]: 899/2000 cut-off events. [2021-03-25 22:13:01,324 INFO L130 PetriNetUnfolder]: For 263459/263758 co-relation queries the response was YES. [2021-03-25 22:13:01,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35553 conditions, 2000 events. 899/2000 cut-off events. For 263459/263758 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 15806 event pairs, 50 based on Foata normal form. 49/2025 useless extension candidates. Maximal degree in co-relation 35224. Up to 556 conditions per place. [2021-03-25 22:13:01,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 888 [2021-03-25 22:13:01,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:01,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:01,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 793 [2021-03-25 22:13:01,554 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 1155 transitions, 31804 flow [2021-03-25 22:13:01,554 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) [2021-03-25 22:13:01,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:01,554 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] [2021-03-25 22:13:01,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-25 22:13:01,555 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:01,555 INFO L82 PathProgramCache]: Analyzing trace with hash -139081297, now seen corresponding path program 6 times [2021-03-25 22:13:01,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:01,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207973570] [2021-03-25 22:13:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:01,577 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:01,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:01,582 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:01,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:01,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:01,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:01,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:01,609 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:01,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:01,633 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:01,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:01,660 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:01,688 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:01,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:01,717 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:01,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:01,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:01,763 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:01,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:01,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207973570] [2021-03-25 22:13:01,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:01,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:13:01,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128993120] [2021-03-25 22:13:01,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:13:01,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:01,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:13:01,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:13:01,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-25 22:13:01,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 825 places, 1155 transitions, 31804 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) [2021-03-25 22:13:01,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:01,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-25 22:13:01,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:03,859 INFO L129 PetriNetUnfolder]: 1138/2347 cut-off events. [2021-03-25 22:13:03,859 INFO L130 PetriNetUnfolder]: For 313389/313410 co-relation queries the response was YES. [2021-03-25 22:13:03,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44378 conditions, 2347 events. 1138/2347 cut-off events. For 313389/313410 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 17516 event pairs, 150 based on Foata normal form. 14/2360 useless extension candidates. Maximal degree in co-relation 44041. Up to 2086 conditions per place. [2021-03-25 22:13:03,924 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 1070 selfloop transitions, 99 changer transitions 2/1179 dead transitions. [2021-03-25 22:13:03,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 1179 transitions, 35135 flow [2021-03-25 22:13:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:13:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:13:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 495 transitions. [2021-03-25 22:13:03,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21710526315789475 [2021-03-25 22:13:03,926 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 495 transitions. [2021-03-25 22:13:03,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 495 transitions. [2021-03-25 22:13:03,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:03,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 495 transitions. [2021-03-25 22:13:03,926 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) [2021-03-25 22:13:03,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:03,927 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:03,927 INFO L185 Difference]: Start difference. First operand has 825 places, 1155 transitions, 31804 flow. Second operand 15 states and 495 transitions. [2021-03-25 22:13:03,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 1179 transitions, 35135 flow [2021-03-25 22:13:06,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 1179 transitions, 34459 flow, removed 139 selfloop flow, removed 13 redundant places. [2021-03-25 22:13:06,357 INFO L241 Difference]: Finished difference. Result has 830 places, 1159 transitions, 31501 flow [2021-03-25 22:13:06,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31146, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31501, PETRI_PLACES=830, PETRI_TRANSITIONS=1159} [2021-03-25 22:13:06,358 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 791 predicate places. [2021-03-25 22:13:06,358 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:06,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 830 places, 1159 transitions, 31501 flow [2021-03-25 22:13:06,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 830 places, 1159 transitions, 31501 flow [2021-03-25 22:13:06,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 829 places, 1159 transitions, 31501 flow [2021-03-25 22:13:07,016 INFO L129 PetriNetUnfolder]: 897/2007 cut-off events. [2021-03-25 22:13:07,017 INFO L130 PetriNetUnfolder]: For 260076/260522 co-relation queries the response was YES. [2021-03-25 22:13:07,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35349 conditions, 2007 events. 897/2007 cut-off events. For 260076/260522 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 15926 event pairs, 40 based on Foata normal form. 59/2041 useless extension candidates. Maximal degree in co-relation 35016. Up to 556 conditions per place. [2021-03-25 22:13:07,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 890 [2021-03-25 22:13:07,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:07,485 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:13:07,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1127 [2021-03-25 22:13:07,485 INFO L480 AbstractCegarLoop]: Abstraction has has 828 places, 1158 transitions, 31495 flow [2021-03-25 22:13:07,485 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) [2021-03-25 22:13:07,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:07,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:13:07,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-25 22:13:07,486 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:07,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:07,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1002265883, now seen corresponding path program 2 times [2021-03-25 22:13:07,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:07,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81138155] [2021-03-25 22:13:07,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:07,492 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:07,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:07,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:07,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:07,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:07,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:07,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:07,534 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:13:07,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:13:07,554 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:13:07,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:13:07,557 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:13:07,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:07,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:07,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:07,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:07,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:07,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:13:07,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:07,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:07,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:07,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81138155] [2021-03-25 22:13:07,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:07,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:13:07,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613383097] [2021-03-25 22:13:07,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:13:07,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:07,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:13:07,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:13:07,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:07,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 828 places, 1158 transitions, 31495 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) [2021-03-25 22:13:07,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:07,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:07,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:09,530 INFO L129 PetriNetUnfolder]: 1140/2354 cut-off events. [2021-03-25 22:13:09,530 INFO L130 PetriNetUnfolder]: For 316208/316238 co-relation queries the response was YES. [2021-03-25 22:13:09,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44484 conditions, 2354 events. 1140/2354 cut-off events. For 316208/316238 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 17663 event pairs, 125 based on Foata normal form. 23/2376 useless extension candidates. Maximal degree in co-relation 44146. Up to 1996 conditions per place. [2021-03-25 22:13:09,593 INFO L132 encePairwiseOnDemand]: 128/153 looper letters, 952 selfloop transitions, 217 changer transitions 2/1179 dead transitions. [2021-03-25 22:13:09,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 1179 transitions, 34870 flow [2021-03-25 22:13:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:13:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:13:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 484 transitions. [2021-03-25 22:13:09,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22595704948646125 [2021-03-25 22:13:09,595 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 484 transitions. [2021-03-25 22:13:09,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 484 transitions. [2021-03-25 22:13:09,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:09,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 484 transitions. [2021-03-25 22:13:09,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.57142857142857) internal successors, (484), 14 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) [2021-03-25 22:13:09,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:09,596 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:09,596 INFO L185 Difference]: Start difference. First operand has 828 places, 1158 transitions, 31495 flow. Second operand 14 states and 484 transitions. [2021-03-25 22:13:09,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 1179 transitions, 34870 flow [2021-03-25 22:13:12,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 1179 transitions, 34591 flow, removed 53 selfloop flow, removed 11 redundant places. [2021-03-25 22:13:12,122 INFO L241 Difference]: Finished difference. Result has 832 places, 1163 transitions, 32202 flow [2021-03-25 22:13:12,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=31216, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=32202, PETRI_PLACES=832, PETRI_TRANSITIONS=1163} [2021-03-25 22:13:12,123 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 793 predicate places. [2021-03-25 22:13:12,123 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:12,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 1163 transitions, 32202 flow [2021-03-25 22:13:12,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 1163 transitions, 32202 flow [2021-03-25 22:13:12,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 1163 transitions, 32202 flow [2021-03-25 22:13:12,721 INFO L129 PetriNetUnfolder]: 897/2011 cut-off events. [2021-03-25 22:13:12,721 INFO L130 PetriNetUnfolder]: For 274465/274854 co-relation queries the response was YES. [2021-03-25 22:13:12,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35988 conditions, 2011 events. 897/2011 cut-off events. For 274465/274854 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 15942 event pairs, 48 based on Foata normal form. 35/2018 useless extension candidates. Maximal degree in co-relation 35643. Up to 560 conditions per place. [2021-03-25 22:13:12,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 890 [2021-03-25 22:13:12,942 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:12,942 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:12,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 819 [2021-03-25 22:13:12,943 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 1163 transitions, 32202 flow [2021-03-25 22:13:12,943 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) [2021-03-25 22:13:12,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:12,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:13:12,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-25 22:13:12,943 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:12,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1874511239, now seen corresponding path program 1 times [2021-03-25 22:13:12,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:12,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476592574] [2021-03-25 22:13:12,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:12,964 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:12,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:12,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:12,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:12,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:12,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:12,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:12,995 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:12,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:13,032 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:13,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:13,057 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:13,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:13,082 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:13,109 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:13:13,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:13:13,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:13,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:13,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476592574] [2021-03-25 22:13:13,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:13,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:13:13,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105864600] [2021-03-25 22:13:13,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:13:13,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:13,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:13:13,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:13:13,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:13,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 1163 transitions, 32202 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) [2021-03-25 22:13:13,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:13,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:13,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:14,929 INFO L129 PetriNetUnfolder]: 1153/2372 cut-off events. [2021-03-25 22:13:14,929 INFO L130 PetriNetUnfolder]: For 339652/339673 co-relation queries the response was YES. [2021-03-25 22:13:14,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45430 conditions, 2372 events. 1153/2372 cut-off events. For 339652/339673 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 17782 event pairs, 134 based on Foata normal form. 18/2389 useless extension candidates. Maximal degree in co-relation 45072. Up to 1804 conditions per place. [2021-03-25 22:13:14,991 INFO L132 encePairwiseOnDemand]: 116/153 looper letters, 775 selfloop transitions, 411 changer transitions 2/1196 dead transitions. [2021-03-25 22:13:14,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 1196 transitions, 36328 flow [2021-03-25 22:13:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:13:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:13:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 637 transitions. [2021-03-25 22:13:14,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2191262469900241 [2021-03-25 22:13:14,992 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 637 transitions. [2021-03-25 22:13:14,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 637 transitions. [2021-03-25 22:13:14,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:14,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 637 transitions. [2021-03-25 22:13:14,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.526315789473685) internal successors, (637), 19 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:14,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 153.0) internal successors, (3060), 20 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:14,994 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 153.0) internal successors, (3060), 20 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:14,994 INFO L185 Difference]: Start difference. First operand has 831 places, 1163 transitions, 32202 flow. Second operand 19 states and 637 transitions. [2021-03-25 22:13:14,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 1196 transitions, 36328 flow [2021-03-25 22:13:17,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 1196 transitions, 35531 flow, removed 242 selfloop flow, removed 9 redundant places. [2021-03-25 22:13:17,370 INFO L241 Difference]: Finished difference. Result has 844 places, 1172 transitions, 33052 flow [2021-03-25 22:13:17,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=31405, PETRI_DIFFERENCE_MINUEND_PLACES=822, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=401, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=759, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=33052, PETRI_PLACES=844, PETRI_TRANSITIONS=1172} [2021-03-25 22:13:17,371 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 805 predicate places. [2021-03-25 22:13:17,371 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:17,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 844 places, 1172 transitions, 33052 flow [2021-03-25 22:13:17,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 844 places, 1172 transitions, 33052 flow [2021-03-25 22:13:17,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 841 places, 1172 transitions, 33052 flow [2021-03-25 22:13:18,080 INFO L129 PetriNetUnfolder]: 920/2031 cut-off events. [2021-03-25 22:13:18,080 INFO L130 PetriNetUnfolder]: For 290309/290720 co-relation queries the response was YES. [2021-03-25 22:13:18,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37324 conditions, 2031 events. 920/2031 cut-off events. For 290309/290720 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 16039 event pairs, 39 based on Foata normal form. 37/2029 useless extension candidates. Maximal degree in co-relation 36975. Up to 578 conditions per place. [2021-03-25 22:13:18,144 INFO L142 LiptonReduction]: Number of co-enabled transitions 900 [2021-03-25 22:13:18,282 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:18,283 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:18,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 912 [2021-03-25 22:13:18,283 INFO L480 AbstractCegarLoop]: Abstraction has has 841 places, 1172 transitions, 33052 flow [2021-03-25 22:13:18,283 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) [2021-03-25 22:13:18,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:18,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:13:18,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-25 22:13:18,283 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:18,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:18,283 INFO L82 PathProgramCache]: Analyzing trace with hash 716572442, now seen corresponding path program 5 times [2021-03-25 22:13:18,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:18,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380969798] [2021-03-25 22:13:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:18,292 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:18,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:18,296 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:18,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:18,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:18,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:18,324 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:13:18,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:13:18,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:18,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:18,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:18,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:18,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:18,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:18,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:18,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:18,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380969798] [2021-03-25 22:13:18,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:18,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:13:18,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718884036] [2021-03-25 22:13:18,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:13:18,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:18,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:13:18,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:13:18,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:18,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 841 places, 1172 transitions, 33052 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) [2021-03-25 22:13:18,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:18,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:18,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:20,325 INFO L129 PetriNetUnfolder]: 1152/2377 cut-off events. [2021-03-25 22:13:20,326 INFO L130 PetriNetUnfolder]: For 344570/344574 co-relation queries the response was YES. [2021-03-25 22:13:20,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46229 conditions, 2377 events. 1152/2377 cut-off events. For 344570/344574 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 17830 event pairs, 138 based on Foata normal form. 5/2381 useless extension candidates. Maximal degree in co-relation 45867. Up to 2010 conditions per place. [2021-03-25 22:13:20,387 INFO L132 encePairwiseOnDemand]: 127/153 looper letters, 956 selfloop transitions, 223 changer transitions 3/1190 dead transitions. [2021-03-25 22:13:20,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 856 places, 1190 transitions, 36043 flow [2021-03-25 22:13:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:13:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:13:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 541 transitions. [2021-03-25 22:13:20,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22099673202614378 [2021-03-25 22:13:20,389 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 541 transitions. [2021-03-25 22:13:20,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 541 transitions. [2021-03-25 22:13:20,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:20,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 541 transitions. [2021-03-25 22:13:20,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.8125) internal successors, (541), 16 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) [2021-03-25 22:13:20,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 153.0) internal successors, (2601), 17 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:20,390 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 153.0) internal successors, (2601), 17 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:20,390 INFO L185 Difference]: Start difference. First operand has 841 places, 1172 transitions, 33052 flow. Second operand 16 states and 541 transitions. [2021-03-25 22:13:20,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 856 places, 1190 transitions, 36043 flow [2021-03-25 22:13:22,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 846 places, 1190 transitions, 35151 flow, removed 160 selfloop flow, removed 10 redundant places. [2021-03-25 22:13:22,790 INFO L241 Difference]: Finished difference. Result has 849 places, 1173 transitions, 32774 flow [2021-03-25 22:13:22,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32160, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=949, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=32774, PETRI_PLACES=849, PETRI_TRANSITIONS=1173} [2021-03-25 22:13:22,790 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 810 predicate places. [2021-03-25 22:13:22,790 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:22,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 1173 transitions, 32774 flow [2021-03-25 22:13:22,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 1173 transitions, 32774 flow [2021-03-25 22:13:22,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 1173 transitions, 32774 flow [2021-03-25 22:13:23,407 INFO L129 PetriNetUnfolder]: 916/2030 cut-off events. [2021-03-25 22:13:23,407 INFO L130 PetriNetUnfolder]: For 292067/292596 co-relation queries the response was YES. [2021-03-25 22:13:23,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37228 conditions, 2030 events. 916/2030 cut-off events. For 292067/292596 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 16050 event pairs, 34 based on Foata normal form. 52/2050 useless extension candidates. Maximal degree in co-relation 36892. Up to 574 conditions per place. [2021-03-25 22:13:23,478 INFO L142 LiptonReduction]: Number of co-enabled transitions 900 [2021-03-25 22:13:23,613 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:23,613 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:23,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 823 [2021-03-25 22:13:23,613 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 1173 transitions, 32774 flow [2021-03-25 22:13:23,613 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) [2021-03-25 22:13:23,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:23,613 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] [2021-03-25 22:13:23,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-25 22:13:23,614 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:23,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:23,614 INFO L82 PathProgramCache]: Analyzing trace with hash 889820134, now seen corresponding path program 6 times [2021-03-25 22:13:23,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:23,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926438325] [2021-03-25 22:13:23,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:23,625 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:23,629 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:23,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:23,654 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:13:23,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:13:23,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:23,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:23,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:23,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:23,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:23,733 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:23,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:23,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926438325] [2021-03-25 22:13:23,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:23,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:13:23,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240599902] [2021-03-25 22:13:23,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:13:23,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:23,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:13:23,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:13:23,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:23,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 1173 transitions, 32774 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) [2021-03-25 22:13:23,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:23,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:23,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:25,702 INFO L129 PetriNetUnfolder]: 1161/2396 cut-off events. [2021-03-25 22:13:25,703 INFO L130 PetriNetUnfolder]: For 352705/352726 co-relation queries the response was YES. [2021-03-25 22:13:25,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46782 conditions, 2396 events. 1161/2396 cut-off events. For 352705/352726 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 17999 event pairs, 125 based on Foata normal form. 18/2413 useless extension candidates. Maximal degree in co-relation 46442. Up to 2013 conditions per place. [2021-03-25 22:13:25,768 INFO L132 encePairwiseOnDemand]: 127/153 looper letters, 954 selfloop transitions, 244 changer transitions 2/1208 dead transitions. [2021-03-25 22:13:25,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 1208 transitions, 36629 flow [2021-03-25 22:13:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:13:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:13:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 600 transitions. [2021-03-25 22:13:25,770 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2178649237472767 [2021-03-25 22:13:25,770 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 600 transitions. [2021-03-25 22:13:25,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 600 transitions. [2021-03-25 22:13:25,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:25,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 600 transitions. [2021-03-25 22:13:25,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.333333333333336) internal successors, (600), 18 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:25,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:25,772 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:25,772 INFO L185 Difference]: Start difference. First operand has 848 places, 1173 transitions, 32774 flow. Second operand 18 states and 600 transitions. [2021-03-25 22:13:25,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 1208 transitions, 36629 flow [2021-03-25 22:13:28,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 1208 transitions, 36025 flow, removed 75 selfloop flow, removed 15 redundant places. [2021-03-25 22:13:28,031 INFO L241 Difference]: Finished difference. Result has 853 places, 1187 transitions, 33499 flow [2021-03-25 22:13:28,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32198, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=33499, PETRI_PLACES=853, PETRI_TRANSITIONS=1187} [2021-03-25 22:13:28,031 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 814 predicate places. [2021-03-25 22:13:28,031 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:28,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 853 places, 1187 transitions, 33499 flow [2021-03-25 22:13:28,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 853 places, 1187 transitions, 33499 flow [2021-03-25 22:13:28,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 852 places, 1187 transitions, 33499 flow [2021-03-25 22:13:28,672 INFO L129 PetriNetUnfolder]: 924/2045 cut-off events. [2021-03-25 22:13:28,672 INFO L130 PetriNetUnfolder]: For 302772/303135 co-relation queries the response was YES. [2021-03-25 22:13:28,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37663 conditions, 2045 events. 924/2045 cut-off events. For 302772/303135 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 16135 event pairs, 53 based on Foata normal form. 42/2054 useless extension candidates. Maximal degree in co-relation 37326. Up to 576 conditions per place. [2021-03-25 22:13:28,749 INFO L142 LiptonReduction]: Number of co-enabled transitions 902 [2021-03-25 22:13:28,890 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:28,890 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:28,890 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 859 [2021-03-25 22:13:28,891 INFO L480 AbstractCegarLoop]: Abstraction has has 852 places, 1187 transitions, 33499 flow [2021-03-25 22:13:28,891 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) [2021-03-25 22:13:28,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:28,891 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] [2021-03-25 22:13:28,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-25 22:13:28,892 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:28,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:28,892 INFO L82 PathProgramCache]: Analyzing trace with hash -756547739, now seen corresponding path program 7 times [2021-03-25 22:13:28,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:28,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547832116] [2021-03-25 22:13:28,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:28,900 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:28,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:28,905 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:28,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:28,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:28,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:28,932 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:28,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:28,955 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:28,980 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:28,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:29,006 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:29,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:29,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:29,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:29,059 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:29,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:29,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547832116] [2021-03-25 22:13:29,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:29,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:13:29,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675640540] [2021-03-25 22:13:29,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:13:29,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:29,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:13:29,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:13:29,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:29,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 852 places, 1187 transitions, 33499 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) [2021-03-25 22:13:29,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:29,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:29,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:30,933 INFO L129 PetriNetUnfolder]: 1160/2394 cut-off events. [2021-03-25 22:13:30,933 INFO L130 PetriNetUnfolder]: For 354781/354809 co-relation queries the response was YES. [2021-03-25 22:13:30,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46925 conditions, 2394 events. 1160/2394 cut-off events. For 354781/354809 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17934 event pairs, 157 based on Foata normal form. 21/2414 useless extension candidates. Maximal degree in co-relation 46584. Up to 2129 conditions per place. [2021-03-25 22:13:30,997 INFO L132 encePairwiseOnDemand]: 135/153 looper letters, 1094 selfloop transitions, 100 changer transitions 5/1207 dead transitions. [2021-03-25 22:13:30,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 1207 transitions, 36905 flow [2021-03-25 22:13:30,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:13:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:13:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-25 22:13:30,999 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2169934640522876 [2021-03-25 22:13:30,999 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-25 22:13:30,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-25 22:13:30,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:30,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-25 22:13:31,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 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) [2021-03-25 22:13:31,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 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) [2021-03-25 22:13:31,005 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 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) [2021-03-25 22:13:31,005 INFO L185 Difference]: Start difference. First operand has 852 places, 1187 transitions, 33499 flow. Second operand 15 states and 498 transitions. [2021-03-25 22:13:31,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 1207 transitions, 36905 flow [2021-03-25 22:13:33,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 1207 transitions, 36065 flow, removed 307 selfloop flow, removed 9 redundant places. [2021-03-25 22:13:33,579 INFO L241 Difference]: Finished difference. Result has 860 places, 1184 transitions, 32774 flow [2021-03-25 22:13:33,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32665, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1087, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=32774, PETRI_PLACES=860, PETRI_TRANSITIONS=1184} [2021-03-25 22:13:33,580 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 821 predicate places. [2021-03-25 22:13:33,580 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:33,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 1184 transitions, 32774 flow [2021-03-25 22:13:33,580 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 1184 transitions, 32774 flow [2021-03-25 22:13:33,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 1184 transitions, 32774 flow [2021-03-25 22:13:34,183 INFO L129 PetriNetUnfolder]: 927/2048 cut-off events. [2021-03-25 22:13:34,183 INFO L130 PetriNetUnfolder]: For 294368/294744 co-relation queries the response was YES. [2021-03-25 22:13:34,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37621 conditions, 2048 events. 927/2048 cut-off events. For 294368/294744 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 16230 event pairs, 44 based on Foata normal form. 36/2044 useless extension candidates. Maximal degree in co-relation 37281. Up to 570 conditions per place. [2021-03-25 22:13:34,259 INFO L142 LiptonReduction]: Number of co-enabled transitions 902 [2021-03-25 22:13:34,419 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:34,419 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:34,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 839 [2021-03-25 22:13:34,420 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 1184 transitions, 32774 flow [2021-03-25 22:13:34,420 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) [2021-03-25 22:13:34,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:34,420 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] [2021-03-25 22:13:34,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-25 22:13:34,420 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:34,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:34,420 INFO L82 PathProgramCache]: Analyzing trace with hash -2079417867, now seen corresponding path program 3 times [2021-03-25 22:13:34,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:34,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240038219] [2021-03-25 22:13:34,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:34,428 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:34,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:34,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:34,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:34,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:34,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:34,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:34,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:34,460 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:13:34,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:13:34,480 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:13:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:13:34,483 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:13:34,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:34,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:34,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:34,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:34,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:13:34,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:34,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:34,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240038219] [2021-03-25 22:13:34,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:34,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:13:34,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859822534] [2021-03-25 22:13:34,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:13:34,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:34,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:13:34,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:13:34,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:34,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 1184 transitions, 32774 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) [2021-03-25 22:13:34,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:34,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:34,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:36,503 INFO L129 PetriNetUnfolder]: 1192/2447 cut-off events. [2021-03-25 22:13:36,503 INFO L130 PetriNetUnfolder]: For 391509/391530 co-relation queries the response was YES. [2021-03-25 22:13:36,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49155 conditions, 2447 events. 1192/2447 cut-off events. For 391509/391530 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 18377 event pairs, 136 based on Foata normal form. 18/2464 useless extension candidates. Maximal degree in co-relation 48811. Up to 1817 conditions per place. [2021-03-25 22:13:36,568 INFO L132 encePairwiseOnDemand]: 115/153 looper letters, 742 selfloop transitions, 483 changer transitions 7/1240 dead transitions. [2021-03-25 22:13:36,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 1240 transitions, 38474 flow [2021-03-25 22:13:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:13:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:13:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 601 transitions. [2021-03-25 22:13:36,570 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21822803195352214 [2021-03-25 22:13:36,570 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 601 transitions. [2021-03-25 22:13:36,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 601 transitions. [2021-03-25 22:13:36,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:36,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 601 transitions. [2021-03-25 22:13:36,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.388888888888886) internal successors, (601), 18 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:36,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:36,572 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:36,572 INFO L185 Difference]: Start difference. First operand has 859 places, 1184 transitions, 32774 flow. Second operand 18 states and 601 transitions. [2021-03-25 22:13:36,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 1240 transitions, 38474 flow [2021-03-25 22:13:38,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 1240 transitions, 38242 flow, removed 16 selfloop flow, removed 16 redundant places. [2021-03-25 22:13:38,991 INFO L241 Difference]: Finished difference. Result has 863 places, 1212 transitions, 35862 flow [2021-03-25 22:13:38,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32566, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=460, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=35862, PETRI_PLACES=863, PETRI_TRANSITIONS=1212} [2021-03-25 22:13:38,991 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 824 predicate places. [2021-03-25 22:13:38,991 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:38,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 863 places, 1212 transitions, 35862 flow [2021-03-25 22:13:38,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 863 places, 1212 transitions, 35862 flow [2021-03-25 22:13:39,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 1212 transitions, 35862 flow [2021-03-25 22:13:39,647 INFO L129 PetriNetUnfolder]: 942/2074 cut-off events. [2021-03-25 22:13:39,648 INFO L130 PetriNetUnfolder]: For 338415/338828 co-relation queries the response was YES. [2021-03-25 22:13:39,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39785 conditions, 2074 events. 942/2074 cut-off events. For 338415/338828 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 16447 event pairs, 36 based on Foata normal form. 16/2051 useless extension candidates. Maximal degree in co-relation 39432. Up to 595 conditions per place. [2021-03-25 22:13:39,727 INFO L142 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-25 22:13:39,893 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:39,893 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:39,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 902 [2021-03-25 22:13:39,894 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 1212 transitions, 35862 flow [2021-03-25 22:13:39,894 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) [2021-03-25 22:13:39,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:39,894 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] [2021-03-25 22:13:39,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-25 22:13:39,894 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:39,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:39,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1046846050, now seen corresponding path program 7 times [2021-03-25 22:13:39,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:39,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387828474] [2021-03-25 22:13:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:39,903 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:39,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:39,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:39,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:39,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:39,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:39,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:39,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:39,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:39,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:39,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:39,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:40,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:40,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:40,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:40,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:40,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387828474] [2021-03-25 22:13:40,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:40,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:13:40,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446569319] [2021-03-25 22:13:40,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:13:40,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:40,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:13:40,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:13:40,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:40,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 1212 transitions, 35862 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) [2021-03-25 22:13:40,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:40,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:40,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:42,063 INFO L129 PetriNetUnfolder]: 1191/2439 cut-off events. [2021-03-25 22:13:42,063 INFO L130 PetriNetUnfolder]: For 395974/395978 co-relation queries the response was YES. [2021-03-25 22:13:42,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49632 conditions, 2439 events. 1191/2439 cut-off events. For 395974/395978 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 18361 event pairs, 181 based on Foata normal form. 5/2443 useless extension candidates. Maximal degree in co-relation 49278. Up to 2231 conditions per place. [2021-03-25 22:13:42,125 INFO L132 encePairwiseOnDemand]: 136/153 looper letters, 1155 selfloop transitions, 53 changer transitions 6/1222 dead transitions. [2021-03-25 22:13:42,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 1222 transitions, 38684 flow [2021-03-25 22:13:42,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:13:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:13:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 483 transitions. [2021-03-25 22:13:42,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21045751633986928 [2021-03-25 22:13:42,127 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 483 transitions. [2021-03-25 22:13:42,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 483 transitions. [2021-03-25 22:13:42,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:42,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 483 transitions. [2021-03-25 22:13:42,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.2) internal successors, (483), 15 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:42,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 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) [2021-03-25 22:13:42,128 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 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) [2021-03-25 22:13:42,128 INFO L185 Difference]: Start difference. First operand has 862 places, 1212 transitions, 35862 flow. Second operand 15 states and 483 transitions. [2021-03-25 22:13:42,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 1222 transitions, 38684 flow [2021-03-25 22:13:44,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 1222 transitions, 37108 flow, removed 709 selfloop flow, removed 7 redundant places. [2021-03-25 22:13:44,936 INFO L241 Difference]: Finished difference. Result has 872 places, 1208 transitions, 34281 flow [2021-03-25 22:13:44,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=34288, PETRI_DIFFERENCE_MINUEND_PLACES=855, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=34281, PETRI_PLACES=872, PETRI_TRANSITIONS=1208} [2021-03-25 22:13:44,937 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 833 predicate places. [2021-03-25 22:13:44,937 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:44,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 872 places, 1208 transitions, 34281 flow [2021-03-25 22:13:44,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 872 places, 1208 transitions, 34281 flow [2021-03-25 22:13:44,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 867 places, 1208 transitions, 34281 flow [2021-03-25 22:13:45,582 INFO L129 PetriNetUnfolder]: 939/2068 cut-off events. [2021-03-25 22:13:45,582 INFO L130 PetriNetUnfolder]: For 313755/314156 co-relation queries the response was YES. [2021-03-25 22:13:45,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38506 conditions, 2068 events. 939/2068 cut-off events. For 313755/314156 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 16405 event pairs, 49 based on Foata normal form. 53/2095 useless extension candidates. Maximal degree in co-relation 38167. Up to 566 conditions per place. [2021-03-25 22:13:45,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-25 22:13:45,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:45,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:13:45,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 879 [2021-03-25 22:13:45,816 INFO L480 AbstractCegarLoop]: Abstraction has has 867 places, 1208 transitions, 34281 flow [2021-03-25 22:13:45,816 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) [2021-03-25 22:13:45,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:45,816 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] [2021-03-25 22:13:45,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-25 22:13:45,816 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1127531497, now seen corresponding path program 8 times [2021-03-25 22:13:45,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:45,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626784989] [2021-03-25 22:13:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:45,822 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:45,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:45,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:45,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:45,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:45,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:45,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:45,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:45,876 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:45,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:45,901 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:45,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:45,927 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:45,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:45,956 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:45,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:45,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:45,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:45,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:46,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626784989] [2021-03-25 22:13:46,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:46,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:13:46,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892073775] [2021-03-25 22:13:46,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:13:46,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:46,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:13:46,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:13:46,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-25 22:13:46,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 867 places, 1208 transitions, 34281 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) [2021-03-25 22:13:46,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:46,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-25 22:13:46,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:48,008 INFO L129 PetriNetUnfolder]: 1190/2441 cut-off events. [2021-03-25 22:13:48,008 INFO L130 PetriNetUnfolder]: For 366112/366133 co-relation queries the response was YES. [2021-03-25 22:13:48,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48424 conditions, 2441 events. 