/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 23:00:23,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 23:00:23,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 23:00:23,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 23:00:23,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 23:00:23,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 23:00:23,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 23:00:23,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 23:00:23,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 23:00:23,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 23:00:23,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 23:00:23,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 23:00:23,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 23:00:23,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 23:00:23,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 23:00:23,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 23:00:23,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 23:00:23,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 23:00:23,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 23:00:23,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 23:00:23,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 23:00:23,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 23:00:23,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 23:00:23,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 23:00:23,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 23:00:23,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 23:00:23,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 23:00:23,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 23:00:23,507 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 23:00:23,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 23:00:23,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 23:00:23,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 23:00:23,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 23:00:23,542 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 23:00:23,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 23:00:23,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 23:00:23,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 23:00:23,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 23:00:23,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 23:00:23,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 23:00:23,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 23:00:23,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 23:00:23,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 23:00:23,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 23:00:23,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 23:00:23,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 23:00:23,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 23:00:23,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 23:00:23,778 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 23:00:23,779 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 23:00:23,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-06-11 23:00:23,780 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-06-11 23:00:23,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 23:00:23,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 23:00:23,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 23:00:23,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 23:00:23,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 23:00:23,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 23:00:23,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 23:00:23,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 23:00:23,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 23:00:23,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/1) ... [2021-06-11 23:00:23,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 23:00:23,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 23:00:23,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 23:00:23,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 23:00:23,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (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 [2021-06-11 23:00:23,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 23:00:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 23:00:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 23:00:23,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 23:00:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 23:00:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 23:00:23,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 23:00:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 23:00:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 23:00:23,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 23:00:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 23:00:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 23:00:23,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-11 23:00:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-11 23:00:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-11 23:00:23,904 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 23:00:24,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 23:00:24,085 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 23:00:24,086 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 11:00:24 BoogieIcfgContainer [2021-06-11 23:00:24,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 23:00:24,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 23:00:24,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 23:00:24,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 23:00:24,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:00:23" (1/2) ... [2021-06-11 23:00:24,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d03dbf and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 11:00:24, skipping insertion in model container [2021-06-11 23:00:24,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 11:00:24" (2/2) ... [2021-06-11 23:00:24,091 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-06-11 23:00:24,094 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 23:00:24,096 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 23:00:24,097 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 23:00:24,150 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-11 23:00:24,181 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-11 23:00:24,198 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 23:00:24,198 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 23:00:24,198 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 23:00:24,198 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 23:00:24,198 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 23:00:24,198 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 23:00:24,198 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 23:00:24,198 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 23:00:24,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 122 flow [2021-06-11 23:00:24,233 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-06-11 23:00:24,234 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 23:00:24,235 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. [2021-06-11 23:00:24,235 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 45 transitions, 122 flow [2021-06-11 23:00:24,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 102 flow [2021-06-11 23:00:24,240 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:24,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 102 flow [2021-06-11 23:00:24,255 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 102 flow [2021-06-11 23:00:24,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 102 flow [2021-06-11 23:00:24,265 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-06-11 23:00:24,265 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 23:00:24,265 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. [2021-06-11 23:00:24,267 INFO L151 LiptonReduction]: Number of co-enabled transitions 756 [2021-06-11 23:00:24,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,630 INFO L163 LiptonReduction]: Checked pairs total: 936 [2021-06-11 23:00:24,630 INFO L165 LiptonReduction]: Total number of compositions: 13 [2021-06-11 23:00:24,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-06-11 23:00:24,653 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-06-11 23:00:24,653 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 23:00:24,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:24,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:24,654 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:24,665 INFO L82 PathProgramCache]: Analyzing trace with hash 282617581, now seen corresponding path program 1 times [2021-06-11 23:00:24,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:24,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913685451] [2021-06-11 23:00:24,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:24,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 23:00:24,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:24,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913685451] [2021-06-11 23:00:24,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:24,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 23:00:24,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185972796] [2021-06-11 23:00:24,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 23:00:24,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:24,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 23:00:24,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 23:00:24,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 58 [2021-06-11 23:00:24,783 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) [2021-06-11 23:00:24,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:24,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 58 [2021-06-11 23:00:24,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:24,806 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-06-11 23:00:24,806 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-11 23:00:24,807 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. [2021-06-11 23:00:24,808 INFO L132 encePairwiseOnDemand]: 55/58 looper letters, 2 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-06-11 23:00:24,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 26 transitions, 84 flow [2021-06-11 23:00:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 23:00:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 23:00:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2021-06-11 23:00:24,819 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2021-06-11 23:00:24,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 155 transitions. [2021-06-11 23:00:24,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 155 transitions. [2021-06-11 23:00:24,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:24,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 155 transitions. [2021-06-11 23:00:24,826 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) [2021-06-11 23:00:24,831 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) [2021-06-11 23:00:24,832 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) [2021-06-11 23:00:24,833 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 76 flow. Second operand 3 states and 155 transitions. [2021-06-11 23:00:24,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 26 transitions, 84 flow [2021-06-11 23:00:24,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 68 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-11 23:00:24,839 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 68 flow [2021-06-11 23:00:24,841 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} [2021-06-11 23:00:24,845 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-06-11 23:00:24,845 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:24,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 68 flow [2021-06-11 23:00:24,846 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 68 flow [2021-06-11 23:00:24,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 68 flow [2021-06-11 23:00:24,855 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-06-11 23:00:24,855 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 23:00:24,856 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. [2021-06-11 23:00:24,856 INFO L151 LiptonReduction]: Number of co-enabled transitions 280 [2021-06-11 23:00:24,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,897 INFO L163 LiptonReduction]: Checked pairs total: 508 [2021-06-11 23:00:24,898 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:00:24,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-06-11 23:00:24,900 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 66 flow [2021-06-11 23:00:24,900 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) [2021-06-11 23:00:24,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:24,901 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] [2021-06-11 23:00:24,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 23:00:24,901 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:24,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:24,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1092250881, now seen corresponding path program 2 times [2021-06-11 23:00:24,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:24,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935851836] [2021-06-11 23:00:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:24,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 23:00:24,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:24,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935851836] [2021-06-11 23:00:24,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:24,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 23:00:24,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994454687] [2021-06-11 23:00:24,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 23:00:24,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:24,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 23:00:24,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 23:00:24,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 59 [2021-06-11 23:00:24,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:24,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:24,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 59 [2021-06-11 23:00:24,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:24,959 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-06-11 23:00:24,959 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 23:00:24,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 29 events. 1/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 1 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2021-06-11 23:00:24,960 INFO L132 encePairwiseOnDemand]: 56/59 looper letters, 2 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-06-11 23:00:24,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 25 transitions, 74 flow [2021-06-11 23:00:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 23:00:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 23:00:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2021-06-11 23:00:24,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8926553672316384 [2021-06-11 23:00:24,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions. [2021-06-11 23:00:24,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions. [2021-06-11 23:00:24,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:24,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions. [2021-06-11 23:00:24,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:24,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:24,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:24,963 INFO L185 Difference]: Start difference. First operand has 33 places, 25 transitions, 66 flow. Second operand 3 states and 158 transitions. [2021-06-11 23:00:24,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 25 transitions, 74 flow [2021-06-11 23:00:24,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 25 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 23:00:24,964 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 70 flow [2021-06-11 23:00:24,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-06-11 23:00:24,964 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-06-11 23:00:24,964 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:24,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 70 flow [2021-06-11 23:00:24,965 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 70 flow [2021-06-11 23:00:24,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 70 flow [2021-06-11 23:00:24,968 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-06-11 23:00:24,968 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 23:00:24,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 25 events. 0/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 23:00:24,969 INFO L151 LiptonReduction]: Number of co-enabled transitions 246 [2021-06-11 23:00:24,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:24,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:24,989 INFO L163 LiptonReduction]: Checked pairs total: 288 [2021-06-11 23:00:24,989 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:00:24,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 23:00:24,990 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 68 flow [2021-06-11 23:00:24,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:24,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:24,990 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] [2021-06-11 23:00:24,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 23:00:24,991 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:24,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:24,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1271634261, now seen corresponding path program 1 times [2021-06-11 23:00:24,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:24,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314364522] [2021-06-11 23:00:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:25,116 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:25,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:25,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:25,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:25,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:25,292 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-06-11 23:00:25,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 23:00:25,318 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 23:00:25,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:25,339 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:00:25,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:25,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314364522] [2021-06-11 23:00:25,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:25,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:00:25,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691704294] [2021-06-11 23:00:25,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:00:25,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:25,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:00:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:00:25,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-06-11 23:00:25,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 68 flow. Second operand has 15 states, 15 states have (on average 27.133333333333333) internal successors, (407), 15 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) [2021-06-11 23:00:25,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:25,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-06-11 23:00:25,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:26,405 INFO L129 PetriNetUnfolder]: 945/1464 cut-off events. [2021-06-11 23:00:26,405 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2021-06-11 23:00:26,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3282 conditions, 1464 events. 945/1464 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6486 event pairs, 514 based on Foata normal form. 1/1462 useless extension candidates. Maximal degree in co-relation 3214. Up to 1109 conditions per place. [2021-06-11 23:00:26,416 INFO L132 encePairwiseOnDemand]: 44/60 looper letters, 47 selfloop transitions, 69 changer transitions 3/127 dead transitions. [2021-06-11 23:00:26,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 127 transitions, 566 flow [2021-06-11 23:00:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 23:00:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 23:00:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 744 transitions. [2021-06-11 23:00:26,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5166666666666667 [2021-06-11 23:00:26,420 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 744 transitions. [2021-06-11 23:00:26,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 744 transitions. [2021-06-11 23:00:26,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:26,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 744 transitions. [2021-06-11 23:00:26,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.0) internal successors, (744), 24 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:26,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 60.0) internal successors, (1500), 25 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:26,425 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 60.0) internal successors, (1500), 25 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:26,425 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 68 flow. Second operand 24 states and 744 transitions. [2021-06-11 23:00:26,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 127 transitions, 566 flow [2021-06-11 23:00:26,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 127 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 23:00:26,428 INFO L241 Difference]: Finished difference. Result has 63 places, 93 transitions, 450 flow [2021-06-11 23:00:26,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=450, PETRI_PLACES=63, PETRI_TRANSITIONS=93} [2021-06-11 23:00:26,429 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 24 predicate places. [2021-06-11 23:00:26,429 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:26,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 93 transitions, 450 flow [2021-06-11 23:00:26,429 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 93 transitions, 450 flow [2021-06-11 23:00:26,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 93 transitions, 450 flow [2021-06-11 23:00:26,449 INFO L129 PetriNetUnfolder]: 236/490 cut-off events. [2021-06-11 23:00:26,449 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-06-11 23:00:26,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 490 events. 236/490 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2582 event pairs, 65 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 1077. Up to 343 conditions per place. [2021-06-11 23:00:26,453 INFO L151 LiptonReduction]: Number of co-enabled transitions 398 [2021-06-11 23:00:26,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:26,502 INFO L163 LiptonReduction]: Checked pairs total: 3 [2021-06-11 23:00:26,502 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:00:26,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-06-11 23:00:26,503 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 93 transitions, 450 flow [2021-06-11 23:00:26,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.133333333333333) internal successors, (407), 15 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) [2021-06-11 23:00:26,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:26,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:26,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 23:00:26,503 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:26,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:26,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1508065079, now seen corresponding path program 1 times [2021-06-11 23:00:26,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:26,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561120798] [2021-06-11 23:00:26,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:26,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 23:00:26,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:26,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561120798] [2021-06-11 23:00:26,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:26,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 23:00:26,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463647817] [2021-06-11 23:00:26,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 23:00:26,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:26,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 23:00:26,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 23:00:26,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 61 [2021-06-11 23:00:26,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 93 transitions, 450 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) [2021-06-11 23:00:26,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:26,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 61 [2021-06-11 23:00:26,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:26,543 INFO L129 PetriNetUnfolder]: 245/494 cut-off events. [2021-06-11 23:00:26,543 INFO L130 PetriNetUnfolder]: For 222/222 co-relation queries the response was YES. [2021-06-11 23:00:26,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 494 events. 245/494 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2518 event pairs, 103 based on Foata normal form. 18/504 useless extension candidates. Maximal degree in co-relation 1191. Up to 356 conditions per place. [2021-06-11 23:00:26,546 INFO L132 encePairwiseOnDemand]: 57/61 looper letters, 6 selfloop transitions, 14 changer transitions 0/76 dead transitions. [2021-06-11 23:00:26,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 76 transitions, 413 flow [2021-06-11 23:00:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 23:00:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 23:00:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2021-06-11 23:00:26,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8852459016393442 [2021-06-11 23:00:26,547 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 162 transitions. [2021-06-11 23:00:26,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 162 transitions. [2021-06-11 23:00:26,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:26,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 162 transitions. [2021-06-11 23:00:26,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:26,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 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) [2021-06-11 23:00:26,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 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) [2021-06-11 23:00:26,548 INFO L185 Difference]: Start difference. First operand has 61 places, 93 transitions, 450 flow. Second operand 3 states and 162 transitions. [2021-06-11 23:00:26,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 76 transitions, 413 flow [2021-06-11 23:00:26,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 76 transitions, 403 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-11 23:00:26,551 INFO L241 Difference]: Finished difference. Result has 60 places, 76 transitions, 409 flow [2021-06-11 23:00:26,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=60, PETRI_TRANSITIONS=76} [2021-06-11 23:00:26,552 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 21 predicate places. [2021-06-11 23:00:26,552 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:26,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 76 transitions, 409 flow [2021-06-11 23:00:26,552 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 76 transitions, 409 flow [2021-06-11 23:00:26,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 76 transitions, 409 flow [2021-06-11 23:00:26,566 INFO L129 PetriNetUnfolder]: 163/351 cut-off events. [2021-06-11 23:00:26,566 INFO L130 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2021-06-11 23:00:26,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 934 conditions, 351 events. 163/351 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1717 event pairs, 74 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 880. Up to 248 conditions per place. [2021-06-11 23:00:26,569 INFO L151 LiptonReduction]: Number of co-enabled transitions 282 [2021-06-11 23:00:26,575 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:26,575 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:26,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 23:00:26,576 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 76 transitions, 409 flow [2021-06-11 23:00:26,576 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) [2021-06-11 23:00:26,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:26,576 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:26,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 23:00:26,576 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:26,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1383199603, now seen corresponding path program 2 times [2021-06-11 23:00:26,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:26,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85114904] [2021-06-11 23:00:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:26,642 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:26,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:26,647 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:26,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:26,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:26,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:26,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:26,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:26,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:26,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:26,806 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 23:00:26,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:26,827 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:00:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:26,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85114904] [2021-06-11 23:00:26,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:26,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-11 23:00:26,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412076156] [2021-06-11 23:00:26,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 23:00:26,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:26,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 23:00:26,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-06-11 23:00:26,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-06-11 23:00:26,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 76 transitions, 409 flow. Second operand has 16 states, 16 states have (on average 27.0) internal successors, (432), 16 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) [2021-06-11 23:00:26,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:26,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-06-11 23:00:26,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:27,986 INFO L129 PetriNetUnfolder]: 755/1214 cut-off events. [2021-06-11 23:00:27,986 INFO L130 PetriNetUnfolder]: For 1413/1421 co-relation queries the response was YES. [2021-06-11 23:00:27,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4376 conditions, 1214 events. 755/1214 cut-off events. For 1413/1421 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5331 event pairs, 216 based on Foata normal form. 7/1219 useless extension candidates. Maximal degree in co-relation 4300. Up to 921 conditions per place. [2021-06-11 23:00:27,992 INFO L132 encePairwiseOnDemand]: 45/61 looper letters, 93 selfloop transitions, 90 changer transitions 6/197 dead transitions. [2021-06-11 23:00:27,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 197 transitions, 1382 flow [2021-06-11 23:00:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-11 23:00:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-11 23:00:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 977 transitions. [2021-06-11 23:00:27,995 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5005122950819673 [2021-06-11 23:00:27,995 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 977 transitions. [2021-06-11 23:00:27,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 977 transitions. [2021-06-11 23:00:27,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:27,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 977 transitions. [2021-06-11 23:00:27,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 30.53125) internal successors, (977), 32 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:27,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 61.0) internal successors, (2013), 33 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:28,000 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 61.0) internal successors, (2013), 33 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:28,000 INFO L185 Difference]: Start difference. First operand has 60 places, 76 transitions, 409 flow. Second operand 32 states and 977 transitions. [2021-06-11 23:00:28,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 197 transitions, 1382 flow [2021-06-11 23:00:28,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 197 transitions, 1338 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 23:00:28,008 INFO L241 Difference]: Finished difference. Result has 100 places, 161 transitions, 1079 flow [2021-06-11 23:00:28,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1079, PETRI_PLACES=100, PETRI_TRANSITIONS=161} [2021-06-11 23:00:28,008 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 61 predicate places. [2021-06-11 23:00:28,008 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:28,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 161 transitions, 1079 flow [2021-06-11 23:00:28,008 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 161 transitions, 1079 flow [2021-06-11 23:00:28,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 161 transitions, 1079 flow [2021-06-11 23:00:28,041 INFO L129 PetriNetUnfolder]: 351/671 cut-off events. [2021-06-11 23:00:28,041 INFO L130 PetriNetUnfolder]: For 1136/1189 co-relation queries the response was YES. [2021-06-11 23:00:28,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2422 conditions, 671 events. 351/671 cut-off events. For 1136/1189 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3409 event pairs, 61 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 2389. Up to 446 conditions per place. [2021-06-11 23:00:28,046 INFO L151 LiptonReduction]: Number of co-enabled transitions 432 [2021-06-11 23:00:28,069 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:28,070 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:28,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-06-11 23:00:28,070 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 161 transitions, 1079 flow [2021-06-11 23:00:28,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 27.0) internal successors, (432), 16 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) [2021-06-11 23:00:28,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:28,071 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] [2021-06-11 23:00:28,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 23:00:28,071 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:28,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:28,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1435726769, now seen corresponding path program 3 times [2021-06-11 23:00:28,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:28,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154429747] [2021-06-11 23:00:28,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 23:00:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:28,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154429747] [2021-06-11 23:00:28,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:28,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 23:00:28,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075065007] [2021-06-11 23:00:28,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 23:00:28,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:28,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 23:00:28,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 23:00:28,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 61 [2021-06-11 23:00:28,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 161 transitions, 1079 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:28,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:28,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 61 [2021-06-11 23:00:28,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:28,123 INFO L129 PetriNetUnfolder]: 329/643 cut-off events. [2021-06-11 23:00:28,123 INFO L130 PetriNetUnfolder]: For 1501/1552 co-relation queries the response was YES. [2021-06-11 23:00:28,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 643 events. 329/643 cut-off events. For 1501/1552 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3245 event pairs, 79 based on Foata normal form. 5/619 useless extension candidates. Maximal degree in co-relation 2424. Up to 400 conditions per place. [2021-06-11 23:00:28,128 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 9 selfloop transitions, 11 changer transitions 0/157 dead transitions. [2021-06-11 23:00:28,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 157 transitions, 1092 flow [2021-06-11 23:00:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 23:00:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 23:00:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2021-06-11 23:00:28,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8961748633879781 [2021-06-11 23:00:28,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 164 transitions. [2021-06-11 23:00:28,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 164 transitions. [2021-06-11 23:00:28,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:28,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 164 transitions. [2021-06-11 23:00:28,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:28,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 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) [2021-06-11 23:00:28,130 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 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) [2021-06-11 23:00:28,130 INFO L185 Difference]: Start difference. First operand has 96 places, 161 transitions, 1079 flow. Second operand 3 states and 164 transitions. [2021-06-11 23:00:28,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 157 transitions, 1092 flow [2021-06-11 23:00:28,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 157 transitions, 928 flow, removed 75 selfloop flow, removed 3 redundant places. [2021-06-11 23:00:28,142 INFO L241 Difference]: Finished difference. Result has 96 places, 157 transitions, 923 flow [2021-06-11 23:00:28,142 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=923, PETRI_PLACES=96, PETRI_TRANSITIONS=157} [2021-06-11 23:00:28,142 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 57 predicate places. [2021-06-11 23:00:28,142 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:28,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 157 transitions, 923 flow [2021-06-11 23:00:28,142 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 157 transitions, 923 flow [2021-06-11 23:00:28,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 157 transitions, 923 flow [2021-06-11 23:00:28,169 INFO L129 PetriNetUnfolder]: 311/588 cut-off events. [2021-06-11 23:00:28,169 INFO L130 PetriNetUnfolder]: For 785/812 co-relation queries the response was YES. [2021-06-11 23:00:28,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2026 conditions, 588 events. 311/588 cut-off events. For 785/812 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2878 event pairs, 45 based on Foata normal form. 1/552 useless extension candidates. Maximal degree in co-relation 1949. Up to 365 conditions per place. [2021-06-11 23:00:28,174 INFO L151 LiptonReduction]: Number of co-enabled transitions 370 [2021-06-11 23:00:28,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:28,222 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 23:00:28,222 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:00:28,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-06-11 23:00:28,223 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 157 transitions, 924 flow [2021-06-11 23:00:28,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:28,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:28,223 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] [2021-06-11 23:00:28,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 23:00:28,223 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:28,223 INFO L82 PathProgramCache]: Analyzing trace with hash -33536689, now seen corresponding path program 4 times [2021-06-11 23:00:28,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:28,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400134443] [2021-06-11 23:00:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:28,245 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:28,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:28,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:28,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:28,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:28,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:28,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:28,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:28,373 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 23:00:28,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:28,390 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 23:00:28,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:28,408 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:00:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:28,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400134443] [2021-06-11 23:00:28,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:28,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:00:28,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096918074] [2021-06-11 23:00:28,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:00:28,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:28,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:00:28,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:00:28,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-06-11 23:00:28,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 157 transitions, 924 flow. Second operand has 15 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 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) [2021-06-11 23:00:28,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:28,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-06-11 23:00:28,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:29,877 INFO L129 PetriNetUnfolder]: 771/1285 cut-off events. [2021-06-11 23:00:29,877 INFO L130 PetriNetUnfolder]: For 4335/4344 co-relation queries the response was YES. [2021-06-11 23:00:29,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5962 conditions, 1285 events. 771/1285 cut-off events. For 4335/4344 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5773 event pairs, 131 based on Foata normal form. 8/1291 useless extension candidates. Maximal degree in co-relation 5849. Up to 953 conditions per place. [2021-06-11 23:00:29,888 INFO L132 encePairwiseOnDemand]: 46/62 looper letters, 159 selfloop transitions, 127 changer transitions 2/296 dead transitions. [2021-06-11 23:00:29,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 296 transitions, 2556 flow [2021-06-11 23:00:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-11 23:00:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-11 23:00:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1249 transitions. [2021-06-11 23:00:29,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.491345397324941 [2021-06-11 23:00:29,892 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 1249 transitions. [2021-06-11 23:00:29,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 1249 transitions. [2021-06-11 23:00:29,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:29,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 1249 transitions. [2021-06-11 23:00:29,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 30.463414634146343) internal successors, (1249), 41 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:29,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 62.0) internal successors, (2604), 42 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:29,913 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 62.0) internal successors, (2604), 42 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:29,913 INFO L185 Difference]: Start difference. First operand has 96 places, 157 transitions, 924 flow. Second operand 41 states and 1249 transitions. [2021-06-11 23:00:29,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 296 transitions, 2556 flow [2021-06-11 23:00:29,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 296 transitions, 2532 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 23:00:29,931 INFO L241 Difference]: Finished difference. Result has 141 places, 268 transitions, 2065 flow [2021-06-11 23:00:29,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=2065, PETRI_PLACES=141, PETRI_TRANSITIONS=268} [2021-06-11 23:00:29,932 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 102 predicate places. [2021-06-11 23:00:29,932 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:29,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 268 transitions, 2065 flow [2021-06-11 23:00:29,932 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 268 transitions, 2065 flow [2021-06-11 23:00:29,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 268 transitions, 2065 flow [2021-06-11 23:00:30,011 INFO L129 PetriNetUnfolder]: 577/1018 cut-off events. [2021-06-11 23:00:30,012 INFO L130 PetriNetUnfolder]: For 3846/3947 co-relation queries the response was YES. [2021-06-11 23:00:30,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4387 conditions, 1018 events. 577/1018 cut-off events. For 3846/3947 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5214 event pairs, 170 based on Foata normal form. 8/929 useless extension candidates. Maximal degree in co-relation 4341. Up to 669 conditions per place. [2021-06-11 23:00:30,019 INFO L151 LiptonReduction]: Number of co-enabled transitions 416 [2021-06-11 23:00:30,034 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:30,034 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:30,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-06-11 23:00:30,035 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 268 transitions, 2065 flow [2021-06-11 23:00:30,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 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) [2021-06-11 23:00:30,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:30,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:30,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 23:00:30,036 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:30,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:30,037 INFO L82 PathProgramCache]: Analyzing trace with hash 133579179, now seen corresponding path program 1 times [2021-06-11 23:00:30,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:30,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524106480] [2021-06-11 23:00:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:30,075 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:30,079 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:30,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:30,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:30,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:30,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:30,127 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:00:30,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:00:30,149 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:00:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:00:30,174 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:00:30,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:00:30,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:30,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:30,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:30,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:30,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:30,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524106480] [2021-06-11 23:00:30,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:30,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:30,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402581389] [2021-06-11 23:00:30,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:30,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:30,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:30,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:30,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-06-11 23:00:30,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 268 transitions, 2065 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:30,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:30,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-06-11 23:00:30,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:30,888 INFO L129 PetriNetUnfolder]: 837/1423 cut-off events. [2021-06-11 23:00:30,888 INFO L130 PetriNetUnfolder]: For 8159/8173 co-relation queries the response was YES. [2021-06-11 23:00:30,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7741 conditions, 1423 events. 837/1423 cut-off events. For 8159/8173 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6781 event pairs, 249 based on Foata normal form. 11/1432 useless extension candidates. Maximal degree in co-relation 7684. Up to 1146 conditions per place. [2021-06-11 23:00:30,900 INFO L132 encePairwiseOnDemand]: 45/62 looper letters, 218 selfloop transitions, 146 changer transitions 2/374 dead transitions. [2021-06-11 23:00:30,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 374 transitions, 3677 flow [2021-06-11 23:00:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 23:00:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 23:00:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 683 transitions. [2021-06-11 23:00:30,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.500733137829912 [2021-06-11 23:00:30,903 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 683 transitions. [2021-06-11 23:00:30,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 683 transitions. [2021-06-11 23:00:30,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:30,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 683 transitions. [2021-06-11 23:00:30,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.045454545454547) internal successors, (683), 22 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:30,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:30,909 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:30,909 INFO L185 Difference]: Start difference. First operand has 140 places, 268 transitions, 2065 flow. Second operand 22 states and 683 transitions. [2021-06-11 23:00:30,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 374 transitions, 3677 flow [2021-06-11 23:00:30,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 374 transitions, 3141 flow, removed 249 selfloop flow, removed 8 redundant places. [2021-06-11 23:00:30,967 INFO L241 Difference]: Finished difference. Result has 160 places, 345 transitions, 2612 flow [2021-06-11 23:00:30,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=1627, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2612, PETRI_PLACES=160, PETRI_TRANSITIONS=345} [2021-06-11 23:00:30,967 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2021-06-11 23:00:30,967 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:30,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 345 transitions, 2612 flow [2021-06-11 23:00:30,968 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 345 transitions, 2612 flow [2021-06-11 23:00:30,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 345 transitions, 2612 flow [2021-06-11 23:00:31,054 INFO L129 PetriNetUnfolder]: 614/1108 cut-off events. [2021-06-11 23:00:31,054 INFO L130 PetriNetUnfolder]: For 5335/5433 co-relation queries the response was YES. [2021-06-11 23:00:31,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5021 conditions, 1108 events. 614/1108 cut-off events. For 5335/5433 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5799 event pairs, 167 based on Foata normal form. 14/1054 useless extension candidates. Maximal degree in co-relation 4966. Up to 606 conditions per place. [2021-06-11 23:00:31,066 INFO L151 LiptonReduction]: Number of co-enabled transitions 452 [2021-06-11 23:00:31,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:31,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:31,206 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 23:00:31,206 INFO L165 LiptonReduction]: Total number of compositions: 3 [2021-06-11 23:00:31,206 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-06-11 23:00:31,207 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 345 transitions, 2614 flow [2021-06-11 23:00:31,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:31,208 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:31,208 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] [2021-06-11 23:00:31,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 23:00:31,208 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:31,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:31,208 INFO L82 PathProgramCache]: Analyzing trace with hash 624465207, now seen corresponding path program 2 times [2021-06-11 23:00:31,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:31,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056059451] [2021-06-11 23:00:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:31,256 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:31,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:31,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:31,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:31,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:31,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:31,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:31,367 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:00:31,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:00:31,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:31,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:31,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:31,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056059451] [2021-06-11 23:00:31,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:31,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:00:31,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247031317] [2021-06-11 23:00:31,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:00:31,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:31,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:00:31,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:00:31,434 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 65 [2021-06-11 23:00:31,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 345 transitions, 2614 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:31,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:31,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 65 [2021-06-11 23:00:31,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:33,262 INFO L129 PetriNetUnfolder]: 1064/1812 cut-off events. [2021-06-11 23:00:33,262 INFO L130 PetriNetUnfolder]: For 11878/11892 co-relation queries the response was YES. [2021-06-11 23:00:33,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10308 conditions, 1812 events. 1064/1812 cut-off events. For 11878/11892 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9328 event pairs, 205 based on Foata normal form. 11/1821 useless extension candidates. Maximal degree in co-relation 10241. Up to 1257 conditions per place. [2021-06-11 23:00:33,277 INFO L132 encePairwiseOnDemand]: 46/65 looper letters, 308 selfloop transitions, 306 changer transitions 2/624 dead transitions. [2021-06-11 23:00:33,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 624 transitions, 6664 flow [2021-06-11 23:00:33,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-11 23:00:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-06-11 23:00:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 1621 transitions. [2021-06-11 23:00:33,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47053701015965166 [2021-06-11 23:00:33,281 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 1621 transitions. [2021-06-11 23:00:33,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 1621 transitions. [2021-06-11 23:00:33,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:33,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 1621 transitions. [2021-06-11 23:00:33,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 30.58490566037736) internal successors, (1621), 53 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:33,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 65.0) internal successors, (3510), 54 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:33,286 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 65.0) internal successors, (3510), 54 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:33,286 INFO L185 Difference]: Start difference. First operand has 159 places, 345 transitions, 2614 flow. Second operand 53 states and 1621 transitions. [2021-06-11 23:00:33,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 624 transitions, 6664 flow [2021-06-11 23:00:33,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 624 transitions, 6413 flow, removed 103 selfloop flow, removed 9 redundant places. [2021-06-11 23:00:33,329 INFO L241 Difference]: Finished difference. Result has 220 places, 570 transitions, 5474 flow [2021-06-11 23:00:33,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=2453, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=53, PETRI_FLOW=5474, PETRI_PLACES=220, PETRI_TRANSITIONS=570} [2021-06-11 23:00:33,329 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2021-06-11 23:00:33,329 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:33,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 570 transitions, 5474 flow [2021-06-11 23:00:33,329 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 570 transitions, 5474 flow [2021-06-11 23:00:33,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 570 transitions, 5474 flow [2021-06-11 23:00:33,470 INFO L129 PetriNetUnfolder]: 887/1568 cut-off events. [2021-06-11 23:00:33,470 INFO L130 PetriNetUnfolder]: For 14165/14255 co-relation queries the response was YES. [2021-06-11 23:00:33,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8685 conditions, 1568 events. 887/1568 cut-off events. For 14165/14255 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8850 event pairs, 142 based on Foata normal form. 4/1489 useless extension candidates. Maximal degree in co-relation 8597. Up to 831 conditions per place. [2021-06-11 23:00:33,485 INFO L151 LiptonReduction]: Number of co-enabled transitions 568 [2021-06-11 23:00:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:33,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:33,639 INFO L163 LiptonReduction]: Checked pairs total: 2 [2021-06-11 23:00:33,639 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 23:00:33,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 310 [2021-06-11 23:00:33,639 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 570 transitions, 5474 flow [2021-06-11 23:00:33,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:33,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:33,640 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] [2021-06-11 23:00:33,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 23:00:33,641 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:33,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:33,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1468594695, now seen corresponding path program 1 times [2021-06-11 23:00:33,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:33,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819251568] [2021-06-11 23:00:33,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:33,656 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:33,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:33,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:33,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:33,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:33,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:33,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:33,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:33,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:33,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:33,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:33,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:33,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:33,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:33,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:33,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:00:33,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:33,816 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:00:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:33,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819251568] [2021-06-11 23:00:33,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:33,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:33,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203727066] [2021-06-11 23:00:33,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:33,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:33,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:33,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:33,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 67 [2021-06-11 23:00:33,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 570 transitions, 5474 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:33,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:33,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 67 [2021-06-11 23:00:33,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:35,037 INFO L129 PetriNetUnfolder]: 1217/2090 cut-off events. [2021-06-11 23:00:35,037 INFO L130 PetriNetUnfolder]: For 26065/26079 co-relation queries the response was YES. [2021-06-11 23:00:35,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13838 conditions, 2090 events. 1217/2090 cut-off events. For 26065/26079 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 11260 event pairs, 223 based on Foata normal form. 11/2099 useless extension candidates. Maximal degree in co-relation 13743. Up to 1664 conditions per place. [2021-06-11 23:00:35,060 INFO L132 encePairwiseOnDemand]: 49/67 looper letters, 498 selfloop transitions, 226 changer transitions 2/734 dead transitions. [2021-06-11 23:00:35,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 734 transitions, 8806 flow [2021-06-11 23:00:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-11 23:00:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-06-11 23:00:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 791 transitions. [2021-06-11 23:00:35,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4722388059701493 [2021-06-11 23:00:35,063 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 791 transitions. [2021-06-11 23:00:35,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 791 transitions. [2021-06-11 23:00:35,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:35,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 791 transitions. [2021-06-11 23:00:35,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 31.64) internal successors, (791), 25 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:35,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 67.0) internal successors, (1742), 26 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:35,066 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 67.0) internal successors, (1742), 26 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:35,066 INFO L185 Difference]: Start difference. First operand has 220 places, 570 transitions, 5474 flow. Second operand 25 states and 791 transitions. [2021-06-11 23:00:35,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 734 transitions, 8806 flow [2021-06-11 23:00:35,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 734 transitions, 7702 flow, removed 437 selfloop flow, removed 11 redundant places. [2021-06-11 23:00:35,201 INFO L241 Difference]: Finished difference. Result has 243 places, 679 transitions, 6218 flow [2021-06-11 23:00:35,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=4516, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=6218, PETRI_PLACES=243, PETRI_TRANSITIONS=679} [2021-06-11 23:00:35,202 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 204 predicate places. [2021-06-11 23:00:35,202 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:35,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 679 transitions, 6218 flow [2021-06-11 23:00:35,204 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 679 transitions, 6218 flow [2021-06-11 23:00:35,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 679 transitions, 6218 flow [2021-06-11 23:00:35,362 INFO L129 PetriNetUnfolder]: 1043/1839 cut-off events. [2021-06-11 23:00:35,362 INFO L130 PetriNetUnfolder]: For 17385/17502 co-relation queries the response was YES. [2021-06-11 23:00:35,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10144 conditions, 1839 events. 1043/1839 cut-off events. For 17385/17502 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 10715 event pairs, 164 based on Foata normal form. 7/1763 useless extension candidates. Maximal degree in co-relation 10057. Up to 809 conditions per place. [2021-06-11 23:00:35,382 INFO L151 LiptonReduction]: Number of co-enabled transitions 588 [2021-06-11 23:00:35,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:35,607 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:35,608 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:00:35,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-06-11 23:00:35,608 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 679 transitions, 6218 flow [2021-06-11 23:00:35,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:35,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:35,608 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:35,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 23:00:35,609 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:35,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1962733341, now seen corresponding path program 2 times [2021-06-11 23:00:35,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:35,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067301627] [2021-06-11 23:00:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:35,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:35,644 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:35,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:35,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:35,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:35,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:35,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:35,770 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 23:00:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:35,787 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:00:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:35,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067301627] [2021-06-11 23:00:35,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:35,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:00:35,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784178982] [2021-06-11 23:00:35,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:00:35,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:35,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:00:35,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:00:35,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 68 [2021-06-11 23:00:35,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 679 transitions, 6218 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:00:35,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:35,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 68 [2021-06-11 23:00:35,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:37,191 INFO L129 PetriNetUnfolder]: 1258/2201 cut-off events. [2021-06-11 23:00:37,191 INFO L130 PetriNetUnfolder]: For 29276/29290 co-relation queries the response was YES. [2021-06-11 23:00:37,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14796 conditions, 2201 events. 1258/2201 cut-off events. For 29276/29290 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 12267 event pairs, 211 based on Foata normal form. 12/2210 useless extension candidates. Maximal degree in co-relation 14693. Up to 1602 conditions per place. [2021-06-11 23:00:37,211 INFO L132 encePairwiseOnDemand]: 48/68 looper letters, 460 selfloop transitions, 292 changer transitions 5/765 dead transitions. [2021-06-11 23:00:37,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 765 transitions, 9048 flow [2021-06-11 23:00:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 23:00:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 23:00:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 902 transitions. [2021-06-11 23:00:37,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45740365111561865 [2021-06-11 23:00:37,213 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 902 transitions. [2021-06-11 23:00:37,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 902 transitions. [2021-06-11 23:00:37,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:37,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 902 transitions. [2021-06-11 23:00:37,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 31.103448275862068) internal successors, (902), 29 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:37,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 68.0) internal successors, (2040), 30 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) [2021-06-11 23:00:37,217 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 68.0) internal successors, (2040), 30 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) [2021-06-11 23:00:37,217 INFO L185 Difference]: Start difference. First operand has 242 places, 679 transitions, 6218 flow. Second operand 29 states and 902 transitions. [2021-06-11 23:00:37,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 765 transitions, 9048 flow [2021-06-11 23:00:37,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 765 transitions, 8912 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-06-11 23:00:37,306 INFO L241 Difference]: Finished difference. Result has 271 places, 711 transitions, 7236 flow [2021-06-11 23:00:37,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=6100, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=7236, PETRI_PLACES=271, PETRI_TRANSITIONS=711} [2021-06-11 23:00:37,307 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 232 predicate places. [2021-06-11 23:00:37,307 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:37,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 711 transitions, 7236 flow [2021-06-11 23:00:37,307 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 271 places, 711 transitions, 7236 flow [2021-06-11 23:00:37,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 711 transitions, 7236 flow [2021-06-11 23:00:37,478 INFO L129 PetriNetUnfolder]: 1069/1935 cut-off events. [2021-06-11 23:00:37,478 INFO L130 PetriNetUnfolder]: For 23942/24059 co-relation queries the response was YES. [2021-06-11 23:00:37,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11860 conditions, 1935 events. 1069/1935 cut-off events. For 23942/24059 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 11724 event pairs, 114 based on Foata normal form. 21/1880 useless extension candidates. Maximal degree in co-relation 11761. Up to 870 conditions per place. [2021-06-11 23:00:37,503 INFO L151 LiptonReduction]: Number of co-enabled transitions 606 [2021-06-11 23:00:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:00:37,729 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 23:00:37,729 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:00:37,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-06-11 23:00:37,732 INFO L480 AbstractCegarLoop]: Abstraction has has 269 places, 711 transitions, 7237 flow [2021-06-11 23:00:37,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:00:37,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:37,732 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] [2021-06-11 23:00:37,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 23:00:37,732 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:37,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:37,732 INFO L82 PathProgramCache]: Analyzing trace with hash 174555585, now seen corresponding path program 3 times [2021-06-11 23:00:37,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:37,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886055529] [2021-06-11 23:00:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:37,761 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:37,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:37,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:37,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:37,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:37,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:37,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:37,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:37,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:37,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:37,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:37,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:37,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:00:37,911 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 23:00:37,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:00:37,929 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:00:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:37,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886055529] [2021-06-11 23:00:37,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:37,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:37,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389302302] [2021-06-11 23:00:37,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:37,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:37,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:37,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:37,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:37,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 711 transitions, 7237 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:37,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:37,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:37,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:39,143 INFO L129 PetriNetUnfolder]: 1275/2244 cut-off events. [2021-06-11 23:00:39,143 INFO L130 PetriNetUnfolder]: For 35275/35289 co-relation queries the response was YES. [2021-06-11 23:00:39,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16273 conditions, 2244 events. 1275/2244 cut-off events. For 35275/35289 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 12750 event pairs, 226 based on Foata normal form. 11/2252 useless extension candidates. Maximal degree in co-relation 16162. Up to 1785 conditions per place. [2021-06-11 23:00:39,166 INFO L132 encePairwiseOnDemand]: 50/69 looper letters, 494 selfloop transitions, 281 changer transitions 3/786 dead transitions. [2021-06-11 23:00:39,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 786 transitions, 9976 flow [2021-06-11 23:00:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 23:00:39,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 23:00:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 815 transitions. [2021-06-11 23:00:39,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45429208472686733 [2021-06-11 23:00:39,176 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 815 transitions. [2021-06-11 23:00:39,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 815 transitions. [2021-06-11 23:00:39,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:39,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 815 transitions. [2021-06-11 23:00:39,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 31.346153846153847) internal successors, (815), 26 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:39,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:39,182 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:39,182 INFO L185 Difference]: Start difference. First operand has 269 places, 711 transitions, 7237 flow. Second operand 26 states and 815 transitions. [2021-06-11 23:00:39,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 786 transitions, 9976 flow [2021-06-11 23:00:39,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 786 transitions, 9828 flow, removed 52 selfloop flow, removed 12 redundant places. [2021-06-11 23:00:39,305 INFO L241 Difference]: Finished difference. Result has 291 places, 738 transitions, 8203 flow [2021-06-11 23:00:39,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7119, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=8203, PETRI_PLACES=291, PETRI_TRANSITIONS=738} [2021-06-11 23:00:39,305 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 252 predicate places. [2021-06-11 23:00:39,305 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:39,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 738 transitions, 8203 flow [2021-06-11 23:00:39,306 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 738 transitions, 8203 flow [2021-06-11 23:00:39,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 738 transitions, 8203 flow [2021-06-11 23:00:39,495 INFO L129 PetriNetUnfolder]: 1092/2028 cut-off events. [2021-06-11 23:00:39,496 INFO L130 PetriNetUnfolder]: For 27616/27701 co-relation queries the response was YES. [2021-06-11 23:00:39,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13024 conditions, 2028 events. 1092/2028 cut-off events. For 27616/27701 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 12523 event pairs, 152 based on Foata normal form. 8/1975 useless extension candidates. Maximal degree in co-relation 12913. Up to 879 conditions per place. [2021-06-11 23:00:39,521 INFO L151 LiptonReduction]: Number of co-enabled transitions 618 [2021-06-11 23:00:39,579 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:39,580 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:39,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-06-11 23:00:39,580 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 738 transitions, 8203 flow [2021-06-11 23:00:39,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:39,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:39,580 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] [2021-06-11 23:00:39,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 23:00:39,581 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:39,581 INFO L82 PathProgramCache]: Analyzing trace with hash -351701195, now seen corresponding path program 1 times [2021-06-11 23:00:39,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:39,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999826967] [2021-06-11 23:00:39,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:39,597 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:39,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:39,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:39,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:39,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:39,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:39,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:39,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:39,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:00:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:00:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:39,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:39,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:39,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999826967] [2021-06-11 23:00:39,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:39,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:39,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167462470] [2021-06-11 23:00:39,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:39,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:39,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:39,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:39,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:39,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 738 transitions, 8203 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:39,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:39,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:39,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:40,739 INFO L129 PetriNetUnfolder]: 1289/2293 cut-off events. [2021-06-11 23:00:40,740 INFO L130 PetriNetUnfolder]: For 40350/40364 co-relation queries the response was YES. [2021-06-11 23:00:40,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17392 conditions, 2293 events. 1289/2293 cut-off events. For 40350/40364 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13457 event pairs, 245 based on Foata normal form. 11/2301 useless extension candidates. Maximal degree in co-relation 17265. Up to 1954 conditions per place. [2021-06-11 23:00:40,762 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 591 selfloop transitions, 193 changer transitions 3/795 dead transitions. [2021-06-11 23:00:40,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 795 transitions, 10645 flow [2021-06-11 23:00:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 23:00:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 23:00:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 714 transitions. [2021-06-11 23:00:40,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4499054820415879 [2021-06-11 23:00:40,764 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 714 transitions. [2021-06-11 23:00:40,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 714 transitions. [2021-06-11 23:00:40,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:40,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 714 transitions. [2021-06-11 23:00:40,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.043478260869566) internal successors, (714), 23 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:40,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:40,767 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:40,767 INFO L185 Difference]: Start difference. First operand has 289 places, 738 transitions, 8203 flow. Second operand 23 states and 714 transitions. [2021-06-11 23:00:40,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 795 transitions, 10645 flow [2021-06-11 23:00:40,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 795 transitions, 10364 flow, removed 64 selfloop flow, removed 11 redundant places. [2021-06-11 23:00:40,893 INFO L241 Difference]: Finished difference. Result has 308 places, 773 transitions, 8923 flow [2021-06-11 23:00:40,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7932, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=738, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=8923, PETRI_PLACES=308, PETRI_TRANSITIONS=773} [2021-06-11 23:00:40,893 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 269 predicate places. [2021-06-11 23:00:40,893 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:40,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 773 transitions, 8923 flow [2021-06-11 23:00:40,894 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 773 transitions, 8923 flow [2021-06-11 23:00:40,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 773 transitions, 8923 flow [2021-06-11 23:00:41,101 INFO L129 PetriNetUnfolder]: 1117/2084 cut-off events. [2021-06-11 23:00:41,101 INFO L130 PetriNetUnfolder]: For 36269/36337 co-relation queries the response was YES. [2021-06-11 23:00:41,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14197 conditions, 2084 events. 1117/2084 cut-off events. For 36269/36337 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13174 event pairs, 112 based on Foata normal form. 3/2029 useless extension candidates. Maximal degree in co-relation 14073. Up to 897 conditions per place. [2021-06-11 23:00:41,129 INFO L151 LiptonReduction]: Number of co-enabled transitions 634 [2021-06-11 23:00:41,204 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:41,204 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:41,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 311 [2021-06-11 23:00:41,205 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 773 transitions, 8923 flow [2021-06-11 23:00:41,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:41,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:41,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:41,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 23:00:41,205 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:41,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:41,205 INFO L82 PathProgramCache]: Analyzing trace with hash 351743285, now seen corresponding path program 2 times [2021-06-11 23:00:41,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:41,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77792103] [2021-06-11 23:00:41,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:41,220 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:41,225 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:41,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:41,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:41,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:41,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:41,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:41,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 23:00:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:00:41,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:00:41,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:41,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:41,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77792103] [2021-06-11 23:00:41,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:41,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 23:00:41,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116363598] [2021-06-11 23:00:41,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 23:00:41,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:41,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 23:00:41,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-11 23:00:41,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:41,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 773 transitions, 8923 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:41,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:41,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:41,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:42,167 INFO L129 PetriNetUnfolder]: 1294/2306 cut-off events. [2021-06-11 23:00:42,168 INFO L130 PetriNetUnfolder]: For 52376/52383 co-relation queries the response was YES. [2021-06-11 23:00:42,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18442 conditions, 2306 events. 