1190/2441 cut-off events. For 366112/366133 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 18339 event pairs, 175 based on Foata normal form. 14/2454 useless extension candidates. Maximal degree in co-relation 48078. Up to 2177 conditions per place. [2021-03-25 22:13:48,074 INFO L132 encePairwiseOnDemand]: 134/153 looper letters, 1116 selfloop transitions, 107 changer transitions 2/1233 dead transitions. [2021-03-25 22:13:48,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 883 places, 1233 transitions, 37784 flow [2021-03-25 22:13:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:13:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:13:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 559 transitions. [2021-03-25 22:13:48,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21491733948481354 [2021-03-25 22:13:48,075 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 559 transitions. [2021-03-25 22:13:48,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 559 transitions. [2021-03-25 22:13:48,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:48,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 559 transitions. [2021-03-25 22:13:48,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.88235294117647) internal successors, (559), 17 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:48,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 153.0) internal successors, (2754), 18 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:48,077 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 153.0) internal successors, (2754), 18 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:48,077 INFO L185 Difference]: Start difference. First operand has 867 places, 1208 transitions, 34281 flow. Second operand 17 states and 559 transitions. [2021-03-25 22:13:48,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 883 places, 1233 transitions, 37784 flow [2021-03-25 22:13:50,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 1233 transitions, 37527 flow, removed 53 selfloop flow, removed 19 redundant places. [2021-03-25 22:13:50,504 INFO L241 Difference]: Finished difference. Result has 867 places, 1211 transitions, 34414 flow [2021-03-25 22:13:50,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=34056, PETRI_DIFFERENCE_MINUEND_PLACES=848, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=34414, PETRI_PLACES=867, PETRI_TRANSITIONS=1211} [2021-03-25 22:13:50,505 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 828 predicate places. [2021-03-25 22:13:50,505 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:50,505 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 867 places, 1211 transitions, 34414 flow [2021-03-25 22:13:50,505 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 867 places, 1211 transitions, 34414 flow [2021-03-25 22:13:50,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 1211 transitions, 34414 flow [2021-03-25 22:13:51,137 INFO L129 PetriNetUnfolder]: 942/2078 cut-off events. [2021-03-25 22:13:51,137 INFO L130 PetriNetUnfolder]: For 306448/306860 co-relation queries the response was YES. [2021-03-25 22:13:51,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38512 conditions, 2078 events. 942/2078 cut-off events. For 306448/306860 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 16523 event pairs, 44 based on Foata normal form. 29/2070 useless extension candidates. Maximal degree in co-relation 38174. Up to 569 conditions per place. [2021-03-25 22:13:51,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 920 [2021-03-25 22:13:51,635 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:51,635 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:13:51,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1131 [2021-03-25 22:13:51,636 INFO L480 AbstractCegarLoop]: Abstraction has has 865 places, 1210 transitions, 34408 flow [2021-03-25 22:13:51,636 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) [2021-03-25 22:13:51,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:51,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:13:51,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-25 22:13:51,636 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:51,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:51,636 INFO L82 PathProgramCache]: Analyzing trace with hash 385756416, now seen corresponding path program 8 times [2021-03-25 22:13:51,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:51,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583593262] [2021-03-25 22:13:51,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:51,642 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:51,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:51,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:51,680 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:13:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:51,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:13:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:51,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:51,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:13:51,744 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:51,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:51,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583593262] [2021-03-25 22:13:51,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:51,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:13:51,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409314105] [2021-03-25 22:13:51,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:13:51,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:51,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:13:51,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:13:51,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-25 22:13:51,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 865 places, 1210 transitions, 34408 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) [2021-03-25 22:13:51,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:51,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-25 22:13:51,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:53,572 INFO L129 PetriNetUnfolder]: 1190/2450 cut-off events. [2021-03-25 22:13:53,572 INFO L130 PetriNetUnfolder]: For 357043/357064 co-relation queries the response was YES. [2021-03-25 22:13:53,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48282 conditions, 2450 events. 1190/2450 cut-off events. For 357043/357064 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 18513 event pairs, 168 based on Foata normal form. 14/2463 useless extension candidates. Maximal degree in co-relation 47936. Up to 2219 conditions per place. [2021-03-25 22:13:53,640 INFO L132 encePairwiseOnDemand]: 137/154 looper letters, 1153 selfloop transitions, 67 changer transitions 3/1231 dead transitions. [2021-03-25 22:13:53,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 1231 transitions, 37561 flow [2021-03-25 22:13:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:13:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:13:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 460 transitions. [2021-03-25 22:13:53,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21335807050092764 [2021-03-25 22:13:53,641 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 460 transitions. [2021-03-25 22:13:53,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 460 transitions. [2021-03-25 22:13:53,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:53,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 460 transitions. [2021-03-25 22:13:53,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.857142857142854) internal successors, (460), 14 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) [2021-03-25 22:13:53,643 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) [2021-03-25 22:13:53,643 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) [2021-03-25 22:13:53,643 INFO L185 Difference]: Start difference. First operand has 865 places, 1210 transitions, 34408 flow. Second operand 14 states and 460 transitions. [2021-03-25 22:13:53,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 1231 transitions, 37561 flow [2021-03-25 22:13:55,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 1231 transitions, 37194 flow, removed 61 selfloop flow, removed 17 redundant places. [2021-03-25 22:13:55,916 INFO L241 Difference]: Finished difference. Result has 866 places, 1215 transitions, 34423 flow [2021-03-25 22:13:55,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=34044, PETRI_DIFFERENCE_MINUEND_PLACES=848, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=34423, PETRI_PLACES=866, PETRI_TRANSITIONS=1215} [2021-03-25 22:13:55,916 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 827 predicate places. [2021-03-25 22:13:55,917 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:13:55,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 1215 transitions, 34423 flow [2021-03-25 22:13:55,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 1215 transitions, 34423 flow [2021-03-25 22:13:55,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 865 places, 1215 transitions, 34423 flow [2021-03-25 22:13:56,536 INFO L129 PetriNetUnfolder]: 949/2092 cut-off events. [2021-03-25 22:13:56,536 INFO L130 PetriNetUnfolder]: For 322183/322587 co-relation queries the response was YES. [2021-03-25 22:13:56,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38975 conditions, 2092 events. 949/2092 cut-off events. For 322183/322587 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 16632 event pairs, 49 based on Foata normal form. 31/2081 useless extension candidates. Maximal degree in co-relation 38633. Up to 576 conditions per place. [2021-03-25 22:13:56,612 INFO L142 LiptonReduction]: Number of co-enabled transitions 922 [2021-03-25 22:13:57,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:13:57,080 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:13:57,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1163 [2021-03-25 22:13:57,080 INFO L480 AbstractCegarLoop]: Abstraction has has 864 places, 1214 transitions, 34415 flow [2021-03-25 22:13:57,080 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) [2021-03-25 22:13:57,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:13:57,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:13:57,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-25 22:13:57,081 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:13:57,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:13:57,081 INFO L82 PathProgramCache]: Analyzing trace with hash 920846330, now seen corresponding path program 1 times [2021-03-25 22:13:57,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:13:57,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552962143] [2021-03-25 22:13:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:13:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:13:57,087 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:13:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:13:57,091 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:13:57,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:13:57,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:57,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:13:57,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:13:57,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:13:57,116 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:13:57,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:13:57,139 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:57,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:57,164 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:57,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:57,190 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:13:57,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:13:57,218 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:13:57,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:13:57,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:13:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:13:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:13:57,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552962143] [2021-03-25 22:13:57,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:13:57,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:13:57,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238687548] [2021-03-25 22:13:57,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:13:57,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:13:57,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:13:57,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:13:57,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-25 22:13:57,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 864 places, 1214 transitions, 34415 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) [2021-03-25 22:13:57,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:13:57,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-25 22:13:57,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:13:59,417 INFO L129 PetriNetUnfolder]: 1194/2450 cut-off events. [2021-03-25 22:13:59,417 INFO L130 PetriNetUnfolder]: For 365717/365738 co-relation queries the response was YES. [2021-03-25 22:13:59,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48478 conditions, 2450 events. 1194/2450 cut-off events. For 365717/365738 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 18466 event pairs, 137 based on Foata normal form. 18/2467 useless extension candidates. Maximal degree in co-relation 48133. Up to 1878 conditions per place. [2021-03-25 22:13:59,484 INFO L132 encePairwiseOnDemand]: 118/155 looper letters, 817 selfloop transitions, 416 changer transitions 2/1243 dead transitions. [2021-03-25 22:13:59,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 885 places, 1243 transitions, 38446 flow [2021-03-25 22:13:59,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 22:13:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 22:13:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 723 transitions. [2021-03-25 22:13:59,485 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2120234604105572 [2021-03-25 22:13:59,485 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 723 transitions. [2021-03-25 22:13:59,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 723 transitions. [2021-03-25 22:13:59,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:13:59,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 723 transitions. [2021-03-25 22:13:59,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.86363636363637) internal successors, (723), 22 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:59,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 155.0) internal successors, (3565), 23 states have internal predecessors, (3565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:59,487 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 155.0) internal successors, (3565), 23 states have internal predecessors, (3565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:13:59,487 INFO L185 Difference]: Start difference. First operand has 864 places, 1214 transitions, 34415 flow. Second operand 22 states and 723 transitions. [2021-03-25 22:13:59,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 885 places, 1243 transitions, 38446 flow [2021-03-25 22:14:01,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 875 places, 1243 transitions, 38176 flow, removed 81 selfloop flow, removed 10 redundant places. [2021-03-25 22:14:01,830 INFO L241 Difference]: Finished difference. Result has 876 places, 1216 transitions, 35236 flow [2021-03-25 22:14:01,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=34151, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=412, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=802, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=35236, PETRI_PLACES=876, PETRI_TRANSITIONS=1216} [2021-03-25 22:14:01,830 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 837 predicate places. [2021-03-25 22:14:01,830 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:01,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 1216 transitions, 35236 flow [2021-03-25 22:14:01,831 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 1216 transitions, 35236 flow [2021-03-25 22:14:01,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 873 places, 1216 transitions, 35236 flow [2021-03-25 22:14:02,480 INFO L129 PetriNetUnfolder]: 947/2088 cut-off events. [2021-03-25 22:14:02,480 INFO L130 PetriNetUnfolder]: For 314641/315006 co-relation queries the response was YES. [2021-03-25 22:14:02,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39405 conditions, 2088 events. 947/2088 cut-off events. For 314641/315006 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 16535 event pairs, 44 based on Foata normal form. 36/2089 useless extension candidates. Maximal degree in co-relation 39053. Up to 570 conditions per place. [2021-03-25 22:14:02,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 920 [2021-03-25 22:14:02,707 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:02,707 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:02,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 877 [2021-03-25 22:14:02,707 INFO L480 AbstractCegarLoop]: Abstraction has has 873 places, 1216 transitions, 35236 flow [2021-03-25 22:14:02,708 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) [2021-03-25 22:14:02,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:02,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:14:02,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-25 22:14:02,708 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:02,708 INFO L82 PathProgramCache]: Analyzing trace with hash -2022236278, now seen corresponding path program 1 times [2021-03-25 22:14:02,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:02,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656314953] [2021-03-25 22:14:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:02,713 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:02,718 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:02,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:02,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:02,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:02,752 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:02,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:02,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:02,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:02,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:14:02,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:02,803 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:02,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:02,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656314953] [2021-03-25 22:14:02,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:02,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:14:02,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786216738] [2021-03-25 22:14:02,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:14:02,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:02,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:14:02,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:14:02,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-25 22:14:02,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 1216 transitions, 35236 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) [2021-03-25 22:14:02,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:02,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-25 22:14:02,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:04,759 INFO L129 PetriNetUnfolder]: 1204/2466 cut-off events. [2021-03-25 22:14:04,759 INFO L130 PetriNetUnfolder]: For 385847/385868 co-relation queries the response was YES. [2021-03-25 22:14:04,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49875 conditions, 2466 events. 1204/2466 cut-off events. For 385847/385868 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 18648 event pairs, 140 based on Foata normal form. 18/2483 useless extension candidates. Maximal degree in co-relation 49522. Up to 2039 conditions per place. [2021-03-25 22:14:04,828 INFO L132 encePairwiseOnDemand]: 122/155 looper letters, 935 selfloop transitions, 295 changer transitions 5/1243 dead transitions. [2021-03-25 22:14:04,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 887 places, 1243 transitions, 39109 flow [2021-03-25 22:14:04,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:14:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:14:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 513 transitions. [2021-03-25 22:14:04,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22064516129032258 [2021-03-25 22:14:04,830 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 513 transitions. [2021-03-25 22:14:04,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 513 transitions. [2021-03-25 22:14:04,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:04,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 513 transitions. [2021-03-25 22:14:04,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.2) internal successors, (513), 15 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) [2021-03-25 22:14:04,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 155.0) internal successors, (2480), 16 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:04,831 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 155.0) internal successors, (2480), 16 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:04,831 INFO L185 Difference]: Start difference. First operand has 873 places, 1216 transitions, 35236 flow. Second operand 15 states and 513 transitions. [2021-03-25 22:14:04,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 887 places, 1243 transitions, 39109 flow [2021-03-25 22:14:07,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 868 places, 1243 transitions, 38101 flow, removed 19 selfloop flow, removed 19 redundant places. [2021-03-25 22:14:07,701 INFO L241 Difference]: Finished difference. Result has 872 places, 1221 transitions, 35575 flow [2021-03-25 22:14:07,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=34228, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35575, PETRI_PLACES=872, PETRI_TRANSITIONS=1221} [2021-03-25 22:14:07,701 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 833 predicate places. [2021-03-25 22:14:07,701 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:07,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 872 places, 1221 transitions, 35575 flow [2021-03-25 22:14:07,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 872 places, 1221 transitions, 35575 flow [2021-03-25 22:14:07,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 869 places, 1221 transitions, 35575 flow [2021-03-25 22:14:08,320 INFO L129 PetriNetUnfolder]: 949/2092 cut-off events. [2021-03-25 22:14:08,320 INFO L130 PetriNetUnfolder]: For 335073/335513 co-relation queries the response was YES. [2021-03-25 22:14:08,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39813 conditions, 2092 events. 949/2092 cut-off events. For 335073/335513 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16704 event pairs, 56 based on Foata normal form. 34/2084 useless extension candidates. Maximal degree in co-relation 39458. Up to 582 conditions per place. [2021-03-25 22:14:08,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 926 [2021-03-25 22:14:08,562 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:08,563 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:08,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 862 [2021-03-25 22:14:08,563 INFO L480 AbstractCegarLoop]: Abstraction has has 869 places, 1221 transitions, 35575 flow [2021-03-25 22:14:08,563 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) [2021-03-25 22:14:08,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:08,563 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] [2021-03-25 22:14:08,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-25 22:14:08,563 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash -487984264, now seen corresponding path program 9 times [2021-03-25 22:14:08,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:08,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229314816] [2021-03-25 22:14:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:08,569 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:08,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:08,573 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:08,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:08,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:08,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:08,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:08,608 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:08,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:08,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:08,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:08,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:08,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:08,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:08,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:08,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229314816] [2021-03-25 22:14:08,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:08,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:14:08,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761413030] [2021-03-25 22:14:08,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:14:08,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:08,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:14:08,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:14:08,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-25 22:14:08,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 869 places, 1221 transitions, 35575 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) [2021-03-25 22:14:08,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:08,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-25 22:14:08,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:10,587 INFO L129 PetriNetUnfolder]: 1203/2466 cut-off events. [2021-03-25 22:14:10,587 INFO L130 PetriNetUnfolder]: For 393345/393366 co-relation queries the response was YES. [2021-03-25 22:14:10,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49991 conditions, 2466 events. 1203/2466 cut-off events. For 393345/393366 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18580 event pairs, 165 based on Foata normal form. 14/2479 useless extension candidates. Maximal degree in co-relation 49635. Up to 2239 conditions per place. [2021-03-25 22:14:10,778 INFO L132 encePairwiseOnDemand]: 138/155 looper letters, 1154 selfloop transitions, 72 changer transitions 6/1240 dead transitions. [2021-03-25 22:14:10,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 1240 transitions, 38803 flow [2021-03-25 22:14:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:14:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:14:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 517 transitions. [2021-03-25 22:14:10,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20846774193548387 [2021-03-25 22:14:10,779 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 517 transitions. [2021-03-25 22:14:10,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 517 transitions. [2021-03-25 22:14:10,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:10,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 517 transitions. [2021-03-25 22:14:10,781 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) [2021-03-25 22:14:10,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 155.0) internal successors, (2635), 17 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:10,782 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 155.0) internal successors, (2635), 17 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:10,782 INFO L185 Difference]: Start difference. First operand has 869 places, 1221 transitions, 35575 flow. Second operand 16 states and 517 transitions. [2021-03-25 22:14:10,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 884 places, 1240 transitions, 38803 flow [2021-03-25 22:14:13,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 1240 transitions, 38077 flow, removed 135 selfloop flow, removed 10 redundant places. [2021-03-25 22:14:13,113 INFO L241 Difference]: Finished difference. Result has 878 places, 1223 transitions, 35240 flow [2021-03-25 22:14:13,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=34849, PETRI_DIFFERENCE_MINUEND_PLACES=859, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35240, PETRI_PLACES=878, PETRI_TRANSITIONS=1223} [2021-03-25 22:14:13,113 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 839 predicate places. [2021-03-25 22:14:13,113 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:13,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 1223 transitions, 35240 flow [2021-03-25 22:14:13,114 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 1223 transitions, 35240 flow [2021-03-25 22:14:13,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 1223 transitions, 35240 flow [2021-03-25 22:14:13,739 INFO L129 PetriNetUnfolder]: 952/2095 cut-off events. [2021-03-25 22:14:13,739 INFO L130 PetriNetUnfolder]: For 345957/346351 co-relation queries the response was YES. [2021-03-25 22:14:13,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40201 conditions, 2095 events. 952/2095 cut-off events. For 345957/346351 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 16668 event pairs, 48 based on Foata normal form. 14/2071 useless extension candidates. Maximal degree in co-relation 39858. Up to 583 conditions per place. [2021-03-25 22:14:13,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-25 22:14:14,244 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:14,244 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:14:14,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1131 [2021-03-25 22:14:14,244 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 1223 transitions, 35256 flow [2021-03-25 22:14:14,244 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) [2021-03-25 22:14:14,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:14,244 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] [2021-03-25 22:14:14,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-25 22:14:14,244 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:14,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash 620522330, now seen corresponding path program 10 times [2021-03-25 22:14:14,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:14,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782990162] [2021-03-25 22:14:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:14,251 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:14,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:14,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:14,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:14,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:14,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:14,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:14,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:14,304 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:14,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:14,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:14,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:14,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:14,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:14,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:14,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:14,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782990162] [2021-03-25 22:14:14,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:14,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:14:14,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048626266] [2021-03-25 22:14:14,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:14:14,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:14,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:14:14,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:14:14,356 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-25 22:14:14,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 1223 transitions, 35256 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) [2021-03-25 22:14:14,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:14,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-25 22:14:14,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:16,361 INFO L129 PetriNetUnfolder]: 1201/2461 cut-off events. [2021-03-25 22:14:16,361 INFO L130 PetriNetUnfolder]: For 404030/404051 co-relation queries the response was YES. [2021-03-25 22:14:16,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49976 conditions, 2461 events. 1201/2461 cut-off events. For 404030/404051 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18594 event pairs, 168 based on Foata normal form. 14/2474 useless extension candidates. Maximal degree in co-relation 49629. Up to 2252 conditions per place. [2021-03-25 22:14:16,426 INFO L132 encePairwiseOnDemand]: 139/156 looper letters, 1167 selfloop transitions, 55 changer transitions 3/1233 dead transitions. [2021-03-25 22:14:16,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 1233 transitions, 37991 flow [2021-03-25 22:14:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:14:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:14:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 456 transitions. [2021-03-25 22:14:16,427 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2087912087912088 [2021-03-25 22:14:16,427 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 456 transitions. [2021-03-25 22:14:16,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 456 transitions. [2021-03-25 22:14:16,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:16,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 456 transitions. [2021-03-25 22:14:16,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.57142857142857) internal successors, (456), 14 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:16,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:16,428 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:16,428 INFO L185 Difference]: Start difference. First operand has 876 places, 1223 transitions, 35256 flow. Second operand 14 states and 456 transitions. [2021-03-25 22:14:16,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 1233 transitions, 37991 flow [2021-03-25 22:14:19,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 1233 transitions, 37577 flow, removed 150 selfloop flow, removed 11 redundant places. [2021-03-25 22:14:19,174 INFO L241 Difference]: Finished difference. Result has 880 places, 1222 transitions, 34964 flow [2021-03-25 22:14:19,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=34848, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=34964, PETRI_PLACES=880, PETRI_TRANSITIONS=1222} [2021-03-25 22:14:19,175 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 841 predicate places. [2021-03-25 22:14:19,175 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:19,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 880 places, 1222 transitions, 34964 flow [2021-03-25 22:14:19,175 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 880 places, 1222 transitions, 34964 flow [2021-03-25 22:14:19,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 879 places, 1222 transitions, 34964 flow [2021-03-25 22:14:19,828 INFO L129 PetriNetUnfolder]: 958/2101 cut-off events. [2021-03-25 22:14:19,828 INFO L130 PetriNetUnfolder]: For 348844/349394 co-relation queries the response was YES. [2021-03-25 22:14:19,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40092 conditions, 2101 events. 958/2101 cut-off events. For 348844/349394 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16618 event pairs, 46 based on Foata normal form. 21/2076 useless extension candidates. Maximal degree in co-relation 39750. Up to 587 conditions per place. [2021-03-25 22:14:19,909 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-25 22:14:20,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:20,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:20,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 904 [2021-03-25 22:14:20,079 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 1222 transitions, 34964 flow [2021-03-25 22:14:20,079 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) [2021-03-25 22:14:20,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:20,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:14:20,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-25 22:14:20,079 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:20,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash -878886444, now seen corresponding path program 1 times [2021-03-25 22:14:20,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:20,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073913029] [2021-03-25 22:14:20,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:20,090 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:20,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:20,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:20,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:20,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:20,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:20,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:20,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:20,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:20,141 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:14:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:14:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:20,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:20,192 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:20,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:20,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073913029] [2021-03-25 22:14:20,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:20,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:14:20,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8882338] [2021-03-25 22:14:20,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:14:20,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:20,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:14:20,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:14:20,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-25 22:14:20,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 1222 transitions, 34964 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) [2021-03-25 22:14:20,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:20,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-25 22:14:20,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:22,066 INFO L129 PetriNetUnfolder]: 1200/2458 cut-off events. [2021-03-25 22:14:22,066 INFO L130 PetriNetUnfolder]: For 392228/392249 co-relation queries the response was YES. [2021-03-25 22:14:22,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49730 conditions, 2458 events. 1200/2458 cut-off events. For 392228/392249 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18567 event pairs, 148 based on Foata normal form. 14/2471 useless extension candidates. Maximal degree in co-relation 49384. Up to 2234 conditions per place. [2021-03-25 22:14:22,133 INFO L132 encePairwiseOnDemand]: 138/156 looper letters, 1155 selfloop transitions, 70 changer transitions 2/1235 dead transitions. [2021-03-25 22:14:22,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 894 places, 1235 transitions, 37741 flow [2021-03-25 22:14:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:14:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:14:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-25 22:14:22,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20673076923076922 [2021-03-25 22:14:22,135 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-25 22:14:22,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-25 22:14:22,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:22,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-25 22:14:22,135 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) [2021-03-25 22:14:22,136 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) [2021-03-25 22:14:22,136 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) [2021-03-25 22:14:22,136 INFO L185 Difference]: Start difference. First operand has 879 places, 1222 transitions, 34964 flow. Second operand 16 states and 516 transitions. [2021-03-25 22:14:22,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 894 places, 1235 transitions, 37741 flow [2021-03-25 22:14:24,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 881 places, 1235 transitions, 37613 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-03-25 22:14:24,693 INFO L241 Difference]: Finished difference. Result has 883 places, 1222 transitions, 34983 flow [2021-03-25 22:14:24,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=34836, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=34983, PETRI_PLACES=883, PETRI_TRANSITIONS=1222} [2021-03-25 22:14:24,693 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 844 predicate places. [2021-03-25 22:14:24,693 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:24,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 883 places, 1222 transitions, 34983 flow [2021-03-25 22:14:24,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 883 places, 1222 transitions, 34983 flow [2021-03-25 22:14:24,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 881 places, 1222 transitions, 34983 flow [2021-03-25 22:14:25,356 INFO L129 PetriNetUnfolder]: 953/2097 cut-off events. [2021-03-25 22:14:25,357 INFO L130 PetriNetUnfolder]: For 347126/347701 co-relation queries the response was YES. [2021-03-25 22:14:25,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40050 conditions, 2097 events. 953/2097 cut-off events. For 347126/347701 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16611 event pairs, 40 based on Foata normal form. 56/2123 useless extension candidates. Maximal degree in co-relation 39707. Up to 583 conditions per place. [2021-03-25 22:14:25,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-25 22:14:25,861 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:25,861 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:14:25,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1168 [2021-03-25 22:14:25,861 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 1222 transitions, 34986 flow [2021-03-25 22:14:25,861 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) [2021-03-25 22:14:25,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:25,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:14:25,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-25 22:14:25,862 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:25,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:25,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1734193098, now seen corresponding path program 2 times [2021-03-25 22:14:25,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:25,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42103904] [2021-03-25 22:14:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:25,868 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:25,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:25,872 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:25,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:25,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:25,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:25,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:25,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:25,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:25,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:25,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:25,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:25,919 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:14:25,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:14:25,946 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:14:25,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:25,986 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:25,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:25,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42103904] [2021-03-25 22:14:25,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:25,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:14:25,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201651622] [2021-03-25 22:14:25,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:14:25,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:25,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:14:25,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:14:25,989 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-25 22:14:25,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 1222 transitions, 34986 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) [2021-03-25 22:14:25,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:25,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-25 22:14:25,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:27,761 INFO L129 PetriNetUnfolder]: 1199/2453 cut-off events. [2021-03-25 22:14:27,761 INFO L130 PetriNetUnfolder]: For 399202/399223 co-relation queries the response was YES. [2021-03-25 22:14:27,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49878 conditions, 2453 events. 1199/2453 cut-off events. For 399202/399223 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 18470 event pairs, 170 based on Foata normal form. 14/2466 useless extension candidates. Maximal degree in co-relation 49531. Up to 2237 conditions per place. [2021-03-25 22:14:27,831 INFO L132 encePairwiseOnDemand]: 140/157 looper letters, 1160 selfloop transitions, 62 changer transitions 5/1235 dead transitions. [2021-03-25 22:14:27,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 893 places, 1235 transitions, 37700 flow [2021-03-25 22:14:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:14:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:14:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 430 transitions. [2021-03-25 22:14:27,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21068103870651642 [2021-03-25 22:14:27,833 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 430 transitions. [2021-03-25 22:14:27,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 430 transitions. [2021-03-25 22:14:27,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:27,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 430 transitions. [2021-03-25 22:14:27,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.07692307692308) internal successors, (430), 13 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) [2021-03-25 22:14:27,834 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) [2021-03-25 22:14:27,834 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) [2021-03-25 22:14:27,834 INFO L185 Difference]: Start difference. First operand has 881 places, 1222 transitions, 34986 flow. Second operand 13 states and 430 transitions. [2021-03-25 22:14:27,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 893 places, 1235 transitions, 37700 flow [2021-03-25 22:14:30,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 1235 transitions, 37536 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-03-25 22:14:30,380 INFO L241 Difference]: Finished difference. Result has 882 places, 1219 transitions, 34924 flow [2021-03-25 22:14:30,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=34830, PETRI_DIFFERENCE_MINUEND_PLACES=867, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=34924, PETRI_PLACES=882, PETRI_TRANSITIONS=1219} [2021-03-25 22:14:30,381 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 843 predicate places. [2021-03-25 22:14:30,381 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:30,381 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 882 places, 1219 transitions, 34924 flow [2021-03-25 22:14:30,381 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 882 places, 1219 transitions, 34924 flow [2021-03-25 22:14:30,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 877 places, 1219 transitions, 34924 flow [2021-03-25 22:14:31,089 INFO L129 PetriNetUnfolder]: 955/2091 cut-off events. [2021-03-25 22:14:31,089 INFO L130 PetriNetUnfolder]: For 344760/345327 co-relation queries the response was YES. [2021-03-25 22:14:31,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39994 conditions, 2091 events. 955/2091 cut-off events. For 344760/345327 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 16592 event pairs, 39 based on Foata normal form. 54/2113 useless extension candidates. Maximal degree in co-relation 39651. Up to 581 conditions per place. [2021-03-25 22:14:31,159 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-25 22:14:31,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:31,309 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:31,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 928 [2021-03-25 22:14:31,309 INFO L480 AbstractCegarLoop]: Abstraction has has 877 places, 1219 transitions, 34924 flow [2021-03-25 22:14:31,309 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) [2021-03-25 22:14:31,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:31,309 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:14:31,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-25 22:14:31,309 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:31,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1984006648, now seen corresponding path program 1 times [2021-03-25 22:14:31,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:31,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147753402] [2021-03-25 22:14:31,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:31,315 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:31,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:31,320 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:31,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:31,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:31,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:31,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:31,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:31,354 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:14:31,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:14:31,370 INFO L142 QuantifierPusher]: treesize reduction 49, result has 36.4 percent of original size [2021-03-25 22:14:31,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:14:31,390 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:14:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:31,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:14:31,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:31,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:31,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147753402] [2021-03-25 22:14:31,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:31,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:14:31,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910877011] [2021-03-25 22:14:31,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:14:31,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:31,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:14:31,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:14:31,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-25 22:14:31,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 1219 transitions, 34924 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) [2021-03-25 22:14:31,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:31,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-25 22:14:31,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:33,142 INFO L129 PetriNetUnfolder]: 1198/2450 cut-off events. [2021-03-25 22:14:33,142 INFO L130 PetriNetUnfolder]: For 397154/397175 co-relation queries the response was YES. [2021-03-25 22:14:33,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49878 conditions, 2450 events. 1198/2450 cut-off events. For 397154/397175 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18462 event pairs, 144 based on Foata normal form. 18/2467 useless extension candidates. Maximal degree in co-relation 49533. Up to 2209 conditions per place. [2021-03-25 22:14:33,210 INFO L132 encePairwiseOnDemand]: 141/157 looper letters, 1148 selfloop transitions, 75 changer transitions 2/1233 dead transitions. [2021-03-25 22:14:33,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 888 places, 1233 transitions, 37733 flow [2021-03-25 22:14:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:14:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:14:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 412 transitions. [2021-03-25 22:14:33,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21868365180467092 [2021-03-25 22:14:33,212 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 412 transitions. [2021-03-25 22:14:33,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 412 transitions. [2021-03-25 22:14:33,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:33,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 412 transitions. [2021-03-25 22:14:33,212 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) [2021-03-25 22:14:33,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:33,213 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:33,213 INFO L185 Difference]: Start difference. First operand has 877 places, 1219 transitions, 34924 flow. Second operand 12 states and 412 transitions. [2021-03-25 22:14:33,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 888 places, 1233 transitions, 37733 flow [2021-03-25 22:14:35,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 1233 transitions, 37574 flow, removed 12 selfloop flow, removed 14 redundant places. [2021-03-25 22:14:35,725 INFO L241 Difference]: Finished difference. Result has 876 places, 1218 transitions, 34932 flow [2021-03-25 22:14:35,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=34777, PETRI_DIFFERENCE_MINUEND_PLACES=863, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34932, PETRI_PLACES=876, PETRI_TRANSITIONS=1218} [2021-03-25 22:14:35,725 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 837 predicate places. [2021-03-25 22:14:35,725 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:35,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 1218 transitions, 34932 flow [2021-03-25 22:14:35,726 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 1218 transitions, 34932 flow [2021-03-25 22:14:35,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 1218 transitions, 34932 flow [2021-03-25 22:14:36,379 INFO L129 PetriNetUnfolder]: 950/2088 cut-off events. [2021-03-25 22:14:36,380 INFO L130 PetriNetUnfolder]: For 334477/335057 co-relation queries the response was YES. [2021-03-25 22:14:36,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39744 conditions, 2088 events. 950/2088 cut-off events. For 334477/335057 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 16573 event pairs, 37 based on Foata normal form. 31/2080 useless extension candidates. Maximal degree in co-relation 39387. Up to 581 conditions per place. [2021-03-25 22:14:36,459 INFO L142 LiptonReduction]: Number of co-enabled transitions 922 [2021-03-25 22:14:36,605 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:36,605 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:36,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 880 [2021-03-25 22:14:36,605 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 1218 transitions, 34932 flow [2021-03-25 22:14:36,605 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) [2021-03-25 22:14:36,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:36,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:14:36,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-25 22:14:36,605 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:36,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:36,606 INFO L82 PathProgramCache]: Analyzing trace with hash -265662942, now seen corresponding path program 2 times [2021-03-25 22:14:36,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:36,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217794465] [2021-03-25 22:14:36,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:36,612 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:36,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:36,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:36,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:36,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:36,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:36,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:36,651 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:14:36,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:14:36,668 INFO L142 QuantifierPusher]: treesize reduction 49, result has 36.4 percent of original size [2021-03-25 22:14:36,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:14:36,688 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:14:36,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:36,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:36,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:14:36,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:36,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:36,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217794465] [2021-03-25 22:14:36,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:36,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:14:36,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489258242] [2021-03-25 22:14:36,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:14:36,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:36,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:14:36,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:14:36,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-25 22:14:36,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 1218 transitions, 34932 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) [2021-03-25 22:14:36,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:36,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-25 22:14:36,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:38,670 INFO L129 PetriNetUnfolder]: 1207/2472 cut-off events. [2021-03-25 22:14:38,670 INFO L130 PetriNetUnfolder]: For 385010/385014 co-relation queries the response was YES. [2021-03-25 22:14:38,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49941 conditions, 2472 events. 