1294/2306 cut-off events. For 52376/52383 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 13553 event pairs, 242 based on Foata normal form. 6/2309 useless extension candidates. Maximal degree in co-relation 18277. Up to 1973 conditions per place. [2021-06-11 23:00:42,192 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 598 selfloop transitions, 193 changer transitions 3/802 dead transitions. [2021-06-11 23:00:42,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 802 transitions, 11035 flow [2021-06-11 23:00:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 23:00:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 23:00:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 567 transitions. [2021-06-11 23:00:42,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45652173913043476 [2021-06-11 23:00:42,194 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 567 transitions. [2021-06-11 23:00:42,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 567 transitions. [2021-06-11 23:00:42,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:42,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 567 transitions. [2021-06-11 23:00:42,195 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) [2021-06-11 23:00:42,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:42,196 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:42,196 INFO L185 Difference]: Start difference. First operand has 307 places, 773 transitions, 8923 flow. Second operand 18 states and 567 transitions. [2021-06-11 23:00:42,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 802 transitions, 11035 flow [2021-06-11 23:00:42,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 802 transitions, 10548 flow, removed 155 selfloop flow, removed 10 redundant places. [2021-06-11 23:00:42,344 INFO L241 Difference]: Finished difference. Result has 319 places, 783 transitions, 9042 flow [2021-06-11 23:00:42,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8438, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=773, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9042, PETRI_PLACES=319, PETRI_TRANSITIONS=783} [2021-06-11 23:00:42,345 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 280 predicate places. [2021-06-11 23:00:42,345 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:42,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 783 transitions, 9042 flow [2021-06-11 23:00:42,345 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 783 transitions, 9042 flow [2021-06-11 23:00:42,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 318 places, 783 transitions, 9042 flow [2021-06-11 23:00:42,567 INFO L129 PetriNetUnfolder]: 1113/2075 cut-off events. [2021-06-11 23:00:42,567 INFO L130 PetriNetUnfolder]: For 38199/38355 co-relation queries the response was YES. [2021-06-11 23:00:42,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14459 conditions, 2075 events. 1113/2075 cut-off events. For 38199/38355 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13236 event pairs, 132 based on Foata normal form. 7/2007 useless extension candidates. Maximal degree in co-relation 14331. Up to 886 conditions per place. [2021-06-11 23:00:42,594 INFO L151 LiptonReduction]: Number of co-enabled transitions 648 [2021-06-11 23:00:42,661 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:42,662 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:42,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-06-11 23:00:42,662 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 783 transitions, 9042 flow [2021-06-11 23:00:42,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:42,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:42,662 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] [2021-06-11 23:00:42,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 23:00:42,663 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:42,663 INFO L82 PathProgramCache]: Analyzing trace with hash 938720709, now seen corresponding path program 1 times [2021-06-11 23:00:42,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:42,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545435079] [2021-06-11 23:00:42,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:42,676 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:42,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:42,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:42,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:42,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:42,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:42,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:42,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:42,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:42,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:42,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:42,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:42,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:42,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545435079] [2021-06-11 23:00:42,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:42,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:42,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546131575] [2021-06-11 23:00:42,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:42,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:42,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:42,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:42,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:42,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 783 transitions, 9042 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:42,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:42,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:42,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:43,768 INFO L129 PetriNetUnfolder]: 1311/2356 cut-off events. [2021-06-11 23:00:43,769 INFO L130 PetriNetUnfolder]: For 54783/54797 co-relation queries the response was YES. [2021-06-11 23:00:43,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18951 conditions, 2356 events. 1311/2356 cut-off events. For 54783/54797 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 14084 event pairs, 251 based on Foata normal form. 11/2364 useless extension candidates. Maximal degree in co-relation 18816. Up to 2020 conditions per place. [2021-06-11 23:00:43,793 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 650 selfloop transitions, 172 changer transitions 2/832 dead transitions. [2021-06-11 23:00:43,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 832 transitions, 11352 flow [2021-06-11 23:00:43,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 23:00:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 23:00:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 620 transitions. [2021-06-11 23:00:43,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4492753623188406 [2021-06-11 23:00:43,797 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 620 transitions. [2021-06-11 23:00:43,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 620 transitions. [2021-06-11 23:00:43,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:43,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 620 transitions. [2021-06-11 23:00:43,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.0) internal successors, (620), 20 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:43,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:43,799 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:43,799 INFO L185 Difference]: Start difference. First operand has 318 places, 783 transitions, 9042 flow. Second operand 20 states and 620 transitions. [2021-06-11 23:00:43,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 832 transitions, 11352 flow [2021-06-11 23:00:43,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 832 transitions, 10982 flow, removed 59 selfloop flow, removed 14 redundant places. [2021-06-11 23:00:43,954 INFO L241 Difference]: Finished difference. Result has 331 places, 803 transitions, 9333 flow [2021-06-11 23:00:43,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8710, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9333, PETRI_PLACES=331, PETRI_TRANSITIONS=803} [2021-06-11 23:00:43,955 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 292 predicate places. [2021-06-11 23:00:43,955 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:43,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 803 transitions, 9333 flow [2021-06-11 23:00:43,955 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 803 transitions, 9333 flow [2021-06-11 23:00:43,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 330 places, 803 transitions, 9333 flow [2021-06-11 23:00:44,184 INFO L129 PetriNetUnfolder]: 1137/2143 cut-off events. [2021-06-11 23:00:44,184 INFO L130 PetriNetUnfolder]: For 40635/40753 co-relation queries the response was YES. [2021-06-11 23:00:44,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15178 conditions, 2143 events. 1137/2143 cut-off events. For 40635/40753 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 13912 event pairs, 109 based on Foata normal form. 3/2089 useless extension candidates. Maximal degree in co-relation 15046. Up to 868 conditions per place. [2021-06-11 23:00:44,219 INFO L151 LiptonReduction]: Number of co-enabled transitions 680 [2021-06-11 23:00:44,297 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:44,297 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:44,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 342 [2021-06-11 23:00:44,298 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 803 transitions, 9333 flow [2021-06-11 23:00:44,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:44,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:44,298 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] [2021-06-11 23:00:44,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 23:00:44,298 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:44,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:44,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1991783907, now seen corresponding path program 2 times [2021-06-11 23:00:44,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:44,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808833959] [2021-06-11 23:00:44,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:44,325 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:44,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:44,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:44,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:44,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:44,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:44,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:44,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:44,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:44,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:44,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:44,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:44,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:44,440 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:44,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:44,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808833959] [2021-06-11 23:00:44,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:44,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:44,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73699481] [2021-06-11 23:00:44,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:44,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:44,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:44,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:44,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:44,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 803 transitions, 9333 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:44,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:44,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:44,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:45,499 INFO L129 PetriNetUnfolder]: 1333/2415 cut-off events. [2021-06-11 23:00:45,499 INFO L130 PetriNetUnfolder]: For 55555/55569 co-relation queries the response was YES. [2021-06-11 23:00:45,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19561 conditions, 2415 events. 1333/2415 cut-off events. For 55555/55569 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 14711 event pairs, 253 based on Foata normal form. 11/2423 useless extension candidates. Maximal degree in co-relation 19409. Up to 2038 conditions per place. [2021-06-11 23:00:45,529 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 631 selfloop transitions, 216 changer transitions 2/857 dead transitions. [2021-06-11 23:00:45,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 857 transitions, 11753 flow [2021-06-11 23:00:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 23:00:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 23:00:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 687 transitions. [2021-06-11 23:00:45,531 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4525691699604743 [2021-06-11 23:00:45,531 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 687 transitions. [2021-06-11 23:00:45,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 687 transitions. [2021-06-11 23:00:45,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:45,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 687 transitions. [2021-06-11 23:00:45,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.227272727272727) internal successors, (687), 22 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:45,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:45,533 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:45,533 INFO L185 Difference]: Start difference. First operand has 330 places, 803 transitions, 9333 flow. Second operand 22 states and 687 transitions. [2021-06-11 23:00:45,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 857 transitions, 11753 flow [2021-06-11 23:00:45,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 857 transitions, 11560 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-06-11 23:00:45,704 INFO L241 Difference]: Finished difference. Result has 346 places, 833 transitions, 9980 flow [2021-06-11 23:00:45,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9144, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=803, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=9980, PETRI_PLACES=346, PETRI_TRANSITIONS=833} [2021-06-11 23:00:45,704 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 307 predicate places. [2021-06-11 23:00:45,704 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:45,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 346 places, 833 transitions, 9980 flow [2021-06-11 23:00:45,705 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 346 places, 833 transitions, 9980 flow [2021-06-11 23:00:45,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 345 places, 833 transitions, 9980 flow [2021-06-11 23:00:45,970 INFO L129 PetriNetUnfolder]: 1165/2226 cut-off events. [2021-06-11 23:00:45,970 INFO L130 PetriNetUnfolder]: For 40995/41166 co-relation queries the response was YES. [2021-06-11 23:00:45,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15813 conditions, 2226 events. 1165/2226 cut-off events. For 40995/41166 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 14891 event pairs, 145 based on Foata normal form. 7/2150 useless extension candidates. Maximal degree in co-relation 15674. Up to 889 conditions per place. [2021-06-11 23:00:46,065 INFO L151 LiptonReduction]: Number of co-enabled transitions 708 [2021-06-11 23:00:46,146 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:46,146 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:46,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 442 [2021-06-11 23:00:46,147 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 833 transitions, 9980 flow [2021-06-11 23:00:46,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:46,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:46,147 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] [2021-06-11 23:00:46,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 23:00:46,147 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:46,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1193366217, now seen corresponding path program 3 times [2021-06-11 23:00:46,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:46,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121586718] [2021-06-11 23:00:46,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:46,167 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:46,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:46,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:46,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:46,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:46,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:46,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:46,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:46,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:46,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:46,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:46,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:46,282 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:46,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:46,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121586718] [2021-06-11 23:00:46,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:46,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:46,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472169459] [2021-06-11 23:00:46,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:46,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:46,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:46,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:46,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:46,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 833 transitions, 9980 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:46,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:46,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:46,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:47,234 INFO L129 PetriNetUnfolder]: 1335/2430 cut-off events. [2021-06-11 23:00:47,234 INFO L130 PetriNetUnfolder]: For 57096/57110 co-relation queries the response was YES. [2021-06-11 23:00:47,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20127 conditions, 2430 events. 1335/2430 cut-off events. For 57096/57110 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 14846 event pairs, 254 based on Foata normal form. 11/2438 useless extension candidates. Maximal degree in co-relation 19967. Up to 2042 conditions per place. [2021-06-11 23:00:47,301 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 620 selfloop transitions, 232 changer transitions 2/862 dead transitions. [2021-06-11 23:00:47,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 862 transitions, 12193 flow [2021-06-11 23:00:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 23:00:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 23:00:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 624 transitions. [2021-06-11 23:00:47,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45217391304347826 [2021-06-11 23:00:47,303 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 624 transitions. [2021-06-11 23:00:47,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 624 transitions. [2021-06-11 23:00:47,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:47,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 624 transitions. [2021-06-11 23:00:47,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.2) internal successors, (624), 20 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:47,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:47,305 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:47,305 INFO L185 Difference]: Start difference. First operand has 345 places, 833 transitions, 9980 flow. Second operand 20 states and 624 transitions. [2021-06-11 23:00:47,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 862 transitions, 12193 flow [2021-06-11 23:00:47,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 862 transitions, 12070 flow, removed 39 selfloop flow, removed 11 redundant places. [2021-06-11 23:00:47,470 INFO L241 Difference]: Finished difference. Result has 359 places, 844 transitions, 10596 flow [2021-06-11 23:00:47,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9861, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=10596, PETRI_PLACES=359, PETRI_TRANSITIONS=844} [2021-06-11 23:00:47,471 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 320 predicate places. [2021-06-11 23:00:47,471 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:47,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 844 transitions, 10596 flow [2021-06-11 23:00:47,472 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 844 transitions, 10596 flow [2021-06-11 23:00:47,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 358 places, 844 transitions, 10596 flow [2021-06-11 23:00:47,746 INFO L129 PetriNetUnfolder]: 1148/2232 cut-off events. [2021-06-11 23:00:47,747 INFO L130 PetriNetUnfolder]: For 43834/43989 co-relation queries the response was YES. [2021-06-11 23:00:47,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16219 conditions, 2232 events. 1148/2232 cut-off events. For 43834/43989 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 15146 event pairs, 119 based on Foata normal form. 5/2180 useless extension candidates. Maximal degree in co-relation 16074. Up to 881 conditions per place. [2021-06-11 23:00:47,782 INFO L151 LiptonReduction]: Number of co-enabled transitions 718 [2021-06-11 23:00:47,866 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:47,866 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:47,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-06-11 23:00:47,867 INFO L480 AbstractCegarLoop]: Abstraction has has 358 places, 844 transitions, 10596 flow [2021-06-11 23:00:47,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:47,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:47,867 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] [2021-06-11 23:00:47,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 23:00:47,867 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:47,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:47,867 INFO L82 PathProgramCache]: Analyzing trace with hash 860820945, now seen corresponding path program 4 times [2021-06-11 23:00:47,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:47,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485755632] [2021-06-11 23:00:47,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:47,886 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:47,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:47,895 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:47,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:47,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:47,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:47,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:47,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:47,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:47,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:47,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:47,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:48,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:48,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485755632] [2021-06-11 23:00:48,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:48,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:48,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759951185] [2021-06-11 23:00:48,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:48,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:48,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:48,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:48,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:48,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 844 transitions, 10596 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:48,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:48,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:48,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:49,178 INFO L129 PetriNetUnfolder]: 1333/2451 cut-off events. [2021-06-11 23:00:49,179 INFO L130 PetriNetUnfolder]: For 61627/61641 co-relation queries the response was YES. [2021-06-11 23:00:49,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20691 conditions, 2451 events. 1333/2451 cut-off events. For 61627/61641 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 15227 event pairs, 241 based on Foata normal form. 11/2459 useless extension candidates. Maximal degree in co-relation 20539. Up to 2004 conditions per place. [2021-06-11 23:00:49,210 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 614 selfloop transitions, 245 changer transitions 2/869 dead transitions. [2021-06-11 23:00:49,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 869 transitions, 12771 flow [2021-06-11 23:00:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 23:00:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 23:00:49,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 740 transitions. [2021-06-11 23:00:49,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4468599033816425 [2021-06-11 23:00:49,214 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 740 transitions. [2021-06-11 23:00:49,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 740 transitions. [2021-06-11 23:00:49,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:49,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 740 transitions. [2021-06-11 23:00:49,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.833333333333332) internal successors, (740), 24 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:49,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:49,217 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:49,217 INFO L185 Difference]: Start difference. First operand has 358 places, 844 transitions, 10596 flow. Second operand 24 states and 740 transitions. [2021-06-11 23:00:49,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 869 transitions, 12771 flow [2021-06-11 23:00:49,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 869 transitions, 12589 flow, removed 53 selfloop flow, removed 10 redundant places. [2021-06-11 23:00:49,445 INFO L241 Difference]: Finished difference. Result has 377 places, 850 transitions, 11114 flow [2021-06-11 23:00:49,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10421, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11114, PETRI_PLACES=377, PETRI_TRANSITIONS=850} [2021-06-11 23:00:49,446 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 338 predicate places. [2021-06-11 23:00:49,446 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:49,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 850 transitions, 11114 flow [2021-06-11 23:00:49,446 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 850 transitions, 11114 flow [2021-06-11 23:00:49,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 850 transitions, 11114 flow [2021-06-11 23:00:49,706 INFO L129 PetriNetUnfolder]: 1136/2196 cut-off events. [2021-06-11 23:00:49,707 INFO L130 PetriNetUnfolder]: For 48271/48436 co-relation queries the response was YES. [2021-06-11 23:00:49,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16624 conditions, 2196 events. 1136/2196 cut-off events. For 48271/48436 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 14706 event pairs, 126 based on Foata normal form. 11/2150 useless extension candidates. Maximal degree in co-relation 16474. Up to 865 conditions per place. [2021-06-11 23:00:49,771 INFO L151 LiptonReduction]: Number of co-enabled transitions 732 [2021-06-11 23:00:49,851 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:49,851 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:49,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-06-11 23:00:49,852 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 850 transitions, 11114 flow [2021-06-11 23:00:49,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:49,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:49,852 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] [2021-06-11 23:00:49,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 23:00:49,852 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:49,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1740908121, now seen corresponding path program 3 times [2021-06-11 23:00:49,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:49,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344948477] [2021-06-11 23:00:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:49,866 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:49,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:49,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:49,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:49,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:49,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:49,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:49,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:49,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:49,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:49,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:49,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:00:49,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:49,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:49,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:49,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:49,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344948477] [2021-06-11 23:00:49,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:49,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:49,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591971127] [2021-06-11 23:00:49,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:49,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:49,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:49,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:49,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:49,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 850 transitions, 11114 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:49,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:49,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:49,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:51,049 INFO L129 PetriNetUnfolder]: 1332/2445 cut-off events. [2021-06-11 23:00:51,050 INFO L130 PetriNetUnfolder]: For 64735/64749 co-relation queries the response was YES. [2021-06-11 23:00:51,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21152 conditions, 2445 events. 1332/2445 cut-off events. For 64735/64749 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 15118 event pairs, 255 based on Foata normal form. 11/2453 useless extension candidates. Maximal degree in co-relation 20995. Up to 2089 conditions per place. [2021-06-11 23:00:51,081 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 694 selfloop transitions, 166 changer transitions 6/874 dead transitions. [2021-06-11 23:00:51,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 874 transitions, 13272 flow [2021-06-11 23:00:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 23:00:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 23:00:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 644 transitions. [2021-06-11 23:00:51,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 23:00:51,082 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 644 transitions. [2021-06-11 23:00:51,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 644 transitions. [2021-06-11 23:00:51,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:51,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 644 transitions. [2021-06-11 23:00:51,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.666666666666668) internal successors, (644), 21 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:51,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:51,085 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:51,085 INFO L185 Difference]: Start difference. First operand has 376 places, 850 transitions, 11114 flow. Second operand 21 states and 644 transitions. [2021-06-11 23:00:51,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 874 transitions, 13272 flow [2021-06-11 23:00:51,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 874 transitions, 12937 flow, removed 29 selfloop flow, removed 16 redundant places. [2021-06-11 23:00:51,362 INFO L241 Difference]: Finished difference. Result has 384 places, 849 transitions, 11108 flow [2021-06-11 23:00:51,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10789, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11108, PETRI_PLACES=384, PETRI_TRANSITIONS=849} [2021-06-11 23:00:51,363 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 345 predicate places. [2021-06-11 23:00:51,363 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:51,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 384 places, 849 transitions, 11108 flow [2021-06-11 23:00:51,363 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 384 places, 849 transitions, 11108 flow [2021-06-11 23:00:51,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 849 transitions, 11108 flow [2021-06-11 23:00:51,661 INFO L129 PetriNetUnfolder]: 1155/2241 cut-off events. [2021-06-11 23:00:51,661 INFO L130 PetriNetUnfolder]: For 46868/47020 co-relation queries the response was YES. [2021-06-11 23:00:51,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16588 conditions, 2241 events. 1155/2241 cut-off events. For 46868/47020 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 15098 event pairs, 130 based on Foata normal form. 3/2191 useless extension candidates. Maximal degree in co-relation 16451. Up to 869 conditions per place. [2021-06-11 23:00:51,698 INFO L151 LiptonReduction]: Number of co-enabled transitions 732 [2021-06-11 23:00:51,782 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:51,782 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:51,782 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 419 [2021-06-11 23:00:51,782 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 849 transitions, 11108 flow [2021-06-11 23:00:51,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:51,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:51,783 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] [2021-06-11 23:00:51,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 23:00:51,783 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:51,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:51,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1711663877, now seen corresponding path program 4 times [2021-06-11 23:00:51,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:51,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768742948] [2021-06-11 23:00:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:51,796 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:51,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:51,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:51,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:51,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:51,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:51,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:51,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:51,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:51,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:51,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:51,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:51,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768742948] [2021-06-11 23:00:51,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:51,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:51,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441328951] [2021-06-11 23:00:51,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:51,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:51,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:51,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:51,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:51,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 849 transitions, 11108 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:51,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:51,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:51,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:53,080 INFO L129 PetriNetUnfolder]: 1329/2452 cut-off events. [2021-06-11 23:00:53,080 INFO L130 PetriNetUnfolder]: For 64483/64490 co-relation queries the response was YES. [2021-06-11 23:00:53,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20966 conditions, 2452 events. 1329/2452 cut-off events. For 64483/64490 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 15247 event pairs, 251 based on Foata normal form. 6/2455 useless extension candidates. Maximal degree in co-relation 20826. Up to 2008 conditions per place. [2021-06-11 23:00:53,116 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 633 selfloop transitions, 237 changer transitions 5/883 dead transitions. [2021-06-11 23:00:53,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 883 transitions, 13462 flow [2021-06-11 23:00:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 23:00:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 23:00:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 796 transitions. [2021-06-11 23:00:53,117 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.443701226309922 [2021-06-11 23:00:53,117 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 796 transitions. [2021-06-11 23:00:53,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 796 transitions. [2021-06-11 23:00:53,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:53,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 796 transitions. [2021-06-11 23:00:53,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.615384615384617) internal successors, (796), 26 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:53,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:53,120 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:53,120 INFO L185 Difference]: Start difference. First operand has 380 places, 849 transitions, 11108 flow. Second operand 26 states and 796 transitions. [2021-06-11 23:00:53,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 883 transitions, 13462 flow [2021-06-11 23:00:53,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 883 transitions, 13123 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-06-11 23:00:53,339 INFO L241 Difference]: Finished difference. Result has 394 places, 857 transitions, 11437 flow [2021-06-11 23:00:53,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10773, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=11437, PETRI_PLACES=394, PETRI_TRANSITIONS=857} [2021-06-11 23:00:53,340 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 355 predicate places. [2021-06-11 23:00:53,340 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:53,340 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 394 places, 857 transitions, 11437 flow [2021-06-11 23:00:53,341 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 394 places, 857 transitions, 11437 flow [2021-06-11 23:00:53,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 392 places, 857 transitions, 11437 flow [2021-06-11 23:00:53,596 INFO L129 PetriNetUnfolder]: 1146/2218 cut-off events. [2021-06-11 23:00:53,596 INFO L130 PetriNetUnfolder]: For 49575/49736 co-relation queries the response was YES. [2021-06-11 23:00:53,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16772 conditions, 2218 events. 1146/2218 cut-off events. For 49575/49736 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14906 event pairs, 152 based on Foata normal form. 15/2162 useless extension candidates. Maximal degree in co-relation 16623. Up to 876 conditions per place. [2021-06-11 23:00:53,630 INFO L151 LiptonReduction]: Number of co-enabled transitions 756 [2021-06-11 23:00:53,716 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:53,716 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:53,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-06-11 23:00:53,717 INFO L480 AbstractCegarLoop]: Abstraction has has 392 places, 857 transitions, 11437 flow [2021-06-11 23:00:53,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:53,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:53,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:53,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 23:00:53,717 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash -663126555, now seen corresponding path program 5 times [2021-06-11 23:00:53,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:53,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978471850] [2021-06-11 23:00:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:53,738 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:53,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:53,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:53,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:53,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:00:53,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:53,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:53,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978471850] [2021-06-11 23:00:53,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:53,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:53,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708544426] [2021-06-11 23:00:53,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:53,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:53,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:53,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:53,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:53,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 857 transitions, 11437 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:53,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:53,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:53,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:54,911 INFO L129 PetriNetUnfolder]: 1324/2448 cut-off events. [2021-06-11 23:00:54,911 INFO L130 PetriNetUnfolder]: For 68115/68129 co-relation queries the response was YES. [2021-06-11 23:00:54,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21281 conditions, 2448 events. 1324/2448 cut-off events. For 68115/68129 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 15224 event pairs, 251 based on Foata normal form. 11/2456 useless extension candidates. Maximal degree in co-relation 21119. Up to 2042 conditions per place. [2021-06-11 23:00:54,944 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 643 selfloop transitions, 227 changer transitions 2/880 dead transitions. [2021-06-11 23:00:54,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 880 transitions, 13598 flow [2021-06-11 23:00:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 23:00:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 23:00:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 740 transitions. [2021-06-11 23:00:54,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4468599033816425 [2021-06-11 23:00:54,946 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 740 transitions. [2021-06-11 23:00:54,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 740 transitions. [2021-06-11 23:00:54,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:54,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 740 transitions. [2021-06-11 23:00:54,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.833333333333332) internal successors, (740), 24 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:54,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:54,948 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:54,948 INFO L185 Difference]: Start difference. First operand has 392 places, 857 transitions, 11437 flow. Second operand 24 states and 740 transitions. [2021-06-11 23:00:54,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 880 transitions, 13598 flow [2021-06-11 23:00:55,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 880 transitions, 13036 flow, removed 68 selfloop flow, removed 21 redundant places. [2021-06-11 23:00:55,233 INFO L241 Difference]: Finished difference. Result has 398 places, 861 transitions, 11408 flow [2021-06-11 23:00:55,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10898, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11408, PETRI_PLACES=398, PETRI_TRANSITIONS=861} [2021-06-11 23:00:55,234 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 359 predicate places. [2021-06-11 23:00:55,234 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:55,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 861 transitions, 11408 flow [2021-06-11 23:00:55,234 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 861 transitions, 11408 flow [2021-06-11 23:00:55,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 861 transitions, 11408 flow [2021-06-11 23:00:55,493 INFO L129 PetriNetUnfolder]: 1143/2227 cut-off events. [2021-06-11 23:00:55,493 INFO L130 PetriNetUnfolder]: For 48685/48775 co-relation queries the response was YES. [2021-06-11 23:00:55,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16757 conditions, 2227 events. 