1207/2472 cut-off events. For 385010/385014 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18671 event pairs, 167 based on Foata normal form. 5/2476 useless extension candidates. Maximal degree in co-relation 49583. Up to 2103 conditions per place. [2021-03-25 22:14:38,739 INFO L132 encePairwiseOnDemand]: 127/157 looper letters, 990 selfloop transitions, 242 changer transitions 4/1244 dead transitions. [2021-03-25 22:14:38,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 1244 transitions, 38562 flow [2021-03-25 22:14:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:14:38,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:14:38,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-25 22:14:38,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.214171974522293 [2021-03-25 22:14:38,741 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-25 22:14:38,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-25 22:14:38,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:38,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-25 22:14:38,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 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) [2021-03-25 22:14:38,742 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) [2021-03-25 22:14:38,742 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) [2021-03-25 22:14:38,743 INFO L185 Difference]: Start difference. First operand has 876 places, 1218 transitions, 34932 flow. Second operand 16 states and 538 transitions. [2021-03-25 22:14:38,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 1244 transitions, 38562 flow [2021-03-25 22:14:41,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 1244 transitions, 38391 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-25 22:14:41,498 INFO L241 Difference]: Finished difference. Result has 882 places, 1225 transitions, 35924 flow [2021-03-25 22:14:41,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=34763, PETRI_DIFFERENCE_MINUEND_PLACES=863, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35924, PETRI_PLACES=882, PETRI_TRANSITIONS=1225} [2021-03-25 22:14:41,498 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 843 predicate places. [2021-03-25 22:14:41,499 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:41,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 882 places, 1225 transitions, 35924 flow [2021-03-25 22:14:41,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 882 places, 1225 transitions, 35924 flow [2021-03-25 22:14:41,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 879 places, 1225 transitions, 35924 flow [2021-03-25 22:14:42,165 INFO L129 PetriNetUnfolder]: 956/2103 cut-off events. [2021-03-25 22:14:42,166 INFO L130 PetriNetUnfolder]: For 347362/347984 co-relation queries the response was YES. [2021-03-25 22:14:42,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40551 conditions, 2103 events. 956/2103 cut-off events. For 347362/347984 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 16700 event pairs, 48 based on Foata normal form. 33/2095 useless extension candidates. Maximal degree in co-relation 40192. Up to 590 conditions per place. [2021-03-25 22:14:42,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 928 [2021-03-25 22:14:42,415 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:42,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:42,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 917 [2021-03-25 22:14:42,416 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 1225 transitions, 35924 flow [2021-03-25 22:14:42,416 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) [2021-03-25 22:14:42,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:42,416 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] [2021-03-25 22:14:42,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-25 22:14:42,416 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:42,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:42,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1580246672, now seen corresponding path program 2 times [2021-03-25 22:14:42,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:42,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341386355] [2021-03-25 22:14:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:42,422 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:42,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:42,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:42,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:42,451 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:14:42,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:14:42,471 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:42,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:42,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:42,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:42,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:42,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:42,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:42,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:42,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:42,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:42,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341386355] [2021-03-25 22:14:42,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:42,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:14:42,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215986239] [2021-03-25 22:14:42,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:14:42,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:42,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:14:42,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:14:42,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-25 22:14:42,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 1225 transitions, 35924 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) [2021-03-25 22:14:42,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:42,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-25 22:14:42,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:44,751 INFO L129 PetriNetUnfolder]: 1220/2495 cut-off events. [2021-03-25 22:14:44,752 INFO L130 PetriNetUnfolder]: For 389563/389584 co-relation queries the response was YES. [2021-03-25 22:14:44,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50523 conditions, 2495 events. 1220/2495 cut-off events. For 389563/389584 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 18780 event pairs, 174 based on Foata normal form. 14/2508 useless extension candidates. Maximal degree in co-relation 50163. Up to 2045 conditions per place. [2021-03-25 22:14:44,965 INFO L132 encePairwiseOnDemand]: 132/157 looper letters, 981 selfloop transitions, 287 changer transitions 7/1283 dead transitions. [2021-03-25 22:14:44,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 900 places, 1283 transitions, 40006 flow [2021-03-25 22:14:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 22:14:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 22:14:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 712 transitions. [2021-03-25 22:14:44,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20613781123335265 [2021-03-25 22:14:44,966 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 712 transitions. [2021-03-25 22:14:44,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 712 transitions. [2021-03-25 22:14:44,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:44,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 712 transitions. [2021-03-25 22:14:44,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.36363636363637) internal successors, (712), 22 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:44,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 157.0) internal successors, (3611), 23 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:44,968 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 157.0) internal successors, (3611), 23 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:44,968 INFO L185 Difference]: Start difference. First operand has 879 places, 1225 transitions, 35924 flow. Second operand 22 states and 712 transitions. [2021-03-25 22:14:44,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 900 places, 1283 transitions, 40006 flow [2021-03-25 22:14:47,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 890 places, 1283 transitions, 39361 flow, removed 135 selfloop flow, removed 10 redundant places. [2021-03-25 22:14:47,441 INFO L241 Difference]: Finished difference. Result has 893 places, 1240 transitions, 36220 flow [2021-03-25 22:14:47,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=35280, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=954, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=36220, PETRI_PLACES=893, PETRI_TRANSITIONS=1240} [2021-03-25 22:14:47,441 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 854 predicate places. [2021-03-25 22:14:47,441 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:47,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 893 places, 1240 transitions, 36220 flow [2021-03-25 22:14:47,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 893 places, 1240 transitions, 36220 flow [2021-03-25 22:14:47,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 891 places, 1240 transitions, 36220 flow [2021-03-25 22:14:48,098 INFO L129 PetriNetUnfolder]: 973/2130 cut-off events. [2021-03-25 22:14:48,099 INFO L130 PetriNetUnfolder]: For 347240/347663 co-relation queries the response was YES. [2021-03-25 22:14:48,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41033 conditions, 2130 events. 973/2130 cut-off events. For 347240/347663 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 16836 event pairs, 57 based on Foata normal form. 21/2108 useless extension candidates. Maximal degree in co-relation 40687. Up to 589 conditions per place. [2021-03-25 22:14:48,179 INFO L142 LiptonReduction]: Number of co-enabled transitions 936 [2021-03-25 22:14:48,357 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:48,358 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:48,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 917 [2021-03-25 22:14:48,358 INFO L480 AbstractCegarLoop]: Abstraction has has 891 places, 1240 transitions, 36220 flow [2021-03-25 22:14:48,358 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) [2021-03-25 22:14:48,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:48,358 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] [2021-03-25 22:14:48,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-25 22:14:48,358 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:48,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:48,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2041030739, now seen corresponding path program 2 times [2021-03-25 22:14:48,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:48,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912524677] [2021-03-25 22:14:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:48,364 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:48,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:48,369 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:48,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:48,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:48,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:48,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:48,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:48,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:48,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:48,403 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:14:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:14:48,406 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:48,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:48,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:48,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:48,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:48,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:48,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:48,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:48,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:48,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:48,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912524677] [2021-03-25 22:14:48,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:48,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:14:48,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869599157] [2021-03-25 22:14:48,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:14:48,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:48,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:14:48,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:14:48,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-25 22:14:48,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 891 places, 1240 transitions, 36220 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) [2021-03-25 22:14:48,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:48,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-25 22:14:48,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:50,545 INFO L129 PetriNetUnfolder]: 1219/2496 cut-off events. [2021-03-25 22:14:50,545 INFO L130 PetriNetUnfolder]: For 404902/404923 co-relation queries the response was YES. [2021-03-25 22:14:50,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50896 conditions, 2496 events. 1219/2496 cut-off events. For 404902/404923 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 18891 event pairs, 165 based on Foata normal form. 18/2513 useless extension candidates. Maximal degree in co-relation 50546. Up to 2166 conditions per place. [2021-03-25 22:14:50,610 INFO L132 encePairwiseOnDemand]: 127/157 looper letters, 1039 selfloop transitions, 205 changer transitions 2/1254 dead transitions. [2021-03-25 22:14:50,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 904 places, 1254 transitions, 38983 flow [2021-03-25 22:14:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:14:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:14:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 474 transitions. [2021-03-25 22:14:50,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2156505914467698 [2021-03-25 22:14:50,611 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 474 transitions. [2021-03-25 22:14:50,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 474 transitions. [2021-03-25 22:14:50,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:50,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 474 transitions. [2021-03-25 22:14:50,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.857142857142854) internal successors, (474), 14 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) [2021-03-25 22:14:50,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:50,613 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:50,613 INFO L185 Difference]: Start difference. First operand has 891 places, 1240 transitions, 36220 flow. Second operand 14 states and 474 transitions. [2021-03-25 22:14:50,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 904 places, 1254 transitions, 38983 flow [2021-03-25 22:14:53,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 890 places, 1254 transitions, 38337 flow, removed 130 selfloop flow, removed 14 redundant places. [2021-03-25 22:14:53,531 INFO L241 Difference]: Finished difference. Result has 894 places, 1244 transitions, 36079 flow [2021-03-25 22:14:53,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=35578, PETRI_DIFFERENCE_MINUEND_PLACES=877, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=36079, PETRI_PLACES=894, PETRI_TRANSITIONS=1244} [2021-03-25 22:14:53,531 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 855 predicate places. [2021-03-25 22:14:53,532 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:53,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 1244 transitions, 36079 flow [2021-03-25 22:14:53,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 1244 transitions, 36079 flow [2021-03-25 22:14:53,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 893 places, 1244 transitions, 36079 flow [2021-03-25 22:14:54,210 INFO L129 PetriNetUnfolder]: 968/2133 cut-off events. [2021-03-25 22:14:54,210 INFO L130 PetriNetUnfolder]: For 340926/341374 co-relation queries the response was YES. [2021-03-25 22:14:54,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40665 conditions, 2133 events. 968/2133 cut-off events. For 340926/341374 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 17067 event pairs, 40 based on Foata normal form. 33/2125 useless extension candidates. Maximal degree in co-relation 40317. Up to 589 conditions per place. [2021-03-25 22:14:54,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 936 [2021-03-25 22:14:54,467 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:14:54,467 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:14:54,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 936 [2021-03-25 22:14:54,467 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 1244 transitions, 36079 flow [2021-03-25 22:14:54,467 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) [2021-03-25 22:14:54,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:14:54,467 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] [2021-03-25 22:14:54,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-25 22:14:54,467 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:14:54,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:14:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -152099162, now seen corresponding path program 11 times [2021-03-25 22:14:54,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:14:54,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270789999] [2021-03-25 22:14:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:14:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:14:54,474 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:14:54,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:14:54,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:14:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:14:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:54,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:14:54,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:14:54,514 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:54,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:54,535 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:14:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:14:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:14:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:14:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:14:54,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:14:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:14:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:14:54,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270789999] [2021-03-25 22:14:54,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:14:54,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:14:54,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103646499] [2021-03-25 22:14:54,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:14:54,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:14:54,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:14:54,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:14:54,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-25 22:14:54,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 1244 transitions, 36079 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) [2021-03-25 22:14:54,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:14:54,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-25 22:14:54,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:14:56,598 INFO L129 PetriNetUnfolder]: 1217/2500 cut-off events. [2021-03-25 22:14:56,598 INFO L130 PetriNetUnfolder]: For 400741/400755 co-relation queries the response was YES. [2021-03-25 22:14:56,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50728 conditions, 2500 events. 1217/2500 cut-off events. For 400741/400755 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 18931 event pairs, 159 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 50373. Up to 2271 conditions per place. [2021-03-25 22:14:56,671 INFO L132 encePairwiseOnDemand]: 140/157 looper letters, 1179 selfloop transitions, 66 changer transitions 6/1259 dead transitions. [2021-03-25 22:14:56,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 910 places, 1259 transitions, 38953 flow [2021-03-25 22:14:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:14:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:14:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 567 transitions. [2021-03-25 22:14:56,672 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20063694267515925 [2021-03-25 22:14:56,672 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 567 transitions. [2021-03-25 22:14:56,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 567 transitions. [2021-03-25 22:14:56,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:14:56,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 567 transitions. [2021-03-25 22:14:56,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.5) internal successors, (567), 18 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:56,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 157.0) internal successors, (2983), 19 states have internal predecessors, (2983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:56,674 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 157.0) internal successors, (2983), 19 states have internal predecessors, (2983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:14:56,674 INFO L185 Difference]: Start difference. First operand has 893 places, 1244 transitions, 36079 flow. Second operand 18 states and 567 transitions. [2021-03-25 22:14:56,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 910 places, 1259 transitions, 38953 flow [2021-03-25 22:14:59,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 899 places, 1259 transitions, 38539 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-03-25 22:14:59,599 INFO L241 Difference]: Finished difference. Result has 901 places, 1242 transitions, 35821 flow [2021-03-25 22:14:59,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=35667, PETRI_DIFFERENCE_MINUEND_PLACES=882, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=35821, PETRI_PLACES=901, PETRI_TRANSITIONS=1242} [2021-03-25 22:14:59,600 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 862 predicate places. [2021-03-25 22:14:59,600 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:14:59,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 901 places, 1242 transitions, 35821 flow [2021-03-25 22:14:59,600 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 901 places, 1242 transitions, 35821 flow [2021-03-25 22:14:59,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 897 places, 1242 transitions, 35821 flow [2021-03-25 22:15:00,288 INFO L129 PetriNetUnfolder]: 971/2139 cut-off events. [2021-03-25 22:15:00,288 INFO L130 PetriNetUnfolder]: For 355297/355779 co-relation queries the response was YES. [2021-03-25 22:15:00,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40947 conditions, 2139 events. 971/2139 cut-off events. For 355297/355779 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 17023 event pairs, 43 based on Foata normal form. 33/2131 useless extension candidates. Maximal degree in co-relation 40597. Up to 594 conditions per place. [2021-03-25 22:15:00,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 938 [2021-03-25 22:15:00,522 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-03-25 22:15:00,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:00,920 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:15:00,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1320 [2021-03-25 22:15:00,921 INFO L480 AbstractCegarLoop]: Abstraction has has 897 places, 1242 transitions, 35874 flow [2021-03-25 22:15:00,921 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) [2021-03-25 22:15:00,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:00,921 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] [2021-03-25 22:15:00,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-25 22:15:00,921 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:00,921 INFO L82 PathProgramCache]: Analyzing trace with hash -2001272177, now seen corresponding path program 9 times [2021-03-25 22:15:00,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:00,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000716693] [2021-03-25 22:15:00,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:00,927 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:00,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:00,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:00,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:00,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:00,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:00,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:00,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:00,959 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:15:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:15:00,983 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:00,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:01,009 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:01,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:01,036 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:01,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:01,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:01,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:01,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:01,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:01,091 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:01,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:01,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000716693] [2021-03-25 22:15:01,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:01,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:15:01,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012374439] [2021-03-25 22:15:01,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:15:01,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:01,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:15:01,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:15:01,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 158 [2021-03-25 22:15:01,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 897 places, 1242 transitions, 35874 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) [2021-03-25 22:15:01,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:01,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 158 [2021-03-25 22:15:01,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:03,414 INFO L129 PetriNetUnfolder]: 1218/2506 cut-off events. [2021-03-25 22:15:03,414 INFO L130 PetriNetUnfolder]: For 406999/407020 co-relation queries the response was YES. [2021-03-25 22:15:03,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50892 conditions, 2506 events. 1218/2506 cut-off events. For 406999/407020 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 18993 event pairs, 143 based on Foata normal form. 14/2518 useless extension candidates. Maximal degree in co-relation 50537. Up to 2227 conditions per place. [2021-03-25 22:15:03,491 INFO L132 encePairwiseOnDemand]: 138/158 looper letters, 1146 selfloop transitions, 116 changer transitions 2/1272 dead transitions. [2021-03-25 22:15:03,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1272 transitions, 39688 flow [2021-03-25 22:15:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:15:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:15:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 566 transitions. [2021-03-25 22:15:03,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21072226358897989 [2021-03-25 22:15:03,492 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 566 transitions. [2021-03-25 22:15:03,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 566 transitions. [2021-03-25 22:15:03,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:03,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 566 transitions. [2021-03-25 22:15:03,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.294117647058826) internal successors, (566), 17 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:03,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 158.0) internal successors, (2844), 18 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:03,495 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 158.0) internal successors, (2844), 18 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:03,495 INFO L185 Difference]: Start difference. First operand has 897 places, 1242 transitions, 35874 flow. Second operand 17 states and 566 transitions. [2021-03-25 22:15:03,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1272 transitions, 39688 flow [2021-03-25 22:15:06,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 896 places, 1272 transitions, 39377 flow, removed 73 selfloop flow, removed 17 redundant places. [2021-03-25 22:15:06,608 INFO L241 Difference]: Finished difference. Result has 899 places, 1250 transitions, 36098 flow [2021-03-25 22:15:06,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=35581, PETRI_DIFFERENCE_MINUEND_PLACES=880, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=36098, PETRI_PLACES=899, PETRI_TRANSITIONS=1250} [2021-03-25 22:15:06,608 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 860 predicate places. [2021-03-25 22:15:06,608 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:06,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 899 places, 1250 transitions, 36098 flow [2021-03-25 22:15:06,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 899 places, 1250 transitions, 36098 flow [2021-03-25 22:15:06,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 899 places, 1250 transitions, 36098 flow [2021-03-25 22:15:07,324 INFO L129 PetriNetUnfolder]: 973/2152 cut-off events. [2021-03-25 22:15:07,324 INFO L130 PetriNetUnfolder]: For 354737/355369 co-relation queries the response was YES. [2021-03-25 22:15:07,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41111 conditions, 2152 events. 973/2152 cut-off events. For 354737/355369 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17134 event pairs, 42 based on Foata normal form. 61/2185 useless extension candidates. Maximal degree in co-relation 40746. Up to 592 conditions per place. [2021-03-25 22:15:07,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:07,841 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:07,841 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:15:07,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1233 [2021-03-25 22:15:07,842 INFO L480 AbstractCegarLoop]: Abstraction has has 899 places, 1250 transitions, 36171 flow [2021-03-25 22:15:07,842 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) [2021-03-25 22:15:07,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:07,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:15:07,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-25 22:15:07,842 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:07,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:07,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1986178871, now seen corresponding path program 1 times [2021-03-25 22:15:07,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:07,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269353173] [2021-03-25 22:15:07,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:07,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:07,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:07,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:07,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:07,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:07,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:07,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:07,905 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:15:07,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:15:07,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:07,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:07,942 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:15:07,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:07,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:07,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:07,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269353173] [2021-03-25 22:15:07,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:07,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:15:07,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528073493] [2021-03-25 22:15:07,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:15:07,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:07,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:15:07,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:15:07,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-25 22:15:07,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 899 places, 1250 transitions, 36171 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) [2021-03-25 22:15:07,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:07,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-25 22:15:07,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:10,371 INFO L129 PetriNetUnfolder]: 1216/2507 cut-off events. [2021-03-25 22:15:10,371 INFO L130 PetriNetUnfolder]: For 408168/408189 co-relation queries the response was YES. [2021-03-25 22:15:10,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50855 conditions, 2507 events. 1216/2507 cut-off events. For 408168/408189 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 19009 event pairs, 155 based on Foata normal form. 18/2524 useless extension candidates. Maximal degree in co-relation 50489. Up to 2124 conditions per place. [2021-03-25 22:15:10,443 INFO L132 encePairwiseOnDemand]: 126/159 looper letters, 993 selfloop transitions, 256 changer transitions 4/1261 dead transitions. [2021-03-25 22:15:10,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 915 places, 1261 transitions, 38984 flow [2021-03-25 22:15:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:15:10,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:15:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 557 transitions. [2021-03-25 22:15:10,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20606733259341473 [2021-03-25 22:15:10,445 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 557 transitions. [2021-03-25 22:15:10,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 557 transitions. [2021-03-25 22:15:10,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:10,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 557 transitions. [2021-03-25 22:15:10,446 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) [2021-03-25 22:15:10,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 159.0) internal successors, (2862), 18 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:10,447 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 159.0) internal successors, (2862), 18 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:10,447 INFO L185 Difference]: Start difference. First operand has 899 places, 1250 transitions, 36171 flow. Second operand 17 states and 557 transitions. [2021-03-25 22:15:10,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 915 places, 1261 transitions, 38984 flow [2021-03-25 22:15:13,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1261 transitions, 38539 flow, removed 148 selfloop flow, removed 12 redundant places. [2021-03-25 22:15:13,467 INFO L241 Difference]: Finished difference. Result has 906 places, 1248 transitions, 36154 flow [2021-03-25 22:15:13,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35732, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=994, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=36154, PETRI_PLACES=906, PETRI_TRANSITIONS=1248} [2021-03-25 22:15:13,467 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 867 predicate places. [2021-03-25 22:15:13,467 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:13,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 906 places, 1248 transitions, 36154 flow [2021-03-25 22:15:13,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 906 places, 1248 transitions, 36154 flow [2021-03-25 22:15:13,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 901 places, 1248 transitions, 36154 flow [2021-03-25 22:15:14,193 INFO L129 PetriNetUnfolder]: 966/2142 cut-off events. [2021-03-25 22:15:14,193 INFO L130 PetriNetUnfolder]: For 336444/336816 co-relation queries the response was YES. [2021-03-25 22:15:14,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40873 conditions, 2142 events. 966/2142 cut-off events. For 336444/336816 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17145 event pairs, 41 based on Foata normal form. 23/2129 useless extension candidates. Maximal degree in co-relation 40517. Up to 588 conditions per place. [2021-03-25 22:15:14,287 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:14,470 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:14,470 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:15:14,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1003 [2021-03-25 22:15:14,470 INFO L480 AbstractCegarLoop]: Abstraction has has 901 places, 1248 transitions, 36154 flow [2021-03-25 22:15:14,471 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) [2021-03-25 22:15:14,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:14,471 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] [2021-03-25 22:15:14,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-25 22:15:14,471 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:14,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:14,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1904030027, now seen corresponding path program 4 times [2021-03-25 22:15:14,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:14,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146400166] [2021-03-25 22:15:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:14,478 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:14,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:14,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:14,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:14,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:14,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:14,508 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:15:14,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:15:14,528 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:15:14,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:15:14,531 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:15:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:15:14,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:15:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:14,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:14,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:14,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:14,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146400166] [2021-03-25 22:15:14,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:14,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:15:14,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793734489] [2021-03-25 22:15:14,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:15:14,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:14,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:15:14,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:15:14,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-25 22:15:14,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 901 places, 1248 transitions, 36154 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) [2021-03-25 22:15:14,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:14,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-25 22:15:14,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:16,668 INFO L129 PetriNetUnfolder]: 1215/2501 cut-off events. [2021-03-25 22:15:16,668 INFO L130 PetriNetUnfolder]: For 400738/400766 co-relation queries the response was YES. [2021-03-25 22:15:16,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50638 conditions, 2501 events. 1215/2501 cut-off events. For 400738/400766 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 18893 event pairs, 173 based on Foata normal form. 21/2521 useless extension candidates. Maximal degree in co-relation 50275. Up to 2193 conditions per place. [2021-03-25 22:15:16,729 INFO L132 encePairwiseOnDemand]: 135/159 looper letters, 1070 selfloop transitions, 181 changer transitions 2/1261 dead transitions. [2021-03-25 22:15:16,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1261 transitions, 39026 flow [2021-03-25 22:15:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:15:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:15:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 444 transitions. [2021-03-25 22:15:16,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21480406386066764 [2021-03-25 22:15:16,730 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 444 transitions. [2021-03-25 22:15:16,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 444 transitions. [2021-03-25 22:15:16,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:16,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 444 transitions. [2021-03-25 22:15:16,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.15384615384615) internal successors, (444), 13 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) [2021-03-25 22:15:16,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:16,732 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:16,732 INFO L185 Difference]: Start difference. First operand has 901 places, 1248 transitions, 36154 flow. Second operand 13 states and 444 transitions. [2021-03-25 22:15:16,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1261 transitions, 39026 flow [2021-03-25 22:15:19,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 898 places, 1261 transitions, 38496 flow, removed 9 selfloop flow, removed 15 redundant places. [2021-03-25 22:15:19,423 INFO L241 Difference]: Finished difference. Result has 900 places, 1248 transitions, 36001 flow [2021-03-25 22:15:19,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35624, PETRI_DIFFERENCE_MINUEND_PLACES=886, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=36001, PETRI_PLACES=900, PETRI_TRANSITIONS=1248} [2021-03-25 22:15:19,423 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 861 predicate places. [2021-03-25 22:15:19,423 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:19,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 900 places, 1248 transitions, 36001 flow [2021-03-25 22:15:19,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 900 places, 1248 transitions, 36001 flow [2021-03-25 22:15:19,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 899 places, 1248 transitions, 36001 flow [2021-03-25 22:15:20,088 INFO L129 PetriNetUnfolder]: 976/2152 cut-off events. [2021-03-25 22:15:20,088 INFO L130 PetriNetUnfolder]: For 345455/346071 co-relation queries the response was YES. [2021-03-25 22:15:20,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41201 conditions, 2152 events. 976/2152 cut-off events. For 345455/346071 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17101 event pairs, 48 based on Foata normal form. 54/2171 useless extension candidates. Maximal degree in co-relation 40844. Up to 595 conditions per place. [2021-03-25 22:15:20,172 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:20,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:20,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:15:20,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 928 [2021-03-25 22:15:20,351 INFO L480 AbstractCegarLoop]: Abstraction has has 899 places, 1248 transitions, 36001 flow [2021-03-25 22:15:20,351 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) [2021-03-25 22:15:20,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:20,351 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] [2021-03-25 22:15:20,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-25 22:15:20,352 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:20,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1683121041, now seen corresponding path program 4 times [2021-03-25 22:15:20,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:20,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322299113] [2021-03-25 22:15:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:20,358 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:20,362 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:20,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:20,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:20,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:20,412 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:15:20,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:15:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:15:20,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:20,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:20,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:20,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:20,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:20,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322299113] [2021-03-25 22:15:20,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:20,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:15:20,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633782081] [2021-03-25 22:15:20,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:15:20,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:20,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:15:20,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:15:20,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-25 22:15:20,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 899 places, 1248 transitions, 36001 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) [2021-03-25 22:15:20,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:20,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-25 22:15:20,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:22,607 INFO L129 PetriNetUnfolder]: 1214/2505 cut-off events. [2021-03-25 22:15:22,607 INFO L130 PetriNetUnfolder]: For 404215/404236 co-relation queries the response was YES. [2021-03-25 22:15:22,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50701 conditions, 2505 events. 1214/2505 cut-off events. For 404215/404236 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 19061 event pairs, 127 based on Foata normal form. 18/2522 useless extension candidates. Maximal degree in co-relation 50339. Up to 2021 conditions per place. [2021-03-25 22:15:22,669 INFO L132 encePairwiseOnDemand]: 124/159 looper letters, 900 selfloop transitions, 349 changer transitions 2/1259 dead transitions. [2021-03-25 22:15:22,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1259 transitions, 38889 flow [2021-03-25 22:15:22,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:15:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:15:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 513 transitions. [2021-03-25 22:15:22,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21509433962264152 [2021-03-25 22:15:22,671 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 513 transitions. [2021-03-25 22:15:22,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 513 transitions. [2021-03-25 22:15:22,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:22,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 513 transitions. [2021-03-25 22:15:22,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.2) internal successors, (513), 15 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) [2021-03-25 22:15:22,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:22,672 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:22,672 INFO L185 Difference]: Start difference. First operand has 899 places, 1248 transitions, 36001 flow. Second operand 15 states and 513 transitions. [2021-03-25 22:15:22,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1259 transitions, 38889 flow [2021-03-25 22:15:25,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1259 transitions, 38410 flow, removed 67 selfloop flow, removed 10 redundant places. [2021-03-25 22:15:25,465 INFO L241 Difference]: Finished difference. Result has 905 places, 1248 transitions, 36300 flow [2021-03-25 22:15:25,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35522, PETRI_DIFFERENCE_MINUEND_PLACES=889, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=349, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=36300, PETRI_PLACES=905, PETRI_TRANSITIONS=1248} [2021-03-25 22:15:25,466 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 866 predicate places. [2021-03-25 22:15:25,466 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:25,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 905 places, 1248 transitions, 36300 flow [2021-03-25 22:15:25,466 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 905 places, 1248 transitions, 36300 flow [2021-03-25 22:15:25,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1248 transitions, 36300 flow [2021-03-25 22:15:26,125 INFO L129 PetriNetUnfolder]: 966/2139 cut-off events. [2021-03-25 22:15:26,125 INFO L130 PetriNetUnfolder]: For 344412/345071 co-relation queries the response was YES. [2021-03-25 22:15:26,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40921 conditions, 2139 events. 966/2139 cut-off events. For 344412/345071 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 16998 event pairs, 42 based on Foata normal form. 67/2174 useless extension candidates. Maximal degree in co-relation 40563. Up to 584 conditions per place. [2021-03-25 22:15:26,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:26,385 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:26,385 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:15:26,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 919 [2021-03-25 22:15:26,385 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1248 transitions, 36300 flow [2021-03-25 22:15:26,386 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) [2021-03-25 22:15:26,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:26,386 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] [2021-03-25 22:15:26,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-25 22:15:26,386 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:26,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:26,386 INFO L82 PathProgramCache]: Analyzing trace with hash -491127173, now seen corresponding path program 10 times [2021-03-25 22:15:26,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:26,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514888802] [2021-03-25 22:15:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:26,392 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:26,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:26,396 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:26,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:26,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:26,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:26,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:26,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:26,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:26,432 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:26,458 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:26,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:26,485 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:26,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:26,518 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:15:26,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:15:26,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:26,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:26,561 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:26,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514888802] [2021-03-25 22:15:26,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:26,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:15:26,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412097396] [2021-03-25 22:15:26,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:15:26,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:26,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:15:26,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:15:26,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-25 22:15:26,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1248 transitions, 36300 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) [2021-03-25 22:15:26,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:26,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-25 22:15:26,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:28,608 INFO L129 PetriNetUnfolder]: 1214/2512 cut-off events. [2021-03-25 22:15:28,608 INFO L130 PetriNetUnfolder]: For 412013/412034 co-relation queries the response was YES. [2021-03-25 22:15:28,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51145 conditions, 2512 events. 1214/2512 cut-off events. For 412013/412034 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19067 event pairs, 161 based on Foata normal form. 14/2525 useless extension candidates. Maximal degree in co-relation 50778. Up to 2284 conditions per place. [2021-03-25 22:15:28,673 INFO L132 encePairwiseOnDemand]: 144/159 looper letters, 1205 selfloop transitions, 53 changer transitions 2/1268 dead transitions. [2021-03-25 22:15:28,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 918 places, 1268 transitions, 39310 flow [2021-03-25 22:15:28,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:15:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:15:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 482 transitions. [2021-03-25 22:15:28,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2020964360587002 [2021-03-25 22:15:28,674 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 482 transitions. [2021-03-25 22:15:28,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 482 transitions. [2021-03-25 22:15:28,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:28,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 482 transitions. [2021-03-25 22:15:28,675 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) [2021-03-25 22:15:28,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:28,676 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:28,676 INFO L185 Difference]: Start difference. First operand has 904 places, 1248 transitions, 36300 flow. Second operand 15 states and 482 transitions. [2021-03-25 22:15:28,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 918 places, 1268 transitions, 39310 flow [2021-03-25 22:15:31,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1268 transitions, 38516 flow, removed 10 selfloop flow, removed 15 redundant places. [2021-03-25 22:15:31,332 INFO L241 Difference]: Finished difference. Result has 908 places, 1255 transitions, 35898 flow [2021-03-25 22:15:31,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35520, PETRI_DIFFERENCE_MINUEND_PLACES=889, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35898, PETRI_PLACES=908, PETRI_TRANSITIONS=1255} [2021-03-25 22:15:31,333 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 869 predicate places. [2021-03-25 22:15:31,333 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:31,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 908 places, 1255 transitions, 35898 flow [2021-03-25 22:15:31,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 908 places, 1255 transitions, 35898 flow [2021-03-25 22:15:31,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 907 places, 1255 transitions, 35898 flow [2021-03-25 22:15:31,991 INFO L129 PetriNetUnfolder]: 968/2151 cut-off events. [2021-03-25 22:15:31,991 INFO L130 PetriNetUnfolder]: For 344659/345068 co-relation queries the response was YES. [2021-03-25 22:15:32,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40636 conditions, 2151 events. 