1143/2227 cut-off events. For 48685/48775 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 14955 event pairs, 102 based on Foata normal form. 6/2184 useless extension candidates. Maximal degree in co-relation 16601. Up to 859 conditions per place. [2021-06-11 23:00:55,528 INFO L151 LiptonReduction]: Number of co-enabled transitions 750 [2021-06-11 23:00:55,616 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:55,616 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:55,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-06-11 23:00:55,617 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 861 transitions, 11408 flow [2021-06-11 23:00:55,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:55,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:55,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:55,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 23:00:55,617 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:55,617 INFO L82 PathProgramCache]: Analyzing trace with hash -839694757, now seen corresponding path program 6 times [2021-06-11 23:00:55,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:55,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791474634] [2021-06-11 23:00:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:55,636 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:55,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:55,640 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:55,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:55,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:55,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:55,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:55,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:55,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:55,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791474634] [2021-06-11 23:00:55,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:55,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:00:55,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206270333] [2021-06-11 23:00:55,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:00:55,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:55,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:00:55,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:00:55,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:55,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 861 transitions, 11408 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:55,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:55,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:55,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:56,658 INFO L129 PetriNetUnfolder]: 1325/2470 cut-off events. [2021-06-11 23:00:56,658 INFO L130 PetriNetUnfolder]: For 67401/67415 co-relation queries the response was YES. [2021-06-11 23:00:56,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21287 conditions, 2470 events. 1325/2470 cut-off events. For 67401/67415 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 15606 event pairs, 246 based on Foata normal form. 11/2478 useless extension candidates. Maximal degree in co-relation 21124. Up to 2089 conditions per place. [2021-06-11 23:00:56,692 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 708 selfloop transitions, 169 changer transitions 3/888 dead transitions. [2021-06-11 23:00:56,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 888 transitions, 13665 flow [2021-06-11 23:00:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 23:00:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 23:00:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 618 transitions. [2021-06-11 23:00:56,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44782608695652176 [2021-06-11 23:00:56,695 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 618 transitions. [2021-06-11 23:00:56,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 618 transitions. [2021-06-11 23:00:56,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:56,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 618 transitions. [2021-06-11 23:00:56,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.9) internal successors, (618), 20 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) [2021-06-11 23:00:56,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:56,697 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:56,697 INFO L185 Difference]: Start difference. First operand has 396 places, 861 transitions, 11408 flow. Second operand 20 states and 618 transitions. [2021-06-11 23:00:56,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 888 transitions, 13665 flow [2021-06-11 23:00:56,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 888 transitions, 13226 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-06-11 23:00:56,973 INFO L241 Difference]: Finished difference. Result has 404 places, 865 transitions, 11375 flow [2021-06-11 23:00:56,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10987, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=11375, PETRI_PLACES=404, PETRI_TRANSITIONS=865} [2021-06-11 23:00:56,973 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 365 predicate places. [2021-06-11 23:00:56,973 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:56,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 865 transitions, 11375 flow [2021-06-11 23:00:56,974 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 865 transitions, 11375 flow [2021-06-11 23:00:56,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 865 transitions, 11375 flow [2021-06-11 23:00:57,266 INFO L129 PetriNetUnfolder]: 1141/2239 cut-off events. [2021-06-11 23:00:57,267 INFO L130 PetriNetUnfolder]: For 48308/48425 co-relation queries the response was YES. [2021-06-11 23:00:57,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16680 conditions, 2239 events. 1141/2239 cut-off events. For 48308/48425 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 15288 event pairs, 145 based on Foata normal form. 8/2197 useless extension candidates. Maximal degree in co-relation 16542. Up to 860 conditions per place. [2021-06-11 23:00:57,299 INFO L151 LiptonReduction]: Number of co-enabled transitions 758 [2021-06-11 23:00:57,378 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:57,378 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:57,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-06-11 23:00:57,379 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 865 transitions, 11375 flow [2021-06-11 23:00:57,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:57,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:57,379 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] [2021-06-11 23:00:57,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 23:00:57,379 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:57,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1128156379, now seen corresponding path program 7 times [2021-06-11 23:00:57,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:57,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946591215] [2021-06-11 23:00:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:57,394 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:57,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:57,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:57,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:57,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:57,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:57,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:57,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:57,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:57,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:57,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:57,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:57,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:57,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:57,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:57,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946591215] [2021-06-11 23:00:57,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:57,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:57,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404757338] [2021-06-11 23:00:57,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:57,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:57,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:57,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:57,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:57,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 865 transitions, 11375 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:57,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:57,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:57,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:00:58,641 INFO L129 PetriNetUnfolder]: 1334/2480 cut-off events. [2021-06-11 23:00:58,641 INFO L130 PetriNetUnfolder]: For 67572/67586 co-relation queries the response was YES. [2021-06-11 23:00:58,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21424 conditions, 2480 events. 1334/2480 cut-off events. For 67572/67586 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 15643 event pairs, 253 based on Foata normal form. 12/2489 useless extension candidates. Maximal degree in co-relation 21286. Up to 2035 conditions per place. [2021-06-11 23:00:58,677 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 639 selfloop transitions, 247 changer transitions 6/900 dead transitions. [2021-06-11 23:00:58,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 900 transitions, 13804 flow [2021-06-11 23:00:58,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 23:00:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 23:00:58,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 739 transitions. [2021-06-11 23:00:58,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.446256038647343 [2021-06-11 23:00:58,679 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 739 transitions. [2021-06-11 23:00:58,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 739 transitions. [2021-06-11 23:00:58,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:00:58,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 739 transitions. [2021-06-11 23:00:58,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.791666666666668) internal successors, (739), 24 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:58,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:58,681 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 69.0) internal successors, (1725), 25 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:58,681 INFO L185 Difference]: Start difference. First operand has 400 places, 865 transitions, 11375 flow. Second operand 24 states and 739 transitions. [2021-06-11 23:00:58,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 900 transitions, 13804 flow [2021-06-11 23:00:58,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 900 transitions, 13484 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-06-11 23:00:59,000 INFO L241 Difference]: Finished difference. Result has 414 places, 876 transitions, 11747 flow [2021-06-11 23:00:59,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11055, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=11747, PETRI_PLACES=414, PETRI_TRANSITIONS=876} [2021-06-11 23:00:59,001 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 375 predicate places. [2021-06-11 23:00:59,001 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:00:59,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 876 transitions, 11747 flow [2021-06-11 23:00:59,001 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 876 transitions, 11747 flow [2021-06-11 23:00:59,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 876 transitions, 11747 flow [2021-06-11 23:00:59,281 INFO L129 PetriNetUnfolder]: 1160/2266 cut-off events. [2021-06-11 23:00:59,282 INFO L130 PetriNetUnfolder]: For 48749/48898 co-relation queries the response was YES. [2021-06-11 23:00:59,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17035 conditions, 2266 events. 1160/2266 cut-off events. For 48749/48898 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 15432 event pairs, 132 based on Foata normal form. 10/2209 useless extension candidates. Maximal degree in co-relation 16893. Up to 875 conditions per place. [2021-06-11 23:00:59,324 INFO L151 LiptonReduction]: Number of co-enabled transitions 782 [2021-06-11 23:00:59,418 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:00:59,418 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:00:59,418 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-06-11 23:00:59,418 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 876 transitions, 11747 flow [2021-06-11 23:00:59,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:59,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:00:59,419 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:00:59,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 23:00:59,419 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:00:59,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:00:59,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2092046469, now seen corresponding path program 5 times [2021-06-11 23:00:59,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:00:59,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024708775] [2021-06-11 23:00:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:00:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:00:59,431 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:00:59,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:00:59,435 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:00:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:00:59,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:00:59,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:59,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:59,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:00:59,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:59,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:59,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:00:59,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:59,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:59,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:00:59,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:00:59,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:00:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:00:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:00:59,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024708775] [2021-06-11 23:00:59,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:00:59,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:00:59,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102870199] [2021-06-11 23:00:59,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:00:59,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:00:59,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:00:59,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:00:59,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:00:59,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 876 transitions, 11747 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:00:59,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:00:59,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:00:59,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:00,783 INFO L129 PetriNetUnfolder]: 1334/2459 cut-off events. [2021-06-11 23:01:00,783 INFO L130 PetriNetUnfolder]: For 67669/67683 co-relation queries the response was YES. [2021-06-11 23:01:00,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21459 conditions, 2459 events. 1334/2459 cut-off events. For 67669/67683 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 15337 event pairs, 247 based on Foata normal form. 13/2469 useless extension candidates. Maximal degree in co-relation 21314. Up to 2025 conditions per place. [2021-06-11 23:01:00,819 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 630 selfloop transitions, 244 changer transitions 9/891 dead transitions. [2021-06-11 23:01:00,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 891 transitions, 13824 flow [2021-06-11 23:01:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 23:01:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 23:01:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 711 transitions. [2021-06-11 23:01:00,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44801512287334594 [2021-06-11 23:01:00,820 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 711 transitions. [2021-06-11 23:01:00,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 711 transitions. [2021-06-11 23:01:00,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:00,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 711 transitions. [2021-06-11 23:01:00,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.91304347826087) internal successors, (711), 23 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:00,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:00,823 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:00,823 INFO L185 Difference]: Start difference. First operand has 411 places, 876 transitions, 11747 flow. Second operand 23 states and 711 transitions. [2021-06-11 23:01:00,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 891 transitions, 13824 flow [2021-06-11 23:01:01,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 891 transitions, 13287 flow, removed 3 selfloop flow, removed 19 redundant places. [2021-06-11 23:01:01,123 INFO L241 Difference]: Finished difference. Result has 415 places, 867 transitions, 11540 flow [2021-06-11 23:01:01,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11211, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=11540, PETRI_PLACES=415, PETRI_TRANSITIONS=867} [2021-06-11 23:01:01,123 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 376 predicate places. [2021-06-11 23:01:01,124 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:01,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 867 transitions, 11540 flow [2021-06-11 23:01:01,124 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 867 transitions, 11540 flow [2021-06-11 23:01:01,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 867 transitions, 11540 flow [2021-06-11 23:01:01,394 INFO L129 PetriNetUnfolder]: 1146/2245 cut-off events. [2021-06-11 23:01:01,394 INFO L130 PetriNetUnfolder]: For 48333/48448 co-relation queries the response was YES. [2021-06-11 23:01:01,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16969 conditions, 2245 events. 1146/2245 cut-off events. For 48333/48448 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 15290 event pairs, 118 based on Foata normal form. 6/2204 useless extension candidates. Maximal degree in co-relation 16825. Up to 860 conditions per place. [2021-06-11 23:01:01,431 INFO L151 LiptonReduction]: Number of co-enabled transitions 782 [2021-06-11 23:01:01,522 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:01,522 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:01,522 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-06-11 23:01:01,522 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 867 transitions, 11540 flow [2021-06-11 23:01:01,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:01,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:01,523 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] [2021-06-11 23:01:01,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 23:01:01,523 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:01,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:01,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1266961297, now seen corresponding path program 8 times [2021-06-11 23:01:01,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:01,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138819960] [2021-06-11 23:01:01,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:01,537 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:01,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:01,541 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:01,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:01,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:01,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:01,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:01,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:01,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:01,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:01,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:01,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:01,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:01,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:01,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:01,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138819960] [2021-06-11 23:01:01,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:01,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:01:01,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109571759] [2021-06-11 23:01:01,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:01:01,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:01,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:01:01,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:01:01,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:01,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 867 transitions, 11540 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:01,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:01,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:01,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:02,757 INFO L129 PetriNetUnfolder]: 1332/2445 cut-off events. [2021-06-11 23:01:02,758 INFO L130 PetriNetUnfolder]: For 66354/66368 co-relation queries the response was YES. [2021-06-11 23:01:02,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21408 conditions, 2445 events. 1332/2445 cut-off events. For 66354/66368 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 15166 event pairs, 251 based on Foata normal form. 11/2453 useless extension candidates. Maximal degree in co-relation 21242. Up to 2016 conditions per place. [2021-06-11 23:01:02,786 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 625 selfloop transitions, 250 changer transitions 2/885 dead transitions. [2021-06-11 23:01:02,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 885 transitions, 13654 flow [2021-06-11 23:01:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 23:01:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 23:01:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 792 transitions. [2021-06-11 23:01:02,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4414715719063545 [2021-06-11 23:01:02,788 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 792 transitions. [2021-06-11 23:01:02,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 792 transitions. [2021-06-11 23:01:02,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:02,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 792 transitions. [2021-06-11 23:01:02,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.46153846153846) internal successors, (792), 26 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:02,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:02,790 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 69.0) internal successors, (1863), 27 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:02,790 INFO L185 Difference]: Start difference. First operand has 403 places, 867 transitions, 11540 flow. Second operand 26 states and 792 transitions. [2021-06-11 23:01:02,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 885 transitions, 13654 flow [2021-06-11 23:01:03,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 885 transitions, 13076 flow, removed 6 selfloop flow, removed 21 redundant places. [2021-06-11 23:01:03,036 INFO L241 Difference]: Finished difference. Result has 410 places, 867 transitions, 11484 flow [2021-06-11 23:01:03,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10968, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=11484, PETRI_PLACES=410, PETRI_TRANSITIONS=867} [2021-06-11 23:01:03,037 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 371 predicate places. [2021-06-11 23:01:03,037 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:03,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 867 transitions, 11484 flow [2021-06-11 23:01:03,037 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 867 transitions, 11484 flow [2021-06-11 23:01:03,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 867 transitions, 11484 flow [2021-06-11 23:01:03,308 INFO L129 PetriNetUnfolder]: 1151/2245 cut-off events. [2021-06-11 23:01:03,309 INFO L130 PetriNetUnfolder]: For 46011/46124 co-relation queries the response was YES. [2021-06-11 23:01:03,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16915 conditions, 2245 events. 1151/2245 cut-off events. For 46011/46124 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 15077 event pairs, 126 based on Foata normal form. 3/2201 useless extension candidates. Maximal degree in co-relation 16756. Up to 861 conditions per place. [2021-06-11 23:01:03,344 INFO L151 LiptonReduction]: Number of co-enabled transitions 776 [2021-06-11 23:01:03,432 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:03,432 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:03,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-06-11 23:01:03,433 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 867 transitions, 11484 flow [2021-06-11 23:01:03,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:03,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:03,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:03,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 23:01:03,433 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:03,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1452446499, now seen corresponding path program 9 times [2021-06-11 23:01:03,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:03,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017402424] [2021-06-11 23:01:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:03,445 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:03,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:03,449 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:03,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:03,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:03,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:03,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:03,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:03,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:03,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:03,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:03,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:03,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:03,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:03,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:03,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:03,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017402424] [2021-06-11 23:01:03,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:03,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:01:03,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251602680] [2021-06-11 23:01:03,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:01:03,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:03,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:01:03,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:01:03,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:03,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 867 transitions, 11484 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:03,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:03,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:03,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:04,589 INFO L129 PetriNetUnfolder]: 1332/2436 cut-off events. [2021-06-11 23:01:04,589 INFO L130 PetriNetUnfolder]: For 65287/65301 co-relation queries the response was YES. [2021-06-11 23:01:04,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21395 conditions, 2436 events. 1332/2436 cut-off events. For 65287/65301 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 15033 event pairs, 241 based on Foata normal form. 12/2445 useless extension candidates. Maximal degree in co-relation 21229. Up to 2036 conditions per place. [2021-06-11 23:01:04,619 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 634 selfloop transitions, 227 changer transitions 8/877 dead transitions. [2021-06-11 23:01:04,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 877 transitions, 13475 flow [2021-06-11 23:01:04,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 23:01:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 23:01:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 650 transitions. [2021-06-11 23:01:04,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44858523119392685 [2021-06-11 23:01:04,621 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 650 transitions. [2021-06-11 23:01:04,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 650 transitions. [2021-06-11 23:01:04,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:04,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 650 transitions. [2021-06-11 23:01:04,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.952380952380953) internal successors, (650), 21 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:04,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:04,623 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:04,623 INFO L185 Difference]: Start difference. First operand has 407 places, 867 transitions, 11484 flow. Second operand 21 states and 650 transitions. [2021-06-11 23:01:04,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 877 transitions, 13475 flow [2021-06-11 23:01:04,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 877 transitions, 12970 flow, removed 7 selfloop flow, removed 22 redundant places. [2021-06-11 23:01:04,881 INFO L241 Difference]: Finished difference. Result has 406 places, 859 transitions, 11300 flow [2021-06-11 23:01:04,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10979, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11300, PETRI_PLACES=406, PETRI_TRANSITIONS=859} [2021-06-11 23:01:04,882 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 367 predicate places. [2021-06-11 23:01:04,882 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:04,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 859 transitions, 11300 flow [2021-06-11 23:01:04,883 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 859 transitions, 11300 flow [2021-06-11 23:01:04,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 859 transitions, 11300 flow [2021-06-11 23:01:05,174 INFO L129 PetriNetUnfolder]: 1161/2247 cut-off events. [2021-06-11 23:01:05,174 INFO L130 PetriNetUnfolder]: For 47429/47617 co-relation queries the response was YES. [2021-06-11 23:01:05,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17020 conditions, 2247 events. 1161/2247 cut-off events. For 47429/47617 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 15199 event pairs, 112 based on Foata normal form. 4/2190 useless extension candidates. Maximal degree in co-relation 16868. Up to 875 conditions per place. [2021-06-11 23:01:05,213 INFO L151 LiptonReduction]: Number of co-enabled transitions 776 [2021-06-11 23:01:05,299 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:05,299 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:05,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-06-11 23:01:05,300 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 859 transitions, 11300 flow [2021-06-11 23:01:05,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:05,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:05,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:05,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 23:01:05,300 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:05,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:05,300 INFO L82 PathProgramCache]: Analyzing trace with hash -276064965, now seen corresponding path program 10 times [2021-06-11 23:01:05,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:05,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291874608] [2021-06-11 23:01:05,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:05,312 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:05,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:05,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:05,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:05,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:05,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:05,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:05,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:05,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:05,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:05,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:05,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:05,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:05,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:05,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:05,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291874608] [2021-06-11 23:01:05,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:05,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:05,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879901573] [2021-06-11 23:01:05,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:05,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:05,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:05,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:05,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:05,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 859 transitions, 11300 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:05,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:05,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:05,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:06,444 INFO L129 PetriNetUnfolder]: 1341/2448 cut-off events. [2021-06-11 23:01:06,444 INFO L130 PetriNetUnfolder]: For 65838/65852 co-relation queries the response was YES. [2021-06-11 23:01:06,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21453 conditions, 2448 events. 1341/2448 cut-off events. For 65838/65852 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 15082 event pairs, 238 based on Foata normal form. 11/2456 useless extension candidates. Maximal degree in co-relation 21297. Up to 2048 conditions per place. [2021-06-11 23:01:06,472 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 654 selfloop transitions, 237 changer transitions 9/908 dead transitions. [2021-06-11 23:01:06,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 908 transitions, 13940 flow [2021-06-11 23:01:06,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 23:01:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 23:01:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 626 transitions. [2021-06-11 23:01:06,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45362318840579713 [2021-06-11 23:01:06,474 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 626 transitions. [2021-06-11 23:01:06,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 626 transitions. [2021-06-11 23:01:06,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:06,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 626 transitions. [2021-06-11 23:01:06,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.3) internal successors, (626), 20 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:06,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:06,476 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 69.0) internal successors, (1449), 21 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:06,476 INFO L185 Difference]: Start difference. First operand has 400 places, 859 transitions, 11300 flow. Second operand 20 states and 626 transitions. [2021-06-11 23:01:06,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 908 transitions, 13940 flow [2021-06-11 23:01:06,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 908 transitions, 13440 flow, removed 18 selfloop flow, removed 24 redundant places. [2021-06-11 23:01:06,741 INFO L241 Difference]: Finished difference. Result has 401 places, 881 transitions, 11731 flow [2021-06-11 23:01:06,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10812, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=11731, PETRI_PLACES=401, PETRI_TRANSITIONS=881} [2021-06-11 23:01:06,742 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 362 predicate places. [2021-06-11 23:01:06,742 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:06,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 881 transitions, 11731 flow [2021-06-11 23:01:06,743 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 881 transitions, 11731 flow [2021-06-11 23:01:06,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 399 places, 881 transitions, 11731 flow [2021-06-11 23:01:07,031 INFO L129 PetriNetUnfolder]: 1168/2216 cut-off events. [2021-06-11 23:01:07,031 INFO L130 PetriNetUnfolder]: For 50530/50747 co-relation queries the response was YES. [2021-06-11 23:01:07,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17267 conditions, 2216 events. 1168/2216 cut-off events. For 50530/50747 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14638 event pairs, 123 based on Foata normal form. 5/2132 useless extension candidates. Maximal degree in co-relation 17109. Up to 884 conditions per place. [2021-06-11 23:01:07,071 INFO L151 LiptonReduction]: Number of co-enabled transitions 782 [2021-06-11 23:01:07,163 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:07,163 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:07,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 421 [2021-06-11 23:01:07,163 INFO L480 AbstractCegarLoop]: Abstraction has has 399 places, 881 transitions, 11731 flow [2021-06-11 23:01:07,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:07,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:07,164 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] [2021-06-11 23:01:07,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 23:01:07,164 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:07,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:07,164 INFO L82 PathProgramCache]: Analyzing trace with hash -145365579, now seen corresponding path program 11 times [2021-06-11 23:01:07,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:07,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117939832] [2021-06-11 23:01:07,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:07,179 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:07,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:07,184 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:07,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:07,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:07,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:07,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:07,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:07,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:07,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:07,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 23:01:07,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:07,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:07,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:07,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:07,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:07,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117939832] [2021-06-11 23:01:07,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:07,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:07,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506258141] [2021-06-11 23:01:07,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:07,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:07,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:07,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:07,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:07,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 881 transitions, 11731 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:07,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:07,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:07,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:08,335 INFO L129 PetriNetUnfolder]: 1338/2435 cut-off events. [2021-06-11 23:01:08,335 INFO L130 PetriNetUnfolder]: For 70111/70127 co-relation queries the response was YES. [2021-06-11 23:01:08,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21709 conditions, 2435 events. 1338/2435 cut-off events. For 70111/70127 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14890 event pairs, 143 based on Foata normal form. 13/2445 useless extension candidates. Maximal degree in co-relation 21543. Up to 2075 conditions per place. [2021-06-11 23:01:08,366 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 679 selfloop transitions, 205 changer transitions 5/897 dead transitions. [2021-06-11 23:01:08,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 897 transitions, 13822 flow [2021-06-11 23:01:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 23:01:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 23:01:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 586 transitions. [2021-06-11 23:01:08,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4469870327993898 [2021-06-11 23:01:08,367 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 586 transitions. [2021-06-11 23:01:08,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 586 transitions. [2021-06-11 23:01:08,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:08,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 586 transitions. [2021-06-11 23:01:08,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 30.842105263157894) internal successors, (586), 19 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:08,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:08,369 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:08,369 INFO L185 Difference]: Start difference. First operand has 399 places, 881 transitions, 11731 flow. Second operand 19 states and 586 transitions. [2021-06-11 23:01:08,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 897 transitions, 13822 flow [2021-06-11 23:01:08,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 897 transitions, 13350 flow, removed 105 selfloop flow, removed 15 redundant places. [2021-06-11 23:01:08,639 INFO L241 Difference]: Finished difference. Result has 405 places, 881 transitions, 11681 flow [2021-06-11 23:01:08,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11259, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11681, PETRI_PLACES=405, PETRI_TRANSITIONS=881} [2021-06-11 23:01:08,640 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 366 predicate places. [2021-06-11 23:01:08,640 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:08,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 881 transitions, 11681 flow [2021-06-11 23:01:08,640 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 881 transitions, 11681 flow [2021-06-11 23:01:08,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 881 transitions, 11681 flow [2021-06-11 23:01:08,913 INFO L129 PetriNetUnfolder]: 1174/2235 cut-off events. [2021-06-11 23:01:08,913 INFO L130 PetriNetUnfolder]: For 47371/47502 co-relation queries the response was YES. [2021-06-11 23:01:08,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17087 conditions, 2235 events. 