968/2151 cut-off events. For 344659/345068 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17219 event pairs, 47 based on Foata normal form. 33/2143 useless extension candidates. Maximal degree in co-relation 40272. Up to 585 conditions per place. [2021-03-25 22:15:32,074 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-25 22:15:32,546 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:32,546 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:15:32,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1213 [2021-03-25 22:15:32,546 INFO L480 AbstractCegarLoop]: Abstraction has has 906 places, 1254 transitions, 35902 flow [2021-03-25 22:15:32,546 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) [2021-03-25 22:15:32,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:32,546 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] [2021-03-25 22:15:32,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-25 22:15:32,546 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:32,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1364867853, now seen corresponding path program 11 times [2021-03-25 22:15:32,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:32,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296339142] [2021-03-25 22:15:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:32,552 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:32,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:32,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:32,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:32,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:32,593 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:32,619 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:32,646 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:32,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:32,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:32,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:32,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:32,701 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:32,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:32,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296339142] [2021-03-25 22:15:32,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:32,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:15:32,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950480396] [2021-03-25 22:15:32,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:15:32,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:32,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:15:32,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:15:32,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 161 [2021-03-25 22:15:32,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 906 places, 1254 transitions, 35902 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) [2021-03-25 22:15:32,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:32,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 161 [2021-03-25 22:15:32,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:34,741 INFO L129 PetriNetUnfolder]: 1213/2511 cut-off events. [2021-03-25 22:15:34,741 INFO L130 PetriNetUnfolder]: For 406228/406258 co-relation queries the response was YES. [2021-03-25 22:15:34,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50571 conditions, 2511 events. 1213/2511 cut-off events. For 406228/406258 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 19165 event pairs, 166 based on Foata normal form. 19/2529 useless extension candidates. Maximal degree in co-relation 50201. Up to 2285 conditions per place. [2021-03-25 22:15:34,808 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 1204 selfloop transitions, 51 changer transitions 3/1266 dead transitions. [2021-03-25 22:15:34,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 1266 transitions, 38720 flow [2021-03-25 22:15:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:15:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:15:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-25 22:15:34,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20097604259094942 [2021-03-25 22:15:34,809 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-25 22:15:34,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-25 22:15:34,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:34,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-25 22:15:34,810 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) [2021-03-25 22:15:34,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:34,811 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:34,811 INFO L185 Difference]: Start difference. First operand has 906 places, 1254 transitions, 35902 flow. Second operand 14 states and 453 transitions. [2021-03-25 22:15:34,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 1266 transitions, 38720 flow [2021-03-25 22:15:37,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 1266 transitions, 38347 flow, removed 85 selfloop flow, removed 12 redundant places. [2021-03-25 22:15:37,817 INFO L241 Difference]: Finished difference. Result has 910 places, 1253 transitions, 35628 flow [2021-03-25 22:15:37,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=35531, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35628, PETRI_PLACES=910, PETRI_TRANSITIONS=1253} [2021-03-25 22:15:37,818 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 871 predicate places. [2021-03-25 22:15:37,818 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:37,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 910 places, 1253 transitions, 35628 flow [2021-03-25 22:15:37,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 910 places, 1253 transitions, 35628 flow [2021-03-25 22:15:37,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 907 places, 1253 transitions, 35628 flow [2021-03-25 22:15:38,481 INFO L129 PetriNetUnfolder]: 973/2160 cut-off events. [2021-03-25 22:15:38,481 INFO L130 PetriNetUnfolder]: For 348536/349114 co-relation queries the response was YES. [2021-03-25 22:15:38,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40772 conditions, 2160 events. 973/2160 cut-off events. For 348536/349114 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 17258 event pairs, 43 based on Foata normal form. 58/2186 useless extension candidates. Maximal degree in co-relation 40409. Up to 586 conditions per place. [2021-03-25 22:15:38,567 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-25 22:15:38,742 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:38,742 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:15:38,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 924 [2021-03-25 22:15:38,742 INFO L480 AbstractCegarLoop]: Abstraction has has 907 places, 1253 transitions, 35628 flow [2021-03-25 22:15:38,742 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) [2021-03-25 22:15:38,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:38,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:15:38,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-25 22:15:38,742 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:38,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:38,743 INFO L82 PathProgramCache]: Analyzing trace with hash -604826059, now seen corresponding path program 1 times [2021-03-25 22:15:38,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:38,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140560866] [2021-03-25 22:15:38,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:38,750 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:38,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:38,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:38,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:38,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:38,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:38,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:38,792 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:15:38,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:15:38,816 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-25 22:15:38,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:15:38,839 INFO L142 QuantifierPusher]: treesize reduction 48, result has 43.5 percent of original size [2021-03-25 22:15:38,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:15:38,867 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-25 22:15:38,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:15:38,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:38,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:38,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140560866] [2021-03-25 22:15:38,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:38,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:15:38,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522758700] [2021-03-25 22:15:38,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:15:38,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:38,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:15:38,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:15:38,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 161 [2021-03-25 22:15:38,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 907 places, 1253 transitions, 35628 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) [2021-03-25 22:15:38,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:38,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 161 [2021-03-25 22:15:38,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:40,879 INFO L129 PetriNetUnfolder]: 1213/2503 cut-off events. [2021-03-25 22:15:40,879 INFO L130 PetriNetUnfolder]: For 412705/412735 co-relation queries the response was YES. [2021-03-25 22:15:40,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50476 conditions, 2503 events. 1213/2503 cut-off events. For 412705/412735 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19049 event pairs, 156 based on Foata normal form. 23/2525 useless extension candidates. Maximal degree in co-relation 50111. Up to 2227 conditions per place. [2021-03-25 22:15:40,947 INFO L132 encePairwiseOnDemand]: 139/161 looper letters, 1141 selfloop transitions, 111 changer transitions 4/1264 dead transitions. [2021-03-25 22:15:40,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1264 transitions, 38505 flow [2021-03-25 22:15:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:15:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:15:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-25 22:15:40,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2062111801242236 [2021-03-25 22:15:40,949 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-25 22:15:40,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-25 22:15:40,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:40,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-25 22:15:40,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 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) [2021-03-25 22:15:40,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 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) [2021-03-25 22:15:40,950 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 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) [2021-03-25 22:15:40,950 INFO L185 Difference]: Start difference. First operand has 907 places, 1253 transitions, 35628 flow. Second operand 15 states and 498 transitions. [2021-03-25 22:15:40,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1264 transitions, 38505 flow [2021-03-25 22:15:43,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 1264 transitions, 38389 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-03-25 22:15:43,927 INFO L241 Difference]: Finished difference. Result has 909 places, 1249 transitions, 35682 flow [2021-03-25 22:15:43,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=35520, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35682, PETRI_PLACES=909, PETRI_TRANSITIONS=1249} [2021-03-25 22:15:43,928 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 870 predicate places. [2021-03-25 22:15:43,928 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:43,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 909 places, 1249 transitions, 35682 flow [2021-03-25 22:15:43,928 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 909 places, 1249 transitions, 35682 flow [2021-03-25 22:15:43,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1249 transitions, 35682 flow [2021-03-25 22:15:44,632 INFO L129 PetriNetUnfolder]: 967/2144 cut-off events. [2021-03-25 22:15:44,632 INFO L130 PetriNetUnfolder]: For 347187/347598 co-relation queries the response was YES. [2021-03-25 22:15:44,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40669 conditions, 2144 events. 967/2144 cut-off events. For 347187/347598 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17116 event pairs, 40 based on Foata normal form. 33/2141 useless extension candidates. Maximal degree in co-relation 40301. Up to 590 conditions per place. [2021-03-25 22:15:44,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:45,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:45,172 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:15:45,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1244 [2021-03-25 22:15:45,172 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1249 transitions, 35716 flow [2021-03-25 22:15:45,172 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) [2021-03-25 22:15:45,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:45,172 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] [2021-03-25 22:15:45,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-25 22:15:45,172 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:45,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:45,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1580342911, now seen corresponding path program 12 times [2021-03-25 22:15:45,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:45,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694741414] [2021-03-25 22:15:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:45,180 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:45,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:45,184 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:45,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:45,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:45,221 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:45,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:45,249 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:15:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:15:45,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:45,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:45,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:45,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:45,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:45,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:45,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:45,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:45,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694741414] [2021-03-25 22:15:45,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:45,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:15:45,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896352027] [2021-03-25 22:15:45,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:15:45,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:45,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:15:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:15:45,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-25 22:15:45,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1249 transitions, 35716 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) [2021-03-25 22:15:45,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:45,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-25 22:15:45,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:47,459 INFO L129 PetriNetUnfolder]: 1212/2501 cut-off events. [2021-03-25 22:15:47,459 INFO L130 PetriNetUnfolder]: For 405026/405047 co-relation queries the response was YES. [2021-03-25 22:15:47,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50391 conditions, 2501 events. 1212/2501 cut-off events. For 405026/405047 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 18958 event pairs, 162 based on Foata normal form. 14/2514 useless extension candidates. Maximal degree in co-relation 50022. Up to 2275 conditions per place. [2021-03-25 22:15:47,531 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 1208 selfloop transitions, 49 changer transitions 3/1268 dead transitions. [2021-03-25 22:15:47,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 1268 transitions, 38802 flow [2021-03-25 22:15:47,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:15:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:15:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 457 transitions. [2021-03-25 22:15:47,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20149911816578484 [2021-03-25 22:15:47,532 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 457 transitions. [2021-03-25 22:15:47,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 457 transitions. [2021-03-25 22:15:47,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:47,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 457 transitions. [2021-03-25 22:15:47,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.642857142857146) internal successors, (457), 14 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:47,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:47,533 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:47,534 INFO L185 Difference]: Start difference. First operand has 904 places, 1249 transitions, 35716 flow. Second operand 14 states and 457 transitions. [2021-03-25 22:15:47,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 1268 transitions, 38802 flow [2021-03-25 22:15:50,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1268 transitions, 38540 flow, removed 12 selfloop flow, removed 14 redundant places. [2021-03-25 22:15:50,382 INFO L241 Difference]: Finished difference. Result has 906 places, 1252 transitions, 35646 flow [2021-03-25 22:15:50,382 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35464, PETRI_DIFFERENCE_MINUEND_PLACES=890, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35646, PETRI_PLACES=906, PETRI_TRANSITIONS=1252} [2021-03-25 22:15:50,382 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 867 predicate places. [2021-03-25 22:15:50,382 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:50,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 906 places, 1252 transitions, 35646 flow [2021-03-25 22:15:50,383 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 906 places, 1252 transitions, 35646 flow [2021-03-25 22:15:50,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1252 transitions, 35646 flow [2021-03-25 22:15:51,066 INFO L129 PetriNetUnfolder]: 961/2137 cut-off events. [2021-03-25 22:15:51,067 INFO L130 PetriNetUnfolder]: For 343128/343527 co-relation queries the response was YES. [2021-03-25 22:15:51,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40386 conditions, 2137 events. 961/2137 cut-off events. For 343128/343527 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17048 event pairs, 53 based on Foata normal form. 17/2112 useless extension candidates. Maximal degree in co-relation 40027. Up to 586 conditions per place. [2021-03-25 22:15:51,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:51,327 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:51,327 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:15:51,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 945 [2021-03-25 22:15:51,327 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1252 transitions, 35646 flow [2021-03-25 22:15:51,328 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) [2021-03-25 22:15:51,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:51,328 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:15:51,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-25 22:15:51,328 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:51,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:51,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1703457761, now seen corresponding path program 1 times [2021-03-25 22:15:51,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:51,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345619434] [2021-03-25 22:15:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:51,334 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:51,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:51,339 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:51,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:51,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:51,392 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-25 22:15:51,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:15:51,406 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-25 22:15:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:15:51,433 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-25 22:15:51,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 22:15:51,453 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-25 22:15:51,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:51,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345619434] [2021-03-25 22:15:51,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:51,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:15:51,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363758734] [2021-03-25 22:15:51,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:15:51,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:51,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:15:51,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:15:51,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-25 22:15:51,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1252 transitions, 35646 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) [2021-03-25 22:15:51,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:51,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-25 22:15:51,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:53,462 INFO L129 PetriNetUnfolder]: 1211/2500 cut-off events. [2021-03-25 22:15:53,462 INFO L130 PetriNetUnfolder]: For 402754/402788 co-relation queries the response was YES. [2021-03-25 22:15:53,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50229 conditions, 2500 events. 1211/2500 cut-off events. For 402754/402788 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 18984 event pairs, 177 based on Foata normal form. 19/2517 useless extension candidates. Maximal degree in co-relation 49865. Up to 2280 conditions per place. [2021-03-25 22:15:53,532 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 1210 selfloop transitions, 42 changer transitions 4/1264 dead transitions. [2021-03-25 22:15:53,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 916 places, 1264 transitions, 38392 flow [2021-03-25 22:15:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:15:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:15:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 424 transitions. [2021-03-25 22:15:53,534 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.201329534662868 [2021-03-25 22:15:53,534 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 424 transitions. [2021-03-25 22:15:53,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 424 transitions. [2021-03-25 22:15:53,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:53,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 424 transitions. [2021-03-25 22:15:53,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.61538461538461) internal successors, (424), 13 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:53,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 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) [2021-03-25 22:15:53,535 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 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) [2021-03-25 22:15:53,535 INFO L185 Difference]: Start difference. First operand has 904 places, 1252 transitions, 35646 flow. Second operand 13 states and 424 transitions. [2021-03-25 22:15:53,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 916 places, 1264 transitions, 38392 flow [2021-03-25 22:15:56,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 905 places, 1264 transitions, 38252 flow, removed 22 selfloop flow, removed 11 redundant places. [2021-03-25 22:15:56,467 INFO L241 Difference]: Finished difference. Result has 908 places, 1250 transitions, 35535 flow [2021-03-25 22:15:56,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35523, PETRI_DIFFERENCE_MINUEND_PLACES=893, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=35535, PETRI_PLACES=908, PETRI_TRANSITIONS=1250} [2021-03-25 22:15:56,467 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 869 predicate places. [2021-03-25 22:15:56,467 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:15:56,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 908 places, 1250 transitions, 35535 flow [2021-03-25 22:15:56,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 908 places, 1250 transitions, 35535 flow [2021-03-25 22:15:56,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1250 transitions, 35535 flow [2021-03-25 22:15:57,167 INFO L129 PetriNetUnfolder]: 959/2133 cut-off events. [2021-03-25 22:15:57,167 INFO L130 PetriNetUnfolder]: For 335044/335686 co-relation queries the response was YES. [2021-03-25 22:15:57,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40100 conditions, 2133 events. 959/2133 cut-off events. For 335044/335686 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17110 event pairs, 50 based on Foata normal form. 58/2159 useless extension candidates. Maximal degree in co-relation 39749. Up to 580 conditions per place. [2021-03-25 22:15:57,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:15:57,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:15:57,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:15:57,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 979 [2021-03-25 22:15:57,446 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1250 transitions, 35535 flow [2021-03-25 22:15:57,446 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) [2021-03-25 22:15:57,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:15:57,446 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] [2021-03-25 22:15:57,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-25 22:15:57,447 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:15:57,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:15:57,447 INFO L82 PathProgramCache]: Analyzing trace with hash 546589407, now seen corresponding path program 13 times [2021-03-25 22:15:57,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:15:57,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792818637] [2021-03-25 22:15:57,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:15:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:15:57,468 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:15:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:15:57,473 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:15:57,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:57,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:15:57,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:57,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:15:57,519 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:15:57,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:15:57,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:57,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:15:57,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:15:57,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:15:57,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:15:57,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:15:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:15:57,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792818637] [2021-03-25 22:15:57,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:15:57,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:15:57,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877733299] [2021-03-25 22:15:57,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:15:57,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:15:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:15:57,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:15:57,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-25 22:15:57,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1250 transitions, 35535 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) [2021-03-25 22:15:57,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:15:57,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-25 22:15:57,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:15:59,634 INFO L129 PetriNetUnfolder]: 1210/2497 cut-off events. [2021-03-25 22:15:59,634 INFO L130 PetriNetUnfolder]: For 396233/396254 co-relation queries the response was YES. [2021-03-25 22:15:59,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49959 conditions, 2497 events. 1210/2497 cut-off events. For 396233/396254 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18950 event pairs, 161 based on Foata normal form. 18/2514 useless extension candidates. Maximal degree in co-relation 49606. Up to 2231 conditions per place. [2021-03-25 22:15:59,702 INFO L132 encePairwiseOnDemand]: 144/162 looper letters, 1165 selfloop transitions, 84 changer transitions 2/1259 dead transitions. [2021-03-25 22:15:59,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 1259 transitions, 38238 flow [2021-03-25 22:15:59,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:15:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:15:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 463 transitions. [2021-03-25 22:15:59,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20414462081128748 [2021-03-25 22:15:59,703 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 463 transitions. [2021-03-25 22:15:59,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 463 transitions. [2021-03-25 22:15:59,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:15:59,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 463 transitions. [2021-03-25 22:15:59,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.07142857142857) internal successors, (463), 14 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) [2021-03-25 22:15:59,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:59,705 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:15:59,705 INFO L185 Difference]: Start difference. First operand has 904 places, 1250 transitions, 35535 flow. Second operand 14 states and 463 transitions. [2021-03-25 22:15:59,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 1259 transitions, 38238 flow [2021-03-25 22:16:02,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 1259 transitions, 38147 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-03-25 22:16:02,603 INFO L241 Difference]: Finished difference. Result has 909 places, 1250 transitions, 35619 flow [2021-03-25 22:16:02,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35444, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35619, PETRI_PLACES=909, PETRI_TRANSITIONS=1250} [2021-03-25 22:16:02,604 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 870 predicate places. [2021-03-25 22:16:02,604 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:02,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 909 places, 1250 transitions, 35619 flow [2021-03-25 22:16:02,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 909 places, 1250 transitions, 35619 flow [2021-03-25 22:16:02,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 907 places, 1250 transitions, 35619 flow [2021-03-25 22:16:03,266 INFO L129 PetriNetUnfolder]: 964/2140 cut-off events. [2021-03-25 22:16:03,266 INFO L130 PetriNetUnfolder]: For 345525/346022 co-relation queries the response was YES. [2021-03-25 22:16:03,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40306 conditions, 2140 events. 964/2140 cut-off events. For 345525/346022 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17090 event pairs, 41 based on Foata normal form. 56/2162 useless extension candidates. Maximal degree in co-relation 39947. Up to 581 conditions per place. [2021-03-25 22:16:03,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:16:03,525 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:03,525 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:03,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 922 [2021-03-25 22:16:03,526 INFO L480 AbstractCegarLoop]: Abstraction has has 907 places, 1250 transitions, 35619 flow [2021-03-25 22:16:03,526 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) [2021-03-25 22:16:03,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:03,526 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] [2021-03-25 22:16:03,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-25 22:16:03,526 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:03,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1829308421, now seen corresponding path program 14 times [2021-03-25 22:16:03,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:03,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460558698] [2021-03-25 22:16:03,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:03,544 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:03,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:03,549 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:03,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:03,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:03,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:03,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:03,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:03,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:03,595 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:03,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:03,628 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:03,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:03,663 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:03,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:03,698 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:16:03,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:16:03,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:03,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:16:03,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:03,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460558698] [2021-03-25 22:16:03,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:03,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:03,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618073913] [2021-03-25 22:16:03,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:03,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:03,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:03,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:03,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-25 22:16:03,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 907 places, 1250 transitions, 35619 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) [2021-03-25 22:16:03,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:03,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-25 22:16:03,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:05,793 INFO L129 PetriNetUnfolder]: 1209/2504 cut-off events. [2021-03-25 22:16:05,793 INFO L130 PetriNetUnfolder]: For 398578/398599 co-relation queries the response was YES. [2021-03-25 22:16:05,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50198 conditions, 2504 events. 1209/2504 cut-off events. For 398578/398599 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19047 event pairs, 144 based on Foata normal form. 14/2517 useless extension candidates. Maximal degree in co-relation 49830. Up to 2279 conditions per place. [2021-03-25 22:16:05,860 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 1207 selfloop transitions, 49 changer transitions 2/1266 dead transitions. [2021-03-25 22:16:05,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1266 transitions, 38475 flow [2021-03-25 22:16:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:16:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:16:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 483 transitions. [2021-03-25 22:16:05,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19876543209876543 [2021-03-25 22:16:05,862 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 483 transitions. [2021-03-25 22:16:05,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 483 transitions. [2021-03-25 22:16:05,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:05,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 483 transitions. [2021-03-25 22:16:05,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.2) internal successors, (483), 15 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:05,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 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) [2021-03-25 22:16:05,863 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 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) [2021-03-25 22:16:05,863 INFO L185 Difference]: Start difference. First operand has 907 places, 1250 transitions, 35619 flow. Second operand 15 states and 483 transitions. [2021-03-25 22:16:05,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1266 transitions, 38475 flow [2021-03-25 22:16:08,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 1266 transitions, 38299 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-25 22:16:08,604 INFO L241 Difference]: Finished difference. Result has 912 places, 1253 transitions, 35658 flow [2021-03-25 22:16:08,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35445, PETRI_DIFFERENCE_MINUEND_PLACES=895, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35658, PETRI_PLACES=912, PETRI_TRANSITIONS=1253} [2021-03-25 22:16:08,605 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 873 predicate places. [2021-03-25 22:16:08,605 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:08,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 912 places, 1253 transitions, 35658 flow [2021-03-25 22:16:08,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 912 places, 1253 transitions, 35658 flow [2021-03-25 22:16:08,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 911 places, 1253 transitions, 35658 flow [2021-03-25 22:16:09,249 INFO L129 PetriNetUnfolder]: 958/2141 cut-off events. [2021-03-25 22:16:09,249 INFO L130 PetriNetUnfolder]: For 344646/345159 co-relation queries the response was YES. [2021-03-25 22:16:09,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40344 conditions, 2141 events. 958/2141 cut-off events. For 344646/345159 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17200 event pairs, 47 based on Foata normal form. 44/2152 useless extension candidates. Maximal degree in co-relation 39980. Up to 579 conditions per place. [2021-03-25 22:16:09,348 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-25 22:16:09,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:09,783 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:16:09,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1179 [2021-03-25 22:16:09,784 INFO L480 AbstractCegarLoop]: Abstraction has has 910 places, 1252 transitions, 35652 flow [2021-03-25 22:16:09,784 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) [2021-03-25 22:16:09,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:09,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:16:09,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-25 22:16:09,784 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:09,784 INFO L82 PathProgramCache]: Analyzing trace with hash 541337855, now seen corresponding path program 15 times [2021-03-25 22:16:09,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:09,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518563275] [2021-03-25 22:16:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:09,791 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:09,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:09,795 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:09,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:09,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:09,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:09,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:09,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:09,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:09,831 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:16:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:16:09,857 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:09,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:09,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:09,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:09,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:09,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:09,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:09,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:16:09,924 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:09,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:09,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518563275] [2021-03-25 22:16:09,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:09,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:09,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325581962] [2021-03-25 22:16:09,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:09,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:09,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:09,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:09,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-25 22:16:09,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 910 places, 1252 transitions, 35652 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) [2021-03-25 22:16:09,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:09,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-25 22:16:09,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:12,122 INFO L129 PetriNetUnfolder]: 1208/2502 cut-off events. [2021-03-25 22:16:12,123 INFO L130 PetriNetUnfolder]: For 409243/409264 co-relation queries the response was YES. [2021-03-25 22:16:12,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50342 conditions, 2502 events. 1208/2502 cut-off events. For 409243/409264 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 19007 event pairs, 162 based on Foata normal form. 18/2519 useless extension candidates. Maximal degree in co-relation 49972. Up to 2229 conditions per place. [2021-03-25 22:16:12,190 INFO L132 encePairwiseOnDemand]: 145/163 looper letters, 1166 selfloop transitions, 86 changer transitions 2/1262 dead transitions. [2021-03-25 22:16:12,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 924 places, 1262 transitions, 38380 flow [2021-03-25 22:16:12,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:16:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:16:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 492 transitions. [2021-03-25 22:16:12,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20122699386503068 [2021-03-25 22:16:12,192 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 492 transitions. [2021-03-25 22:16:12,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 492 transitions. [2021-03-25 22:16:12,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:12,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 492 transitions. [2021-03-25 22:16:12,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.8) internal successors, (492), 15 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:12,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:12,193 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:12,193 INFO L185 Difference]: Start difference. First operand has 910 places, 1252 transitions, 35652 flow. Second operand 15 states and 492 transitions. [2021-03-25 22:16:12,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 924 places, 1262 transitions, 38380 flow [2021-03-25 22:16:14,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 912 places, 1262 transitions, 38185 flow, removed 49 selfloop flow, removed 12 redundant places. [2021-03-25 22:16:15,017 INFO L241 Difference]: Finished difference. Result has 914 places, 1252 transitions, 35639 flow [2021-03-25 22:16:15,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35457, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35639, PETRI_PLACES=914, PETRI_TRANSITIONS=1252} [2021-03-25 22:16:15,018 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 875 predicate places. [2021-03-25 22:16:15,018 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:15,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 914 places, 1252 transitions, 35639 flow [2021-03-25 22:16:15,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 914 places, 1252 transitions, 35639 flow [2021-03-25 22:16:15,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 912 places, 1252 transitions, 35639 flow [2021-03-25 22:16:15,691 INFO L129 PetriNetUnfolder]: 958/2139 cut-off events. [2021-03-25 22:16:15,691 INFO L130 PetriNetUnfolder]: For 347929/348479 co-relation queries the response was YES. [2021-03-25 22:16:15,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40403 conditions, 2139 events. 958/2139 cut-off events. For 347929/348479 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17222 event pairs, 49 based on Foata normal form. 49/2152 useless extension candidates. Maximal degree in co-relation 40039. Up to 579 conditions per place. [2021-03-25 22:16:15,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-25 22:16:15,953 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:15,953 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:15,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 935 [2021-03-25 22:16:15,954 INFO L480 AbstractCegarLoop]: Abstraction has has 912 places, 1252 transitions, 35639 flow [2021-03-25 22:16:15,954 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) [2021-03-25 22:16:15,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:15,954 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:16:15,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-25 22:16:15,954 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash -890678499, now seen corresponding path program 1 times [2021-03-25 22:16:15,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:15,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394253419] [2021-03-25 22:16:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:15,961 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:15,965 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:15,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:15,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:15,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:16,002 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:16,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:16,029 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:16,057 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:16,086 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:16:16,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:16:16,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:16,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:16,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394253419] [2021-03-25 22:16:16,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:16,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:16:16,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86175107] [2021-03-25 22:16:16,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:16:16,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:16,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:16:16,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:16:16,119 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-25 22:16:16,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 912 places, 1252 transitions, 35639 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) [2021-03-25 22:16:16,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:16,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-25 22:16:16,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:18,165 INFO L129 PetriNetUnfolder]: 1208/2495 cut-off events. [2021-03-25 22:16:18,165 INFO L130 PetriNetUnfolder]: For 415738/415759 co-relation queries the response was YES. [2021-03-25 22:16:18,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50506 conditions, 2495 events. 1208/2495 cut-off events. For 415738/415759 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 18917 event pairs, 150 based on Foata normal form. 18/2512 useless extension candidates. Maximal degree in co-relation 50140. Up to 2222 conditions per place. [2021-03-25 22:16:18,235 INFO L132 encePairwiseOnDemand]: 140/163 looper letters, 1143 selfloop transitions, 110 changer transitions 2/1263 dead transitions. [2021-03-25 22:16:18,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 926 places, 1263 transitions, 38522 flow [2021-03-25 22:16:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:16:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:16:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 500 transitions. [2021-03-25 22:16:18,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20449897750511248 [2021-03-25 22:16:18,237 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 500 transitions. [2021-03-25 22:16:18,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 500 transitions. [2021-03-25 22:16:18,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:18,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 500 transitions. [2021-03-25 22:16:18,237 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) [2021-03-25 22:16:18,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:18,238 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:18,238 INFO L185 Difference]: Start difference. First operand has 912 places, 1252 transitions, 35639 flow. Second operand 15 states and 500 transitions. [2021-03-25 22:16:18,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 926 places, 1263 transitions, 38522 flow [2021-03-25 22:16:21,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 912 places, 1263 transitions, 38331 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-25 22:16:21,170 INFO L241 Difference]: Finished difference. Result has 913 places, 1250 transitions, 35680 flow [2021-03-25 22:16:21,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35456, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35680, PETRI_PLACES=913, PETRI_TRANSITIONS=1250} [2021-03-25 22:16:21,170 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 874 predicate places. [2021-03-25 22:16:21,170 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:21,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 913 places, 1250 transitions, 35680 flow [2021-03-25 22:16:21,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 913 places, 1250 transitions, 35680 flow [2021-03-25 22:16:21,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 910 places, 1250 transitions, 35680 flow [2021-03-25 22:16:21,851 INFO L129 PetriNetUnfolder]: 968/2144 cut-off events. [2021-03-25 22:16:21,851 INFO L130 PetriNetUnfolder]: For 353989/354408 co-relation queries the response was YES. [2021-03-25 22:16:21,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40775 conditions, 2144 events. 968/2144 cut-off events. For 353989/354408 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17138 event pairs, 47 based on Foata normal form. 22/2128 useless extension candidates. Maximal degree in co-relation 40405. Up to 586 conditions per place. [2021-03-25 22:16:21,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:16:22,115 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:22,115 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:22,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 946 [2021-03-25 22:16:22,116 INFO L480 AbstractCegarLoop]: Abstraction has has 910 places, 1250 transitions, 35680 flow [2021-03-25 22:16:22,116 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) [2021-03-25 22:16:22,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:22,116 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] [2021-03-25 22:16:22,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-25 22:16:22,116 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:22,116 INFO L82 PathProgramCache]: Analyzing trace with hash -827012275, now seen corresponding path program 16 times [2021-03-25 22:16:22,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:22,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633553129] [2021-03-25 22:16:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:22,122 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:22,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:22,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:22,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:22,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:22,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:22,163 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:22,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:22,190 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:22,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:22,217 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:22,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:22,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:22,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:16:22,272 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:22,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633553129] [2021-03-25 22:16:22,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:22,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:22,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602497135] [2021-03-25 22:16:22,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:22,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:22,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:22,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:22,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-25 22:16:22,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 910 places, 1250 transitions, 35680 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) [2021-03-25 22:16:22,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:22,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-25 22:16:22,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:24,263 INFO L129 PetriNetUnfolder]: 1207/2495 cut-off events. [2021-03-25 22:16:24,263 INFO L130 PetriNetUnfolder]: For 405217/405221 co-relation queries the response was YES. [2021-03-25 22:16:24,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50341 conditions, 2495 events. 1207/2495 cut-off events. For 405217/405221 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18916 event pairs, 169 based on Foata normal form. 5/2499 useless extension candidates. Maximal degree in co-relation 49970. Up to 2275 conditions per place. [2021-03-25 22:16:24,330 INFO L132 encePairwiseOnDemand]: 148/163 looper letters, 1205 selfloop transitions, 46 changer transitions 3/1262 dead transitions. [2021-03-25 22:16:24,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 923 places, 1262 transitions, 38491 flow [2021-03-25 22:16:24,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:16:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:16:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-25 22:16:24,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19894829097283084 [2021-03-25 22:16:24,332 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-25 22:16:24,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-25 22:16:24,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:24,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-25 22:16:24,332 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) [2021-03-25 22:16:24,333 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) [2021-03-25 22:16:24,333 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) [2021-03-25 22:16:24,333 INFO L185 Difference]: Start difference. First operand has 910 places, 1250 transitions, 35680 flow. Second operand 14 states and 454 transitions. [2021-03-25 22:16:24,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 923 places, 1262 transitions, 38491 flow [2021-03-25 22:16:27,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 1262 transitions, 38253 flow, removed 1 selfloop flow, removed 14 redundant places. [2021-03-25 22:16:27,310 INFO L241 Difference]: Finished difference. Result has 911 places, 1249 transitions, 35508 flow [2021-03-25 22:16:27,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35442, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35508, PETRI_PLACES=911, PETRI_TRANSITIONS=1249} [2021-03-25 22:16:27,310 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 872 predicate places. [2021-03-25 22:16:27,310 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:27,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 1249 transitions, 35508 flow [2021-03-25 22:16:27,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 1249 transitions, 35508 flow [2021-03-25 22:16:27,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 909 places, 1249 transitions, 35508 flow [2021-03-25 22:16:27,983 INFO L129 PetriNetUnfolder]: 957/2130 cut-off events. [2021-03-25 22:16:27,983 INFO L130 PetriNetUnfolder]: For 347132/347684 co-relation queries the response was YES. [2021-03-25 22:16:28,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40227 conditions, 2130 events. 957/2130 cut-off events. For 347132/347684 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 16992 event pairs, 46 based on Foata normal form. 60/2157 useless extension candidates. Maximal degree in co-relation 39866. Up to 579 conditions per place. [2021-03-25 22:16:28,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:16:28,239 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:28,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:28,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 930 [2021-03-25 22:16:28,240 INFO L480 AbstractCegarLoop]: Abstraction has has 909 places, 1249 transitions, 35508 flow [2021-03-25 22:16:28,240 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) [2021-03-25 22:16:28,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:28,240 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] [2021-03-25 22:16:28,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-25 22:16:28,240 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:28,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:28,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1221898111, now seen corresponding path program 17 times [2021-03-25 22:16:28,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:28,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258208325] [2021-03-25 22:16:28,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:28,246 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:28,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:28,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:28,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:28,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:28,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:28,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:28,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:28,298 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:28,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:28,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:28,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:28,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:28,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:16:28,364 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:28,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:28,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258208325] [2021-03-25 22:16:28,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:28,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:28,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241911818] [2021-03-25 22:16:28,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:28,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:28,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:28,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:28,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-25 22:16:28,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 909 places, 1249 transitions, 35508 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) [2021-03-25 22:16:28,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:28,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-25 22:16:28,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:30,367 INFO L129 PetriNetUnfolder]: 1206/2488 cut-off events. [2021-03-25 22:16:30,367 INFO L130 PetriNetUnfolder]: For 417767/417795 co-relation queries the response was YES. [2021-03-25 22:16:30,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50420 conditions, 2488 events. 1206/2488 cut-off events. For 417767/417795 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18876 event pairs, 152 based on Foata normal form. 21/2508 useless extension candidates. Maximal degree in co-relation 50054. Up to 2274 conditions per place. [2021-03-25 22:16:30,435 INFO L132 encePairwiseOnDemand]: 148/163 looper letters, 1208 selfloop transitions, 45 changer transitions 2/1263 dead transitions. [2021-03-25 22:16:30,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 1263 transitions, 38453 flow [2021-03-25 22:16:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:16:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:16:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-25 22:16:30,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19851007887817704 [2021-03-25 22:16:30,437 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-25 22:16:30,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-25 22:16:30,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:30,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-25 22:16:30,437 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) [2021-03-25 22:16:30,438 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) [2021-03-25 22:16:30,438 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) [2021-03-25 22:16:30,438 INFO L185 Difference]: Start difference. First operand has 909 places, 1249 transitions, 35508 flow. Second operand 14 states and 453 transitions. [2021-03-25 22:16:30,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 1263 transitions, 38453 flow [2021-03-25 22:16:33,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 1263 transitions, 38330 flow, removed 14 selfloop flow, removed 13 redundant places. [2021-03-25 22:16:33,327 INFO L241 Difference]: Finished difference. Result has 911 places, 1250 transitions, 35520 flow [2021-03-25 22:16:33,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35401, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35520, PETRI_PLACES=911, PETRI_TRANSITIONS=1250} [2021-03-25 22:16:33,327 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 872 predicate places. [2021-03-25 22:16:33,327 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:33,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 1250 transitions, 35520 flow [2021-03-25 22:16:33,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 1250 transitions, 35520 flow [2021-03-25 22:16:33,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 909 places, 1250 transitions, 35520 flow [2021-03-25 22:16:33,997 INFO L129 PetriNetUnfolder]: 956/2129 cut-off events. [2021-03-25 22:16:33,997 INFO L130 PetriNetUnfolder]: For 347357/347804 co-relation queries the response was YES. [2021-03-25 22:16:34,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40294 conditions, 2129 events. 956/2129 cut-off events. For 347357/347804 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17093 event pairs, 49 based on Foata normal form. 35/2126 useless extension candidates. Maximal degree in co-relation 39934. Up to 582 conditions per place. [2021-03-25 22:16:34,080 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-25 22:16:34,258 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:34,258 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:34,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-03-25 22:16:34,258 INFO L480 AbstractCegarLoop]: Abstraction has has 909 places, 1250 transitions, 35520 flow [2021-03-25 22:16:34,258 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) [2021-03-25 22:16:34,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:34,258 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] [2021-03-25 22:16:34,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-25 22:16:34,258 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1680058582, now seen corresponding path program 1 times [2021-03-25 22:16:34,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:34,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070232900] [2021-03-25 22:16:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:34,270 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:34,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:34,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:34,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:34,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:34,311 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:16:34,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:16:34,333 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:16:34,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:16:34,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:34,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:16:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:34,384 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:16:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:34,399 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:34,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:34,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070232900] [2021-03-25 22:16:34,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:34,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:34,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594526352] [2021-03-25 22:16:34,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:34,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:34,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:34,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:34,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-25 22:16:34,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 909 places, 1250 transitions, 35520 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) [2021-03-25 22:16:34,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:34,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-25 22:16:34,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:36,466 INFO L129 PetriNetUnfolder]: 1217/2515 cut-off events. [2021-03-25 22:16:36,466 INFO L130 PetriNetUnfolder]: For 414501/414522 co-relation queries the response was YES. [2021-03-25 22:16:36,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50780 conditions, 2515 events. 1217/2515 cut-off events. For 414501/414522 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 19182 event pairs, 137 based on Foata normal form. 18/2532 useless extension candidates. Maximal degree in co-relation 50415. Up to 2143 conditions per place. [2021-03-25 22:16:36,535 INFO L132 encePairwiseOnDemand]: 143/163 looper letters, 1137 selfloop transitions, 162 changer transitions 4/1311 dead transitions. [2021-03-25 22:16:36,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 924 places, 1311 transitions, 40247 flow [2021-03-25 22:16:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:16:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:16:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-25 22:16:36,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2062883435582822 [2021-03-25 22:16:36,537 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-25 22:16:36,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-25 22:16:36,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:36,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-25 22:16:36,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 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) [2021-03-25 22:16:36,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 163.0) internal successors, (2771), 17 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:36,538 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 163.0) internal successors, (2771), 17 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:36,538 INFO L185 Difference]: Start difference. First operand has 909 places, 1250 transitions, 35520 flow. Second operand 16 states and 538 transitions. [2021-03-25 22:16:36,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 924 places, 1311 transitions, 40247 flow [2021-03-25 22:16:39,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 913 places, 1311 transitions, 40091 flow, removed 35 selfloop flow, removed 11 redundant places. [2021-03-25 22:16:39,619 INFO L241 Difference]: Finished difference. Result has 918 places, 1260 transitions, 36322 flow [2021-03-25 22:16:39,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35364, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1089, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=36322, PETRI_PLACES=918, PETRI_TRANSITIONS=1260} [2021-03-25 22:16:39,620 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 879 predicate places. [2021-03-25 22:16:39,620 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:39,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 918 places, 1260 transitions, 36322 flow [2021-03-25 22:16:39,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 918 places, 1260 transitions, 36322 flow [2021-03-25 22:16:39,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 917 places, 1260 transitions, 36322 flow [2021-03-25 22:16:40,313 INFO L129 PetriNetUnfolder]: 968/2156 cut-off events. [2021-03-25 22:16:40,313 INFO L130 PetriNetUnfolder]: For 356939/357392 co-relation queries the response was YES. [2021-03-25 22:16:40,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41125 conditions, 2156 events. 968/2156 cut-off events. For 356939/357392 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 17337 event pairs, 43 based on Foata normal form. 35/2153 useless extension candidates. Maximal degree in co-relation 40751. Up to 585 conditions per place. [2021-03-25 22:16:40,397 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:16:40,572 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:40,572 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:40,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 952 [2021-03-25 22:16:40,573 INFO L480 AbstractCegarLoop]: Abstraction has has 917 places, 1260 transitions, 36322 flow [2021-03-25 22:16:40,573 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) [2021-03-25 22:16:40,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:40,573 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] [2021-03-25 22:16:40,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-25 22:16:40,573 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:40,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:40,573 INFO L82 PathProgramCache]: Analyzing trace with hash -972932601, now seen corresponding path program 18 times [2021-03-25 22:16:40,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:40,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55155021] [2021-03-25 22:16:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:40,579 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:40,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:40,584 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:40,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:40,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:40,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:40,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:40,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:40,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:40,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:40,632 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:40,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:40,659 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:40,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:40,687 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:16:40,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:16:40,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:40,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:16:40,731 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:40,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:40,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55155021] [2021-03-25 22:16:40,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:40,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:40,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280561595] [2021-03-25 22:16:40,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:40,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:40,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:40,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:40,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-25 22:16:40,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 917 places, 1260 transitions, 36322 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) [2021-03-25 22:16:40,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:40,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-25 22:16:40,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:42,737 INFO L129 PetriNetUnfolder]: 1216/2526 cut-off events. [2021-03-25 22:16:42,737 INFO L130 PetriNetUnfolder]: For 427446/427450 co-relation queries the response was YES. [2021-03-25 22:16:42,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51067 conditions, 2526 events. 1216/2526 cut-off events. For 427446/427450 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19281 event pairs, 174 based on Foata normal form. 5/2530 useless extension candidates. Maximal degree in co-relation 50692. Up to 2305 conditions per place. [2021-03-25 22:16:42,807 INFO L132 encePairwiseOnDemand]: 148/163 looper letters, 1219 selfloop transitions, 45 changer transitions 2/1274 dead transitions. [2021-03-25 22:16:42,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 1274 transitions, 39111 flow [2021-03-25 22:16:42,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:16:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:16:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-25 22:16:42,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19631901840490798 [2021-03-25 22:16:42,808 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-25 22:16:42,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-25 22:16:42,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:42,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-25 22:16:42,809 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) [2021-03-25 22:16:42,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:42,810 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:42,810 INFO L185 Difference]: Start difference. First operand has 917 places, 1260 transitions, 36322 flow. Second operand 15 states and 480 transitions. [2021-03-25 22:16:42,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 1274 transitions, 39111 flow [2021-03-25 22:16:46,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 920 places, 1274 transitions, 38508 flow, removed 179 selfloop flow, removed 11 redundant places. [2021-03-25 22:16:46,023 INFO L241 Difference]: Finished difference. Result has 924 places, 1263 transitions, 35930 flow [2021-03-25 22:16:46,023 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35721, PETRI_DIFFERENCE_MINUEND_PLACES=906, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35930, PETRI_PLACES=924, PETRI_TRANSITIONS=1263} [2021-03-25 22:16:46,023 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 885 predicate places. [2021-03-25 22:16:46,023 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:46,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 924 places, 1263 transitions, 35930 flow [2021-03-25 22:16:46,024 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 924 places, 1263 transitions, 35930 flow [2021-03-25 22:16:46,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 923 places, 1263 transitions, 35930 flow [2021-03-25 22:16:46,737 INFO L129 PetriNetUnfolder]: 970/2172 cut-off events. [2021-03-25 22:16:46,737 INFO L130 PetriNetUnfolder]: For 353038/353455 co-relation queries the response was YES. [2021-03-25 22:16:46,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40981 conditions, 2172 events. 970/2172 cut-off events. For 353038/353455 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 17544 event pairs, 47 based on Foata normal form. 56/2192 useless extension candidates. Maximal degree in co-relation 40612. Up to 579 conditions per place. [2021-03-25 22:16:46,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:16:47,283 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:47,283 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:16:47,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1260 [2021-03-25 22:16:47,283 INFO L480 AbstractCegarLoop]: Abstraction has has 922 places, 1262 transitions, 35922 flow [2021-03-25 22:16:47,283 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) [2021-03-25 22:16:47,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:47,284 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] [2021-03-25 22:16:47,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-25 22:16:47,284 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:47,284 INFO L82 PathProgramCache]: Analyzing trace with hash 665713999, now seen corresponding path program 19 times [2021-03-25 22:16:47,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:47,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044230134] [2021-03-25 22:16:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:47,290 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:47,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:47,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:47,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:47,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:47,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:47,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:47,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:47,345 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:47,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:47,373 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:47,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:47,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:47,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:47,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:47,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:16:47,431 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:47,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:47,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044230134] [2021-03-25 22:16:47,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:47,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:16:47,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798132488] [2021-03-25 22:16:47,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:16:47,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:47,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:16:47,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:16:47,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-25 22:16:47,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1262 transitions, 35922 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) [2021-03-25 22:16:47,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:47,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-25 22:16:47,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:49,531 INFO L129 PetriNetUnfolder]: 1215/2517 cut-off events. [2021-03-25 22:16:49,531 INFO L130 PetriNetUnfolder]: For 426543/426571 co-relation queries the response was YES. [2021-03-25 22:16:49,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50905 conditions, 2517 events. 1215/2517 cut-off events. For 426543/426571 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19183 event pairs, 185 based on Foata normal form. 21/2537 useless extension candidates. Maximal degree in co-relation 50530. Up to 2305 conditions per place. [2021-03-25 22:16:49,603 INFO L132 encePairwiseOnDemand]: 148/164 looper letters, 1218 selfloop transitions, 44 changer transitions 2/1272 dead transitions. [2021-03-25 22:16:49,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 1272 transitions, 38671 flow [2021-03-25 22:16:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:16:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:16:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 452 transitions. [2021-03-25 22:16:49,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19686411149825783 [2021-03-25 22:16:49,604 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 452 transitions. [2021-03-25 22:16:49,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 452 transitions. [2021-03-25 22:16:49,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:49,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 452 transitions. [2021-03-25 22:16:49,605 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) [2021-03-25 22:16:49,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 164.0) internal successors, (2460), 15 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:49,606 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 164.0) internal successors, (2460), 15 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:49,606 INFO L185 Difference]: Start difference. First operand has 922 places, 1262 transitions, 35922 flow. Second operand 14 states and 452 transitions. [2021-03-25 22:16:49,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 1272 transitions, 38671 flow [2021-03-25 22:16:52,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 1272 transitions, 38455 flow, removed 50 selfloop flow, removed 14 redundant places. [2021-03-25 22:16:52,783 INFO L241 Difference]: Finished difference. Result has 923 places, 1262 transitions, 35802 flow [2021-03-25 22:16:52,783 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35708, PETRI_DIFFERENCE_MINUEND_PLACES=908, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35802, PETRI_PLACES=923, PETRI_TRANSITIONS=1262} [2021-03-25 22:16:52,784 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 884 predicate places. [2021-03-25 22:16:52,784 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:52,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 923 places, 1262 transitions, 35802 flow [2021-03-25 22:16:52,784 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 923 places, 1262 transitions, 35802 flow [2021-03-25 22:16:52,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 921 places, 1262 transitions, 35802 flow [2021-03-25 22:16:53,484 INFO L129 PetriNetUnfolder]: 967/2165 cut-off events. [2021-03-25 22:16:53,484 INFO L130 PetriNetUnfolder]: For 359044/359560 co-relation queries the response was YES. [2021-03-25 22:16:53,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40890 conditions, 2165 events. 967/2165 cut-off events. For 359044/359560 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17367 event pairs, 43 based on Foata normal form. 52/2177 useless extension candidates. Maximal degree in co-relation 40521. Up to 583 conditions per place. [2021-03-25 22:16:53,569 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:16:53,742 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:53,742 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:53,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 958 [2021-03-25 22:16:53,742 INFO L480 AbstractCegarLoop]: Abstraction has has 921 places, 1262 transitions, 35802 flow [2021-03-25 22:16:53,743 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) [2021-03-25 22:16:53,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:53,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:16:53,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-25 22:16:53,743 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:53,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:53,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1707545628, now seen corresponding path program 1 times [2021-03-25 22:16:53,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:53,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336317326] [2021-03-25 22:16:53,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:16:53,749 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:16:53,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:16:53,753 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:16:53,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:16:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:16:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:16:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:16:53,801 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:53,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:53,828 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:16:53,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:16:53,857 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 22:16:53,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 22:16:53,886 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:16:53,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:16:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:16:53,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336317326] [2021-03-25 22:16:53,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:16:53,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:16:53,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391027769] [2021-03-25 22:16:53,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:16:53,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:16:53,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:16:53,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:16:53,889 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-25 22:16:53,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 921 places, 1262 transitions, 35802 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) [2021-03-25 22:16:53,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:16:53,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-25 22:16:53,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:16:55,929 INFO L129 PetriNetUnfolder]: 1215/2513 cut-off events. [2021-03-25 22:16:55,930 INFO L130 PetriNetUnfolder]: For 430574/430595 co-relation queries the response was YES. [2021-03-25 22:16:55,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51001 conditions, 2513 events. 1215/2513 cut-off events. For 430574/430595 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19187 event pairs, 150 based on Foata normal form. 18/2530 useless extension candidates. Maximal degree in co-relation 50630. Up to 2224 conditions per place. [2021-03-25 22:16:56,003 INFO L132 encePairwiseOnDemand]: 141/164 looper letters, 1134 selfloop transitions, 126 changer transitions 3/1271 dead transitions. [2021-03-25 22:16:56,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 1271 transitions, 38618 flow [2021-03-25 22:16:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:16:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:16:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 501 transitions. [2021-03-25 22:16:56,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20365853658536584 [2021-03-25 22:16:56,005 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 501 transitions. [2021-03-25 22:16:56,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 501 transitions. [2021-03-25 22:16:56,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:16:56,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 501 transitions. [2021-03-25 22:16:56,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.4) internal successors, (501), 15 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) [2021-03-25 22:16:56,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 164.0) internal successors, (2624), 16 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:56,006 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 164.0) internal successors, (2624), 16 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:16:56,006 INFO L185 Difference]: Start difference. First operand has 921 places, 1262 transitions, 35802 flow. Second operand 15 states and 501 transitions. [2021-03-25 22:16:56,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 1271 transitions, 38618 flow [2021-03-25 22:16:59,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 1271 transitions, 38515 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-25 22:16:59,040 INFO L241 Difference]: Finished difference. Result has 924 places, 1259 transitions, 35934 flow [2021-03-25 22:16:59,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35699, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35934, PETRI_PLACES=924, PETRI_TRANSITIONS=1259} [2021-03-25 22:16:59,041 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 885 predicate places. [2021-03-25 22:16:59,041 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:16:59,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 924 places, 1259 transitions, 35934 flow [2021-03-25 22:16:59,041 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 924 places, 1259 transitions, 35934 flow [2021-03-25 22:16:59,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 922 places, 1259 transitions, 35934 flow [2021-03-25 22:16:59,735 INFO L129 PetriNetUnfolder]: 961/2146 cut-off events. [2021-03-25 22:16:59,735 INFO L130 PetriNetUnfolder]: For 358335/358769 co-relation queries the response was YES. [2021-03-25 22:16:59,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40795 conditions, 2146 events. 961/2146 cut-off events. For 358335/358769 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 17270 event pairs, 46 based on Foata normal form. 34/2147 useless extension candidates. Maximal degree in co-relation 40436. Up to 579 conditions per place. [2021-03-25 22:16:59,821 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:16:59,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:16:59,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:16:59,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 955 [2021-03-25 22:16:59,996 INFO L480 AbstractCegarLoop]: Abstraction has has 922 places, 1259 transitions, 35934 flow [2021-03-25 22:16:59,996 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) [2021-03-25 22:16:59,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:16:59,996 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] [2021-03-25 22:16:59,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-25 22:16:59,996 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:16:59,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:16:59,996 INFO L82 PathProgramCache]: Analyzing trace with hash 101509143, now seen corresponding path program 20 times [2021-03-25 22:16:59,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:16:59,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93746961] [2021-03-25 22:16:59,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:16:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:00,002 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:00,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:00,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:00,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:00,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:00,043 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-25 22:17:00,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:00,068 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-25 22:17:00,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 22:17:00,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:00,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:00,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:00,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:17:00,136 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:17:00,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:00,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93746961] [2021-03-25 22:17:00,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:00,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:17:00,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320815307] [2021-03-25 22:17:00,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:17:00,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:00,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:17:00,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:17:00,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-25 22:17:00,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1259 transitions, 35934 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) [2021-03-25 22:17:00,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:00,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-25 22:17:00,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:02,252 INFO L129 PetriNetUnfolder]: 1214/2513 cut-off events. [2021-03-25 22:17:02,252 INFO L130 PetriNetUnfolder]: For 429951/429972 co-relation queries the response was YES. [2021-03-25 22:17:02,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51182 conditions, 2513 events. 1214/2513 cut-off events. For 429951/429972 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19172 event pairs, 160 based on Foata normal form. 18/2530 useless extension candidates. Maximal degree in co-relation 50821. Up to 2244 conditions per place. [2021-03-25 22:17:02,325 INFO L132 encePairwiseOnDemand]: 146/164 looper letters, 1176 selfloop transitions, 85 changer transitions 6/1275 dead transitions. [2021-03-25 22:17:02,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 1275 transitions, 38920 flow [2021-03-25 22:17:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:17:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:17:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 521 transitions. [2021-03-25 22:17:02,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19855182926829268 [2021-03-25 22:17:02,327 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 521 transitions. [2021-03-25 22:17:02,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 521 transitions. [2021-03-25 22:17:02,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:02,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 521 transitions. [2021-03-25 22:17:02,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.5625) internal successors, (521), 16 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:02,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 164.0) internal successors, (2788), 17 states have internal predecessors, (2788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:02,329 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 164.0) internal successors, (2788), 17 states have internal predecessors, (2788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:02,329 INFO L185 Difference]: Start difference. First operand has 922 places, 1259 transitions, 35934 flow. Second operand 16 states and 521 transitions. [2021-03-25 22:17:02,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 1275 transitions, 38920 flow [2021-03-25 22:17:05,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 919 places, 1275 transitions, 38597 flow, removed 8 selfloop flow, removed 18 redundant places. [2021-03-25 22:17:05,529 INFO L241 Difference]: Finished difference. Result has 922 places, 1259 transitions, 35813 flow [2021-03-25 22:17:05,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35629, PETRI_DIFFERENCE_MINUEND_PLACES=904, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35813, PETRI_PLACES=922, PETRI_TRANSITIONS=1259} [2021-03-25 22:17:05,529 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 883 predicate places. [2021-03-25 22:17:05,529 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:05,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 922 places, 1259 transitions, 35813 flow [2021-03-25 22:17:05,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 922 places, 1259 transitions, 35813 flow [2021-03-25 22:17:05,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 920 places, 1259 transitions, 35813 flow [2021-03-25 22:17:06,228 INFO L129 PetriNetUnfolder]: 965/2153 cut-off events. [2021-03-25 22:17:06,228 INFO L130 PetriNetUnfolder]: For 335010/335356 co-relation queries the response was YES. [2021-03-25 22:17:06,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40653 conditions, 2153 events. 965/2153 cut-off events. For 335010/335356 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 17194 event pairs, 53 based on Foata normal form. 39/2154 useless extension candidates. Maximal degree in co-relation 40288. Up to 578 conditions per place. [2021-03-25 22:17:06,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-25 22:17:06,497 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:06,497 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:06,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 968 [2021-03-25 22:17:06,498 INFO L480 AbstractCegarLoop]: Abstraction has has 920 places, 1259 transitions, 35813 flow [2021-03-25 22:17:06,498 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) [2021-03-25 22:17:06,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:06,498 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] [2021-03-25 22:17:06,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-25 22:17:06,498 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:06,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1376148296, now seen corresponding path program 1 times [2021-03-25 22:17:06,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:06,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433735394] [2021-03-25 22:17:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:06,504 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:06,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:06,509 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:06,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:06,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:06,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:06,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:06,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:06,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:06,558 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:17:06,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:06,581 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:17:06,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:17:06,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:06,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:17:06,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:17:06,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:06,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433735394] [2021-03-25 22:17:06,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:06,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:17:06,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008007179] [2021-03-25 22:17:06,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:17:06,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:17:06,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:17:06,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-25 22:17:06,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 920 places, 1259 transitions, 35813 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) [2021-03-25 22:17:06,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:06,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-25 22:17:06,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:08,627 INFO L129 PetriNetUnfolder]: 1213/2514 cut-off events. [2021-03-25 22:17:08,628 INFO L130 PetriNetUnfolder]: For 420285/420306 co-relation queries the response was YES. [2021-03-25 22:17:08,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50829 conditions, 2514 events. 1213/2514 cut-off events. For 420285/420306 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19178 event pairs, 168 based on Foata normal form. 14/2527 useless extension candidates. Maximal degree in co-relation 50455. Up to 2254 conditions per place. [2021-03-25 22:17:08,699 INFO L132 encePairwiseOnDemand]: 143/164 looper letters, 1175 selfloop transitions, 92 changer transitions 1/1276 dead transitions. [2021-03-25 22:17:08,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 1276 transitions, 38863 flow [2021-03-25 22:17:08,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 22:17:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 22:17:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 552 transitions. [2021-03-25 22:17:08,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19799139167862267 [2021-03-25 22:17:08,700 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 552 transitions. [2021-03-25 22:17:08,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 552 transitions. [2021-03-25 22:17:08,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:08,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 552 transitions. [2021-03-25 22:17:08,701 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) [2021-03-25 22:17:08,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:08,702 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:08,702 INFO L185 Difference]: Start difference. First operand has 920 places, 1259 transitions, 35813 flow. Second operand 17 states and 552 transitions. [2021-03-25 22:17:08,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 1276 transitions, 38863 flow [2021-03-25 22:17:11,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 1276 transitions, 38651 flow, removed 36 selfloop flow, removed 13 redundant places. [2021-03-25 22:17:11,662 INFO L241 Difference]: Finished difference. Result has 926 places, 1260 transitions, 35918 flow [2021-03-25 22:17:11,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35619, PETRI_DIFFERENCE_MINUEND_PLACES=907, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=35918, PETRI_PLACES=926, PETRI_TRANSITIONS=1260} [2021-03-25 22:17:11,662 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 887 predicate places. [2021-03-25 22:17:11,662 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:11,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 926 places, 1260 transitions, 35918 flow [2021-03-25 22:17:11,662 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 926 places, 1260 transitions, 35918 flow [2021-03-25 22:17:11,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 926 places, 1260 transitions, 35918 flow [2021-03-25 22:17:12,314 INFO L129 PetriNetUnfolder]: 959/2154 cut-off events. [2021-03-25 22:17:12,315 INFO L130 PetriNetUnfolder]: For 339197/339782 co-relation queries the response was YES. [2021-03-25 22:17:12,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40177 conditions, 2154 events. 959/2154 cut-off events. For 339197/339782 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17336 event pairs, 40 based on Foata normal form. 63/2188 useless extension candidates. Maximal degree in co-relation 39805. Up to 577 conditions per place. [2021-03-25 22:17:12,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-25 22:17:12,843 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:12,843 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:17:12,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1181 [2021-03-25 22:17:12,843 INFO L480 AbstractCegarLoop]: Abstraction has has 926 places, 1260 transitions, 35940 flow [2021-03-25 22:17:12,843 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) [2021-03-25 22:17:12,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:12,843 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] [2021-03-25 22:17:12,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-25 22:17:12,844 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:12,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:12,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1327588386, now seen corresponding path program 1 times [2021-03-25 22:17:12,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:12,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402838435] [2021-03-25 22:17:12,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:12,849 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:12,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:12,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:12,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:12,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:12,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:12,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:12,890 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:17:12,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:17:12,907 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:17:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:17:12,926 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:17:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:12,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:12,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:12,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:12,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:12,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402838435] [2021-03-25 22:17:12,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:12,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:17:12,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323587474] [2021-03-25 22:17:12,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:17:12,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:12,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:17:12,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:17:12,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:12,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 926 places, 1260 transitions, 35940 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) [2021-03-25 22:17:12,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:12,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:12,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:15,058 INFO L129 PetriNetUnfolder]: 1213/2519 cut-off events. [2021-03-25 22:17:15,059 INFO L130 PetriNetUnfolder]: For 403986/404007 co-relation queries the response was YES. [2021-03-25 22:17:15,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50450 conditions, 2519 events. 1213/2519 cut-off events. For 403986/404007 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19269 event pairs, 142 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 50075. Up to 2163 conditions per place. [2021-03-25 22:17:15,131 INFO L132 encePairwiseOnDemand]: 145/165 looper letters, 1140 selfloop transitions, 149 changer transitions 8/1305 dead transitions. [2021-03-25 22:17:15,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 1305 transitions, 39822 flow [2021-03-25 22:17:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:17:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:17:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 618 transitions. [2021-03-25 22:17:15,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19712918660287082 [2021-03-25 22:17:15,133 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 618 transitions. [2021-03-25 22:17:15,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 618 transitions. [2021-03-25 22:17:15,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:15,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 618 transitions. [2021-03-25 22:17:15,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.526315789473685) internal successors, (618), 19 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:15,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 165.0) internal successors, (3300), 20 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:15,135 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 165.0) internal successors, (3300), 20 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:15,135 INFO L185 Difference]: Start difference. First operand has 926 places, 1260 transitions, 35940 flow. Second operand 19 states and 618 transitions. [2021-03-25 22:17:15,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 1305 transitions, 39822 flow [2021-03-25 22:17:17,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 1305 transitions, 39556 flow, removed 45 selfloop flow, removed 14 redundant places. [2021-03-25 22:17:17,903 INFO L241 Difference]: Finished difference. Result has 934 places, 1258 transitions, 35954 flow [2021-03-25 22:17:17,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35676, PETRI_DIFFERENCE_MINUEND_PLACES=912, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=35954, PETRI_PLACES=934, PETRI_TRANSITIONS=1258} [2021-03-25 22:17:17,903 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 895 predicate places. [2021-03-25 22:17:17,903 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:17,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 934 places, 1258 transitions, 35954 flow [2021-03-25 22:17:17,904 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 934 places, 1258 transitions, 35954 flow [2021-03-25 22:17:17,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 930 places, 1258 transitions, 35954 flow [2021-03-25 22:17:18,562 INFO L129 PetriNetUnfolder]: 963/2162 cut-off events. [2021-03-25 22:17:18,562 INFO L130 PetriNetUnfolder]: For 344049/344683 co-relation queries the response was YES. [2021-03-25 22:17:18,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40695 conditions, 2162 events. 963/2162 cut-off events. For 344049/344683 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17491 event pairs, 42 based on Foata normal form. 61/2193 useless extension candidates. Maximal degree in co-relation 40336. Up to 582 conditions per place. [2021-03-25 22:17:18,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-25 22:17:18,809 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:18,809 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:18,810 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 907 [2021-03-25 22:17:18,810 INFO L480 AbstractCegarLoop]: Abstraction has has 930 places, 1258 transitions, 35954 flow [2021-03-25 22:17:18,810 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) [2021-03-25 22:17:18,810 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:18,810 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:17:18,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-25 22:17:18,810 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:18,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:18,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1974777936, now seen corresponding path program 1 times [2021-03-25 22:17:18,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:18,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736670055] [2021-03-25 22:17:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:18,816 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:18,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:18,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:18,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:18,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:18,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:18,869 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:17:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:18,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736670055] [2021-03-25 22:17:18,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:18,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:17:18,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568990664] [2021-03-25 22:17:18,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:17:18,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:18,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:17:18,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:17:18,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:18,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 1258 transitions, 35954 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) [2021-03-25 22:17:18,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:18,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:18,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:20,858 INFO L129 PetriNetUnfolder]: 1216/2525 cut-off events. [2021-03-25 22:17:20,858 INFO L130 PetriNetUnfolder]: For 402890/402911 co-relation queries the response was YES. [2021-03-25 22:17:20,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50612 conditions, 2525 events. 1216/2525 cut-off events. For 402890/402911 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 19325 event pairs, 144 based on Foata normal form. 18/2542 useless extension candidates. Maximal degree in co-relation 50251. Up to 2270 conditions per place. [2021-03-25 22:17:20,930 INFO L132 encePairwiseOnDemand]: 147/165 looper letters, 1187 selfloop transitions, 78 changer transitions 5/1278 dead transitions. [2021-03-25 22:17:20,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 945 places, 1278 transitions, 39029 flow [2021-03-25 22:17:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:17:20,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:17:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 528 transitions. [2021-03-25 22:17:20,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2 [2021-03-25 22:17:20,932 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 528 transitions. [2021-03-25 22:17:20,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 528 transitions. [2021-03-25 22:17:20,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:20,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 528 transitions. [2021-03-25 22:17:20,932 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) [2021-03-25 22:17:20,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:20,933 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:20,933 INFO L185 Difference]: Start difference. First operand has 930 places, 1258 transitions, 35954 flow. Second operand 16 states and 528 transitions. [2021-03-25 22:17:20,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 945 places, 1278 transitions, 39029 flow [2021-03-25 22:17:23,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 1278 transitions, 38837 flow, removed 5 selfloop flow, removed 16 redundant places. [2021-03-25 22:17:23,784 INFO L241 Difference]: Finished difference. Result has 934 places, 1261 transitions, 36056 flow [2021-03-25 22:17:23,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35762, PETRI_DIFFERENCE_MINUEND_PLACES=914, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=36056, PETRI_PLACES=934, PETRI_TRANSITIONS=1261} [2021-03-25 22:17:23,784 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 895 predicate places. [2021-03-25 22:17:23,785 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:23,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 934 places, 1261 transitions, 36056 flow [2021-03-25 22:17:23,785 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 934 places, 1261 transitions, 36056 flow [2021-03-25 22:17:23,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 932 places, 1261 transitions, 36056 flow [2021-03-25 22:17:24,441 INFO L129 PetriNetUnfolder]: 968/2166 cut-off events. [2021-03-25 22:17:24,441 INFO L130 PetriNetUnfolder]: For 347665/348312 co-relation queries the response was YES. [2021-03-25 22:17:24,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40718 conditions, 2166 events. 