1174/2235 cut-off events. For 47371/47502 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 14804 event pairs, 193 based on Foata normal form. 3/2176 useless extension candidates. Maximal degree in co-relation 16951. Up to 872 conditions per place. [2021-06-11 23:01:08,957 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 23:01:09,047 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:09,048 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:09,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-06-11 23:01:09,048 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 881 transitions, 11681 flow [2021-06-11 23:01:09,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:09,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:09,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:09,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 23:01:09,049 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:09,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:09,049 INFO L82 PathProgramCache]: Analyzing trace with hash 117709511, now seen corresponding path program 12 times [2021-06-11 23:01:09,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:09,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719093788] [2021-06-11 23:01:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:09,070 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:09,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:09,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:09,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:09,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:09,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:09,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:09,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:09,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:09,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:09,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:09,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:09,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:09,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:09,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719093788] [2021-06-11 23:01:09,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:09,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:09,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668158615] [2021-06-11 23:01:09,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:09,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:09,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:09,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:09,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:09,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 881 transitions, 11681 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:09,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:09,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:09,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:10,237 INFO L129 PetriNetUnfolder]: 1337/2426 cut-off events. [2021-06-11 23:01:10,237 INFO L130 PetriNetUnfolder]: For 67533/67547 co-relation queries the response was YES. [2021-06-11 23:01:10,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21497 conditions, 2426 events. 1337/2426 cut-off events. For 67533/67547 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 14753 event pairs, 237 based on Foata normal form. 11/2434 useless extension candidates. Maximal degree in co-relation 21354. Up to 2051 conditions per place. [2021-06-11 23:01:10,272 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 673 selfloop transitions, 216 changer transitions 3/900 dead transitions. [2021-06-11 23:01:10,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 900 transitions, 13878 flow [2021-06-11 23:01:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 23:01:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 23:01:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 595 transitions. [2021-06-11 23:01:10,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45385202135774216 [2021-06-11 23:01:10,273 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 595 transitions. [2021-06-11 23:01:10,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 595 transitions. [2021-06-11 23:01:10,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:10,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 595 transitions. [2021-06-11 23:01:10,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.31578947368421) internal successors, (595), 19 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:10,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:10,275 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:10,275 INFO L185 Difference]: Start difference. First operand has 401 places, 881 transitions, 11681 flow. Second operand 19 states and 595 transitions. [2021-06-11 23:01:10,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 900 transitions, 13878 flow [2021-06-11 23:01:10,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 900 transitions, 13456 flow, removed 2 selfloop flow, removed 18 redundant places. [2021-06-11 23:01:10,518 INFO L241 Difference]: Finished difference. Result has 402 places, 878 transitions, 11633 flow [2021-06-11 23:01:10,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11259, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11633, PETRI_PLACES=402, PETRI_TRANSITIONS=878} [2021-06-11 23:01:10,519 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-06-11 23:01:10,519 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:10,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 878 transitions, 11633 flow [2021-06-11 23:01:10,519 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 878 transitions, 11633 flow [2021-06-11 23:01:10,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 878 transitions, 11633 flow [2021-06-11 23:01:10,816 INFO L129 PetriNetUnfolder]: 1171/2227 cut-off events. [2021-06-11 23:01:10,816 INFO L130 PetriNetUnfolder]: For 47657/47808 co-relation queries the response was YES. [2021-06-11 23:01:10,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17019 conditions, 2227 events. 1171/2227 cut-off events. For 47657/47808 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14690 event pairs, 166 based on Foata normal form. 3/2160 useless extension candidates. Maximal degree in co-relation 16878. Up to 864 conditions per place. [2021-06-11 23:01:10,850 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 23:01:10,938 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:10,938 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:10,938 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 419 [2021-06-11 23:01:10,939 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 878 transitions, 11633 flow [2021-06-11 23:01:10,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:10,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:10,939 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] [2021-06-11 23:01:10,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 23:01:10,939 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:10,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:10,939 INFO L82 PathProgramCache]: Analyzing trace with hash 654433291, now seen corresponding path program 13 times [2021-06-11 23:01:10,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:10,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277303077] [2021-06-11 23:01:10,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:10,950 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:10,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:10,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:10,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:10,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:10,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:10,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:10,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:10,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:10,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:10,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 23:01:11,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:11,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:11,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:11,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:11,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:11,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:11,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:11,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:11,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277303077] [2021-06-11 23:01:11,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:11,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:11,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898221574] [2021-06-11 23:01:11,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:11,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:11,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:11,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:11,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:11,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 878 transitions, 11633 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:11,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:11,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:11,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:12,059 INFO L129 PetriNetUnfolder]: 1332/2443 cut-off events. [2021-06-11 23:01:12,059 INFO L130 PetriNetUnfolder]: For 67446/67460 co-relation queries the response was YES. [2021-06-11 23:01:12,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21516 conditions, 2443 events. 1332/2443 cut-off events. For 67446/67460 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 15058 event pairs, 240 based on Foata normal form. 12/2452 useless extension candidates. Maximal degree in co-relation 21372. Up to 2049 conditions per place. [2021-06-11 23:01:12,129 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 668 selfloop transitions, 218 changer transitions 5/899 dead transitions. [2021-06-11 23:01:12,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 899 transitions, 13808 flow [2021-06-11 23:01:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 23:01:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 23:01:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 671 transitions. [2021-06-11 23:01:12,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4420289855072464 [2021-06-11 23:01:12,130 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 671 transitions. [2021-06-11 23:01:12,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 671 transitions. [2021-06-11 23:01:12,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:12,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 671 transitions. [2021-06-11 23:01:12,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 30.5) internal successors, (671), 22 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:12,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:12,132 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 69.0) internal successors, (1587), 23 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:12,132 INFO L185 Difference]: Start difference. First operand has 394 places, 878 transitions, 11633 flow. Second operand 22 states and 671 transitions. [2021-06-11 23:01:12,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 899 transitions, 13808 flow [2021-06-11 23:01:12,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 899 transitions, 13300 flow, removed 17 selfloop flow, removed 19 redundant places. [2021-06-11 23:01:12,373 INFO L241 Difference]: Finished difference. Result has 400 places, 878 transitions, 11572 flow [2021-06-11 23:01:12,374 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11127, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=11572, PETRI_PLACES=400, PETRI_TRANSITIONS=878} [2021-06-11 23:01:12,374 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 361 predicate places. [2021-06-11 23:01:12,374 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:12,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 878 transitions, 11572 flow [2021-06-11 23:01:12,375 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 878 transitions, 11572 flow [2021-06-11 23:01:12,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 878 transitions, 11572 flow [2021-06-11 23:01:12,650 INFO L129 PetriNetUnfolder]: 1154/2224 cut-off events. [2021-06-11 23:01:12,650 INFO L130 PetriNetUnfolder]: For 47351/47461 co-relation queries the response was YES. [2021-06-11 23:01:12,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16966 conditions, 2224 events. 1154/2224 cut-off events. For 47351/47461 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 14852 event pairs, 95 based on Foata normal form. 2/2172 useless extension candidates. Maximal degree in co-relation 16820. Up to 859 conditions per place. [2021-06-11 23:01:12,683 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 23:01:12,771 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:12,771 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:12,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-06-11 23:01:12,772 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 878 transitions, 11572 flow [2021-06-11 23:01:12,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:12,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:12,772 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] [2021-06-11 23:01:12,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 23:01:12,772 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:12,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:12,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1780362199, now seen corresponding path program 14 times [2021-06-11 23:01:12,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:12,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531423458] [2021-06-11 23:01:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:12,825 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:12,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:12,829 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:12,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:12,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:12,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:12,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:12,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:12,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:12,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:12,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:12,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:12,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531423458] [2021-06-11 23:01:12,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:12,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:12,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037963616] [2021-06-11 23:01:12,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:12,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:12,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:12,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:12,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:12,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 878 transitions, 11572 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:12,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:12,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:12,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:13,867 INFO L129 PetriNetUnfolder]: 1332/2436 cut-off events. [2021-06-11 23:01:13,867 INFO L130 PetriNetUnfolder]: For 67626/67640 co-relation queries the response was YES. [2021-06-11 23:01:13,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21449 conditions, 2436 events. 1332/2436 cut-off events. For 67626/67640 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 14999 event pairs, 243 based on Foata normal form. 11/2444 useless extension candidates. Maximal degree in co-relation 21301. Up to 2059 conditions per place. [2021-06-11 23:01:13,898 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 674 selfloop transitions, 207 changer transitions 4/893 dead transitions. [2021-06-11 23:01:13,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 893 transitions, 13681 flow [2021-06-11 23:01:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 23:01:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 23:01:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 533 transitions. [2021-06-11 23:01:13,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45439045183290705 [2021-06-11 23:01:13,899 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 533 transitions. [2021-06-11 23:01:13,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 533 transitions. [2021-06-11 23:01:13,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:13,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 533 transitions. [2021-06-11 23:01:13,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.352941176470587) internal successors, (533), 17 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) [2021-06-11 23:01:13,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:13,901 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:13,901 INFO L185 Difference]: Start difference. First operand has 397 places, 878 transitions, 11572 flow. Second operand 17 states and 533 transitions. [2021-06-11 23:01:13,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 893 transitions, 13681 flow [2021-06-11 23:01:14,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 893 transitions, 13189 flow, removed 16 selfloop flow, removed 19 redundant places. [2021-06-11 23:01:14,132 INFO L241 Difference]: Finished difference. Result has 395 places, 874 transitions, 11443 flow [2021-06-11 23:01:14,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11083, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11443, PETRI_PLACES=395, PETRI_TRANSITIONS=874} [2021-06-11 23:01:14,133 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 356 predicate places. [2021-06-11 23:01:14,133 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:14,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 874 transitions, 11443 flow [2021-06-11 23:01:14,133 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 874 transitions, 11443 flow [2021-06-11 23:01:14,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 874 transitions, 11443 flow [2021-06-11 23:01:14,410 INFO L129 PetriNetUnfolder]: 1155/2209 cut-off events. [2021-06-11 23:01:14,410 INFO L130 PetriNetUnfolder]: For 47579/47696 co-relation queries the response was YES. [2021-06-11 23:01:14,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16883 conditions, 2209 events. 1155/2209 cut-off events. For 47579/47696 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 14650 event pairs, 120 based on Foata normal form. 3/2157 useless extension candidates. Maximal degree in co-relation 16761. Up to 854 conditions per place. [2021-06-11 23:01:14,443 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 23:01:14,527 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:14,527 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:14,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 394 [2021-06-11 23:01:14,527 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 874 transitions, 11443 flow [2021-06-11 23:01:14,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:14,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:14,528 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] [2021-06-11 23:01:14,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 23:01:14,528 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:14,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash 322518225, now seen corresponding path program 15 times [2021-06-11 23:01:14,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:14,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044561971] [2021-06-11 23:01:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:14,544 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:14,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:14,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:14,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:14,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:14,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:14,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:14,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:14,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:14,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:14,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 23:01:14,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:14,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:14,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:14,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:14,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:14,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044561971] [2021-06-11 23:01:14,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:14,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:14,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290557021] [2021-06-11 23:01:14,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:14,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:14,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:14,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:14,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:14,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 874 transitions, 11443 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:14,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:14,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:14,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:15,614 INFO L129 PetriNetUnfolder]: 1332/2430 cut-off events. [2021-06-11 23:01:15,614 INFO L130 PetriNetUnfolder]: For 67129/67143 co-relation queries the response was YES. [2021-06-11 23:01:15,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21334 conditions, 2430 events. 1332/2430 cut-off events. For 67129/67143 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 14898 event pairs, 245 based on Foata normal form. 11/2438 useless extension candidates. Maximal degree in co-relation 21210. Up to 2039 conditions per place. [2021-06-11 23:01:15,647 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 652 selfloop transitions, 230 changer transitions 3/893 dead transitions. [2021-06-11 23:01:15,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 893 transitions, 13548 flow [2021-06-11 23:01:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 23:01:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 23:01:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 596 transitions. [2021-06-11 23:01:15,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45461479786422576 [2021-06-11 23:01:15,649 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 596 transitions. [2021-06-11 23:01:15,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 596 transitions. [2021-06-11 23:01:15,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:15,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 596 transitions. [2021-06-11 23:01:15,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.36842105263158) internal successors, (596), 19 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:15,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:15,651 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:15,651 INFO L185 Difference]: Start difference. First operand has 389 places, 874 transitions, 11443 flow. Second operand 19 states and 596 transitions. [2021-06-11 23:01:15,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 893 transitions, 13548 flow [2021-06-11 23:01:15,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 893 transitions, 13120 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-06-11 23:01:15,873 INFO L241 Difference]: Finished difference. Result has 395 places, 876 transitions, 11538 flow [2021-06-11 23:01:15,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11015, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=874, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11538, PETRI_PLACES=395, PETRI_TRANSITIONS=876} [2021-06-11 23:01:15,874 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 356 predicate places. [2021-06-11 23:01:15,874 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:15,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 876 transitions, 11538 flow [2021-06-11 23:01:15,874 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 876 transitions, 11538 flow [2021-06-11 23:01:15,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 876 transitions, 11538 flow [2021-06-11 23:01:16,126 INFO L129 PetriNetUnfolder]: 1150/2190 cut-off events. [2021-06-11 23:01:16,127 INFO L130 PetriNetUnfolder]: For 46149/46281 co-relation queries the response was YES. [2021-06-11 23:01:16,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16760 conditions, 2190 events. 1150/2190 cut-off events. For 46149/46281 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14353 event pairs, 88 based on Foata normal form. 4/2133 useless extension candidates. Maximal degree in co-relation 16602. Up to 854 conditions per place. [2021-06-11 23:01:16,164 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 23:01:16,255 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:16,255 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:16,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-06-11 23:01:16,257 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 876 transitions, 11538 flow [2021-06-11 23:01:16,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:16,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:16,257 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:16,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 23:01:16,257 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:16,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:16,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1140956827, now seen corresponding path program 16 times [2021-06-11 23:01:16,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:16,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830699069] [2021-06-11 23:01:16,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:16,297 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:16,301 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:16,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:16,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:16,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:16,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:16,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:16,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 23:01:16,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 23:01:16,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:16,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:16,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:16,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830699069] [2021-06-11 23:01:16,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:16,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:16,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54535706] [2021-06-11 23:01:16,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:16,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:16,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:16,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:16,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:16,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 876 transitions, 11538 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:16,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:16,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:16,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:17,297 INFO L129 PetriNetUnfolder]: 1332/2415 cut-off events. [2021-06-11 23:01:17,298 INFO L130 PetriNetUnfolder]: For 67218/67232 co-relation queries the response was YES. [2021-06-11 23:01:17,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21391 conditions, 2415 events. 1332/2415 cut-off events. For 67218/67232 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 14680 event pairs, 244 based on Foata normal form. 11/2423 useless extension candidates. Maximal degree in co-relation 21231. Up to 2066 conditions per place. [2021-06-11 23:01:17,330 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 681 selfloop transitions, 192 changer transitions 5/886 dead transitions. [2021-06-11 23:01:17,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 886 transitions, 13555 flow [2021-06-11 23:01:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 23:01:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 23:01:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 527 transitions. [2021-06-11 23:01:17,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4492753623188406 [2021-06-11 23:01:17,331 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 527 transitions. [2021-06-11 23:01:17,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 527 transitions. [2021-06-11 23:01:17,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:17,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 527 transitions. [2021-06-11 23:01:17,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.0) internal successors, (527), 17 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:17,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:17,332 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:17,333 INFO L185 Difference]: Start difference. First operand has 393 places, 876 transitions, 11538 flow. Second operand 17 states and 527 transitions. [2021-06-11 23:01:17,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 886 transitions, 13555 flow [2021-06-11 23:01:17,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 886 transitions, 13088 flow, removed 15 selfloop flow, removed 18 redundant places. [2021-06-11 23:01:17,562 INFO L241 Difference]: Finished difference. Result has 392 places, 871 transitions, 11404 flow [2021-06-11 23:01:17,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11071, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11404, PETRI_PLACES=392, PETRI_TRANSITIONS=871} [2021-06-11 23:01:17,563 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 353 predicate places. [2021-06-11 23:01:17,563 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:17,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 392 places, 871 transitions, 11404 flow [2021-06-11 23:01:17,563 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 392 places, 871 transitions, 11404 flow [2021-06-11 23:01:17,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 871 transitions, 11404 flow [2021-06-11 23:01:17,837 INFO L129 PetriNetUnfolder]: 1158/2221 cut-off events. [2021-06-11 23:01:17,837 INFO L130 PetriNetUnfolder]: For 47884/48044 co-relation queries the response was YES. [2021-06-11 23:01:17,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16908 conditions, 2221 events. 1158/2221 cut-off events. For 47884/48044 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 14765 event pairs, 105 based on Foata normal form. 3/2160 useless extension candidates. Maximal degree in co-relation 16778. Up to 867 conditions per place. [2021-06-11 23:01:17,874 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 23:01:17,963 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:17,963 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:17,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 400 [2021-06-11 23:01:17,963 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 871 transitions, 11404 flow [2021-06-11 23:01:17,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:17,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:17,964 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] [2021-06-11 23:01:17,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 23:01:17,964 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:17,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:17,964 INFO L82 PathProgramCache]: Analyzing trace with hash 544458899, now seen corresponding path program 6 times [2021-06-11 23:01:17,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:17,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116220869] [2021-06-11 23:01:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:17,980 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:17,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:17,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:17,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:17,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:17,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:18,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:18,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:18,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:18,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:18,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:18,074 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:18,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:18,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116220869] [2021-06-11 23:01:18,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:18,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:18,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347815722] [2021-06-11 23:01:18,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:18,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:18,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:18,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:18,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:18,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 871 transitions, 11404 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:18,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:18,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:18,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:19,086 INFO L129 PetriNetUnfolder]: 1332/2410 cut-off events. [2021-06-11 23:01:19,086 INFO L130 PetriNetUnfolder]: For 66643/66657 co-relation queries the response was YES. [2021-06-11 23:01:19,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21280 conditions, 2410 events. 1332/2410 cut-off events. For 66643/66657 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 14604 event pairs, 239 based on Foata normal form. 11/2418 useless extension candidates. Maximal degree in co-relation 21157. Up to 2046 conditions per place. [2021-06-11 23:01:19,113 INFO L132 encePairwiseOnDemand]: 50/69 looper letters, 666 selfloop transitions, 207 changer transitions 3/884 dead transitions. [2021-06-11 23:01:19,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 884 transitions, 13453 flow [2021-06-11 23:01:19,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 23:01:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 23:01:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 592 transitions. [2021-06-11 23:01:19,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45156369183829137 [2021-06-11 23:01:19,114 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 592 transitions. [2021-06-11 23:01:19,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 592 transitions. [2021-06-11 23:01:19,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:19,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 592 transitions. [2021-06-11 23:01:19,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.157894736842106) internal successors, (592), 19 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) [2021-06-11 23:01:19,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:19,116 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:19,116 INFO L185 Difference]: Start difference. First operand has 382 places, 871 transitions, 11404 flow. Second operand 19 states and 592 transitions. [2021-06-11 23:01:19,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 884 transitions, 13453 flow [2021-06-11 23:01:19,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 884 transitions, 12892 flow, removed 8 selfloop flow, removed 16 redundant places. [2021-06-11 23:01:19,344 INFO L241 Difference]: Finished difference. Result has 385 places, 868 transitions, 11220 flow [2021-06-11 23:01:19,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10843, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=871, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=11220, PETRI_PLACES=385, PETRI_TRANSITIONS=868} [2021-06-11 23:01:19,345 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 346 predicate places. [2021-06-11 23:01:19,345 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:19,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 868 transitions, 11220 flow [2021-06-11 23:01:19,345 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 868 transitions, 11220 flow [2021-06-11 23:01:19,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 868 transitions, 11220 flow [2021-06-11 23:01:19,593 INFO L129 PetriNetUnfolder]: 1173/2223 cut-off events. [2021-06-11 23:01:19,593 INFO L130 PetriNetUnfolder]: For 47463/47650 co-relation queries the response was YES. [2021-06-11 23:01:19,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16732 conditions, 2223 events. 1173/2223 cut-off events. For 47463/47650 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 14641 event pairs, 156 based on Foata normal form. 2/2145 useless extension candidates. Maximal degree in co-relation 16605. Up to 878 conditions per place. [2021-06-11 23:01:19,627 INFO L151 LiptonReduction]: Number of co-enabled transitions 768 [2021-06-11 23:01:19,712 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:19,713 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:19,713 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 368 [2021-06-11 23:01:19,713 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 868 transitions, 11220 flow [2021-06-11 23:01:19,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:19,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:19,713 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] [2021-06-11 23:01:19,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 23:01:19,713 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:19,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:19,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1343153211, now seen corresponding path program 7 times [2021-06-11 23:01:19,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:19,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121541762] [2021-06-11 23:01:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:19,724 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:19,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:19,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:19,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:19,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:19,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:19,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:19,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:19,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:19,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:19,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:19,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:19,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:19,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:19,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121541762] [2021-06-11 23:01:19,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:19,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:19,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694650385] [2021-06-11 23:01:19,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:19,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:19,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:19,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:19,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:19,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 868 transitions, 11220 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:19,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:19,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:19,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:20,964 INFO L129 PetriNetUnfolder]: 1445/2628 cut-off events. [2021-06-11 23:01:20,964 INFO L130 PetriNetUnfolder]: For 69550/69557 co-relation queries the response was YES. [2021-06-11 23:01:20,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22343 conditions, 2628 events. 1445/2628 cut-off events. For 69550/69557 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 16374 event pairs, 240 based on Foata normal form. 6/2630 useless extension candidates. Maximal degree in co-relation 22213. Up to 2066 conditions per place. [2021-06-11 23:01:20,996 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 668 selfloop transitions, 358 changer transitions 2/1036 dead transitions. [2021-06-11 23:01:20,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 1036 transitions, 15303 flow [2021-06-11 23:01:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 23:01:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 23:01:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 676 transitions. [2021-06-11 23:01:20,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4665286404416839 [2021-06-11 23:01:20,997 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 676 transitions. [2021-06-11 23:01:20,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 676 transitions. [2021-06-11 23:01:20,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:20,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 676 transitions. [2021-06-11 23:01:20,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.19047619047619) internal successors, (676), 21 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:20,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:20,999 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:20,999 INFO L185 Difference]: Start difference. First operand has 379 places, 868 transitions, 11220 flow. Second operand 21 states and 676 transitions. [2021-06-11 23:01:20,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 1036 transitions, 15303 flow [2021-06-11 23:01:21,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 1036 transitions, 14834 flow, removed 13 selfloop flow, removed 17 redundant places. [2021-06-11 23:01:21,287 INFO L241 Difference]: Finished difference. Result has 388 places, 984 transitions, 13345 flow [2021-06-11 23:01:21,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10805, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=868, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=13345, PETRI_PLACES=388, PETRI_TRANSITIONS=984} [2021-06-11 23:01:21,288 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 349 predicate places. [2021-06-11 23:01:21,288 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:21,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 984 transitions, 13345 flow [2021-06-11 23:01:21,288 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 984 transitions, 13345 flow [2021-06-11 23:01:21,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 984 transitions, 13345 flow [2021-06-11 23:01:21,572 INFO L129 PetriNetUnfolder]: 1279/2412 cut-off events. [2021-06-11 23:01:21,572 INFO L130 PetriNetUnfolder]: For 55077/55344 co-relation queries the response was YES. [2021-06-11 23:01:21,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18694 conditions, 2412 events. 