968/2166 cut-off events. For 347665/348312 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17491 event pairs, 48 based on Foata normal form. 58/2188 useless extension candidates. Maximal degree in co-relation 40347. Up to 587 conditions per place. [2021-03-25 22:17:24,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-25 22:17:24,689 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:24,689 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:24,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 904 [2021-03-25 22:17:24,689 INFO L480 AbstractCegarLoop]: Abstraction has has 932 places, 1261 transitions, 36056 flow [2021-03-25 22:17:24,689 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) [2021-03-25 22:17:24,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:24,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:17:24,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-25 22:17:24,689 INFO L428 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:24,690 INFO L82 PathProgramCache]: Analyzing trace with hash -899094356, now seen corresponding path program 2 times [2021-03-25 22:17:24,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:24,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226284496] [2021-03-25 22:17:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:24,695 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:24,700 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:24,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:24,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:24,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:24,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:24,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:24,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:24,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:24,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:24,748 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:17:24,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:24,764 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:17:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:24,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:24,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:24,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:24,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:24,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226284496] [2021-03-25 22:17:24,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:24,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:17:24,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981937622] [2021-03-25 22:17:24,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:17:24,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:24,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:17:24,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:17:24,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:24,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 932 places, 1261 transitions, 36056 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) [2021-03-25 22:17:24,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:24,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:24,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:26,785 INFO L129 PetriNetUnfolder]: 1214/2521 cut-off events. [2021-03-25 22:17:26,785 INFO L130 PetriNetUnfolder]: For 402560/402581 co-relation queries the response was YES. [2021-03-25 22:17:26,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50567 conditions, 2521 events. 1214/2521 cut-off events. For 402560/402581 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 19297 event pairs, 147 based on Foata normal form. 18/2538 useless extension candidates. Maximal degree in co-relation 50193. Up to 2180 conditions per place. [2021-03-25 22:17:26,859 INFO L132 encePairwiseOnDemand]: 134/165 looper letters, 1048 selfloop transitions, 211 changer transitions 3/1270 dead transitions. [2021-03-25 22:17:26,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1270 transitions, 38762 flow [2021-03-25 22:17:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:17:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:17:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 587 transitions. [2021-03-25 22:17:26,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19764309764309765 [2021-03-25 22:17:26,860 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 587 transitions. [2021-03-25 22:17:26,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 587 transitions. [2021-03-25 22:17:26,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:26,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 587 transitions. [2021-03-25 22:17:26,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.611111111111114) internal successors, (587), 18 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:26,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 165.0) internal successors, (3135), 19 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) [2021-03-25 22:17:26,862 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 165.0) internal successors, (3135), 19 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) [2021-03-25 22:17:26,862 INFO L185 Difference]: Start difference. First operand has 932 places, 1261 transitions, 36056 flow. Second operand 18 states and 587 transitions. [2021-03-25 22:17:26,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1270 transitions, 38762 flow [2021-03-25 22:17:29,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 1270 transitions, 38532 flow, removed 19 selfloop flow, removed 16 redundant places. [2021-03-25 22:17:29,645 INFO L241 Difference]: Finished difference. Result has 935 places, 1259 transitions, 36361 flow [2021-03-25 22:17:29,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35827, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=36361, PETRI_PLACES=935, PETRI_TRANSITIONS=1259} [2021-03-25 22:17:29,645 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 896 predicate places. [2021-03-25 22:17:29,645 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:29,646 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 935 places, 1259 transitions, 36361 flow [2021-03-25 22:17:29,646 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 935 places, 1259 transitions, 36361 flow [2021-03-25 22:17:29,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 933 places, 1259 transitions, 36361 flow [2021-03-25 22:17:30,303 INFO L129 PetriNetUnfolder]: 964/2159 cut-off events. [2021-03-25 22:17:30,303 INFO L130 PetriNetUnfolder]: For 350447/351099 co-relation queries the response was YES. [2021-03-25 22:17:30,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40825 conditions, 2159 events. 964/2159 cut-off events. For 350447/351099 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17457 event pairs, 46 based on Foata normal form. 63/2195 useless extension candidates. Maximal degree in co-relation 40450. Up to 583 conditions per place. [2021-03-25 22:17:30,388 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-25 22:17:30,556 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:30,556 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:30,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 911 [2021-03-25 22:17:30,556 INFO L480 AbstractCegarLoop]: Abstraction has has 933 places, 1259 transitions, 36361 flow [2021-03-25 22:17:30,556 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) [2021-03-25 22:17:30,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:30,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:17:30,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-25 22:17:30,556 INFO L428 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:30,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:30,557 INFO L82 PathProgramCache]: Analyzing trace with hash -62221728, now seen corresponding path program 3 times [2021-03-25 22:17:30,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:30,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419302725] [2021-03-25 22:17:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:30,588 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:30,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:30,593 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:30,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:30,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:30,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:30,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:30,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:30,656 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-25 22:17:30,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:30,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:30,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:17:30,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:30,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:30,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419302725] [2021-03-25 22:17:30,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:30,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:17:30,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624790870] [2021-03-25 22:17:30,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:17:30,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:30,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:17:30,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:17:30,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:30,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 1259 transitions, 36361 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) [2021-03-25 22:17:30,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:30,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:30,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:32,752 INFO L129 PetriNetUnfolder]: 1214/2519 cut-off events. [2021-03-25 22:17:32,752 INFO L130 PetriNetUnfolder]: For 407107/407128 co-relation queries the response was YES. [2021-03-25 22:17:32,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50784 conditions, 2519 events. 1214/2519 cut-off events. For 407107/407128 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19224 event pairs, 173 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 50406. Up to 2179 conditions per place. [2021-03-25 22:17:32,824 INFO L132 encePairwiseOnDemand]: 134/165 looper letters, 1048 selfloop transitions, 209 changer transitions 6/1271 dead transitions. [2021-03-25 22:17:32,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 1271 transitions, 39140 flow [2021-03-25 22:17:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 22:17:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 22:17:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 641 transitions. [2021-03-25 22:17:32,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19424242424242424 [2021-03-25 22:17:32,826 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 641 transitions. [2021-03-25 22:17:32,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 641 transitions. [2021-03-25 22:17:32,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:32,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 641 transitions. [2021-03-25 22:17:32,827 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) [2021-03-25 22:17:32,828 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) [2021-03-25 22:17:32,828 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) [2021-03-25 22:17:32,828 INFO L185 Difference]: Start difference. First operand has 933 places, 1259 transitions, 36361 flow. Second operand 20 states and 641 transitions. [2021-03-25 22:17:32,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 1271 transitions, 39140 flow [2021-03-25 22:17:35,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 1271 transitions, 38569 flow, removed 3 selfloop flow, removed 17 redundant places. [2021-03-25 22:17:35,622 INFO L241 Difference]: Finished difference. Result has 939 places, 1257 transitions, 36125 flow [2021-03-25 22:17:35,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35792, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=36125, PETRI_PLACES=939, PETRI_TRANSITIONS=1257} [2021-03-25 22:17:35,622 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 900 predicate places. [2021-03-25 22:17:35,622 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:35,622 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 939 places, 1257 transitions, 36125 flow [2021-03-25 22:17:35,622 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 939 places, 1257 transitions, 36125 flow [2021-03-25 22:17:35,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 934 places, 1257 transitions, 36125 flow [2021-03-25 22:17:36,320 INFO L129 PetriNetUnfolder]: 956/2151 cut-off events. [2021-03-25 22:17:36,321 INFO L130 PetriNetUnfolder]: For 336627/337255 co-relation queries the response was YES. [2021-03-25 22:17:36,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40363 conditions, 2151 events. 956/2151 cut-off events. For 336627/337255 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17327 event pairs, 43 based on Foata normal form. 67/2190 useless extension candidates. Maximal degree in co-relation 40001. Up to 578 conditions per place. [2021-03-25 22:17:36,409 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:17:36,589 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:36,589 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:36,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 968 [2021-03-25 22:17:36,590 INFO L480 AbstractCegarLoop]: Abstraction has has 934 places, 1257 transitions, 36125 flow [2021-03-25 22:17:36,590 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) [2021-03-25 22:17:36,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:36,590 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] [2021-03-25 22:17:36,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-25 22:17:36,590 INFO L428 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:36,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:36,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1926581832, now seen corresponding path program 12 times [2021-03-25 22:17:36,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:36,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797895096] [2021-03-25 22:17:36,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:36,596 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:36,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:36,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:36,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:36,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:36,638 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:17:36,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:36,664 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:17:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:36,688 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:17:36,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:17:36,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:36,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:36,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:17:36,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:36,741 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:17:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:36,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797895096] [2021-03-25 22:17:36,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:36,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:17:36,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741014420] [2021-03-25 22:17:36,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:17:36,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:36,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:17:36,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:17:36,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:36,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 1257 transitions, 36125 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) [2021-03-25 22:17:36,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:36,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:36,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:38,778 INFO L129 PetriNetUnfolder]: 1212/2517 cut-off events. [2021-03-25 22:17:38,778 INFO L130 PetriNetUnfolder]: For 404305/404326 co-relation queries the response was YES. [2021-03-25 22:17:38,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50573 conditions, 2517 events. 1212/2517 cut-off events. For 404305/404326 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19241 event pairs, 152 based on Foata normal form. 18/2534 useless extension candidates. Maximal degree in co-relation 50203. Up to 2256 conditions per place. [2021-03-25 22:17:38,858 INFO L132 encePairwiseOnDemand]: 148/165 looper letters, 1186 selfloop transitions, 71 changer transitions 5/1270 dead transitions. [2021-03-25 22:17:38,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1270 transitions, 38931 flow [2021-03-25 22:17:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:17:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:17:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 518 transitions. [2021-03-25 22:17:38,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1962121212121212 [2021-03-25 22:17:38,860 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 518 transitions. [2021-03-25 22:17:38,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 518 transitions. [2021-03-25 22:17:38,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:38,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 518 transitions. [2021-03-25 22:17:38,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.375) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:38,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:38,861 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:38,861 INFO L185 Difference]: Start difference. First operand has 934 places, 1257 transitions, 36125 flow. Second operand 16 states and 518 transitions. [2021-03-25 22:17:38,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1270 transitions, 38931 flow [2021-03-25 22:17:41,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 1270 transitions, 38479 flow, removed 11 selfloop flow, removed 21 redundant places. [2021-03-25 22:17:41,867 INFO L241 Difference]: Finished difference. Result has 930 places, 1253 transitions, 35781 flow [2021-03-25 22:17:41,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35673, PETRI_DIFFERENCE_MINUEND_PLACES=913, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35781, PETRI_PLACES=930, PETRI_TRANSITIONS=1253} [2021-03-25 22:17:41,868 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 891 predicate places. [2021-03-25 22:17:41,868 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:41,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 930 places, 1253 transitions, 35781 flow [2021-03-25 22:17:41,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 930 places, 1253 transitions, 35781 flow [2021-03-25 22:17:41,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 924 places, 1253 transitions, 35781 flow [2021-03-25 22:17:42,562 INFO L129 PetriNetUnfolder]: 957/2144 cut-off events. [2021-03-25 22:17:42,562 INFO L130 PetriNetUnfolder]: For 339255/339907 co-relation queries the response was YES. [2021-03-25 22:17:42,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40136 conditions, 2144 events. 957/2144 cut-off events. For 339255/339907 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17153 event pairs, 46 based on Foata normal form. 63/2176 useless extension candidates. Maximal degree in co-relation 39771. Up to 578 conditions per place. [2021-03-25 22:17:42,646 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:17:42,819 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:42,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:42,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 951 [2021-03-25 22:17:42,820 INFO L480 AbstractCegarLoop]: Abstraction has has 924 places, 1253 transitions, 35781 flow [2021-03-25 22:17:42,820 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) [2021-03-25 22:17:42,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:42,820 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] [2021-03-25 22:17:42,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-25 22:17:42,820 INFO L428 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1609493101, now seen corresponding path program 2 times [2021-03-25 22:17:42,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:42,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380842083] [2021-03-25 22:17:42,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:42,827 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:42,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:42,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:42,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:42,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:17:42,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:17:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:17:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:17:42,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:17:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:42,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380842083] [2021-03-25 22:17:42,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:42,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:17:42,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771605996] [2021-03-25 22:17:42,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:17:42,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:42,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:17:42,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:17:42,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:42,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 1253 transitions, 35781 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) [2021-03-25 22:17:42,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:42,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:42,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:44,977 INFO L129 PetriNetUnfolder]: 1216/2523 cut-off events. [2021-03-25 22:17:44,977 INFO L130 PetriNetUnfolder]: For 411654/411675 co-relation queries the response was YES. [2021-03-25 22:17:45,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50717 conditions, 2523 events. 1216/2523 cut-off events. For 411654/411675 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19275 event pairs, 172 based on Foata normal form. 14/2536 useless extension candidates. Maximal degree in co-relation 50347. Up to 2279 conditions per place. [2021-03-25 22:17:45,050 INFO L132 encePairwiseOnDemand]: 147/165 looper letters, 1195 selfloop transitions, 69 changer transitions 3/1275 dead transitions. [2021-03-25 22:17:45,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 1275 transitions, 39039 flow [2021-03-25 22:17:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:17:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:17:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 494 transitions. [2021-03-25 22:17:45,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1995959595959596 [2021-03-25 22:17:45,052 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 494 transitions. [2021-03-25 22:17:45,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 494 transitions. [2021-03-25 22:17:45,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:45,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 494 transitions. [2021-03-25 22:17:45,052 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) [2021-03-25 22:17:45,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:45,053 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:45,053 INFO L185 Difference]: Start difference. First operand has 924 places, 1253 transitions, 35781 flow. Second operand 15 states and 494 transitions. [2021-03-25 22:17:45,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 1275 transitions, 39039 flow [2021-03-25 22:17:48,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 925 places, 1275 transitions, 38879 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-03-25 22:17:48,107 INFO L241 Difference]: Finished difference. Result has 930 places, 1257 transitions, 35978 flow [2021-03-25 22:17:48,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35621, PETRI_DIFFERENCE_MINUEND_PLACES=911, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35978, PETRI_PLACES=930, PETRI_TRANSITIONS=1257} [2021-03-25 22:17:48,108 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 891 predicate places. [2021-03-25 22:17:48,108 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:48,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 930 places, 1257 transitions, 35978 flow [2021-03-25 22:17:48,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 930 places, 1257 transitions, 35978 flow [2021-03-25 22:17:48,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 927 places, 1257 transitions, 35978 flow [2021-03-25 22:17:48,825 INFO L129 PetriNetUnfolder]: 966/2157 cut-off events. [2021-03-25 22:17:48,825 INFO L130 PetriNetUnfolder]: For 345303/345955 co-relation queries the response was YES. [2021-03-25 22:17:48,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40542 conditions, 2157 events. 966/2157 cut-off events. For 345303/345955 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17322 event pairs, 47 based on Foata normal form. 62/2183 useless extension candidates. Maximal degree in co-relation 40181. Up to 592 conditions per place. [2021-03-25 22:17:48,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:17:49,082 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:49,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:17:49,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 974 [2021-03-25 22:17:49,083 INFO L480 AbstractCegarLoop]: Abstraction has has 927 places, 1257 transitions, 35978 flow [2021-03-25 22:17:49,083 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) [2021-03-25 22:17:49,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:49,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:17:49,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-25 22:17:49,083 INFO L428 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1079005576, now seen corresponding path program 13 times [2021-03-25 22:17:49,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:49,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846989025] [2021-03-25 22:17:49,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:49,090 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:49,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:49,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:49,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:49,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:49,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:49,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:49,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:49,132 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:17:49,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:49,154 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:17:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:49,178 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-25 22:17:49,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 22:17:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:49,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:17:49,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:49,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:17:49,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:49,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846989025] [2021-03-25 22:17:49,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:49,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 22:17:49,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051709484] [2021-03-25 22:17:49,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 22:17:49,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:49,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 22:17:49,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-25 22:17:49,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-25 22:17:49,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 927 places, 1257 transitions, 35978 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) [2021-03-25 22:17:49,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:49,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-25 22:17:49,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:51,504 INFO L129 PetriNetUnfolder]: 1218/2538 cut-off events. [2021-03-25 22:17:51,504 INFO L130 PetriNetUnfolder]: For 418778/418806 co-relation queries the response was YES. [2021-03-25 22:17:51,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51107 conditions, 2538 events. 1218/2538 cut-off events. For 418778/418806 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19525 event pairs, 167 based on Foata normal form. 26/2563 useless extension candidates. Maximal degree in co-relation 50744. Up to 2139 conditions per place. [2021-03-25 22:17:51,579 INFO L132 encePairwiseOnDemand]: 135/165 looper letters, 1023 selfloop transitions, 239 changer transitions 19/1289 dead transitions. [2021-03-25 22:17:51,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1289 transitions, 39994 flow [2021-03-25 22:17:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-25 22:17:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-25 22:17:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 730 transitions. [2021-03-25 22:17:51,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19235836627140976 [2021-03-25 22:17:51,581 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 730 transitions. [2021-03-25 22:17:51,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 730 transitions. [2021-03-25 22:17:51,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:51,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 730 transitions. [2021-03-25 22:17:51,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.73913043478261) internal successors, (730), 23 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:51,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 165.0) internal successors, (3960), 24 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:51,583 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 165.0) internal successors, (3960), 24 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:17:51,583 INFO L185 Difference]: Start difference. First operand has 927 places, 1257 transitions, 35978 flow. Second operand 23 states and 730 transitions. [2021-03-25 22:17:51,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1289 transitions, 39994 flow [2021-03-25 22:17:54,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 1289 transitions, 39857 flow, removed 12 selfloop flow, removed 11 redundant places. [2021-03-25 22:17:54,852 INFO L241 Difference]: Finished difference. Result has 944 places, 1256 transitions, 36400 flow [2021-03-25 22:17:54,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35841, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1020, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=36400, PETRI_PLACES=944, PETRI_TRANSITIONS=1256} [2021-03-25 22:17:54,853 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 905 predicate places. [2021-03-25 22:17:54,853 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:17:54,853 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 944 places, 1256 transitions, 36400 flow [2021-03-25 22:17:54,853 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 944 places, 1256 transitions, 36400 flow [2021-03-25 22:17:54,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 937 places, 1256 transitions, 36400 flow [2021-03-25 22:17:55,570 INFO L129 PetriNetUnfolder]: 961/2156 cut-off events. [2021-03-25 22:17:55,570 INFO L130 PetriNetUnfolder]: For 361294/361815 co-relation queries the response was YES. [2021-03-25 22:17:55,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40871 conditions, 2156 events. 961/2156 cut-off events. For 361294/361815 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17425 event pairs, 48 based on Foata normal form. 62/2181 useless extension candidates. Maximal degree in co-relation 40499. Up to 584 conditions per place. [2021-03-25 22:17:55,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:17:56,140 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:17:56,140 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:17:56,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1287 [2021-03-25 22:17:56,140 INFO L480 AbstractCegarLoop]: Abstraction has has 937 places, 1256 transitions, 36468 flow [2021-03-25 22:17:56,140 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) [2021-03-25 22:17:56,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:17:56,140 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] [2021-03-25 22:17:56,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-25 22:17:56,140 INFO L428 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:17:56,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:17:56,141 INFO L82 PathProgramCache]: Analyzing trace with hash -546617264, now seen corresponding path program 14 times [2021-03-25 22:17:56,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:17:56,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281186942] [2021-03-25 22:17:56,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:17:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:17:56,146 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:17:56,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:17:56,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:17:56,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:56,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:56,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:17:56,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:56,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:56,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:17:56,201 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-25 22:17:56,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 22:17:56,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:56,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:17:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:17:56,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:56,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 22:17:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:17:56,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:17:56,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:17:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:17:56,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281186942] [2021-03-25 22:17:56,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:17:56,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:17:56,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620642729] [2021-03-25 22:17:56,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:17:56,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:17:56,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:17:56,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:17:56,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-25 22:17:56,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 1256 transitions, 36468 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) [2021-03-25 22:17:56,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:17:56,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-25 22:17:56,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:17:58,538 INFO L129 PetriNetUnfolder]: 1212/2525 cut-off events. [2021-03-25 22:17:58,538 INFO L130 PetriNetUnfolder]: For 427389/427410 co-relation queries the response was YES. [2021-03-25 22:17:58,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51330 conditions, 2525 events. 1212/2525 cut-off events. For 427389/427410 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 19386 event pairs, 150 based on Foata normal form. 19/2543 useless extension candidates. Maximal degree in co-relation 50953. Up to 2026 conditions per place. [2021-03-25 22:17:58,614 INFO L132 encePairwiseOnDemand]: 132/167 looper letters, 893 selfloop transitions, 365 changer transitions 9/1275 dead transitions. [2021-03-25 22:17:58,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 1275 transitions, 39675 flow [2021-03-25 22:17:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:17:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:17:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 542 transitions. [2021-03-25 22:17:58,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2028443113772455 [2021-03-25 22:17:58,615 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 542 transitions. [2021-03-25 22:17:58,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 542 transitions. [2021-03-25 22:17:58,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:17:58,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 542 transitions. [2021-03-25 22:17:58,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.875) internal successors, (542), 16 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) [2021-03-25 22:17:58,617 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) [2021-03-25 22:17:58,617 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) [2021-03-25 22:17:58,617 INFO L185 Difference]: Start difference. First operand has 937 places, 1256 transitions, 36468 flow. Second operand 16 states and 542 transitions. [2021-03-25 22:17:58,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 1275 transitions, 39675 flow [2021-03-25 22:18:01,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 1275 transitions, 39017 flow, removed 105 selfloop flow, removed 18 redundant places. [2021-03-25 22:18:01,704 INFO L241 Difference]: Finished difference. Result has 937 places, 1256 transitions, 36814 flow [2021-03-25 22:18:01,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=35813, PETRI_DIFFERENCE_MINUEND_PLACES=919, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=362, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=36814, PETRI_PLACES=937, PETRI_TRANSITIONS=1256} [2021-03-25 22:18:01,704 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 898 predicate places. [2021-03-25 22:18:01,704 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:01,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 937 places, 1256 transitions, 36814 flow [2021-03-25 22:18:01,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 937 places, 1256 transitions, 36814 flow [2021-03-25 22:18:01,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 934 places, 1256 transitions, 36814 flow [2021-03-25 22:18:02,385 INFO L129 PetriNetUnfolder]: 967/2155 cut-off events. [2021-03-25 22:18:02,385 INFO L130 PetriNetUnfolder]: For 353839/354402 co-relation queries the response was YES. [2021-03-25 22:18:02,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41515 conditions, 2155 events. 967/2155 cut-off events. For 353839/354402 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17264 event pairs, 50 based on Foata normal form. 59/2172 useless extension candidates. Maximal degree in co-relation 41137. Up to 593 conditions per place. [2021-03-25 22:18:02,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:18:02,658 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:02,658 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:02,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 955 [2021-03-25 22:18:02,659 INFO L480 AbstractCegarLoop]: Abstraction has has 934 places, 1256 transitions, 36814 flow [2021-03-25 22:18:02,659 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) [2021-03-25 22:18:02,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:02,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:02,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-25 22:18:02,659 INFO L428 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:02,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1211229423, now seen corresponding path program 1 times [2021-03-25 22:18:02,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:02,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774560249] [2021-03-25 22:18:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:02,667 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:02,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:02,672 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:02,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:02,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:02,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:02,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:18:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:02,710 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-25 22:18:02,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 22:18:02,728 INFO L142 QuantifierPusher]: treesize reduction 49, result has 36.4 percent of original size [2021-03-25 22:18:02,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 22:18:02,749 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-25 22:18:02,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:02,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:18:02,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:02,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:02,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774560249] [2021-03-25 22:18:02,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:02,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:18:02,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219932671] [2021-03-25 22:18:02,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:18:02,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:02,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:18:02,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:18:02,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-25 22:18:02,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 1256 transitions, 36814 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) [2021-03-25 22:18:02,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:02,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-25 22:18:02,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:04,915 INFO L129 PetriNetUnfolder]: 1211/2511 cut-off events. [2021-03-25 22:18:04,915 INFO L130 PetriNetUnfolder]: For 429477/429492 co-relation queries the response was YES. [2021-03-25 22:18:04,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51640 conditions, 2511 events. 1211/2511 cut-off events. For 429477/429492 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 19234 event pairs, 165 based on Foata normal form. 10/2519 useless extension candidates. Maximal degree in co-relation 51259. Up to 1982 conditions per place. [2021-03-25 22:18:04,990 INFO L132 encePairwiseOnDemand]: 131/167 looper letters, 875 selfloop transitions, 390 changer transitions 7/1280 dead transitions. [2021-03-25 22:18:04,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 951 places, 1280 transitions, 40682 flow [2021-03-25 22:18:04,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:18:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:18:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 604 transitions. [2021-03-25 22:18:04,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20093147039254824 [2021-03-25 22:18:04,992 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 604 transitions. [2021-03-25 22:18:04,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 604 transitions. [2021-03-25 22:18:04,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:04,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 604 transitions. [2021-03-25 22:18:04,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.55555555555556) internal successors, (604), 18 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:04,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 167.0) internal successors, (3173), 19 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:04,993 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 167.0) internal successors, (3173), 19 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:04,993 INFO L185 Difference]: Start difference. First operand has 934 places, 1256 transitions, 36814 flow. Second operand 18 states and 604 transitions. [2021-03-25 22:18:04,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 951 places, 1280 transitions, 40682 flow [2021-03-25 22:18:07,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 1280 transitions, 39791 flow, removed 56 selfloop flow, removed 14 redundant places. [2021-03-25 22:18:07,957 INFO L241 Difference]: Finished difference. Result has 939 places, 1260 transitions, 37428 flow [2021-03-25 22:18:07,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=35929, PETRI_DIFFERENCE_MINUEND_PLACES=920, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=873, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=37428, PETRI_PLACES=939, PETRI_TRANSITIONS=1260} [2021-03-25 22:18:07,958 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 900 predicate places. [2021-03-25 22:18:07,958 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:07,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 939 places, 1260 transitions, 37428 flow [2021-03-25 22:18:07,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 939 places, 1260 transitions, 37428 flow [2021-03-25 22:18:07,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 935 places, 1260 transitions, 37428 flow [2021-03-25 22:18:08,636 INFO L129 PetriNetUnfolder]: 962/2147 cut-off events. [2021-03-25 22:18:08,636 INFO L130 PetriNetUnfolder]: For 365964/366699 co-relation queries the response was YES. [2021-03-25 22:18:08,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41533 conditions, 2147 events. 962/2147 cut-off events. For 365964/366699 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17329 event pairs, 49 based on Foata normal form. 55/2168 useless extension candidates. Maximal degree in co-relation 41155. Up to 588 conditions per place. [2021-03-25 22:18:08,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 944 [2021-03-25 22:18:09,186 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:09,186 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:18:09,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1228 [2021-03-25 22:18:09,186 INFO L480 AbstractCegarLoop]: Abstraction has has 935 places, 1260 transitions, 37446 flow [2021-03-25 22:18:09,186 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) [2021-03-25 22:18:09,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:09,187 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:09,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-25 22:18:09,187 INFO L428 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:09,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:09,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1474540229, now seen corresponding path program 1 times [2021-03-25 22:18:09,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:09,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657515614] [2021-03-25 22:18:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:09,193 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:09,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:09,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:09,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:09,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:18:09,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:09,234 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-25 22:18:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:18:09,251 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-25 22:18:09,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:18:09,269 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-03-25 22:18:09,270 INFO L147 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size 17 [2021-03-25 22:18:09,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:09,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:18:09,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:09,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657515614] [2021-03-25 22:18:09,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:09,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:18:09,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687311178] [2021-03-25 22:18:09,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:18:09,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:09,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:18:09,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:18:09,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 168 [2021-03-25 22:18:09,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 1260 transitions, 37446 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) [2021-03-25 22:18:09,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:09,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 168 [2021-03-25 22:18:09,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:11,362 INFO L129 PetriNetUnfolder]: 1222/2526 cut-off events. [2021-03-25 22:18:11,362 INFO L130 PetriNetUnfolder]: For 432163/432167 co-relation queries the response was YES. [2021-03-25 22:18:11,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52093 conditions, 2526 events. 1222/2526 cut-off events. For 432163/432167 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19306 event pairs, 167 based on Foata normal form. 5/2529 useless extension candidates. Maximal degree in co-relation 51712. Up to 2232 conditions per place. [2021-03-25 22:18:11,438 INFO L132 encePairwiseOnDemand]: 143/168 looper letters, 1135 selfloop transitions, 142 changer transitions 3/1288 dead transitions. [2021-03-25 22:18:11,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 1288 transitions, 41104 flow [2021-03-25 22:18:11,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:18:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:18:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 484 transitions. [2021-03-25 22:18:11,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20578231292517007 [2021-03-25 22:18:11,440 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 484 transitions. [2021-03-25 22:18:11,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 484 transitions. [2021-03-25 22:18:11,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:11,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 484 transitions. [2021-03-25 22:18:11,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.57142857142857) internal successors, (484), 14 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) [2021-03-25 22:18:11,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:11,441 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:11,441 INFO L185 Difference]: Start difference. First operand has 935 places, 1260 transitions, 37446 flow. Second operand 14 states and 484 transitions. [2021-03-25 22:18:11,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 1288 transitions, 41104 flow [2021-03-25 22:18:14,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 1288 transitions, 39767 flow, removed 416 selfloop flow, removed 13 redundant places. [2021-03-25 22:18:14,713 INFO L241 Difference]: Finished difference. Result has 938 places, 1264 transitions, 36786 flow [2021-03-25 22:18:14,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=36227, PETRI_DIFFERENCE_MINUEND_PLACES=922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=36786, PETRI_PLACES=938, PETRI_TRANSITIONS=1264} [2021-03-25 22:18:14,714 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 899 predicate places. [2021-03-25 22:18:14,714 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:14,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 938 places, 1264 transitions, 36786 flow [2021-03-25 22:18:14,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 938 places, 1264 transitions, 36786 flow [2021-03-25 22:18:14,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 936 places, 1264 transitions, 36786 flow [2021-03-25 22:18:15,413 INFO L129 PetriNetUnfolder]: 975/2166 cut-off events. [2021-03-25 22:18:15,414 INFO L130 PetriNetUnfolder]: For 342569/343232 co-relation queries the response was YES. [2021-03-25 22:18:15,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41377 conditions, 2166 events. 975/2166 cut-off events. For 342569/343232 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 17491 event pairs, 41 based on Foata normal form. 55/2189 useless extension candidates. Maximal degree in co-relation 40997. Up to 576 conditions per place. [2021-03-25 22:18:15,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:18:16,087 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:16,087 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:18:16,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1373 [2021-03-25 22:18:16,087 INFO L480 AbstractCegarLoop]: Abstraction has has 936 places, 1264 transitions, 36793 flow [2021-03-25 22:18:16,087 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) [2021-03-25 22:18:16,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:16,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:16,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-25 22:18:16,087 INFO L428 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:16,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:16,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1387499895, now seen corresponding path program 1 times [2021-03-25 22:18:16,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:16,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037414888] [2021-03-25 22:18:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:16,093 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:16,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:16,098 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:16,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:16,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:16,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:16,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:16,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:18:16,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:16,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:16,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:16,146 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:18:16,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:16,164 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-25 22:18:16,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:18:16,184 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-25 22:18:16,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:18:16,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:16,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:16,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037414888] [2021-03-25 22:18:16,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:16,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:18:16,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984866043] [2021-03-25 22:18:16,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:18:16,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:16,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:18:16,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:18:16,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:16,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 1264 transitions, 36793 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) [2021-03-25 22:18:16,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:16,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:16,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:18,306 INFO L129 PetriNetUnfolder]: 1223/2530 cut-off events. [2021-03-25 22:18:18,306 INFO L130 PetriNetUnfolder]: For 413742/413763 co-relation queries the response was YES. [2021-03-25 22:18:18,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51578 conditions, 2530 events. 