1279/2412 cut-off events. For 55077/55344 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 16057 event pairs, 173 based on Foata normal form. 16/2346 useless extension candidates. Maximal degree in co-relation 18505. Up to 933 conditions per place. [2021-06-11 23:01:21,609 INFO L151 LiptonReduction]: Number of co-enabled transitions 852 [2021-06-11 23:01:21,716 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:21,716 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:21,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 428 [2021-06-11 23:01:21,716 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 984 transitions, 13345 flow [2021-06-11 23:01:21,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:21,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:21,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:21,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 23:01:21,717 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:21,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:21,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1293311435, now seen corresponding path program 8 times [2021-06-11 23:01:21,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:21,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965034931] [2021-06-11 23:01:21,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:21,729 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:21,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:21,733 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:21,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:21,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:21,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:21,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:21,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:21,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:21,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:21,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:21,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:21,835 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:21,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965034931] [2021-06-11 23:01:21,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:21,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:21,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117939726] [2021-06-11 23:01:21,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:21,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:21,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:21,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:21,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:21,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 984 transitions, 13345 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:21,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:21,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:21,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:23,035 INFO L129 PetriNetUnfolder]: 1445/2613 cut-off events. [2021-06-11 23:01:23,036 INFO L130 PetriNetUnfolder]: For 74402/74416 co-relation queries the response was YES. [2021-06-11 23:01:23,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23209 conditions, 2613 events. 1445/2613 cut-off events. For 74402/74416 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 16112 event pairs, 237 based on Foata normal form. 11/2622 useless extension candidates. Maximal degree in co-relation 23004. Up to 2066 conditions per place. [2021-06-11 23:01:23,073 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 664 selfloop transitions, 355 changer transitions 3/1030 dead transitions. [2021-06-11 23:01:23,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 1030 transitions, 15889 flow [2021-06-11 23:01:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 23:01:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 23:01:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 614 transitions. [2021-06-11 23:01:23,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4683447749809306 [2021-06-11 23:01:23,075 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 614 transitions. [2021-06-11 23:01:23,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 614 transitions. [2021-06-11 23:01:23,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:23,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 614 transitions. [2021-06-11 23:01:23,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.31578947368421) internal successors, (614), 19 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:23,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:23,076 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 69.0) internal successors, (1380), 20 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:23,076 INFO L185 Difference]: Start difference. First operand has 388 places, 984 transitions, 13345 flow. Second operand 19 states and 614 transitions. [2021-06-11 23:01:23,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 1030 transitions, 15889 flow [2021-06-11 23:01:23,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 1030 transitions, 15210 flow, removed 219 selfloop flow, removed 10 redundant places. [2021-06-11 23:01:23,400 INFO L241 Difference]: Finished difference. Result has 397 places, 981 transitions, 13357 flow [2021-06-11 23:01:23,401 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12668, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=984, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=355, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=13357, PETRI_PLACES=397, PETRI_TRANSITIONS=981} [2021-06-11 23:01:23,401 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-06-11 23:01:23,401 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:23,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 981 transitions, 13357 flow [2021-06-11 23:01:23,401 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 981 transitions, 13357 flow [2021-06-11 23:01:23,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 981 transitions, 13357 flow [2021-06-11 23:01:23,695 INFO L129 PetriNetUnfolder]: 1266/2386 cut-off events. [2021-06-11 23:01:23,695 INFO L130 PetriNetUnfolder]: For 51551/51708 co-relation queries the response was YES. [2021-06-11 23:01:23,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18648 conditions, 2386 events. 1266/2386 cut-off events. For 51551/51708 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 15950 event pairs, 170 based on Foata normal form. 21/2343 useless extension candidates. Maximal degree in co-relation 18457. Up to 919 conditions per place. [2021-06-11 23:01:23,736 INFO L151 LiptonReduction]: Number of co-enabled transitions 848 [2021-06-11 23:01:23,838 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:23,838 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:23,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-06-11 23:01:23,838 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 981 transitions, 13357 flow [2021-06-11 23:01:23,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:23,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:23,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:23,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-11 23:01:23,839 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:23,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:23,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1535281043, now seen corresponding path program 9 times [2021-06-11 23:01:23,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:23,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705700547] [2021-06-11 23:01:23,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:23,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:23,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:23,855 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:23,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:23,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:23,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:23,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:23,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:23,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:23,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:23,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:01:23,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:23,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:23,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:23,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:23,961 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:23,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:23,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705700547] [2021-06-11 23:01:23,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:23,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:23,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603079143] [2021-06-11 23:01:23,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:23,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:23,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:23,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:23,964 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:23,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 981 transitions, 13357 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:23,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:23,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:23,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:25,136 INFO L129 PetriNetUnfolder]: 1445/2596 cut-off events. [2021-06-11 23:01:25,136 INFO L130 PetriNetUnfolder]: For 70529/70538 co-relation queries the response was YES. [2021-06-11 23:01:25,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23230 conditions, 2596 events. 1445/2596 cut-off events. For 70529/70538 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 15925 event pairs, 146 based on Foata normal form. 8/2602 useless extension candidates. Maximal degree in co-relation 23023. Up to 2127 conditions per place. [2021-06-11 23:01:25,173 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 691 selfloop transitions, 312 changer transitions 4/1015 dead transitions. [2021-06-11 23:01:25,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 1015 transitions, 15827 flow [2021-06-11 23:01:25,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 23:01:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 23:01:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 550 transitions. [2021-06-11 23:01:25,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46888320545609546 [2021-06-11 23:01:25,174 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 550 transitions. [2021-06-11 23:01:25,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 550 transitions. [2021-06-11 23:01:25,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:25,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 550 transitions. [2021-06-11 23:01:25,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.35294117647059) internal successors, (550), 17 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:25,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:25,176 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 69.0) internal successors, (1242), 18 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:25,176 INFO L185 Difference]: Start difference. First operand has 397 places, 981 transitions, 13357 flow. Second operand 17 states and 550 transitions. [2021-06-11 23:01:25,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 1015 transitions, 15827 flow [2021-06-11 23:01:25,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 1015 transitions, 15072 flow, removed 10 selfloop flow, removed 19 redundant places. [2021-06-11 23:01:25,472 INFO L241 Difference]: Finished difference. Result has 395 places, 981 transitions, 13268 flow [2021-06-11 23:01:25,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12618, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13268, PETRI_PLACES=395, PETRI_TRANSITIONS=981} [2021-06-11 23:01:25,472 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 356 predicate places. [2021-06-11 23:01:25,473 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:25,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 981 transitions, 13268 flow [2021-06-11 23:01:25,473 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 981 transitions, 13268 flow [2021-06-11 23:01:25,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 981 transitions, 13268 flow [2021-06-11 23:01:25,808 INFO L129 PetriNetUnfolder]: 1270/2407 cut-off events. [2021-06-11 23:01:25,808 INFO L130 PetriNetUnfolder]: For 49036/49163 co-relation queries the response was YES. [2021-06-11 23:01:25,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18508 conditions, 2407 events. 1270/2407 cut-off events. For 49036/49163 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 16155 event pairs, 112 based on Foata normal form. 6/2366 useless extension candidates. Maximal degree in co-relation 18355. Up to 923 conditions per place. [2021-06-11 23:01:25,842 INFO L151 LiptonReduction]: Number of co-enabled transitions 856 [2021-06-11 23:01:25,943 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:25,944 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:25,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-06-11 23:01:25,944 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 981 transitions, 13268 flow [2021-06-11 23:01:25,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:25,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:25,944 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] [2021-06-11 23:01:25,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-11 23:01:25,944 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:25,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:25,945 INFO L82 PathProgramCache]: Analyzing trace with hash -258862635, now seen corresponding path program 3 times [2021-06-11 23:01:25,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:25,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684057416] [2021-06-11 23:01:25,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:25,955 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:25,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:25,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:25,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:25,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:25,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:25,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:25,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:25,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:25,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:25,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:26,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:26,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:26,013 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:01:26,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:01:26,035 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:01:26,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:01:26,062 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:01:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:01:26,087 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:01:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:01:26,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:26,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:26,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:26,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:26,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:26,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684057416] [2021-06-11 23:01:26,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:26,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:01:26,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483089065] [2021-06-11 23:01:26,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:01:26,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:26,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:01:26,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:01:26,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:26,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 981 transitions, 13268 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:26,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:26,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:26,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:27,614 INFO L129 PetriNetUnfolder]: 1484/2678 cut-off events. [2021-06-11 23:01:27,614 INFO L130 PetriNetUnfolder]: For 70836/70843 co-relation queries the response was YES. [2021-06-11 23:01:27,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23702 conditions, 2678 events. 1484/2678 cut-off events. For 70836/70843 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 16591 event pairs, 222 based on Foata normal form. 6/2682 useless extension candidates. Maximal degree in co-relation 23504. Up to 2128 conditions per place. [2021-06-11 23:01:27,651 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 708 selfloop transitions, 340 changer transitions 2/1058 dead transitions. [2021-06-11 23:01:27,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 1058 transitions, 16886 flow [2021-06-11 23:01:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 23:01:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 23:01:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 920 transitions. [2021-06-11 23:01:27,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 23:01:27,653 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 920 transitions. [2021-06-11 23:01:27,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 920 transitions. [2021-06-11 23:01:27,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:27,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 920 transitions. [2021-06-11 23:01:27,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 30.666666666666668) internal successors, (920), 30 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:27,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 69.0) internal successors, (2139), 31 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:27,655 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 69.0) internal successors, (2139), 31 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:27,655 INFO L185 Difference]: Start difference. First operand has 395 places, 981 transitions, 13268 flow. Second operand 30 states and 920 transitions. [2021-06-11 23:01:27,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 1058 transitions, 16886 flow [2021-06-11 23:01:27,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 1058 transitions, 16301 flow, removed 11 selfloop flow, removed 14 redundant places. [2021-06-11 23:01:27,965 INFO L241 Difference]: Finished difference. Result has 424 places, 1023 transitions, 14309 flow [2021-06-11 23:01:27,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12686, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=14309, PETRI_PLACES=424, PETRI_TRANSITIONS=1023} [2021-06-11 23:01:27,966 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 385 predicate places. [2021-06-11 23:01:27,966 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:27,966 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1023 transitions, 14309 flow [2021-06-11 23:01:27,966 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1023 transitions, 14309 flow [2021-06-11 23:01:27,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 1023 transitions, 14309 flow [2021-06-11 23:01:28,314 INFO L129 PetriNetUnfolder]: 1313/2479 cut-off events. [2021-06-11 23:01:28,314 INFO L130 PetriNetUnfolder]: For 63637/63809 co-relation queries the response was YES. [2021-06-11 23:01:28,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20255 conditions, 2479 events. 1313/2479 cut-off events. For 63637/63809 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 16492 event pairs, 148 based on Foata normal form. 9/2437 useless extension candidates. Maximal degree in co-relation 20091. Up to 946 conditions per place. [2021-06-11 23:01:28,356 INFO L151 LiptonReduction]: Number of co-enabled transitions 882 [2021-06-11 23:01:28,472 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:28,472 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:28,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 506 [2021-06-11 23:01:28,473 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 1023 transitions, 14309 flow [2021-06-11 23:01:28,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:28,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:28,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:28,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-11 23:01:28,481 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:28,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:28,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1868381124, now seen corresponding path program 1 times [2021-06-11 23:01:28,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:28,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793332768] [2021-06-11 23:01:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:28,499 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:28,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:28,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:28,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:28,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:28,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:28,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:28,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:28,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:28,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:28,595 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:28,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:28,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793332768] [2021-06-11 23:01:28,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:28,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:28,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197607172] [2021-06-11 23:01:28,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:28,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:28,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:28,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:28,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 69 [2021-06-11 23:01:28,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 1023 transitions, 14309 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:28,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:28,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 69 [2021-06-11 23:01:28,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:29,818 INFO L129 PetriNetUnfolder]: 1487/2700 cut-off events. [2021-06-11 23:01:29,818 INFO L130 PetriNetUnfolder]: For 85999/86013 co-relation queries the response was YES. [2021-06-11 23:01:29,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25065 conditions, 2700 events. 1487/2700 cut-off events. For 85999/86013 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 16883 event pairs, 249 based on Foata normal form. 11/2709 useless extension candidates. Maximal degree in co-relation 24884. Up to 2193 conditions per place. [2021-06-11 23:01:29,859 INFO L132 encePairwiseOnDemand]: 49/69 looper letters, 737 selfloop transitions, 320 changer transitions 3/1068 dead transitions. [2021-06-11 23:01:29,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1068 transitions, 17116 flow [2021-06-11 23:01:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 23:01:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 23:01:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 578 transitions. [2021-06-11 23:01:29,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46537842190016104 [2021-06-11 23:01:29,860 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 578 transitions. [2021-06-11 23:01:29,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 578 transitions. [2021-06-11 23:01:29,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:29,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 578 transitions. [2021-06-11 23:01:29,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.111111111111114) internal successors, (578), 18 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) [2021-06-11 23:01:29,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:29,862 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 69.0) internal successors, (1311), 19 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:29,862 INFO L185 Difference]: Start difference. First operand has 423 places, 1023 transitions, 14309 flow. Second operand 18 states and 578 transitions. [2021-06-11 23:01:29,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1068 transitions, 17116 flow [2021-06-11 23:01:30,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1068 transitions, 16579 flow, removed 190 selfloop flow, removed 13 redundant places. [2021-06-11 23:01:30,230 INFO L241 Difference]: Finished difference. Result has 431 places, 1030 transitions, 14706 flow [2021-06-11 23:01:30,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13779, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=14706, PETRI_PLACES=431, PETRI_TRANSITIONS=1030} [2021-06-11 23:01:30,230 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 392 predicate places. [2021-06-11 23:01:30,230 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:30,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 1030 transitions, 14706 flow [2021-06-11 23:01:30,231 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 1030 transitions, 14706 flow [2021-06-11 23:01:30,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 1030 transitions, 14706 flow [2021-06-11 23:01:30,617 INFO L129 PetriNetUnfolder]: 1315/2473 cut-off events. [2021-06-11 23:01:30,617 INFO L130 PetriNetUnfolder]: For 65894/66085 co-relation queries the response was YES. [2021-06-11 23:01:30,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20735 conditions, 2473 events. 1315/2473 cut-off events. For 65894/66085 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 16503 event pairs, 150 based on Foata normal form. 7/2415 useless extension candidates. Maximal degree in co-relation 20564. Up to 955 conditions per place. [2021-06-11 23:01:30,658 INFO L151 LiptonReduction]: Number of co-enabled transitions 882 [2021-06-11 23:01:30,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:30,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 23:01:30,947 INFO L163 LiptonReduction]: Checked pairs total: 1 [2021-06-11 23:01:30,947 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 23:01:30,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 717 [2021-06-11 23:01:30,948 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 1030 transitions, 14716 flow [2021-06-11 23:01:30,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:30,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:30,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:30,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-11 23:01:30,948 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:30,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:30,948 INFO L82 PathProgramCache]: Analyzing trace with hash -507641959, now seen corresponding path program 4 times [2021-06-11 23:01:30,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:30,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506176821] [2021-06-11 23:01:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:30,964 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:30,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:30,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:30,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:30,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:30,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:30,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:30,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:31,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:31,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:31,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:31,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:31,034 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:01:31,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:01:31,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:31,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:31,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:31,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:31,098 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:31,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:31,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506176821] [2021-06-11 23:01:31,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:31,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:01:31,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583966441] [2021-06-11 23:01:31,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:01:31,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:31,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:01:31,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:01:31,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:31,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1030 transitions, 14716 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:31,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:31,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:31,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:32,788 INFO L129 PetriNetUnfolder]: 1531/2798 cut-off events. [2021-06-11 23:01:32,788 INFO L130 PetriNetUnfolder]: For 94178/94185 co-relation queries the response was YES. [2021-06-11 23:01:32,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26533 conditions, 2798 events. 1531/2798 cut-off events. For 94178/94185 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 17791 event pairs, 236 based on Foata normal form. 6/2802 useless extension candidates. Maximal degree in co-relation 26355. Up to 2041 conditions per place. [2021-06-11 23:01:32,830 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 671 selfloop transitions, 538 changer transitions 2/1219 dead transitions. [2021-06-11 23:01:32,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 1219 transitions, 19851 flow [2021-06-11 23:01:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-11 23:01:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-06-11 23:01:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 976 transitions. [2021-06-11 23:01:32,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4497695852534562 [2021-06-11 23:01:32,832 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 976 transitions. [2021-06-11 23:01:32,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 976 transitions. [2021-06-11 23:01:32,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:32,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 976 transitions. [2021-06-11 23:01:32,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 31.483870967741936) internal successors, (976), 31 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:32,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 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) [2021-06-11 23:01:32,835 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 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) [2021-06-11 23:01:32,835 INFO L185 Difference]: Start difference. First operand has 431 places, 1030 transitions, 14716 flow. Second operand 31 states and 976 transitions. [2021-06-11 23:01:32,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 1219 transitions, 19851 flow [2021-06-11 23:01:33,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1219 transitions, 19154 flow, removed 41 selfloop flow, removed 16 redundant places. [2021-06-11 23:01:33,303 INFO L241 Difference]: Finished difference. Result has 456 places, 1158 transitions, 17353 flow [2021-06-11 23:01:33,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=14066, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=418, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=17353, PETRI_PLACES=456, PETRI_TRANSITIONS=1158} [2021-06-11 23:01:33,304 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 417 predicate places. [2021-06-11 23:01:33,304 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:33,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 1158 transitions, 17353 flow [2021-06-11 23:01:33,305 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 1158 transitions, 17353 flow [2021-06-11 23:01:33,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 1158 transitions, 17353 flow [2021-06-11 23:01:33,760 INFO L129 PetriNetUnfolder]: 1343/2575 cut-off events. [2021-06-11 23:01:33,761 INFO L130 PetriNetUnfolder]: For 77390/77625 co-relation queries the response was YES. [2021-06-11 23:01:33,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22477 conditions, 2575 events. 1343/2575 cut-off events. For 77390/77625 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 17695 event pairs, 151 based on Foata normal form. 6/2516 useless extension candidates. Maximal degree in co-relation 22263. Up to 1005 conditions per place. [2021-06-11 23:01:33,823 INFO L151 LiptonReduction]: Number of co-enabled transitions 904 [2021-06-11 23:01:33,977 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:33,977 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:33,978 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 674 [2021-06-11 23:01:33,978 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 1158 transitions, 17353 flow [2021-06-11 23:01:33,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:33,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:33,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:33,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-11 23:01:33,978 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:33,978 INFO L82 PathProgramCache]: Analyzing trace with hash -859845520, now seen corresponding path program 2 times [2021-06-11 23:01:33,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:33,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527798166] [2021-06-11 23:01:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:33,988 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:33,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:33,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:33,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:33,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:33,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:34,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:34,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:34,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:34,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:34,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:34,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:34,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:34,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:34,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:34,105 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:34,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:34,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527798166] [2021-06-11 23:01:34,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:34,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:01:34,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993303801] [2021-06-11 23:01:34,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:01:34,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:34,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:01:34,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:01:34,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:34,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 1158 transitions, 17353 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:34,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:34,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:34,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:35,671 INFO L129 PetriNetUnfolder]: 1530/2790 cut-off events. [2021-06-11 23:01:35,671 INFO L130 PetriNetUnfolder]: For 105101/105110 co-relation queries the response was YES. [2021-06-11 23:01:35,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27627 conditions, 2790 events. 1530/2790 cut-off events. For 105101/105110 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 17676 event pairs, 139 based on Foata normal form. 8/2796 useless extension candidates. Maximal degree in co-relation 27384. Up to 2285 conditions per place. [2021-06-11 23:01:35,716 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 834 selfloop transitions, 345 changer transitions 3/1190 dead transitions. [2021-06-11 23:01:35,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1190 transitions, 20312 flow [2021-06-11 23:01:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 23:01:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 23:01:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 688 transitions. [2021-06-11 23:01:35,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44675324675324674 [2021-06-11 23:01:35,717 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 688 transitions. [2021-06-11 23:01:35,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 688 transitions. [2021-06-11 23:01:35,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:35,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 688 transitions. [2021-06-11 23:01:35,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.272727272727273) internal successors, (688), 22 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:35,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:35,719 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 70.0) internal successors, (1610), 23 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:35,719 INFO L185 Difference]: Start difference. First operand has 456 places, 1158 transitions, 17353 flow. Second operand 22 states and 688 transitions. [2021-06-11 23:01:35,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1190 transitions, 20312 flow [2021-06-11 23:01:36,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 1190 transitions, 19598 flow, removed 256 selfloop flow, removed 11 redundant places. [2021-06-11 23:01:36,286 INFO L241 Difference]: Finished difference. Result has 470 places, 1164 transitions, 17481 flow [2021-06-11 23:01:36,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=16647, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=338, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=815, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=17481, PETRI_PLACES=470, PETRI_TRANSITIONS=1164} [2021-06-11 23:01:36,287 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 431 predicate places. [2021-06-11 23:01:36,287 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:36,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 1164 transitions, 17481 flow [2021-06-11 23:01:36,287 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 1164 transitions, 17481 flow [2021-06-11 23:01:36,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1164 transitions, 17481 flow [2021-06-11 23:01:36,706 INFO L129 PetriNetUnfolder]: 1364/2593 cut-off events. [2021-06-11 23:01:36,706 INFO L130 PetriNetUnfolder]: For 79457/79647 co-relation queries the response was YES. [2021-06-11 23:01:36,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22854 conditions, 2593 events. 1364/2593 cut-off events. For 79457/79647 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 17636 event pairs, 140 based on Foata normal form. 4/2530 useless extension candidates. Maximal degree in co-relation 22669. Up to 1019 conditions per place. [2021-06-11 23:01:36,759 INFO L151 LiptonReduction]: Number of co-enabled transitions 904 [2021-06-11 23:01:36,911 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:36,912 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:36,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 625 [2021-06-11 23:01:36,912 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1164 transitions, 17481 flow [2021-06-11 23:01:36,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:36,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:36,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:36,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-11 23:01:36,912 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:36,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:36,913 INFO L82 PathProgramCache]: Analyzing trace with hash 591031785, now seen corresponding path program 5 times [2021-06-11 23:01:36,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:36,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845451013] [2021-06-11 23:01:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:36,923 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:36,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:36,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:36,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:36,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:36,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:36,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:36,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:36,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:36,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:36,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:37,008 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:01:37,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:01:37,033 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:01:37,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:01:37,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:37,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:37,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:37,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:37,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:37,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:37,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845451013] [2021-06-11 23:01:37,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:37,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:01:37,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131169614] [2021-06-11 23:01:37,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:01:37,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:37,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:01:37,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:01:37,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:37,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1164 transitions, 17481 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:37,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:37,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:37,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:39,326 INFO L129 PetriNetUnfolder]: 1620/2974 cut-off events. [2021-06-11 23:01:39,326 INFO L130 PetriNetUnfolder]: For 118308/118322 co-relation queries the response was YES. [2021-06-11 23:01:39,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29859 conditions, 2974 events. 