1223/2530 cut-off events. For 413742/413763 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 19345 event pairs, 161 based on Foata normal form. 15/2543 useless extension candidates. Maximal degree in co-relation 51195. Up to 2236 conditions per place. [2021-03-25 22:18:18,381 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1141 selfloop transitions, 138 changer transitions 2/1289 dead transitions. [2021-03-25 22:18:18,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1289 transitions, 40560 flow [2021-03-25 22:18:18,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:18:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:18:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 481 transitions. [2021-03-25 22:18:18,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2032967032967033 [2021-03-25 22:18:18,382 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 481 transitions. [2021-03-25 22:18:18,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 481 transitions. [2021-03-25 22:18:18,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:18,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 481 transitions. [2021-03-25 22:18:18,383 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) [2021-03-25 22:18:18,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:18:18,384 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:18:18,384 INFO L185 Difference]: Start difference. First operand has 936 places, 1264 transitions, 36793 flow. Second operand 14 states and 481 transitions. [2021-03-25 22:18:18,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1289 transitions, 40560 flow [2021-03-25 22:18:21,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 1289 transitions, 40260 flow, removed 41 selfloop flow, removed 11 redundant places. [2021-03-25 22:18:21,338 INFO L241 Difference]: Finished difference. Result has 941 places, 1267 transitions, 37131 flow [2021-03-25 22:18:21,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=36509, PETRI_DIFFERENCE_MINUEND_PLACES=925, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37131, PETRI_PLACES=941, PETRI_TRANSITIONS=1267} [2021-03-25 22:18:21,338 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 902 predicate places. [2021-03-25 22:18:21,338 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:21,339 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 941 places, 1267 transitions, 37131 flow [2021-03-25 22:18:21,339 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 941 places, 1267 transitions, 37131 flow [2021-03-25 22:18:21,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 940 places, 1267 transitions, 37131 flow [2021-03-25 22:18:22,147 INFO L129 PetriNetUnfolder]: 977/2172 cut-off events. [2021-03-25 22:18:22,147 INFO L130 PetriNetUnfolder]: For 356292/356787 co-relation queries the response was YES. [2021-03-25 22:18:22,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41638 conditions, 2172 events. 977/2172 cut-off events. For 356292/356787 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17422 event pairs, 35 based on Foata normal form. 57/2198 useless extension candidates. Maximal degree in co-relation 41259. Up to 580 conditions per place. [2021-03-25 22:18:22,224 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:18:22,385 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:22,385 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:22,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1047 [2021-03-25 22:18:22,385 INFO L480 AbstractCegarLoop]: Abstraction has has 940 places, 1267 transitions, 37131 flow [2021-03-25 22:18:22,385 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) [2021-03-25 22:18:22,385 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:22,385 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:22,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-25 22:18:22,386 INFO L428 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:22,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:22,386 INFO L82 PathProgramCache]: Analyzing trace with hash 304335203, now seen corresponding path program 1 times [2021-03-25 22:18:22,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:22,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146324142] [2021-03-25 22:18:22,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:22,402 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:22,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:22,408 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:22,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:22,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:22,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:22,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:22,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:22,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:22,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:22,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:18:22,494 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:18:22,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:22,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146324142] [2021-03-25 22:18:22,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:22,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:18:22,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835642149] [2021-03-25 22:18:22,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:18:22,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:22,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:18:22,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:18:22,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:22,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 1267 transitions, 37131 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) [2021-03-25 22:18:22,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:22,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:22,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:24,584 INFO L129 PetriNetUnfolder]: 1226/2537 cut-off events. [2021-03-25 22:18:24,584 INFO L130 PetriNetUnfolder]: For 417705/417726 co-relation queries the response was YES. [2021-03-25 22:18:24,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51750 conditions, 2537 events. 1226/2537 cut-off events. For 417705/417726 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19440 event pairs, 182 based on Foata normal form. 12/2546 useless extension candidates. Maximal degree in co-relation 51368. Up to 2283 conditions per place. [2021-03-25 22:18:24,657 INFO L132 encePairwiseOnDemand]: 144/169 looper letters, 1128 selfloop transitions, 144 changer transitions 3/1283 dead transitions. [2021-03-25 22:18:24,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 1283 transitions, 40234 flow [2021-03-25 22:18:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:18:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:18:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 494 transitions. [2021-03-25 22:18:24,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19487179487179487 [2021-03-25 22:18:24,659 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 494 transitions. [2021-03-25 22:18:24,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 494 transitions. [2021-03-25 22:18:24,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:24,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 494 transitions. [2021-03-25 22:18:24,659 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) [2021-03-25 22:18:24,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:24,660 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:24,660 INFO L185 Difference]: Start difference. First operand has 940 places, 1267 transitions, 37131 flow. Second operand 15 states and 494 transitions. [2021-03-25 22:18:24,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 1283 transitions, 40234 flow [2021-03-25 22:18:27,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 1283 transitions, 39704 flow, removed 129 selfloop flow, removed 9 redundant places. [2021-03-25 22:18:27,736 INFO L241 Difference]: Finished difference. Result has 952 places, 1273 transitions, 37072 flow [2021-03-25 22:18:27,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=36601, PETRI_DIFFERENCE_MINUEND_PLACES=931, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=37072, PETRI_PLACES=952, PETRI_TRANSITIONS=1273} [2021-03-25 22:18:27,736 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 913 predicate places. [2021-03-25 22:18:27,737 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:27,737 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 952 places, 1273 transitions, 37072 flow [2021-03-25 22:18:27,737 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 952 places, 1273 transitions, 37072 flow [2021-03-25 22:18:27,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 949 places, 1273 transitions, 37072 flow [2021-03-25 22:18:28,528 INFO L129 PetriNetUnfolder]: 976/2173 cut-off events. [2021-03-25 22:18:28,528 INFO L130 PetriNetUnfolder]: For 357123/357543 co-relation queries the response was YES. [2021-03-25 22:18:28,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41622 conditions, 2173 events. 976/2173 cut-off events. For 357123/357543 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17589 event pairs, 44 based on Foata normal form. 63/2207 useless extension candidates. Maximal degree in co-relation 41247. Up to 578 conditions per place. [2021-03-25 22:18:28,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:18:28,770 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:28,770 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:28,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1034 [2021-03-25 22:18:28,771 INFO L480 AbstractCegarLoop]: Abstraction has has 949 places, 1273 transitions, 37072 flow [2021-03-25 22:18:28,771 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) [2021-03-25 22:18:28,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:28,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:28,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-25 22:18:28,771 INFO L428 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:28,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:28,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2053350039, now seen corresponding path program 2 times [2021-03-25 22:18:28,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:28,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135871644] [2021-03-25 22:18:28,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:28,778 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:28,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:28,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:28,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:28,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:18:28,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:28,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:28,831 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:18:28,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:28,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:18:28,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:28,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:28,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:28,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135871644] [2021-03-25 22:18:28,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:28,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:18:28,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216968833] [2021-03-25 22:18:28,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:18:28,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:28,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:18:28,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:18:28,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:28,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 1273 transitions, 37072 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) [2021-03-25 22:18:28,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:28,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:28,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:30,957 INFO L129 PetriNetUnfolder]: 1227/2546 cut-off events. [2021-03-25 22:18:30,957 INFO L130 PetriNetUnfolder]: For 432505/432526 co-relation queries the response was YES. [2021-03-25 22:18:31,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52236 conditions, 2546 events. 1227/2546 cut-off events. For 432505/432526 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19561 event pairs, 194 based on Foata normal form. 12/2555 useless extension candidates. Maximal degree in co-relation 51857. Up to 2276 conditions per place. [2021-03-25 22:18:31,032 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1147 selfloop transitions, 140 changer transitions 3/1298 dead transitions. [2021-03-25 22:18:31,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 1298 transitions, 40724 flow [2021-03-25 22:18:31,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:18:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:18:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 529 transitions. [2021-03-25 22:18:31,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19563609467455623 [2021-03-25 22:18:31,033 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 529 transitions. [2021-03-25 22:18:31,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 529 transitions. [2021-03-25 22:18:31,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:31,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 529 transitions. [2021-03-25 22:18:31,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.0625) internal successors, (529), 16 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:31,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:31,035 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:31,035 INFO L185 Difference]: Start difference. First operand has 949 places, 1273 transitions, 37072 flow. Second operand 16 states and 529 transitions. [2021-03-25 22:18:31,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 1298 transitions, 40724 flow [2021-03-25 22:18:34,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 1298 transitions, 40582 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-25 22:18:34,167 INFO L241 Difference]: Finished difference. Result has 960 places, 1280 transitions, 37698 flow [2021-03-25 22:18:34,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=36936, PETRI_DIFFERENCE_MINUEND_PLACES=942, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=37698, PETRI_PLACES=960, PETRI_TRANSITIONS=1280} [2021-03-25 22:18:34,168 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 921 predicate places. [2021-03-25 22:18:34,168 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:34,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 960 places, 1280 transitions, 37698 flow [2021-03-25 22:18:34,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 960 places, 1280 transitions, 37698 flow [2021-03-25 22:18:34,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 959 places, 1280 transitions, 37698 flow [2021-03-25 22:18:34,929 INFO L129 PetriNetUnfolder]: 971/2175 cut-off events. [2021-03-25 22:18:34,930 INFO L130 PetriNetUnfolder]: For 369651/370003 co-relation queries the response was YES. [2021-03-25 22:18:34,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42074 conditions, 2175 events. 971/2175 cut-off events. For 369651/370003 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 17563 event pairs, 41 based on Foata normal form. 31/2165 useless extension candidates. Maximal degree in co-relation 41699. Up to 584 conditions per place. [2021-03-25 22:18:35,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:18:35,181 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:35,181 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:35,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1013 [2021-03-25 22:18:35,181 INFO L480 AbstractCegarLoop]: Abstraction has has 959 places, 1280 transitions, 37698 flow [2021-03-25 22:18:35,182 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) [2021-03-25 22:18:35,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:35,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:35,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-25 22:18:35,182 INFO L428 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:35,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:35,182 INFO L82 PathProgramCache]: Analyzing trace with hash 651673295, now seen corresponding path program 2 times [2021-03-25 22:18:35,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:35,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312684117] [2021-03-25 22:18:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:35,187 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:35,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:35,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:35,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:35,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:35,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:35,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:35,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:18:35,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:18:35,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:35,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312684117] [2021-03-25 22:18:35,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:35,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:18:35,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311365817] [2021-03-25 22:18:35,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:18:35,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:35,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:18:35,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:18:35,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:35,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 1280 transitions, 37698 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) [2021-03-25 22:18:35,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:35,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:35,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:37,414 INFO L129 PetriNetUnfolder]: 1226/2544 cut-off events. [2021-03-25 22:18:37,415 INFO L130 PetriNetUnfolder]: For 442712/442733 co-relation queries the response was YES. [2021-03-25 22:18:37,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52523 conditions, 2544 events. 1226/2544 cut-off events. For 442712/442733 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19480 event pairs, 192 based on Foata normal form. 12/2553 useless extension candidates. Maximal degree in co-relation 52144. Up to 2253 conditions per place. [2021-03-25 22:18:37,490 INFO L132 encePairwiseOnDemand]: 142/169 looper letters, 1082 selfloop transitions, 194 changer transitions 5/1289 dead transitions. [2021-03-25 22:18:37,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 973 places, 1289 transitions, 40747 flow [2021-03-25 22:18:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:18:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:18:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-25 22:18:37,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19644970414201182 [2021-03-25 22:18:37,492 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-25 22:18:37,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-25 22:18:37,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:37,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-25 22:18:37,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 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) [2021-03-25 22:18:37,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:37,493 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:37,493 INFO L185 Difference]: Start difference. First operand has 959 places, 1280 transitions, 37698 flow. Second operand 15 states and 498 transitions. [2021-03-25 22:18:37,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 973 places, 1289 transitions, 40747 flow [2021-03-25 22:18:40,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 965 places, 1289 transitions, 40329 flow, removed 188 selfloop flow, removed 8 redundant places. [2021-03-25 22:18:40,782 INFO L241 Difference]: Finished difference. Result has 968 places, 1277 transitions, 37676 flow [2021-03-25 22:18:40,783 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37282, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1086, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=37676, PETRI_PLACES=968, PETRI_TRANSITIONS=1277} [2021-03-25 22:18:40,783 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 929 predicate places. [2021-03-25 22:18:40,783 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:40,783 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 968 places, 1277 transitions, 37676 flow [2021-03-25 22:18:40,783 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 968 places, 1277 transitions, 37676 flow [2021-03-25 22:18:40,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 964 places, 1277 transitions, 37676 flow [2021-03-25 22:18:41,526 INFO L129 PetriNetUnfolder]: 973/2176 cut-off events. [2021-03-25 22:18:41,526 INFO L130 PetriNetUnfolder]: For 369969/370395 co-relation queries the response was YES. [2021-03-25 22:18:41,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42128 conditions, 2176 events. 973/2176 cut-off events. For 369969/370395 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 17670 event pairs, 46 based on Foata normal form. 53/2202 useless extension candidates. Maximal degree in co-relation 41750. Up to 577 conditions per place. [2021-03-25 22:18:41,614 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:18:41,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:41,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:41,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 994 [2021-03-25 22:18:41,777 INFO L480 AbstractCegarLoop]: Abstraction has has 964 places, 1277 transitions, 37676 flow [2021-03-25 22:18:41,777 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) [2021-03-25 22:18:41,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:41,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:41,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-25 22:18:41,777 INFO L428 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash 990184173, now seen corresponding path program 3 times [2021-03-25 22:18:41,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:41,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544928030] [2021-03-25 22:18:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:41,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:41,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:41,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:41,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:41,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:41,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:41,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:41,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:41,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:41,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:41,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:41,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:18:41,872 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:18:41,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:41,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544928030] [2021-03-25 22:18:41,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:41,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:18:41,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253140449] [2021-03-25 22:18:41,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:18:41,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:41,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:18:41,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:18:41,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:41,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 964 places, 1277 transitions, 37676 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) [2021-03-25 22:18:41,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:41,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:41,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:43,902 INFO L129 PetriNetUnfolder]: 1226/2544 cut-off events. [2021-03-25 22:18:43,902 INFO L130 PetriNetUnfolder]: For 441959/441980 co-relation queries the response was YES. [2021-03-25 22:18:43,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52722 conditions, 2544 events. 1226/2544 cut-off events. For 441959/441980 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19525 event pairs, 182 based on Foata normal form. 12/2553 useless extension candidates. Maximal degree in co-relation 52340. Up to 2332 conditions per place. [2021-03-25 22:18:43,976 INFO L132 encePairwiseOnDemand]: 145/169 looper letters, 1199 selfloop transitions, 75 changer transitions 7/1289 dead transitions. [2021-03-25 22:18:43,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 977 places, 1289 transitions, 40608 flow [2021-03-25 22:18:43,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:18:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:18:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 459 transitions. [2021-03-25 22:18:43,978 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19399830938292476 [2021-03-25 22:18:43,978 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 459 transitions. [2021-03-25 22:18:43,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 459 transitions. [2021-03-25 22:18:43,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:43,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 459 transitions. [2021-03-25 22:18:43,978 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) [2021-03-25 22:18:43,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:18:43,979 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:18:43,979 INFO L185 Difference]: Start difference. First operand has 964 places, 1277 transitions, 37676 flow. Second operand 14 states and 459 transitions. [2021-03-25 22:18:43,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 977 places, 1289 transitions, 40608 flow [2021-03-25 22:18:47,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 1289 transitions, 40117 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-25 22:18:47,278 INFO L241 Difference]: Finished difference. Result has 967 places, 1275 transitions, 37304 flow [2021-03-25 22:18:47,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37191, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37304, PETRI_PLACES=967, PETRI_TRANSITIONS=1275} [2021-03-25 22:18:47,279 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 928 predicate places. [2021-03-25 22:18:47,279 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:47,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 967 places, 1275 transitions, 37304 flow [2021-03-25 22:18:47,279 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 967 places, 1275 transitions, 37304 flow [2021-03-25 22:18:47,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 960 places, 1275 transitions, 37304 flow [2021-03-25 22:18:48,021 INFO L129 PetriNetUnfolder]: 972/2179 cut-off events. [2021-03-25 22:18:48,021 INFO L130 PetriNetUnfolder]: For 357073/357591 co-relation queries the response was YES. [2021-03-25 22:18:48,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41934 conditions, 2179 events. 972/2179 cut-off events. For 357073/357591 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 17731 event pairs, 41 based on Foata normal form. 52/2206 useless extension candidates. Maximal degree in co-relation 41559. Up to 576 conditions per place. [2021-03-25 22:18:48,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-25 22:18:48,276 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:48,276 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:48,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 997 [2021-03-25 22:18:48,276 INFO L480 AbstractCegarLoop]: Abstraction has has 960 places, 1275 transitions, 37304 flow [2021-03-25 22:18:48,276 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) [2021-03-25 22:18:48,276 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:48,276 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:48,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-25 22:18:48,276 INFO L428 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:48,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:48,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1242050286, now seen corresponding path program 1 times [2021-03-25 22:18:48,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:48,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372116399] [2021-03-25 22:18:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:48,291 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:48,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:48,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:48,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:48,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:48,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:48,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:48,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:48,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:18:48,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:18:48,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:48,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:48,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372116399] [2021-03-25 22:18:48,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:48,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:18:48,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7979635] [2021-03-25 22:18:48,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:18:48,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:48,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:18:48,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:18:48,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:48,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 1275 transitions, 37304 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) [2021-03-25 22:18:48,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:48,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:48,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:50,413 INFO L129 PetriNetUnfolder]: 1233/2556 cut-off events. [2021-03-25 22:18:50,413 INFO L130 PetriNetUnfolder]: For 451213/451234 co-relation queries the response was YES. [2021-03-25 22:18:50,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53169 conditions, 2556 events. 1233/2556 cut-off events. For 451213/451234 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 19703 event pairs, 156 based on Foata normal form. 12/2565 useless extension candidates. Maximal degree in co-relation 52792. Up to 2347 conditions per place. [2021-03-25 22:18:50,488 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1235 selfloop transitions, 53 changer transitions 6/1302 dead transitions. [2021-03-25 22:18:50,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 1302 transitions, 41142 flow [2021-03-25 22:18:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 22:18:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 22:18:50,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 428 transitions. [2021-03-25 22:18:50,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1948111060537096 [2021-03-25 22:18:50,490 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 428 transitions. [2021-03-25 22:18:50,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 428 transitions. [2021-03-25 22:18:50,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:50,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 428 transitions. [2021-03-25 22:18:50,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.92307692307692) internal successors, (428), 13 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) [2021-03-25 22:18:50,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 169.0) internal successors, (2366), 14 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:50,491 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 169.0) internal successors, (2366), 14 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:50,491 INFO L185 Difference]: Start difference. First operand has 960 places, 1275 transitions, 37304 flow. Second operand 13 states and 428 transitions. [2021-03-25 22:18:50,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 1302 transitions, 41142 flow [2021-03-25 22:18:53,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 1302 transitions, 40962 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-25 22:18:53,578 INFO L241 Difference]: Finished difference. Result has 964 places, 1284 transitions, 37846 flow [2021-03-25 22:18:53,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37129, PETRI_DIFFERENCE_MINUEND_PLACES=947, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=37846, PETRI_PLACES=964, PETRI_TRANSITIONS=1284} [2021-03-25 22:18:53,578 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 925 predicate places. [2021-03-25 22:18:53,578 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:18:53,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 964 places, 1284 transitions, 37846 flow [2021-03-25 22:18:53,579 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 964 places, 1284 transitions, 37846 flow [2021-03-25 22:18:53,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 963 places, 1284 transitions, 37846 flow [2021-03-25 22:18:54,317 INFO L129 PetriNetUnfolder]: 972/2170 cut-off events. [2021-03-25 22:18:54,317 INFO L130 PetriNetUnfolder]: For 368825/369253 co-relation queries the response was YES. [2021-03-25 22:18:54,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42185 conditions, 2170 events. 972/2170 cut-off events. For 368825/369253 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 17604 event pairs, 45 based on Foata normal form. 30/2160 useless extension candidates. Maximal degree in co-relation 41796. Up to 583 conditions per place. [2021-03-25 22:18:54,407 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-25 22:18:54,575 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:18:54,575 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:18:54,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 997 [2021-03-25 22:18:54,576 INFO L480 AbstractCegarLoop]: Abstraction has has 963 places, 1284 transitions, 37846 flow [2021-03-25 22:18:54,576 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) [2021-03-25 22:18:54,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:18:54,576 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:18:54,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-25 22:18:54,576 INFO L428 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:18:54,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:18:54,576 INFO L82 PathProgramCache]: Analyzing trace with hash -778177755, now seen corresponding path program 1 times [2021-03-25 22:18:54,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:18:54,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916780197] [2021-03-25 22:18:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:18:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:18:54,582 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:18:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:18:54,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:18:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:54,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:18:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:54,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:18:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:18:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:18:54,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:18:54,661 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:18:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:18:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:18:54,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916780197] [2021-03-25 22:18:54,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:18:54,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 22:18:54,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111447970] [2021-03-25 22:18:54,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:18:54,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:18:54,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:18:54,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:18:54,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:18:54,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 1284 transitions, 37846 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) [2021-03-25 22:18:54,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:18:54,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:18:54,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:18:56,778 INFO L129 PetriNetUnfolder]: 1245/2577 cut-off events. [2021-03-25 22:18:56,778 INFO L130 PetriNetUnfolder]: For 465435/465456 co-relation queries the response was YES. [2021-03-25 22:18:56,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53718 conditions, 2577 events. 1245/2577 cut-off events. For 465435/465456 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 19798 event pairs, 169 based on Foata normal form. 15/2590 useless extension candidates. Maximal degree in co-relation 53326. Up to 2343 conditions per place. [2021-03-25 22:18:56,855 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1235 selfloop transitions, 64 changer transitions 3/1310 dead transitions. [2021-03-25 22:18:56,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 974 places, 1310 transitions, 41462 flow [2021-03-25 22:18:56,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:18:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:18:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 413 transitions. [2021-03-25 22:18:56,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20364891518737674 [2021-03-25 22:18:56,856 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 413 transitions. [2021-03-25 22:18:56,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 413 transitions. [2021-03-25 22:18:56,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:18:56,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 413 transitions. [2021-03-25 22:18:56,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.416666666666664) internal successors, (413), 12 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) [2021-03-25 22:18:56,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 169.0) internal successors, (2197), 13 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:56,858 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 169.0) internal successors, (2197), 13 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:18:56,858 INFO L185 Difference]: Start difference. First operand has 963 places, 1284 transitions, 37846 flow. Second operand 12 states and 413 transitions. [2021-03-25 22:18:56,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 974 places, 1310 transitions, 41462 flow [2021-03-25 22:19:00,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1310 transitions, 40964 flow, removed 191 selfloop flow, removed 10 redundant places. [2021-03-25 22:19:00,237 INFO L241 Difference]: Finished difference. Result has 969 places, 1296 transitions, 38070 flow [2021-03-25 22:19:00,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37358, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=38070, PETRI_PLACES=969, PETRI_TRANSITIONS=1296} [2021-03-25 22:19:00,237 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 930 predicate places. [2021-03-25 22:19:00,237 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:19:00,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 969 places, 1296 transitions, 38070 flow [2021-03-25 22:19:00,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 969 places, 1296 transitions, 38070 flow [2021-03-25 22:19:00,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 967 places, 1296 transitions, 38070 flow [2021-03-25 22:19:00,976 INFO L129 PetriNetUnfolder]: 982/2188 cut-off events. [2021-03-25 22:19:00,976 INFO L130 PetriNetUnfolder]: For 380253/380753 co-relation queries the response was YES. [2021-03-25 22:19:01,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42581 conditions, 2188 events. 982/2188 cut-off events. For 380253/380753 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 17674 event pairs, 46 based on Foata normal form. 32/2178 useless extension candidates. Maximal degree in co-relation 42200. Up to 595 conditions per place. [2021-03-25 22:19:01,069 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-25 22:19:01,239 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:19:01,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:19:01,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1002 [2021-03-25 22:19:01,239 INFO L480 AbstractCegarLoop]: Abstraction has has 967 places, 1296 transitions, 38070 flow [2021-03-25 22:19:01,239 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) [2021-03-25 22:19:01,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:19:01,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:19:01,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-25 22:19:01,240 INFO L428 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:19:01,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:19:01,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1687577921, now seen corresponding path program 3 times [2021-03-25 22:19:01,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:19:01,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245359772] [2021-03-25 22:19:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:19:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:19:01,246 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:19:01,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:01,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:19:01,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:01,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:01,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:01,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:01,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:19:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:01,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:01,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:01,300 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-25 22:19:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:01,326 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-25 22:19:01,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:19:01,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:01,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:01,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:19:01,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245359772] [2021-03-25 22:19:01,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:19:01,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:19:01,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580771521] [2021-03-25 22:19:01,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:19:01,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:19:01,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:19:01,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:19:01,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:19:01,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 967 places, 1296 transitions, 38070 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) [2021-03-25 22:19:01,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:19:01,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:19:01,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:19:03,480 INFO L129 PetriNetUnfolder]: 1244/2574 cut-off events. [2021-03-25 22:19:03,481 INFO L130 PetriNetUnfolder]: For 458659/458663 co-relation queries the response was YES. [2021-03-25 22:19:03,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53604 conditions, 2574 events. 1244/2574 cut-off events. For 458659/458663 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 19753 event pairs, 192 based on Foata normal form. 5/2576 useless extension candidates. Maximal degree in co-relation 53219. Up to 2318 conditions per place. [2021-03-25 22:19:03,558 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1177 selfloop transitions, 122 changer transitions 4/1311 dead transitions. [2021-03-25 22:19:03,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 1311 transitions, 41080 flow [2021-03-25 22:19:03,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:19:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:19:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 468 transitions. [2021-03-25 22:19:03,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1978021978021978 [2021-03-25 22:19:03,560 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 468 transitions. [2021-03-25 22:19:03,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 468 transitions. [2021-03-25 22:19:03,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:19:03,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 468 transitions. [2021-03-25 22:19:03,560 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) [2021-03-25 22:19:03,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:19:03,561 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:19:03,561 INFO L185 Difference]: Start difference. First operand has 967 places, 1296 transitions, 38070 flow. Second operand 14 states and 468 transitions. [2021-03-25 22:19:03,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 1311 transitions, 41080 flow [2021-03-25 22:19:07,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 975 places, 1311 transitions, 40933 flow, removed 59 selfloop flow, removed 5 redundant places. [2021-03-25 22:19:07,237 INFO L241 Difference]: Finished difference. Result has 977 places, 1293 transitions, 38131 flow [2021-03-25 22:19:07,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37923, PETRI_DIFFERENCE_MINUEND_PLACES=962, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38131, PETRI_PLACES=977, PETRI_TRANSITIONS=1293} [2021-03-25 22:19:07,238 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 938 predicate places. [2021-03-25 22:19:07,238 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:19:07,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 977 places, 1293 transitions, 38131 flow [2021-03-25 22:19:07,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 977 places, 1293 transitions, 38131 flow [2021-03-25 22:19:07,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 971 places, 1293 transitions, 38131 flow [2021-03-25 22:19:07,984 INFO L129 PetriNetUnfolder]: 979/2181 cut-off events. [2021-03-25 22:19:07,984 INFO L130 PetriNetUnfolder]: For 379147/379556 co-relation queries the response was YES. [2021-03-25 22:19:08,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42687 conditions, 2181 events. 979/2181 cut-off events. For 379147/379556 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17693 event pairs, 43 based on Foata normal form. 33/2171 useless extension candidates. Maximal degree in co-relation 42308. Up to 596 conditions per place. [2021-03-25 22:19:08,074 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-25 22:19:08,267 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:19:08,267 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:19:08,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1029 [2021-03-25 22:19:08,268 INFO L480 AbstractCegarLoop]: Abstraction has has 971 places, 1293 transitions, 38131 flow [2021-03-25 22:19:08,268 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) [2021-03-25 22:19:08,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:19:08,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:19:08,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-25 22:19:08,268 INFO L428 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:19:08,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:19:08,268 INFO L82 PathProgramCache]: Analyzing trace with hash -304001695, now seen corresponding path program 1 times [2021-03-25 22:19:08,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:19:08,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434723276] [2021-03-25 22:19:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:19:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:19:08,273 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:19:08,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:08,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:19:08,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:08,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:08,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:08,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:08,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:08,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:08,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:08,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:08,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:19:08,364 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:19:08,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:19:08,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434723276] [2021-03-25 22:19:08,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:19:08,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:19:08,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093316175] [2021-03-25 22:19:08,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:19:08,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:19:08,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:19:08,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:19:08,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:19:08,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 971 places, 1293 transitions, 38131 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) [2021-03-25 22:19:08,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:19:08,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:19:08,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:19:10,439 INFO L129 PetriNetUnfolder]: 1245/2578 cut-off events. [2021-03-25 22:19:10,439 INFO L130 PetriNetUnfolder]: For 458277/458298 co-relation queries the response was YES. [2021-03-25 22:19:10,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53813 conditions, 2578 events. 1245/2578 cut-off events. For 458277/458298 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 19827 event pairs, 191 based on Foata normal form. 12/2587 useless extension candidates. Maximal degree in co-relation 53432. Up to 2358 conditions per place. [2021-03-25 22:19:10,515 INFO L132 encePairwiseOnDemand]: 149/169 looper letters, 1247 selfloop transitions, 55 changer transitions 2/1312 dead transitions. [2021-03-25 22:19:10,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1312 transitions, 41563 flow [2021-03-25 22:19:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:19:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:19:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 455 transitions. [2021-03-25 22:19:10,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19230769230769232 [2021-03-25 22:19:10,517 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 455 transitions. [2021-03-25 22:19:10,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 455 transitions. [2021-03-25 22:19:10,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:19:10,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 455 transitions. [2021-03-25 22:19:10,517 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) [2021-03-25 22:19:10,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:19:10,518 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:19:10,518 INFO L185 Difference]: Start difference. First operand has 971 places, 1293 transitions, 38131 flow. Second operand 14 states and 455 transitions. [2021-03-25 22:19:10,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1312 transitions, 41563 flow [2021-03-25 22:19:13,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 969 places, 1312 transitions, 41254 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-03-25 22:19:13,912 INFO L241 Difference]: Finished difference. Result has 972 places, 1294 transitions, 38104 flow [2021-03-25 22:19:13,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37828, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38104, PETRI_PLACES=972, PETRI_TRANSITIONS=1294} [2021-03-25 22:19:13,913 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 933 predicate places. [2021-03-25 22:19:13,913 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:19:13,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 972 places, 1294 transitions, 38104 flow [2021-03-25 22:19:13,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 972 places, 1294 transitions, 38104 flow [2021-03-25 22:19:13,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 970 places, 1294 transitions, 38104 flow [2021-03-25 22:19:14,655 INFO L129 PetriNetUnfolder]: 987/2200 cut-off events. [2021-03-25 22:19:14,655 INFO L130 PetriNetUnfolder]: For 375805/376234 co-relation queries the response was YES. [2021-03-25 22:19:14,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42709 conditions, 2200 events. 987/2200 cut-off events. For 375805/376234 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 17945 event pairs, 42 based on Foata normal form. 38/2196 useless extension candidates. Maximal degree in co-relation 42330. Up to 600 conditions per place. [2021-03-25 22:19:14,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-25 22:19:14,942 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:19:14,942 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:19:14,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1029 [2021-03-25 22:19:14,942 INFO L480 AbstractCegarLoop]: Abstraction has has 970 places, 1294 transitions, 38104 flow [2021-03-25 22:19:14,943 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) [2021-03-25 22:19:14,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:19:14,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:19:14,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-25 22:19:14,943 INFO L428 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:19:14,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:19:14,943 INFO L82 PathProgramCache]: Analyzing trace with hash 660453770, now seen corresponding path program 2 times [2021-03-25 22:19:14,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:19:14,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938554908] [2021-03-25 22:19:14,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:19:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:19:14,950 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:19:14,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:14,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:19:14,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:14,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:14,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:14,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:14,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:14,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:15,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:15,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:15,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:15,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:15,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:19:15,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:15,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:15,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:15,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:19:15,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938554908] [2021-03-25 22:19:15,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:19:15,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:19:15,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169974225] [2021-03-25 22:19:15,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:19:15,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:19:15,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:19:15,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:19:15,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:19:15,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 970 places, 1294 transitions, 38104 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) [2021-03-25 22:19:15,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:19:15,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:19:15,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:19:17,270 INFO L129 PetriNetUnfolder]: 1244/2576 cut-off events. [2021-03-25 22:19:17,270 INFO L130 PetriNetUnfolder]: For 452808/452829 co-relation queries the response was YES. [2021-03-25 22:19:17,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53525 conditions, 2576 events. 1244/2576 cut-off events. For 452808/452829 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 19874 event pairs, 151 based on Foata normal form. 12/2585 useless extension candidates. Maximal degree in co-relation 53144. Up to 2366 conditions per place. [2021-03-25 22:19:17,350 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1243 selfloop transitions, 52 changer transitions 3/1306 dead transitions. [2021-03-25 22:19:17,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1306 transitions, 41155 flow [2021-03-25 22:19:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 22:19:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 22:19:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 452 transitions. [2021-03-25 22:19:17,351 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19103972950126796 [2021-03-25 22:19:17,351 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 452 transitions. [2021-03-25 22:19:17,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 452 transitions. [2021-03-25 22:19:17,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:19:17,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 452 transitions. [2021-03-25 22:19:17,352 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) [2021-03-25 22:19:17,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:19:17,353 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 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) [2021-03-25 22:19:17,353 INFO L185 Difference]: Start difference. First operand has 970 places, 1294 transitions, 38104 flow. Second operand 14 states and 452 transitions. [2021-03-25 22:19:17,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1306 transitions, 41155 flow [2021-03-25 22:19:20,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 1306 transitions, 40923 flow, removed 69 selfloop flow, removed 10 redundant places. [2021-03-25 22:19:20,809 INFO L241 Difference]: Finished difference. Result has 975 places, 1292 transitions, 37932 flow [2021-03-25 22:19:20,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37872, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37932, PETRI_PLACES=975, PETRI_TRANSITIONS=1292} [2021-03-25 22:19:20,809 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 936 predicate places. [2021-03-25 22:19:20,809 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:19:20,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 975 places, 1292 transitions, 37932 flow [2021-03-25 22:19:20,809 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 975 places, 1292 transitions, 37932 flow [2021-03-25 22:19:20,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 971 places, 1292 transitions, 37932 flow [2021-03-25 22:19:21,544 INFO L129 PetriNetUnfolder]: 985/2195 cut-off events. [2021-03-25 22:19:21,544 INFO L130 PetriNetUnfolder]: For 368637/369097 co-relation queries the response was YES. [2021-03-25 22:19:21,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42522 conditions, 2195 events. 