1620/2974 cut-off events. For 118308/118322 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 19262 event pairs, 211 based on Foata normal form. 11/2983 useless extension candidates. Maximal degree in co-relation 29652. Up to 2209 conditions per place. [2021-06-11 23:01:39,365 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 841 selfloop transitions, 494 changer transitions 4/1347 dead transitions. [2021-06-11 23:01:39,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1347 transitions, 23962 flow [2021-06-11 23:01:39,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-11 23:01:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-06-11 23:01:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 1320 transitions. [2021-06-11 23:01:39,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43853820598006643 [2021-06-11 23:01:39,367 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 1320 transitions. [2021-06-11 23:01:39,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 1320 transitions. [2021-06-11 23:01:39,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:39,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 1320 transitions. [2021-06-11 23:01:39,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 30.697674418604652) internal successors, (1320), 43 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:39,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 70.0) internal successors, (3080), 44 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:39,370 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 70.0) internal successors, (3080), 44 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:39,370 INFO L185 Difference]: Start difference. First operand has 468 places, 1164 transitions, 17481 flow. Second operand 43 states and 1320 transitions. [2021-06-11 23:01:39,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 1347 transitions, 23962 flow [2021-06-11 23:01:39,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 1347 transitions, 23175 flow, removed 76 selfloop flow, removed 16 redundant places. [2021-06-11 23:01:39,867 INFO L241 Difference]: Finished difference. Result has 515 places, 1299 transitions, 20607 flow [2021-06-11 23:01:39,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=16792, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=376, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=745, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=20607, PETRI_PLACES=515, PETRI_TRANSITIONS=1299} [2021-06-11 23:01:39,868 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 476 predicate places. [2021-06-11 23:01:39,868 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:39,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1299 transitions, 20607 flow [2021-06-11 23:01:39,868 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1299 transitions, 20607 flow [2021-06-11 23:01:39,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 1299 transitions, 20607 flow [2021-06-11 23:01:40,337 INFO L129 PetriNetUnfolder]: 1422/2736 cut-off events. [2021-06-11 23:01:40,338 INFO L130 PetriNetUnfolder]: For 104446/104694 co-relation queries the response was YES. [2021-06-11 23:01:40,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25845 conditions, 2736 events. 1422/2736 cut-off events. For 104446/104694 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 19097 event pairs, 111 based on Foata normal form. 34/2721 useless extension candidates. Maximal degree in co-relation 25620. Up to 1105 conditions per place. [2021-06-11 23:01:40,399 INFO L151 LiptonReduction]: Number of co-enabled transitions 988 [2021-06-11 23:01:40,592 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:40,592 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:40,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 724 [2021-06-11 23:01:40,592 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 1299 transitions, 20607 flow [2021-06-11 23:01:40,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:40,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:40,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:01:40,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-11 23:01:40,593 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:40,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:40,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1409662552, now seen corresponding path program 1 times [2021-06-11 23:01:40,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:40,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572224767] [2021-06-11 23:01:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:40,603 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:40,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:40,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:40,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:40,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:40,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:40,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:40,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:40,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:40,656 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 23:01:40,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 23:01:40,660 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-11 23:01:40,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 23:01:40,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:40,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:40,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:40,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:40,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:40,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:40,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572224767] [2021-06-11 23:01:40,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:40,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:01:40,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100589398] [2021-06-11 23:01:40,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:01:40,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:40,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:01:40,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:01:40,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:40,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 1299 transitions, 20607 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:40,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:40,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:40,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:42,772 INFO L129 PetriNetUnfolder]: 1660/3088 cut-off events. [2021-06-11 23:01:42,772 INFO L130 PetriNetUnfolder]: For 139077/139084 co-relation queries the response was YES. [2021-06-11 23:01:42,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32284 conditions, 3088 events. 1660/3088 cut-off events. For 139077/139084 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 20414 event pairs, 236 based on Foata normal form. 7/3093 useless extension candidates. Maximal degree in co-relation 32048. Up to 2465 conditions per place. [2021-06-11 23:01:42,827 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1093 selfloop transitions, 399 changer transitions 4/1504 dead transitions. [2021-06-11 23:01:42,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 1504 transitions, 27943 flow [2021-06-11 23:01:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 23:01:42,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 23:01:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 950 transitions. [2021-06-11 23:01:42,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-06-11 23:01:42,829 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 950 transitions. [2021-06-11 23:01:42,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 950 transitions. [2021-06-11 23:01:42,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:42,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 950 transitions. [2021-06-11 23:01:42,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 31.666666666666668) internal successors, (950), 30 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:42,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:42,831 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:42,831 INFO L185 Difference]: Start difference. First operand has 515 places, 1299 transitions, 20607 flow. Second operand 30 states and 950 transitions. [2021-06-11 23:01:42,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 1504 transitions, 27943 flow [2021-06-11 23:01:43,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1504 transitions, 26714 flow, removed 514 selfloop flow, removed 11 redundant places. [2021-06-11 23:01:43,627 INFO L241 Difference]: Finished difference. Result has 545 places, 1446 transitions, 24152 flow [2021-06-11 23:01:43,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=19427, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=24152, PETRI_PLACES=545, PETRI_TRANSITIONS=1446} [2021-06-11 23:01:43,628 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 506 predicate places. [2021-06-11 23:01:43,628 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:43,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 1446 transitions, 24152 flow [2021-06-11 23:01:43,628 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 1446 transitions, 24152 flow [2021-06-11 23:01:43,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 1446 transitions, 24152 flow [2021-06-11 23:01:44,133 INFO L129 PetriNetUnfolder]: 1462/2846 cut-off events. [2021-06-11 23:01:44,133 INFO L130 PetriNetUnfolder]: For 121780/121929 co-relation queries the response was YES. [2021-06-11 23:01:44,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27359 conditions, 2846 events. 1462/2846 cut-off events. For 121780/121929 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 20360 event pairs, 117 based on Foata normal form. 14/2832 useless extension candidates. Maximal degree in co-relation 27137. Up to 1080 conditions per place. [2021-06-11 23:01:44,193 INFO L151 LiptonReduction]: Number of co-enabled transitions 1088 [2021-06-11 23:01:44,428 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:44,428 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:44,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 800 [2021-06-11 23:01:44,429 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 1446 transitions, 24152 flow [2021-06-11 23:01:44,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:44,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:44,429 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] [2021-06-11 23:01:44,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-11 23:01:44,429 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:44,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:44,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1721053553, now seen corresponding path program 6 times [2021-06-11 23:01:44,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:44,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640061110] [2021-06-11 23:01:44,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:44,443 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:44,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:44,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:44,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:44,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:44,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:44,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:44,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:44,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:44,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:44,497 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:01:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:01:44,517 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:01:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:01:44,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:44,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:44,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:44,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:44,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:44,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640061110] [2021-06-11 23:01:44,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:44,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:01:44,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423425459] [2021-06-11 23:01:44,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:01:44,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:44,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:01:44,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:01:44,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:44,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 1446 transitions, 24152 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:44,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:44,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:44,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:46,431 INFO L129 PetriNetUnfolder]: 1680/3151 cut-off events. [2021-06-11 23:01:46,431 INFO L130 PetriNetUnfolder]: For 156837/156851 co-relation queries the response was YES. [2021-06-11 23:01:46,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33594 conditions, 3151 events. 1680/3151 cut-off events. For 156837/156851 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 21128 event pairs, 243 based on Foata normal form. 11/3160 useless extension candidates. Maximal degree in co-relation 33381. Up to 2328 conditions per place. [2021-06-11 23:01:46,487 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 878 selfloop transitions, 664 changer transitions 2/1552 dead transitions. [2021-06-11 23:01:46,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 1552 transitions, 29039 flow [2021-06-11 23:01:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 23:01:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 23:01:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 830 transitions. [2021-06-11 23:01:46,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45604395604395603 [2021-06-11 23:01:46,489 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 830 transitions. [2021-06-11 23:01:46,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 830 transitions. [2021-06-11 23:01:46,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:46,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 830 transitions. [2021-06-11 23:01:46,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 31.923076923076923) internal successors, (830), 26 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:46,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 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) [2021-06-11 23:01:46,490 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 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) [2021-06-11 23:01:46,490 INFO L185 Difference]: Start difference. First operand has 545 places, 1446 transitions, 24152 flow. Second operand 26 states and 830 transitions. [2021-06-11 23:01:46,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 1552 transitions, 29039 flow [2021-06-11 23:01:47,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 1552 transitions, 27915 flow, removed 522 selfloop flow, removed 12 redundant places. [2021-06-11 23:01:47,208 INFO L241 Difference]: Finished difference. Result has 566 places, 1491 transitions, 25783 flow [2021-06-11 23:01:47,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=23218, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=620, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=25783, PETRI_PLACES=566, PETRI_TRANSITIONS=1491} [2021-06-11 23:01:47,209 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 527 predicate places. [2021-06-11 23:01:47,209 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:47,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 1491 transitions, 25783 flow [2021-06-11 23:01:47,209 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 1491 transitions, 25783 flow [2021-06-11 23:01:47,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 1491 transitions, 25783 flow [2021-06-11 23:01:47,723 INFO L129 PetriNetUnfolder]: 1487/2927 cut-off events. [2021-06-11 23:01:47,724 INFO L130 PetriNetUnfolder]: For 119648/119801 co-relation queries the response was YES. [2021-06-11 23:01:47,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28159 conditions, 2927 events. 1487/2927 cut-off events. For 119648/119801 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 21147 event pairs, 112 based on Foata normal form. 11/2905 useless extension candidates. Maximal degree in co-relation 27919. Up to 1063 conditions per place. [2021-06-11 23:01:47,850 INFO L151 LiptonReduction]: Number of co-enabled transitions 1114 [2021-06-11 23:01:48,097 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:48,097 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:48,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 888 [2021-06-11 23:01:48,097 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 1491 transitions, 25783 flow [2021-06-11 23:01:48,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:48,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:48,097 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] [2021-06-11 23:01:48,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-11 23:01:48,097 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:48,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:48,098 INFO L82 PathProgramCache]: Analyzing trace with hash -605552543, now seen corresponding path program 7 times [2021-06-11 23:01:48,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:48,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084839641] [2021-06-11 23:01:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:48,115 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:48,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:48,119 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:48,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:48,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:48,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:48,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:48,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:48,206 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:01:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:01:48,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:48,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:48,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:48,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:48,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:48,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084839641] [2021-06-11 23:01:48,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:48,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:01:48,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890207321] [2021-06-11 23:01:48,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:01:48,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:48,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:01:48,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:01:48,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:48,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1491 transitions, 25783 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:01:48,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:48,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:48,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:50,993 INFO L129 PetriNetUnfolder]: 2097/3842 cut-off events. [2021-06-11 23:01:50,993 INFO L130 PetriNetUnfolder]: For 164995/165004 co-relation queries the response was YES. [2021-06-11 23:01:51,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42279 conditions, 3842 events. 2097/3842 cut-off events. For 164995/165004 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 26392 event pairs, 195 based on Foata normal form. 8/3848 useless extension candidates. Maximal degree in co-relation 42058. Up to 2799 conditions per place. [2021-06-11 23:01:51,063 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1221 selfloop transitions, 856 changer transitions 5/2090 dead transitions. [2021-06-11 23:01:51,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 2090 transitions, 42852 flow [2021-06-11 23:01:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 23:01:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 23:01:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1163 transitions. [2021-06-11 23:01:51,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44903474903474905 [2021-06-11 23:01:51,065 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1163 transitions. [2021-06-11 23:01:51,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1163 transitions. [2021-06-11 23:01:51,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:51,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1163 transitions. [2021-06-11 23:01:51,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 31.43243243243243) internal successors, (1163), 37 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:51,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:51,068 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:51,068 INFO L185 Difference]: Start difference. First operand has 566 places, 1491 transitions, 25783 flow. Second operand 37 states and 1163 transitions. [2021-06-11 23:01:51,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 2090 transitions, 42852 flow [2021-06-11 23:01:51,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 2090 transitions, 41907 flow, removed 107 selfloop flow, removed 16 redundant places. [2021-06-11 23:01:51,992 INFO L241 Difference]: Finished difference. Result has 605 places, 1969 transitions, 38688 flow [2021-06-11 23:01:51,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=25057, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=938, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=38688, PETRI_PLACES=605, PETRI_TRANSITIONS=1969} [2021-06-11 23:01:51,993 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 566 predicate places. [2021-06-11 23:01:51,993 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:51,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 605 places, 1969 transitions, 38688 flow [2021-06-11 23:01:51,993 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 605 places, 1969 transitions, 38688 flow [2021-06-11 23:01:52,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 605 places, 1969 transitions, 38688 flow [2021-06-11 23:01:52,855 INFO L129 PetriNetUnfolder]: 1913/3603 cut-off events. [2021-06-11 23:01:52,856 INFO L130 PetriNetUnfolder]: For 144065/144188 co-relation queries the response was YES. [2021-06-11 23:01:52,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38379 conditions, 3603 events. 1913/3603 cut-off events. For 144065/144188 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 26305 event pairs, 63 based on Foata normal form. 13/3586 useless extension candidates. Maximal degree in co-relation 38130. Up to 1443 conditions per place. [2021-06-11 23:01:52,945 INFO L151 LiptonReduction]: Number of co-enabled transitions 1374 [2021-06-11 23:01:53,389 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:01:53,389 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:01:53,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1396 [2021-06-11 23:01:53,390 INFO L480 AbstractCegarLoop]: Abstraction has has 605 places, 1969 transitions, 38688 flow [2021-06-11 23:01:53,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:01:53,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:01:53,390 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] [2021-06-11 23:01:53,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-06-11 23:01:53,390 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:01:53,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:01:53,390 INFO L82 PathProgramCache]: Analyzing trace with hash -757082553, now seen corresponding path program 8 times [2021-06-11 23:01:53,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:01:53,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58876357] [2021-06-11 23:01:53,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:01:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:01:53,399 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:01:53,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:01:53,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:01:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:53,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:53,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:53,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:53,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:53,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:01:53,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:01:53,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:01:53,473 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:01:53,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:01:53,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:01:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:53,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:01:53,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:01:53,552 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:01:53,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:01:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:01:53,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58876357] [2021-06-11 23:01:53,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:01:53,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:01:53,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309392735] [2021-06-11 23:01:53,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:01:53,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:01:53,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:01:53,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:01:53,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:01:53,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 1969 transitions, 38688 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:01:53,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:01:53,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:01:53,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:01:56,791 INFO L129 PetriNetUnfolder]: 2474/4481 cut-off events. [2021-06-11 23:01:56,791 INFO L130 PetriNetUnfolder]: For 217314/217328 co-relation queries the response was YES. [2021-06-11 23:01:56,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51626 conditions, 4481 events. 2474/4481 cut-off events. For 217314/217328 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 31323 event pairs, 219 based on Foata normal form. 11/4490 useless extension candidates. Maximal degree in co-relation 51387. Up to 2853 conditions per place. [2021-06-11 23:01:56,881 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 876 selfloop transitions, 1622 changer transitions 2/2508 dead transitions. [2021-06-11 23:01:56,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 2508 transitions, 53520 flow [2021-06-11 23:01:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-11 23:01:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-06-11 23:01:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 1233 transitions. [2021-06-11 23:01:56,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45164835164835165 [2021-06-11 23:01:56,883 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 1233 transitions. [2021-06-11 23:01:56,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 1233 transitions. [2021-06-11 23:01:56,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:01:56,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 1233 transitions. [2021-06-11 23:01:56,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 31.615384615384617) internal successors, (1233), 39 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:56,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 70.0) internal successors, (2800), 40 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:56,885 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 70.0) internal successors, (2800), 40 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:01:56,885 INFO L185 Difference]: Start difference. First operand has 605 places, 1969 transitions, 38688 flow. Second operand 39 states and 1233 transitions. [2021-06-11 23:01:56,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 2508 transitions, 53520 flow [2021-06-11 23:01:58,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 2508 transitions, 51407 flow, removed 1003 selfloop flow, removed 9 redundant places. [2021-06-11 23:01:58,513 INFO L241 Difference]: Finished difference. Result has 654 places, 2415 transitions, 50157 flow [2021-06-11 23:01:58,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=37393, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=50157, PETRI_PLACES=654, PETRI_TRANSITIONS=2415} [2021-06-11 23:01:58,515 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 615 predicate places. [2021-06-11 23:01:58,515 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:01:58,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 2415 transitions, 50157 flow [2021-06-11 23:01:58,515 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 2415 transitions, 50157 flow [2021-06-11 23:01:58,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 2415 transitions, 50157 flow [2021-06-11 23:01:59,686 INFO L129 PetriNetUnfolder]: 2311/4269 cut-off events. [2021-06-11 23:01:59,686 INFO L130 PetriNetUnfolder]: For 181392/181786 co-relation queries the response was YES. [2021-06-11 23:01:59,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47506 conditions, 4269 events. 2311/4269 cut-off events. For 181392/181786 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 31573 event pairs, 177 based on Foata normal form. 30/4236 useless extension candidates. Maximal degree in co-relation 47238. Up to 1740 conditions per place. [2021-06-11 23:01:59,799 INFO L151 LiptonReduction]: Number of co-enabled transitions 1550 [2021-06-11 23:02:00,482 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:00,482 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:00,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1968 [2021-06-11 23:02:00,483 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 2415 transitions, 50157 flow [2021-06-11 23:02:00,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:02:00,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:00,483 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] [2021-06-11 23:02:00,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-11 23:02:00,483 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1226916975, now seen corresponding path program 9 times [2021-06-11 23:02:00,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:00,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980398933] [2021-06-11 23:02:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:00,501 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:00,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:00,506 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:00,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:00,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:00,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:00,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:00,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:00,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:00,576 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:00,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:00,599 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:00,623 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:00,649 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:00,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:00,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:00,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:00,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980398933] [2021-06-11 23:02:00,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:00,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:02:00,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979377137] [2021-06-11 23:02:00,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:02:00,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:00,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:02:00,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:02:00,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:00,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 2415 transitions, 50157 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:00,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:00,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:00,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:02:04,194 INFO L129 PetriNetUnfolder]: 2532/4611 cut-off events. [2021-06-11 23:02:04,194 INFO L130 PetriNetUnfolder]: For 229732/229741 co-relation queries the response was YES. [2021-06-11 23:02:04,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55529 conditions, 4611 events. 2532/4611 cut-off events. For 229732/229741 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 32798 event pairs, 188 based on Foata normal form. 8/4617 useless extension candidates. Maximal degree in co-relation 55253. Up to 3486 conditions per place. [2021-06-11 23:02:04,295 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1492 selfloop transitions, 1048 changer transitions 2/2550 dead transitions. [2021-06-11 23:02:04,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 2550 transitions, 58131 flow [2021-06-11 23:02:04,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 23:02:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 23:02:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 932 transitions. [2021-06-11 23:02:04,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4438095238095238 [2021-06-11 23:02:04,296 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 932 transitions. [2021-06-11 23:02:04,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 932 transitions. [2021-06-11 23:02:04,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:02:04,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 932 transitions. [2021-06-11 23:02:04,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 31.066666666666666) internal successors, (932), 30 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:04,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:04,298 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:04,299 INFO L185 Difference]: Start difference. First operand has 654 places, 2415 transitions, 50157 flow. Second operand 30 states and 932 transitions. [2021-06-11 23:02:04,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 2550 transitions, 58131 flow [2021-06-11 23:02:06,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 2550 transitions, 56569 flow, removed 758 selfloop flow, removed 7 redundant places. [2021-06-11 23:02:06,698 INFO L241 Difference]: Finished difference. Result has 687 places, 2523 transitions, 53612 flow [2021-06-11 23:02:06,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=48637, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=943, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=53612, PETRI_PLACES=687, PETRI_TRANSITIONS=2523} [2021-06-11 23:02:06,699 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 648 predicate places. [2021-06-11 23:02:06,700 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:02:06,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 687 places, 2523 transitions, 53612 flow [2021-06-11 23:02:06,700 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 687 places, 2523 transitions, 53612 flow [2021-06-11 23:02:06,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 686 places, 2523 transitions, 53612 flow [2021-06-11 23:02:08,087 INFO L129 PetriNetUnfolder]: 2369/4389 cut-off events. [2021-06-11 23:02:08,087 INFO L130 PetriNetUnfolder]: For 188261/188436 co-relation queries the response was YES. [2021-06-11 23:02:08,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49886 conditions, 4389 events. 2369/4389 cut-off events. For 188261/188436 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 32690 event pairs, 139 based on Foata normal form. 10/4342 useless extension candidates. Maximal degree in co-relation 49615. Up to 1751 conditions per place. [2021-06-11 23:02:08,194 INFO L151 LiptonReduction]: Number of co-enabled transitions 1606 [2021-06-11 23:02:08,834 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:08,834 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:08,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2135 [2021-06-11 23:02:08,835 INFO L480 AbstractCegarLoop]: Abstraction has has 686 places, 2523 transitions, 53612 flow [2021-06-11 23:02:08,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:08,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:08,835 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] [2021-06-11 23:02:08,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-06-11 23:02:08,835 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:08,836 INFO L82 PathProgramCache]: Analyzing trace with hash -386958438, now seen corresponding path program 2 times [2021-06-11 23:02:08,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:08,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965234001] [2021-06-11 23:02:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:08,846 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:08,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:08,850 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:08,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:08,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:08,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:08,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:08,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:08,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:08,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:08,899 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 23:02:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 23:02:08,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:08,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:08,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:08,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:08,940 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:08,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:08,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965234001] [2021-06-11 23:02:08,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:08,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 23:02:08,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040335470] [2021-06-11 23:02:08,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 23:02:08,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:08,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 23:02:08,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-06-11 23:02:08,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:08,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 2523 transitions, 53612 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 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) [2021-06-11 23:02:08,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:08,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:08,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:02:12,342 INFO L129 PetriNetUnfolder]: 2535/4620 cut-off events. [2021-06-11 23:02:12,342 INFO L130 PetriNetUnfolder]: For 232249/232258 co-relation queries the response was YES. [2021-06-11 23:02:12,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56922 conditions, 4620 events. 2535/4620 cut-off events. For 232249/232258 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 32827 event pairs, 188 based on Foata normal form. 9/4627 useless extension candidates. Maximal degree in co-relation 56644. Up to 3838 conditions per place. [2021-06-11 23:02:12,451 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1942 selfloop transitions, 614 changer transitions 5/2569 dead transitions. [2021-06-11 23:02:12,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 2569 transitions, 59796 flow [2021-06-11 23:02:12,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 23:02:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 23:02:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 650 transitions. [2021-06-11 23:02:12,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2021-06-11 23:02:12,452 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 650 transitions. [2021-06-11 23:02:12,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 650 transitions. [2021-06-11 23:02:12,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:02:12,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 650 transitions. [2021-06-11 23:02:12,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.5) internal successors, (650), 20 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:12,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 70.0) internal successors, (1470), 21 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) [2021-06-11 23:02:12,454 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 70.0) internal successors, (1470), 21 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) [2021-06-11 23:02:12,454 INFO L185 Difference]: Start difference. First operand has 686 places, 2523 transitions, 53612 flow. Second operand 20 states and 650 transitions. [2021-06-11 23:02:12,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 2569 transitions, 59796 flow [2021-06-11 23:02:14,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 2569 transitions, 58476 flow, removed 376 selfloop flow, removed 15 redundant places. [2021-06-11 23:02:14,653 INFO L241 Difference]: Finished difference. Result has 696 places, 2538 transitions, 54280 flow [2021-06-11 23:02:14,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=52298, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=599, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=54280, PETRI_PLACES=696, PETRI_TRANSITIONS=2538} [2021-06-11 23:02:14,654 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 657 predicate places. [2021-06-11 23:02:14,654 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:02:14,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 696 places, 2538 transitions, 54280 flow [2021-06-11 23:02:14,655 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 696 places, 2538 transitions, 54280 flow [2021-06-11 23:02:14,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 2538 transitions, 54280 flow [2021-06-11 23:02:16,041 INFO L129 PetriNetUnfolder]: 2350/4407 cut-off events. [2021-06-11 23:02:16,041 INFO L130 PetriNetUnfolder]: For 191788/191987 co-relation queries the response was YES. [2021-06-11 23:02:16,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50397 conditions, 4407 events. 2350/4407 cut-off events. For 191788/191987 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 33192 event pairs, 108 based on Foata normal form. 17/4397 useless extension candidates. Maximal degree in co-relation 50122. Up to 1718 conditions per place. [2021-06-11 23:02:16,148 INFO L151 LiptonReduction]: Number of co-enabled transitions 1628 [2021-06-11 23:02:16,807 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:16,807 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:16,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2153 [2021-06-11 23:02:16,808 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 2538 transitions, 54280 flow [2021-06-11 23:02:16,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 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) [2021-06-11 23:02:16,808 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:16,808 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] [2021-06-11 23:02:16,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-11 23:02:16,808 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:16,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:16,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1937446889, now seen corresponding path program 10 times [2021-06-11 23:02:16,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:16,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415553720] [2021-06-11 23:02:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:16,819 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:16,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:16,824 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:16,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:16,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:16,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:16,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:16,883 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:16,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:16,907 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:16,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:16,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:16,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:16,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:16,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:16,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415553720] [2021-06-11 23:02:16,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:16,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:02:16,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851732543] [2021-06-11 23:02:16,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:02:16,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:16,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:02:16,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:02:16,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:16,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 2538 transitions, 54280 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:02:16,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:16,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:16,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:02:21,044 INFO L129 PetriNetUnfolder]: 2562/4738 cut-off events. [2021-06-11 23:02:21,044 INFO L130 PetriNetUnfolder]: For 234440/234454 co-relation queries the response was YES. [2021-06-11 23:02:21,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58274 conditions, 4738 events. 