985/2195 cut-off events. For 368637/369097 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17715 event pairs, 46 based on Foata normal form. 42/2198 useless extension candidates. Maximal degree in co-relation 42144. Up to 595 conditions per place. [2021-03-25 22:19:21,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-25 22:19:21,827 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:19:21,827 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:19:21,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1018 [2021-03-25 22:19:21,827 INFO L480 AbstractCegarLoop]: Abstraction has has 971 places, 1292 transitions, 37932 flow [2021-03-25 22:19:21,828 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) [2021-03-25 22:19:21,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:19:21,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:19:21,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-25 22:19:21,828 INFO L428 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:19:21,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:19:21,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1196923714, now seen corresponding path program 3 times [2021-03-25 22:19:21,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:19:21,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381706872] [2021-03-25 22:19:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:19:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:19:21,833 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:19:21,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:21,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:19:21,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:21,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:21,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:21,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:21,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:21,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:19:21,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:21,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:21,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:19:21,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381706872] [2021-03-25 22:19:21,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:19:21,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:19:21,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489627856] [2021-03-25 22:19:21,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:19:21,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:19:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:19:21,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:19:21,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:19:21,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 971 places, 1292 transitions, 37932 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) [2021-03-25 22:19:21,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:19:21,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:19:21,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:19:24,312 INFO L129 PetriNetUnfolder]: 1243/2571 cut-off events. [2021-03-25 22:19:24,312 INFO L130 PetriNetUnfolder]: For 451772/451800 co-relation queries the response was YES. [2021-03-25 22:19:24,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53430 conditions, 2571 events. 1243/2571 cut-off events. For 451772/451800 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 19809 event pairs, 182 based on Foata normal form. 19/2587 useless extension candidates. Maximal degree in co-relation 53044. Up to 2264 conditions per place. [2021-03-25 22:19:24,379 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1129 selfloop transitions, 171 changer transitions 3/1311 dead transitions. [2021-03-25 22:19:24,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 988 places, 1311 transitions, 41232 flow [2021-03-25 22:19:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 22:19:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 22:19:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 597 transitions. [2021-03-25 22:19:24,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19625246548323472 [2021-03-25 22:19:24,381 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 597 transitions. [2021-03-25 22:19:24,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 597 transitions. [2021-03-25 22:19:24,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:19:24,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 597 transitions. [2021-03-25 22:19:24,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.166666666666664) internal successors, (597), 18 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:24,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 169.0) internal successors, (3211), 19 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:24,383 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 169.0) internal successors, (3211), 19 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:24,383 INFO L185 Difference]: Start difference. First operand has 971 places, 1292 transitions, 37932 flow. Second operand 18 states and 597 transitions. [2021-03-25 22:19:24,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 988 places, 1311 transitions, 41232 flow [2021-03-25 22:19:27,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 976 places, 1311 transitions, 41133 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-25 22:19:27,390 INFO L241 Difference]: Finished difference. Result has 979 places, 1291 transitions, 38184 flow [2021-03-25 22:19:27,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37835, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=38184, PETRI_PLACES=979, PETRI_TRANSITIONS=1291} [2021-03-25 22:19:27,391 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 940 predicate places. [2021-03-25 22:19:27,391 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:19:27,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 979 places, 1291 transitions, 38184 flow [2021-03-25 22:19:27,391 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 979 places, 1291 transitions, 38184 flow [2021-03-25 22:19:27,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 975 places, 1291 transitions, 38184 flow [2021-03-25 22:19:28,138 INFO L129 PetriNetUnfolder]: 984/2194 cut-off events. [2021-03-25 22:19:28,138 INFO L130 PetriNetUnfolder]: For 376310/376794 co-relation queries the response was YES. [2021-03-25 22:19:28,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42793 conditions, 2194 events. 984/2194 cut-off events. For 376310/376794 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 17818 event pairs, 37 based on Foata normal form. 42/2197 useless extension candidates. Maximal degree in co-relation 42414. Up to 596 conditions per place. [2021-03-25 22:19:28,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 966 [2021-03-25 22:19:28,432 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:19:28,432 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:19:28,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1041 [2021-03-25 22:19:28,432 INFO L480 AbstractCegarLoop]: Abstraction has has 975 places, 1291 transitions, 38184 flow [2021-03-25 22:19:28,432 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) [2021-03-25 22:19:28,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:19:28,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:19:28,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-25 22:19:28,433 INFO L428 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:19:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:19:28,433 INFO L82 PathProgramCache]: Analyzing trace with hash 912509345, now seen corresponding path program 2 times [2021-03-25 22:19:28,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:19:28,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298529873] [2021-03-25 22:19:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:19:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:19:28,438 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:19:28,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:28,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:19:28,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:28,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:28,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:28,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:28,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:28,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:19:28,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:19:28,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:19:28,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298529873] [2021-03-25 22:19:28,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:19:28,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:19:28,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154994927] [2021-03-25 22:19:28,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:19:28,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:19:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:19:28,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:19:28,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:19:28,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 975 places, 1291 transitions, 38184 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) [2021-03-25 22:19:28,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:19:28,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:19:28,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:19:30,879 INFO L129 PetriNetUnfolder]: 1242/2590 cut-off events. [2021-03-25 22:19:30,879 INFO L130 PetriNetUnfolder]: For 456687/456708 co-relation queries the response was YES. [2021-03-25 22:19:30,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54040 conditions, 2590 events. 1242/2590 cut-off events. For 456687/456708 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 20051 event pairs, 184 based on Foata normal form. 13/2600 useless extension candidates. Maximal degree in co-relation 53659. Up to 2200 conditions per place. [2021-03-25 22:19:30,950 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1094 selfloop transitions, 227 changer transitions 6/1335 dead transitions. [2021-03-25 22:19:30,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1335 transitions, 42517 flow [2021-03-25 22:19:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 22:19:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 22:19:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 636 transitions. [2021-03-25 22:19:30,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19806913734039241 [2021-03-25 22:19:30,951 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 636 transitions. [2021-03-25 22:19:30,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 636 transitions. [2021-03-25 22:19:30,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:19:30,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 636 transitions. [2021-03-25 22:19:30,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.473684210526315) internal successors, (636), 19 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:30,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 169.0) internal successors, (3380), 20 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:30,953 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 169.0) internal successors, (3380), 20 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:30,953 INFO L185 Difference]: Start difference. First operand has 975 places, 1291 transitions, 38184 flow. Second operand 19 states and 636 transitions. [2021-03-25 22:19:30,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1335 transitions, 42517 flow [2021-03-25 22:19:34,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 1335 transitions, 42040 flow, removed 24 selfloop flow, removed 15 redundant places. [2021-03-25 22:19:34,330 INFO L241 Difference]: Finished difference. Result has 984 places, 1305 transitions, 38849 flow [2021-03-25 22:19:34,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37715, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=38849, PETRI_PLACES=984, PETRI_TRANSITIONS=1305} [2021-03-25 22:19:34,330 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 945 predicate places. [2021-03-25 22:19:34,330 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 22:19:34,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 984 places, 1305 transitions, 38849 flow [2021-03-25 22:19:34,331 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 984 places, 1305 transitions, 38849 flow [2021-03-25 22:19:34,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 983 places, 1305 transitions, 38849 flow [2021-03-25 22:19:35,026 INFO L129 PetriNetUnfolder]: 983/2210 cut-off events. [2021-03-25 22:19:35,026 INFO L130 PetriNetUnfolder]: For 371528/371909 co-relation queries the response was YES. [2021-03-25 22:19:35,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43351 conditions, 2210 events. 983/2210 cut-off events. For 371528/371909 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18039 event pairs, 39 based on Foata normal form. 37/2211 useless extension candidates. Maximal degree in co-relation 42958. Up to 592 conditions per place. [2021-03-25 22:19:35,118 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-25 22:19:35,307 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:19:35,307 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:19:35,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 978 [2021-03-25 22:19:35,308 INFO L480 AbstractCegarLoop]: Abstraction has has 983 places, 1305 transitions, 38849 flow [2021-03-25 22:19:35,308 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) [2021-03-25 22:19:35,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:19:35,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:19:35,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-25 22:19:35,309 INFO L428 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 22:19:35,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:19:35,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1488355351, now seen corresponding path program 2 times [2021-03-25 22:19:35,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:19:35,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243021179] [2021-03-25 22:19:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:19:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:19:35,315 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 22:19:35,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:19:35,320 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 22:19:35,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:19:35,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 22:19:35,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:35,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:35,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:35,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 22:19:35,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:35,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:19:35,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:19:35,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-25 22:19:35,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:19:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:19:35,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243021179] [2021-03-25 22:19:35,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:19:35,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 22:19:35,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733925667] [2021-03-25 22:19:35,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 22:19:35,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:19:35,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 22:19:35,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-25 22:19:35,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-25 22:19:35,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1305 transitions, 38849 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) [2021-03-25 22:19:35,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:19:35,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-25 22:19:35,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:19:37,515 INFO L129 PetriNetUnfolder]: 1243/2589 cut-off events. [2021-03-25 22:19:37,515 INFO L130 PetriNetUnfolder]: For 463989/464010 co-relation queries the response was YES. [2021-03-25 22:19:37,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54375 conditions, 2589 events. 1243/2589 cut-off events. For 463989/464010 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 20086 event pairs, 186 based on Foata normal form. 12/2598 useless extension candidates. Maximal degree in co-relation 53979. Up to 2370 conditions per place. [2021-03-25 22:19:37,589 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1252 selfloop transitions, 55 changer transitions 8/1323 dead transitions. [2021-03-25 22:19:37,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1323 transitions, 42385 flow [2021-03-25 22:19:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 22:19:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 22:19:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 512 transitions. [2021-03-25 22:19:37,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1893491124260355 [2021-03-25 22:19:37,590 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 512 transitions. [2021-03-25 22:19:37,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 512 transitions. [2021-03-25 22:19:37,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:19:37,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 512 transitions. [2021-03-25 22:19:37,591 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) [2021-03-25 22:19:37,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:37,592 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:19:37,592 INFO L185 Difference]: Start difference. First operand has 983 places, 1305 transitions, 38849 flow. Second operand 16 states and 512 transitions. [2021-03-25 22:19:37,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1323 transitions, 42385 flow Received shutdown request... [2021-03-25 22:19:39,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-25 22:19:39,285 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 22:19:39,287 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 22:19:39,288 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 10:19:39 BasicIcfg [2021-03-25 22:19:39,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 22:19:39,288 INFO L168 Benchmark]: Toolchain (without parser) took 820640.96 ms. Allocated memory was 255.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 236.3 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 761.7 MB. Max. memory is 16.0 GB. [2021-03-25 22:19:39,288 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.3 MB in the end (delta: 90.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 22:19:39,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.77 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 22:19:39,288 INFO L168 Benchmark]: Boogie Preprocessor took 20.76 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.7 MB in the end (delta: 980.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 22:19:39,288 INFO L168 Benchmark]: RCFGBuilder took 236.25 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 237.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.0 GB. [2021-03-25 22:19:39,288 INFO L168 Benchmark]: TraceAbstraction took 820354.49 ms. Allocated memory was 255.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 236.7 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 761.3 MB. Max. memory is 16.0 GB. [2021-03-25 22:19:39,289 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.3 MB in the end (delta: 90.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.77 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.76 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.7 MB in the end (delta: 980.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 236.25 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 237.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 820354.49 ms. Allocated memory was 255.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 236.7 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 761.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 453.9ms, 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: 0, positive unconditional: 465, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 450, positive: 419, positive conditional: 0, positive unconditional: 419, 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: 450, positive: 419, positive conditional: 0, positive unconditional: 419, 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: 450, positive: 415, positive conditional: 0, positive unconditional: 415, 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: 133, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 450, unknown conditional: 0, unknown unconditional: 450] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.3ms, 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: 0, positive unconditional: 209, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 173, positive conditional: 0, positive unconditional: 173, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 36, unknown conditional: 0, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.7ms, 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: 173, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 35, unknown conditional: 0, unknown unconditional: 35] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.6ms, 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: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.6ms, 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): 77, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.4ms, 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): 77, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.7ms, 65 PlacesBefore, 59 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 49 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.4ms, 76 PlacesBefore, 73 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.2ms, 96 PlacesBefore, 94 PlacesAfterwards, 159 TransitionsBefore, 159 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 103 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.5ms, 115 PlacesBefore, 114 PlacesAfterwards, 177 TransitionsBefore, 177 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 185 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 185, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 2, negative conditional: 0, negative unconditional: 2, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 185, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.3ms, 107 PlacesBefore, 107 PlacesAfterwards, 156 TransitionsBefore, 156 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.8ms, 121 PlacesBefore, 121 PlacesAfterwards, 178 TransitionsBefore, 178 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.1ms, 142 PlacesBefore, 140 PlacesAfterwards, 219 TransitionsBefore, 219 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 92 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.3ms, 150 PlacesBefore, 150 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.7ms, 167 PlacesBefore, 161 PlacesAfterwards, 234 TransitionsBefore, 234 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.9ms, 176 PlacesBefore, 175 PlacesAfterwards, 253 TransitionsBefore, 253 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 104, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.1ms, 186 PlacesBefore, 185 PlacesAfterwards, 256 TransitionsBefore, 256 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.7ms, 189 PlacesBefore, 189 PlacesAfterwards, 266 TransitionsBefore, 266 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 56 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 56, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.4ms, 199 PlacesBefore, 197 PlacesAfterwards, 267 TransitionsBefore, 267 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.0ms, 200 PlacesBefore, 200 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 388 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.2ms, 204 PlacesBefore, 204 PlacesAfterwards, 270 TransitionsBefore, 270 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.4ms, 203 PlacesBefore, 201 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.3ms, 204 PlacesBefore, 202 PlacesAfterwards, 273 TransitionsBefore, 273 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.4ms, 207 PlacesBefore, 203 PlacesAfterwards, 269 TransitionsBefore, 269 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.5ms, 203 PlacesBefore, 201 PlacesAfterwards, 276 TransitionsBefore, 276 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.9ms, 207 PlacesBefore, 204 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.4ms, 205 PlacesBefore, 201 PlacesAfterwards, 272 TransitionsBefore, 272 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.9ms, 207 PlacesBefore, 205 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 63 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 63, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.2ms, 207 PlacesBefore, 203 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.2ms, 202 PlacesBefore, 201 PlacesAfterwards, 273 TransitionsBefore, 273 TransitionsAfterwards, 400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.8ms, 202 PlacesBefore, 196 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 396 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): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.2ms, 200 PlacesBefore, 198 PlacesAfterwards, 267 TransitionsBefore, 267 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.1ms, 198 PlacesBefore, 194 PlacesAfterwards, 264 TransitionsBefore, 264 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.4ms, 206 PlacesBefore, 202 PlacesAfterwards, 266 TransitionsBefore, 266 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.5ms, 206 PlacesBefore, 196 PlacesAfterwards, 259 TransitionsBefore, 259 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.9ms, 196 PlacesBefore, 196 PlacesAfterwards, 261 TransitionsBefore, 261 TransitionsAfterwards, 384 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): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.9ms, 198 PlacesBefore, 197 PlacesAfterwards, 272 TransitionsBefore, 272 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.5ms, 202 PlacesBefore, 201 PlacesAfterwards, 280 TransitionsBefore, 280 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 161.1ms, 222 PlacesBefore, 220 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 422 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.5ms, 230 PlacesBefore, 229 PlacesAfterwards, 347 TransitionsBefore, 347 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.1ms, 233 PlacesBefore, 233 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.1ms, 239 PlacesBefore, 236 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.5ms, 240 PlacesBefore, 238 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.4ms, 241 PlacesBefore, 239 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.3ms, 239 PlacesBefore, 235 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.1ms, 240 PlacesBefore, 237 PlacesAfterwards, 340 TransitionsBefore, 340 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.5ms, 244 PlacesBefore, 243 PlacesAfterwards, 369 TransitionsBefore, 369 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): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.3ms, 260 PlacesBefore, 259 PlacesAfterwards, 379 TransitionsBefore, 379 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.3ms, 266 PlacesBefore, 265 PlacesAfterwards, 384 TransitionsBefore, 384 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.4ms, 274 PlacesBefore, 273 PlacesAfterwards, 394 TransitionsBefore, 394 TransitionsAfterwards, 442 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.8ms, 289 PlacesBefore, 288 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.3ms, 298 PlacesBefore, 298 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 488 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.9ms, 308 PlacesBefore, 307 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159.0ms, 311 PlacesBefore, 310 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.8ms, 312 PlacesBefore, 306 PlacesAfterwards, 437 TransitionsBefore, 436 TransitionsAfterwards, 492 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.3ms, 305 PlacesBefore, 294 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.4ms, 298 PlacesBefore, 298 PlacesAfterwards, 433 TransitionsBefore, 433 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.7ms, 309 PlacesBefore, 303 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.1ms, 309 PlacesBefore, 309 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.5ms, 319 PlacesBefore, 319 PlacesAfterwards, 456 TransitionsBefore, 456 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 138.1ms, 323 PlacesBefore, 322 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.7ms, 330 PlacesBefore, 326 PlacesAfterwards, 460 TransitionsBefore, 460 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.4ms, 324 PlacesBefore, 322 PlacesAfterwards, 461 TransitionsBefore, 461 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 140.3ms, 331 PlacesBefore, 328 PlacesAfterwards, 458 TransitionsBefore, 458 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 145.2ms, 325 PlacesBefore, 321 PlacesAfterwards, 456 TransitionsBefore, 456 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.4ms, 327 PlacesBefore, 321 PlacesAfterwards, 453 TransitionsBefore, 453 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): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.7ms, 321 PlacesBefore, 317 PlacesAfterwards, 451 TransitionsBefore, 451 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.2ms, 321 PlacesBefore, 319 PlacesAfterwards, 452 TransitionsBefore, 452 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 188.2ms, 323 PlacesBefore, 320 PlacesAfterwards, 455 TransitionsBefore, 454 TransitionsAfterwards, 520 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.4ms, 324 PlacesBefore, 322 PlacesAfterwards, 455 TransitionsBefore, 455 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.4ms, 325 PlacesBefore, 323 PlacesAfterwards, 455 TransitionsBefore, 455 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 145.2ms, 325 PlacesBefore, 324 PlacesAfterwards, 458 TransitionsBefore, 458 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 169.3ms, 335 PlacesBefore, 332 PlacesAfterwards, 464 TransitionsBefore, 464 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.1ms, 338 PlacesBefore, 336 PlacesAfterwards, 465 TransitionsBefore, 465 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.9ms, 340 PlacesBefore, 338 PlacesAfterwards, 464 TransitionsBefore, 464 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 156.6ms, 350 PlacesBefore, 348 PlacesAfterwards, 478 TransitionsBefore, 478 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 275.5ms, 357 PlacesBefore, 354 PlacesAfterwards, 484 TransitionsBefore, 484 TransitionsAfterwards, 504 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.8ms, 362 PlacesBefore, 362 PlacesAfterwards, 502 TransitionsBefore, 502 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 225.8ms, 386 PlacesBefore, 383 PlacesAfterwards, 514 TransitionsBefore, 514 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.0ms, 399 PlacesBefore, 395 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.8ms, 405 PlacesBefore, 405 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.4ms, 407 PlacesBefore, 401 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.5ms, 402 PlacesBefore, 395 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.3ms, 398 PlacesBefore, 396 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.5ms, 399 PlacesBefore, 398 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.8ms, 402 PlacesBefore, 401 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.2ms, 402 PlacesBefore, 398 PlacesAfterwards, 524 TransitionsBefore, 524 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 275.3ms, 402 PlacesBefore, 398 PlacesAfterwards, 522 TransitionsBefore, 522 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.2ms, 397 PlacesBefore, 393 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 188.8ms, 398 PlacesBefore, 396 PlacesAfterwards, 521 TransitionsBefore, 521 TransitionsAfterwards, 554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.0ms, 396 PlacesBefore, 395 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 249.9ms, 397 PlacesBefore, 390 PlacesAfterwards, 516 TransitionsBefore, 516 TransitionsAfterwards, 544 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.6ms, 393 PlacesBefore, 389 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.6ms, 403 PlacesBefore, 397 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.0ms, 402 PlacesBefore, 402 PlacesAfterwards, 519 TransitionsBefore, 519 TransitionsAfterwards, 542 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.0ms, 403 PlacesBefore, 396 PlacesAfterwards, 514 TransitionsBefore, 514 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.1ms, 397 PlacesBefore, 395 PlacesAfterwards, 520 TransitionsBefore, 520 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.6ms, 403 PlacesBefore, 401 PlacesAfterwards, 520 TransitionsBefore, 520 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 199.4ms, 407 PlacesBefore, 407 PlacesAfterwards, 527 TransitionsBefore, 527 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.4ms, 411 PlacesBefore, 410 PlacesAfterwards, 525 TransitionsBefore, 525 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.1ms, 421 PlacesBefore, 418 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 546 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 286.1ms, 437 PlacesBefore, 435 PlacesAfterwards, 554 TransitionsBefore, 553 TransitionsAfterwards, 548 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.0ms, 448 PlacesBefore, 447 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 277.4ms, 460 PlacesBefore, 459 PlacesAfterwards, 580 TransitionsBefore, 580 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): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 425.1ms, 473 PlacesBefore, 472 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 364.0ms, 483 PlacesBefore, 482 PlacesAfterwards, 618 TransitionsBefore, 618 TransitionsAfterwards, 594 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: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.7ms, 495 PlacesBefore, 494 PlacesAfterwards, 645 TransitionsBefore, 645 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.9ms, 504 PlacesBefore, 504 PlacesAfterwards, 655 TransitionsBefore, 655 TransitionsAfterwards, 624 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 306.5ms, 511 PlacesBefore, 510 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.6ms, 513 PlacesBefore, 511 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.4ms, 514 PlacesBefore, 508 PlacesAfterwards, 653 TransitionsBefore, 653 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.0ms, 519 PlacesBefore, 515 PlacesAfterwards, 672 TransitionsBefore, 672 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 325.1ms, 521 PlacesBefore, 517 PlacesAfterwards, 668 TransitionsBefore, 668 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.7ms, 516 PlacesBefore, 515 PlacesAfterwards, 671 TransitionsBefore, 671 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 323.2ms, 524 PlacesBefore, 524 PlacesAfterwards, 676 TransitionsBefore, 676 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 347.5ms, 530 PlacesBefore, 529 PlacesAfterwards, 683 TransitionsBefore, 683 TransitionsAfterwards, 580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 348.7ms, 540 PlacesBefore, 537 PlacesAfterwards, 684 TransitionsBefore, 684 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): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 496.3ms, 542 PlacesBefore, 542 PlacesAfterwards, 702 TransitionsBefore, 702 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: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.6ms, 546 PlacesBefore, 536 PlacesAfterwards, 696 TransitionsBefore, 696 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: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 464.7ms, 543 PlacesBefore, 543 PlacesAfterwards, 710 TransitionsBefore, 710 TransitionsAfterwards, 634 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.6ms, 550 PlacesBefore, 550 PlacesAfterwards, 715 TransitionsBefore, 715 TransitionsAfterwards, 626 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.8ms, 553 PlacesBefore, 552 PlacesAfterwards, 717 TransitionsBefore, 717 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 433.4ms, 556 PlacesBefore, 556 PlacesAfterwards, 736 TransitionsBefore, 736 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 361.2ms, 559 PlacesBefore, 558 PlacesAfterwards, 735 TransitionsBefore, 735 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 391.5ms, 566 PlacesBefore, 565 PlacesAfterwards, 740 TransitionsBefore, 740 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 399.3ms, 569 PlacesBefore, 567 PlacesAfterwards, 741 TransitionsBefore, 741 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.9ms, 570 PlacesBefore, 566 PlacesAfterwards, 739 TransitionsBefore, 739 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.9ms, 572 PlacesBefore, 566 PlacesAfterwards, 732 TransitionsBefore, 732 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 430.2ms, 571 PlacesBefore, 571 PlacesAfterwards, 769 TransitionsBefore, 769 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 423.9ms, 580 PlacesBefore, 574 PlacesAfterwards, 764 TransitionsBefore, 764 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 446.6ms, 578 PlacesBefore, 578 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 555.0ms, 585 PlacesBefore, 585 PlacesAfterwards, 810 TransitionsBefore, 810 TransitionsAfterwards, 642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.9ms, 594 PlacesBefore, 591 PlacesAfterwards, 808 TransitionsBefore, 808 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.7ms, 598 PlacesBefore, 597 PlacesAfterwards, 827 TransitionsBefore, 827 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 492.7ms, 608 PlacesBefore, 607 PlacesAfterwards, 834 TransitionsBefore, 834 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): 43, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 584.4ms, 615 PlacesBefore, 613 PlacesAfterwards, 852 TransitionsBefore, 852 TransitionsAfterwards, 660 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 666.4ms, 623 PlacesBefore, 622 PlacesAfterwards, 855 TransitionsBefore, 855 TransitionsAfterwards, 660 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 646.4ms, 631 PlacesBefore, 630 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 662 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 0, positive unconditional: 1, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 661.9ms, 635 PlacesBefore, 633 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 662 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 0, positive unconditional: 1, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 545.0ms, 642 PlacesBefore, 638 PlacesAfterwards, 861 TransitionsBefore, 861 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): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 542.4ms, 644 PlacesBefore, 642 PlacesAfterwards, 861 TransitionsBefore, 861 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): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 512.8ms, 646 PlacesBefore, 645 PlacesAfterwards, 863 TransitionsBefore, 863 TransitionsAfterwards, 662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 560.8ms, 648 PlacesBefore, 645 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.6ms, 645 PlacesBefore, 637 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 473.8ms, 643 PlacesBefore, 639 PlacesAfterwards, 853 TransitionsBefore, 853 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): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.8ms, 640 PlacesBefore, 635 PlacesAfterwards, 849 TransitionsBefore, 849 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): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 554.9ms, 633 PlacesBefore, 628 PlacesAfterwards, 846 TransitionsBefore, 846 TransitionsAfterwards, 650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.7ms, 639 PlacesBefore, 638 PlacesAfterwards, 859 TransitionsBefore, 859 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): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 678.7ms, 648 PlacesBefore, 644 PlacesAfterwards, 864 TransitionsBefore, 864 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): 44, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 789.7ms, 660 PlacesBefore, 659 PlacesAfterwards, 917 TransitionsBefore, 917 TransitionsAfterwards, 710 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 3, positive conditional: 0, positive unconditional: 3, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 567.1ms, 668 PlacesBefore, 665 PlacesAfterwards, 914 TransitionsBefore, 914 TransitionsAfterwards, 710 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 713.1ms, 669 PlacesBefore, 669 PlacesAfterwards, 948 TransitionsBefore, 948 TransitionsAfterwards, 726 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 727.1ms, 684 PlacesBefore, 682 PlacesAfterwards, 978 TransitionsBefore, 978 TransitionsAfterwards, 754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 742.5ms, 688 PlacesBefore, 687 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1093.2ms, 701 PlacesBefore, 700 PlacesAfterwards, 1011 TransitionsBefore, 1011 TransitionsAfterwards, 786 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 0, positive unconditional: 1, negative: 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: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 956.1ms, 718 PlacesBefore, 715 PlacesAfterwards, 1044 TransitionsBefore, 1044 TransitionsAfterwards, 808 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 885.2ms, 732 PlacesBefore, 731 PlacesAfterwards, 1064 TransitionsBefore, 1064 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 809.1ms, 735 PlacesBefore, 734 PlacesAfterwards, 1069 TransitionsBefore, 1069 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 700.0ms, 745 PlacesBefore, 741 PlacesAfterwards, 1071 TransitionsBefore, 1071 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1407.6ms, 751 PlacesBefore, 745 PlacesAfterwards, 1085 TransitionsBefore, 1085 TransitionsAfterwards, 820 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): 37, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1089.3ms, 760 PlacesBefore, 759 PlacesAfterwards, 1093 TransitionsBefore, 1093 TransitionsAfterwards, 830 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 948.8ms, 761 PlacesBefore, 760 PlacesAfterwards, 1096 TransitionsBefore, 1096 TransitionsAfterwards, 830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 821.4ms, 765 PlacesBefore, 765 PlacesAfterwards, 1095 TransitionsBefore, 1095 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 802.2ms, 767 PlacesBefore, 766 PlacesAfterwards, 1095 TransitionsBefore, 1095 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 802.9ms, 765 PlacesBefore, 759 PlacesAfterwards, 1091 TransitionsBefore, 1091 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 773.1ms, 765 PlacesBefore, 763 PlacesAfterwards, 1096 TransitionsBefore, 1096 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 905.0ms, 768 PlacesBefore, 766 PlacesAfterwards, 1098 TransitionsBefore, 1098 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 807.9ms, 772 PlacesBefore, 769 PlacesAfterwards, 1100 TransitionsBefore, 1100 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 949.4ms, 769 PlacesBefore, 768 PlacesAfterwards, 1102 TransitionsBefore, 1102 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 804.2ms, 772 PlacesBefore, 765 PlacesAfterwards, 1093 TransitionsBefore, 1093 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1195.7ms, 772 PlacesBefore, 771 PlacesAfterwards, 1107 TransitionsBefore, 1107 TransitionsAfterwards, 844 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 847.5ms, 779 PlacesBefore, 778 PlacesAfterwards, 1119 TransitionsBefore, 1119 TransitionsAfterwards, 844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1030.3ms, 786 PlacesBefore, 783 PlacesAfterwards, 1117 TransitionsBefore, 1117 TransitionsAfterwards, 844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1006.3ms, 789 PlacesBefore, 787 PlacesAfterwards, 1129 TransitionsBefore, 1129 TransitionsAfterwards, 894 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 949.1ms, 790 PlacesBefore, 789 PlacesAfterwards, 1130 TransitionsBefore, 1130 TransitionsAfterwards, 898 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1011.1ms, 792 PlacesBefore, 788 PlacesAfterwards, 1127 TransitionsBefore, 1127 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 866.0ms, 791 PlacesBefore, 787 PlacesAfterwards, 1125 TransitionsBefore, 1125 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1007.3ms, 791 PlacesBefore, 790 PlacesAfterwards, 1129 TransitionsBefore, 1129 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1249.4ms, 800 PlacesBefore, 800 PlacesAfterwards, 1137 TransitionsBefore, 1137 TransitionsAfterwards, 886 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1075.8ms, 813 PlacesBefore, 813 PlacesAfterwards, 1142 TransitionsBefore, 1142 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 868.8ms, 814 PlacesBefore, 813 PlacesAfterwards, 1138 TransitionsBefore, 1138 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1039.5ms, 809 PlacesBefore, 807 PlacesAfterwards, 1135 TransitionsBefore, 1135 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1108.4ms, 818 PlacesBefore, 818 PlacesAfterwards, 1150 TransitionsBefore, 1150 TransitionsAfterwards, 894 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1346.6ms, 827 PlacesBefore, 824 PlacesAfterwards, 1153 TransitionsBefore, 1153 TransitionsAfterwards, 894 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1086.9ms, 827 PlacesBefore, 827 PlacesAfterwards, 1152 TransitionsBefore, 1152 TransitionsAfterwards, 890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1034.8ms, 825 PlacesBefore, 824 PlacesAfterwards, 1150 TransitionsBefore, 1150 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 794.9ms, 825 PlacesBefore, 824 PlacesAfterwards, 1147 TransitionsBefore, 1147 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 793.2ms, 826 PlacesBefore, 825 PlacesAfterwards, 1155 TransitionsBefore, 1155 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1127.0ms, 830 PlacesBefore, 828 PlacesAfterwards, 1159 TransitionsBefore, 1158 TransitionsAfterwards, 890 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 819.1ms, 832 PlacesBefore, 831 PlacesAfterwards, 1163 TransitionsBefore, 1163 TransitionsAfterwards, 890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 911.6ms, 844 PlacesBefore, 841 PlacesAfterwards, 1172 TransitionsBefore, 1172 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 822.2ms, 849 PlacesBefore, 848 PlacesAfterwards, 1173 TransitionsBefore, 1173 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 858.4ms, 853 PlacesBefore, 852 PlacesAfterwards, 1187 TransitionsBefore, 1187 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 839.4ms, 860 PlacesBefore, 859 PlacesAfterwards, 1184 TransitionsBefore, 1184 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 901.8ms, 863 PlacesBefore, 862 PlacesAfterwards, 1212 TransitionsBefore, 1212 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 878.6ms, 872 PlacesBefore, 867 PlacesAfterwards, 1208 TransitionsBefore, 1208 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1130.4ms, 867 PlacesBefore, 865 PlacesAfterwards, 1211 TransitionsBefore, 1210 TransitionsAfterwards, 920 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1163.2ms, 866 PlacesBefore, 864 PlacesAfterwards, 1215 TransitionsBefore, 1214 TransitionsAfterwards, 922 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 876.6ms, 876 PlacesBefore, 873 PlacesAfterwards, 1216 TransitionsBefore, 1216 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 860.9ms, 872 PlacesBefore, 869 PlacesAfterwards, 1221 TransitionsBefore, 1221 TransitionsAfterwards, 926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1130.1ms, 878 PlacesBefore, 876 PlacesAfterwards, 1223 TransitionsBefore, 1223 TransitionsAfterwards, 924 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 903.8ms, 880 PlacesBefore, 879 PlacesAfterwards, 1222 TransitionsBefore, 1222 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1167.5ms, 883 PlacesBefore, 881 PlacesAfterwards, 1222 TransitionsBefore, 1222 TransitionsAfterwards, 924 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.8ms, 882 PlacesBefore, 877 PlacesAfterwards, 1219 TransitionsBefore, 1219 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 879.2ms, 876 PlacesBefore, 876 PlacesAfterwards, 1218 TransitionsBefore, 1218 TransitionsAfterwards, 922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 916.9ms, 882 PlacesBefore, 879 PlacesAfterwards, 1225 TransitionsBefore, 1225 TransitionsAfterwards, 928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 915.9ms, 893 PlacesBefore, 891 PlacesAfterwards, 1240 TransitionsBefore, 1240 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.1ms, 894 PlacesBefore, 893 PlacesAfterwards, 1244 TransitionsBefore, 1244 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1320.2ms, 901 PlacesBefore, 897 PlacesAfterwards, 1242 TransitionsBefore, 1242 TransitionsAfterwards, 938 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1232.5ms, 899 PlacesBefore, 899 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1002.6ms, 906 PlacesBefore, 901 PlacesAfterwards, 1248 TransitionsBefore, 1248 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.3ms, 900 PlacesBefore, 899 PlacesAfterwards, 1248 TransitionsBefore, 1248 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 919.1ms, 905 PlacesBefore, 904 PlacesAfterwards, 1248 TransitionsBefore, 1248 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1212.8ms, 908 PlacesBefore, 906 PlacesAfterwards, 1255 TransitionsBefore, 1254 TransitionsAfterwards, 942 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 923.6ms, 910 PlacesBefore, 907 PlacesAfterwards, 1253 TransitionsBefore, 1253 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1243.5ms, 909 PlacesBefore, 904 PlacesAfterwards, 1249 TransitionsBefore, 1249 TransitionsAfterwards, 940 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 944.5ms, 906 PlacesBefore, 904 PlacesAfterwards, 1252 TransitionsBefore, 1252 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 978.4ms, 908 PlacesBefore, 904 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 921.2ms, 909 PlacesBefore, 907 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1178.2ms, 912 PlacesBefore, 910 PlacesAfterwards, 1253 TransitionsBefore, 1252 TransitionsAfterwards, 942 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.1ms, 914 PlacesBefore, 912 PlacesAfterwards, 1252 TransitionsBefore, 1252 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 945.1ms, 913 PlacesBefore, 910 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 928.7ms, 911 PlacesBefore, 909 PlacesAfterwards, 1249 TransitionsBefore, 1249 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.3ms, 911 PlacesBefore, 909 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 952.0ms, 918 PlacesBefore, 917 PlacesAfterwards, 1260 TransitionsBefore, 1260 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1259.4ms, 924 PlacesBefore, 922 PlacesAfterwards, 1263 TransitionsBefore, 1262 TransitionsAfterwards, 948 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 958.3ms, 923 PlacesBefore, 921 PlacesAfterwards, 1262 TransitionsBefore, 1262 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 954.7ms, 924 PlacesBefore, 922 PlacesAfterwards, 1259 TransitionsBefore, 1259 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 967.8ms, 922 PlacesBefore, 920 PlacesAfterwards, 1259 TransitionsBefore, 1259 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1180.6ms, 926 PlacesBefore, 926 PlacesAfterwards, 1260 TransitionsBefore, 1260 TransitionsAfterwards, 956 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 905.9ms, 934 PlacesBefore, 930 PlacesAfterwards, 1258 TransitionsBefore, 1258 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 904.2ms, 934 PlacesBefore, 932 PlacesAfterwards, 1261 TransitionsBefore, 1261 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.2ms, 935 PlacesBefore, 933 PlacesAfterwards, 1259 TransitionsBefore, 1259 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 967.1ms, 939 PlacesBefore, 934 PlacesAfterwards, 1257 TransitionsBefore, 1257 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 951.4ms, 930 PlacesBefore, 924 PlacesAfterwards, 1253 TransitionsBefore, 1253 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 974.0ms, 930 PlacesBefore, 927 PlacesAfterwards, 1257 TransitionsBefore, 1257 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1286.8ms, 944 PlacesBefore, 937 PlacesAfterwards, 1256 TransitionsBefore, 1256 TransitionsAfterwards, 948 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 954.3ms, 937 PlacesBefore, 934 PlacesAfterwards, 1256 TransitionsBefore, 1256 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1228.3ms, 939 PlacesBefore, 935 PlacesAfterwards, 1260 TransitionsBefore, 1260 TransitionsAfterwards, 944 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1372.8ms, 938 PlacesBefore, 936 PlacesAfterwards, 1264 TransitionsBefore, 1264 TransitionsAfterwards, 948 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): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1046.2ms, 941 PlacesBefore, 940 PlacesAfterwards, 1267 TransitionsBefore, 1267 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1033.6ms, 952 PlacesBefore, 949 PlacesAfterwards, 1273 TransitionsBefore, 1273 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1013.2ms, 960 PlacesBefore, 959 PlacesAfterwards, 1280 TransitionsBefore, 1280 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 993.3ms, 968 PlacesBefore, 964 PlacesAfterwards, 1277 TransitionsBefore, 1277 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 996.6ms, 967 PlacesBefore, 960 PlacesAfterwards, 1275 TransitionsBefore, 1275 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 996.8ms, 964 PlacesBefore, 963 PlacesAfterwards, 1284 TransitionsBefore, 1284 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1001.3ms, 969 PlacesBefore, 967 PlacesAfterwards, 1296 TransitionsBefore, 1296 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1029.3ms, 977 PlacesBefore, 971 PlacesAfterwards, 1293 TransitionsBefore, 1293 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1029.3ms, 972 PlacesBefore, 970 PlacesAfterwards, 1294 TransitionsBefore, 1294 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1017.8ms, 975 PlacesBefore, 971 PlacesAfterwards, 1292 TransitionsBefore, 1292 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1040.7ms, 979 PlacesBefore, 975 PlacesAfterwards, 1291 TransitionsBefore, 1291 TransitionsAfterwards, 966 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 976.8ms, 984 PlacesBefore, 983 PlacesAfterwards, 1305 TransitionsBefore, 1305 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, 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 executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 820270.9ms, OverallIterations: 252, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 653394.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 562.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9896 SDtfs, 5338 SDslu, 13247 SDs, 0 SdLazy, 174152 SolverSat, 3405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55520.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3893 GetRequests, 82 SyntacticMatches, 330 SemanticMatches, 3481 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3485 ImplicationChecksByTransitivity, 40486.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=38849occurred in iteration=251, InterpolantAutomatonStates: 3608, 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: 119.6ms SsaConstructionTime, 497.4ms SatisfiabilityAnalysisTime, 28500.1ms InterpolantComputationTime, 4845 NumberOfCodeBlocks, 4845 NumberOfCodeBlocksAsserted, 252 NumberOfCheckSat, 4593 ConstructedInterpolants, 0 QuantifiedInterpolants, 50968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 252 InterpolantComputations, 252 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