2562/4738 cut-off events. For 234440/234454 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 34425 event pairs, 213 based on Foata normal form. 11/4747 useless extension candidates. Maximal degree in co-relation 57992. Up to 3085 conditions per place. [2021-06-11 23:02:21,141 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1030 selfloop transitions, 1643 changer transitions 2/2683 dead transitions. [2021-06-11 23:02:21,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 2683 transitions, 62531 flow [2021-06-11 23:02:21,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 23:02:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 23:02:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1083 transitions. [2021-06-11 23:02:21,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4550420168067227 [2021-06-11 23:02:21,143 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1083 transitions. [2021-06-11 23:02:21,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1083 transitions. [2021-06-11 23:02:21,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:02:21,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1083 transitions. [2021-06-11 23:02:21,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 31.852941176470587) internal successors, (1083), 34 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:21,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:21,145 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:21,145 INFO L185 Difference]: Start difference. First operand has 696 places, 2538 transitions, 54280 flow. Second operand 34 states and 1083 transitions. [2021-06-11 23:02:21,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 2683 transitions, 62531 flow [2021-06-11 23:02:23,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 2683 transitions, 61791 flow, removed 81 selfloop flow, removed 14 redundant places. [2021-06-11 23:02:23,506 INFO L241 Difference]: Finished difference. Result has 724 places, 2587 transitions, 59017 flow [2021-06-11 23:02:23,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=53582, PETRI_DIFFERENCE_MINUEND_PLACES=682, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1597, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=905, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=59017, PETRI_PLACES=724, PETRI_TRANSITIONS=2587} [2021-06-11 23:02:23,507 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 685 predicate places. [2021-06-11 23:02:23,507 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:02:23,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 2587 transitions, 59017 flow [2021-06-11 23:02:23,508 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 2587 transitions, 59017 flow [2021-06-11 23:02:23,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 724 places, 2587 transitions, 59017 flow [2021-06-11 23:02:25,132 INFO L129 PetriNetUnfolder]: 2394/4514 cut-off events. [2021-06-11 23:02:25,132 INFO L130 PetriNetUnfolder]: For 207426/207637 co-relation queries the response was YES. [2021-06-11 23:02:25,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53742 conditions, 4514 events. 2394/4514 cut-off events. For 207426/207637 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 34352 event pairs, 157 based on Foata normal form. 13/4482 useless extension candidates. Maximal degree in co-relation 53460. Up to 1775 conditions per place. [2021-06-11 23:02:25,245 INFO L151 LiptonReduction]: Number of co-enabled transitions 1650 [2021-06-11 23:02:26,039 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:26,039 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:26,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2532 [2021-06-11 23:02:26,040 INFO L480 AbstractCegarLoop]: Abstraction has has 724 places, 2587 transitions, 59017 flow [2021-06-11 23:02:26,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:02:26,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:26,041 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] [2021-06-11 23:02:26,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-06-11 23:02:26,041 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:26,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:26,041 INFO L82 PathProgramCache]: Analyzing trace with hash -399529295, now seen corresponding path program 11 times [2021-06-11 23:02:26,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:26,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721415249] [2021-06-11 23:02:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:26,058 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:26,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:26,062 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:26,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:26,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:26,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:26,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:26,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:26,120 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:26,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:26,145 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:26,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:26,172 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:26,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:26,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:26,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:26,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:26,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:26,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721415249] [2021-06-11 23:02:26,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:26,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:02:26,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106578702] [2021-06-11 23:02:26,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:02:26,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:26,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:02:26,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:02:26,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:26,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 2587 transitions, 59017 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:26,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:26,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:26,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:02:30,620 INFO L129 PetriNetUnfolder]: 2608/4849 cut-off events. [2021-06-11 23:02:30,620 INFO L130 PetriNetUnfolder]: For 258037/258051 co-relation queries the response was YES. [2021-06-11 23:02:30,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62281 conditions, 4849 events. 2608/4849 cut-off events. For 258037/258051 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 35625 event pairs, 213 based on Foata normal form. 11/4858 useless extension candidates. Maximal degree in co-relation 61992. Up to 3156 conditions per place. [2021-06-11 23:02:30,722 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1091 selfloop transitions, 1632 changer transitions 3/2734 dead transitions. [2021-06-11 23:02:30,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 2734 transitions, 67761 flow [2021-06-11 23:02:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 23:02:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 23:02:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1081 transitions. [2021-06-11 23:02:30,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4542016806722689 [2021-06-11 23:02:30,724 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1081 transitions. [2021-06-11 23:02:30,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1081 transitions. [2021-06-11 23:02:30,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:02:30,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1081 transitions. [2021-06-11 23:02:30,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 31.794117647058822) internal successors, (1081), 34 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:30,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:30,726 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:30,726 INFO L185 Difference]: Start difference. First operand has 724 places, 2587 transitions, 59017 flow. Second operand 34 states and 1081 transitions. [2021-06-11 23:02:30,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 2734 transitions, 67761 flow [2021-06-11 23:02:33,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 2734 transitions, 66599 flow, removed 127 selfloop flow, removed 18 redundant places. [2021-06-11 23:02:33,295 INFO L241 Difference]: Finished difference. Result has 745 places, 2669 transitions, 64048 flow [2021-06-11 23:02:33,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=57867, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1553, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=988, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=64048, PETRI_PLACES=745, PETRI_TRANSITIONS=2669} [2021-06-11 23:02:33,296 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 706 predicate places. [2021-06-11 23:02:33,297 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:02:33,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 2669 transitions, 64048 flow [2021-06-11 23:02:33,297 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 2669 transitions, 64048 flow [2021-06-11 23:02:33,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 745 places, 2669 transitions, 64048 flow [2021-06-11 23:02:34,794 INFO L129 PetriNetUnfolder]: 2450/4625 cut-off events. [2021-06-11 23:02:34,795 INFO L130 PetriNetUnfolder]: For 223358/223582 co-relation queries the response was YES. [2021-06-11 23:02:34,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57757 conditions, 4625 events. 2450/4625 cut-off events. For 223358/223582 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 35482 event pairs, 117 based on Foata normal form. 21/4587 useless extension candidates. Maximal degree in co-relation 57467. Up to 1856 conditions per place. [2021-06-11 23:02:34,948 INFO L151 LiptonReduction]: Number of co-enabled transitions 1660 [2021-06-11 23:02:35,720 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:35,720 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:35,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2423 [2021-06-11 23:02:35,721 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 2669 transitions, 64048 flow [2021-06-11 23:02:35,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:35,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:35,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:02:35,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-06-11 23:02:35,721 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:35,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:35,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1125434499, now seen corresponding path program 12 times [2021-06-11 23:02:35,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:35,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543786478] [2021-06-11 23:02:35,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:35,733 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:35,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:35,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:35,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:35,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:35,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:35,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:35,801 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:02:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:02:35,825 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:35,850 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:35,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:35,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:35,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:35,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:35,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:35,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:35,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543786478] [2021-06-11 23:02:35,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:35,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:02:35,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828145644] [2021-06-11 23:02:35,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:02:35,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:35,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:02:35,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:02:35,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:35,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 2669 transitions, 64048 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:35,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:35,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:35,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:02:40,055 INFO L129 PetriNetUnfolder]: 2614/4893 cut-off events. [2021-06-11 23:02:40,055 INFO L130 PetriNetUnfolder]: For 278977/278991 co-relation queries the response was YES. [2021-06-11 23:02:40,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65445 conditions, 4893 events. 2614/4893 cut-off events. For 278977/278991 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 36321 event pairs, 206 based on Foata normal form. 14/4905 useless extension candidates. Maximal degree in co-relation 65148. Up to 3487 conditions per place. [2021-06-11 23:02:40,166 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1415 selfloop transitions, 1320 changer transitions 6/2749 dead transitions. [2021-06-11 23:02:40,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 2749 transitions, 71785 flow [2021-06-11 23:02:40,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 23:02:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 23:02:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 833 transitions. [2021-06-11 23:02:40,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4576923076923077 [2021-06-11 23:02:40,167 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 833 transitions. [2021-06-11 23:02:40,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 833 transitions. [2021-06-11 23:02:40,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:02:40,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 833 transitions. [2021-06-11 23:02:40,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 32.03846153846154) internal successors, (833), 26 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:40,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 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) [2021-06-11 23:02:40,169 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 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) [2021-06-11 23:02:40,169 INFO L185 Difference]: Start difference. First operand has 745 places, 2669 transitions, 64048 flow. Second operand 26 states and 833 transitions. [2021-06-11 23:02:40,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 2749 transitions, 71785 flow [2021-06-11 23:02:42,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 752 places, 2749 transitions, 70379 flow, removed 276 selfloop flow, removed 18 redundant places. [2021-06-11 23:02:42,940 INFO L241 Difference]: Finished difference. Result has 757 places, 2693 transitions, 66365 flow [2021-06-11 23:02:42,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=62832, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1294, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=66365, PETRI_PLACES=757, PETRI_TRANSITIONS=2693} [2021-06-11 23:02:42,942 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 718 predicate places. [2021-06-11 23:02:42,942 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:02:42,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 757 places, 2693 transitions, 66365 flow [2021-06-11 23:02:42,942 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 757 places, 2693 transitions, 66365 flow [2021-06-11 23:02:42,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 757 places, 2693 transitions, 66365 flow [2021-06-11 23:02:44,611 INFO L129 PetriNetUnfolder]: 2448/4657 cut-off events. [2021-06-11 23:02:44,611 INFO L130 PetriNetUnfolder]: For 230070/230300 co-relation queries the response was YES. [2021-06-11 23:02:44,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59425 conditions, 4657 events. 2448/4657 cut-off events. For 230070/230300 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 36144 event pairs, 109 based on Foata normal form. 11/4613 useless extension candidates. Maximal degree in co-relation 59126. Up to 1884 conditions per place. [2021-06-11 23:02:44,734 INFO L151 LiptonReduction]: Number of co-enabled transitions 1698 [2021-06-11 23:02:45,607 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:45,607 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:45,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2665 [2021-06-11 23:02:45,607 INFO L480 AbstractCegarLoop]: Abstraction has has 757 places, 2693 transitions, 66365 flow [2021-06-11 23:02:45,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:45,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:45,607 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] [2021-06-11 23:02:45,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-06-11 23:02:45,608 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:45,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:45,608 INFO L82 PathProgramCache]: Analyzing trace with hash -725125519, now seen corresponding path program 13 times [2021-06-11 23:02:45,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:45,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166160904] [2021-06-11 23:02:45,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:45,619 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:45,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:45,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:45,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:45,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:45,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:45,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:45,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:45,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:45,706 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:45,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:45,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:45,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:45,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:45,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:45,782 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:45,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:45,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166160904] [2021-06-11 23:02:45,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:45,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:02:45,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250506213] [2021-06-11 23:02:45,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:02:45,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:45,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:02:45,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:02:45,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:45,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 757 places, 2693 transitions, 66365 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:45,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:45,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:45,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:02:50,881 INFO L129 PetriNetUnfolder]: 2685/5034 cut-off events. [2021-06-11 23:02:50,881 INFO L130 PetriNetUnfolder]: For 296832/296846 co-relation queries the response was YES. [2021-06-11 23:02:50,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68893 conditions, 5034 events. 2685/5034 cut-off events. For 296832/296846 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 37658 event pairs, 207 based on Foata normal form. 11/5043 useless extension candidates. Maximal degree in co-relation 68587. Up to 3066 conditions per place. [2021-06-11 23:02:50,986 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1066 selfloop transitions, 1799 changer transitions 2/2875 dead transitions. [2021-06-11 23:02:50,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 2875 transitions, 77079 flow [2021-06-11 23:02:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-11 23:02:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-06-11 23:02:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 1583 transitions. [2021-06-11 23:02:50,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4434173669467787 [2021-06-11 23:02:50,988 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 1583 transitions. [2021-06-11 23:02:50,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 1583 transitions. [2021-06-11 23:02:50,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:02:50,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 1583 transitions. [2021-06-11 23:02:50,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 31.03921568627451) internal successors, (1583), 51 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:50,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 70.0) internal successors, (3640), 52 states have internal predecessors, (3640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:50,991 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 70.0) internal successors, (3640), 52 states have internal predecessors, (3640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:50,991 INFO L185 Difference]: Start difference. First operand has 757 places, 2693 transitions, 66365 flow. Second operand 51 states and 1583 transitions. [2021-06-11 23:02:50,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 2875 transitions, 77079 flow [2021-06-11 23:02:53,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 2875 transitions, 75376 flow, removed 40 selfloop flow, removed 18 redundant places. [2021-06-11 23:02:53,864 INFO L241 Difference]: Finished difference. Result has 805 places, 2799 transitions, 72419 flow [2021-06-11 23:02:53,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=64759, PETRI_DIFFERENCE_MINUEND_PLACES=739, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=958, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=72419, PETRI_PLACES=805, PETRI_TRANSITIONS=2799} [2021-06-11 23:02:53,866 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 766 predicate places. [2021-06-11 23:02:53,866 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:02:53,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 2799 transitions, 72419 flow [2021-06-11 23:02:53,867 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 2799 transitions, 72419 flow [2021-06-11 23:02:53,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 2799 transitions, 72419 flow [2021-06-11 23:02:55,745 INFO L129 PetriNetUnfolder]: 2515/4815 cut-off events. [2021-06-11 23:02:55,745 INFO L130 PetriNetUnfolder]: For 270382/270649 co-relation queries the response was YES. [2021-06-11 23:02:55,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63906 conditions, 4815 events. 2515/4815 cut-off events. For 270382/270649 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 37952 event pairs, 113 based on Foata normal form. 12/4784 useless extension candidates. Maximal degree in co-relation 63588. Up to 1917 conditions per place. [2021-06-11 23:02:55,874 INFO L151 LiptonReduction]: Number of co-enabled transitions 1768 [2021-06-11 23:02:56,678 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:02:56,679 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:02:56,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2813 [2021-06-11 23:02:56,679 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 2799 transitions, 72419 flow [2021-06-11 23:02:56,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:56,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:02:56,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:02:56,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-06-11 23:02:56,679 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:02:56,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:02:56,680 INFO L82 PathProgramCache]: Analyzing trace with hash 793913279, now seen corresponding path program 14 times [2021-06-11 23:02:56,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:02:56,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505629036] [2021-06-11 23:02:56,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:02:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:02:56,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:02:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:02:56,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:02:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:56,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:56,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:56,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:56,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:02:56,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:02:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:02:56,900 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:56,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:56,925 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:02:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:02:56,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:02:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:02:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:02:56,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:02:56,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:02:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:02:57,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505629036] [2021-06-11 23:02:57,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:02:57,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:02:57,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715638468] [2021-06-11 23:02:57,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:02:57,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:02:57,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:02:57,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:02:57,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:02:57,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 2799 transitions, 72419 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:02:57,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:02:57,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:02:57,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:03:01,950 INFO L129 PetriNetUnfolder]: 2708/5107 cut-off events. [2021-06-11 23:03:01,950 INFO L130 PetriNetUnfolder]: For 329800/329814 co-relation queries the response was YES. [2021-06-11 23:03:02,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72409 conditions, 5107 events. 2708/5107 cut-off events. For 329800/329814 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 38693 event pairs, 209 based on Foata normal form. 11/5116 useless extension candidates. Maximal degree in co-relation 72084. Up to 3307 conditions per place. [2021-06-11 23:03:02,064 INFO L132 encePairwiseOnDemand]: 48/70 looper letters, 1233 selfloop transitions, 1665 changer transitions 2/2908 dead transitions. [2021-06-11 23:03:02,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 2908 transitions, 81656 flow [2021-06-11 23:03:02,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-11 23:03:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-06-11 23:03:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 1399 transitions. [2021-06-11 23:03:02,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44412698412698415 [2021-06-11 23:03:02,066 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 1399 transitions. [2021-06-11 23:03:02,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 1399 transitions. [2021-06-11 23:03:02,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:03:02,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 1399 transitions. [2021-06-11 23:03:02,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 31.08888888888889) internal successors, (1399), 45 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:02,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 70.0) internal successors, (3220), 46 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:02,069 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 70.0) internal successors, (3220), 46 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:02,069 INFO L185 Difference]: Start difference. First operand has 805 places, 2799 transitions, 72419 flow. Second operand 45 states and 1399 transitions. [2021-06-11 23:03:02,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 2908 transitions, 81656 flow [2021-06-11 23:03:05,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 829 places, 2908 transitions, 79518 flow, removed 352 selfloop flow, removed 20 redundant places. [2021-06-11 23:03:05,478 INFO L241 Difference]: Finished difference. Result has 838 places, 2848 transitions, 76228 flow [2021-06-11 23:03:05,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=70329, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1618, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=76228, PETRI_PLACES=838, PETRI_TRANSITIONS=2848} [2021-06-11 23:03:05,481 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 799 predicate places. [2021-06-11 23:03:05,481 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:03:05,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 2848 transitions, 76228 flow [2021-06-11 23:03:05,481 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 2848 transitions, 76228 flow [2021-06-11 23:03:05,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 2848 transitions, 76228 flow [2021-06-11 23:03:07,424 INFO L129 PetriNetUnfolder]: 2550/4895 cut-off events. [2021-06-11 23:03:07,424 INFO L130 PetriNetUnfolder]: For 283449/283696 co-relation queries the response was YES. [2021-06-11 23:03:07,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66256 conditions, 4895 events. 2550/4895 cut-off events. For 283449/283696 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 38741 event pairs, 142 based on Foata normal form. 6/4847 useless extension candidates. Maximal degree in co-relation 65931. Up to 1945 conditions per place. [2021-06-11 23:03:07,565 INFO L151 LiptonReduction]: Number of co-enabled transitions 1784 [2021-06-11 23:03:08,403 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:03:08,403 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:03:08,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2922 [2021-06-11 23:03:08,404 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 2848 transitions, 76228 flow [2021-06-11 23:03:08,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:08,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:03:08,404 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] [2021-06-11 23:03:08,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-06-11 23:03:08,404 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:03:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:03:08,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1387303111, now seen corresponding path program 15 times [2021-06-11 23:03:08,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:03:08,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319713345] [2021-06-11 23:03:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:03:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:03:08,416 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:03:08,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:03:08,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:03:08,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:08,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:08,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:08,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:03:08,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:08,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:08,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:08,506 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:03:08,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:03:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:08,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:08,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:08,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:08,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:03:08,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:03:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:03:08,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319713345] [2021-06-11 23:03:08,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:03:08,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:03:08,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068987296] [2021-06-11 23:03:08,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:03:08,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:03:08,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:03:08,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:03:08,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:03:08,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 2848 transitions, 76228 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:08,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:03:08,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:03:08,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:03:14,315 INFO L129 PetriNetUnfolder]: 2751/5227 cut-off events. [2021-06-11 23:03:14,315 INFO L130 PetriNetUnfolder]: For 364339/364353 co-relation queries the response was YES. [2021-06-11 23:03:14,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75854 conditions, 5227 events. 2751/5227 cut-off events. For 364339/364353 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 40065 event pairs, 214 based on Foata normal form. 11/5236 useless extension candidates. Maximal degree in co-relation 75522. Up to 3382 conditions per place. [2021-06-11 23:03:14,455 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1255 selfloop transitions, 1757 changer transitions 4/3024 dead transitions. [2021-06-11 23:03:14,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 890 places, 3024 transitions, 87869 flow [2021-06-11 23:03:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-11 23:03:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-06-11 23:03:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 1632 transitions. [2021-06-11 23:03:14,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4398921832884097 [2021-06-11 23:03:14,457 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 1632 transitions. [2021-06-11 23:03:14,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 1632 transitions. [2021-06-11 23:03:14,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:03:14,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 1632 transitions. [2021-06-11 23:03:14,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 30.79245283018868) internal successors, (1632), 53 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:14,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 70.0) internal successors, (3780), 54 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:14,460 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 70.0) internal successors, (3780), 54 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:14,460 INFO L185 Difference]: Start difference. First operand has 838 places, 2848 transitions, 76228 flow. Second operand 53 states and 1632 transitions. [2021-06-11 23:03:14,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 890 places, 3024 transitions, 87869 flow [2021-06-11 23:03:18,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 3024 transitions, 86323 flow, removed 171 selfloop flow, removed 29 redundant places. [2021-06-11 23:03:18,795 INFO L241 Difference]: Finished difference. Result has 876 places, 2968 transitions, 83109 flow [2021-06-11 23:03:18,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=74712, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2848, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1644, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=53, PETRI_FLOW=83109, PETRI_PLACES=876, PETRI_TRANSITIONS=2968} [2021-06-11 23:03:18,798 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 837 predicate places. [2021-06-11 23:03:18,798 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:03:18,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 2968 transitions, 83109 flow [2021-06-11 23:03:18,798 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 2968 transitions, 83109 flow [2021-06-11 23:03:18,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 2968 transitions, 83109 flow [2021-06-11 23:03:20,906 INFO L129 PetriNetUnfolder]: 2596/5027 cut-off events. [2021-06-11 23:03:20,906 INFO L130 PetriNetUnfolder]: For 343888/344154 co-relation queries the response was YES. [2021-06-11 23:03:21,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71660 conditions, 5027 events. 2596/5027 cut-off events. For 343888/344154 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 40398 event pairs, 134 based on Foata normal form. 3/4977 useless extension candidates. Maximal degree in co-relation 71294. Up to 2010 conditions per place. [2021-06-11 23:03:21,082 INFO L151 LiptonReduction]: Number of co-enabled transitions 1828 [2021-06-11 23:03:21,982 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:03:21,982 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:03:21,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3184 [2021-06-11 23:03:21,983 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 2968 transitions, 83109 flow [2021-06-11 23:03:21,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:21,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:03:21,983 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] [2021-06-11 23:03:21,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-06-11 23:03:21,983 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:03:21,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:03:21,983 INFO L82 PathProgramCache]: Analyzing trace with hash 286865347, now seen corresponding path program 16 times [2021-06-11 23:03:21,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:03:21,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614497528] [2021-06-11 23:03:21,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:03:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:03:21,993 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:03:21,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:03:21,997 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:03:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:22,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:22,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:22,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:22,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:03:22,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:22,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:22,073 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:03:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:03:22,101 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-06-11 23:03:22,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 23:03:22,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:22,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:22,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:22,176 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:03:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:03:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:03:22,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614497528] [2021-06-11 23:03:22,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:03:22,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-11 23:03:22,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281714288] [2021-06-11 23:03:22,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 23:03:22,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:03:22,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 23:03:22,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-11 23:03:22,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:03:22,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 2968 transitions, 83109 flow. Second operand has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:22,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:03:22,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:03:22,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:03:28,048 INFO L129 PetriNetUnfolder]: 2762/5274 cut-off events. [2021-06-11 23:03:28,048 INFO L130 PetriNetUnfolder]: For 411910/411924 co-relation queries the response was YES. [2021-06-11 23:03:28,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80077 conditions, 5274 events. 2762/5274 cut-off events. For 411910/411924 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 40658 event pairs, 211 based on Foata normal form. 11/5283 useless extension candidates. Maximal degree in co-relation 79728. Up to 3544 conditions per place. [2021-06-11 23:03:28,175 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 1394 selfloop transitions, 1624 changer transitions 2/3028 dead transitions. [2021-06-11 23:03:28,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 3028 transitions, 91854 flow [2021-06-11 23:03:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-11 23:03:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-06-11 23:03:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 1422 transitions. [2021-06-11 23:03:28,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44161490683229815 [2021-06-11 23:03:28,177 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 1422 transitions. [2021-06-11 23:03:28,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 1422 transitions. [2021-06-11 23:03:28,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:03:28,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 1422 transitions. [2021-06-11 23:03:28,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 30.91304347826087) internal successors, (1422), 46 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:28,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 70.0) internal successors, (3290), 47 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:28,180 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 70.0) internal successors, (3290), 47 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:28,180 INFO L185 Difference]: Start difference. First operand has 876 places, 2968 transitions, 83109 flow. Second operand 46 states and 1422 transitions. [2021-06-11 23:03:28,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 3028 transitions, 91854 flow [2021-06-11 23:03:32,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 897 places, 3028 transitions, 89495 flow, removed 760 selfloop flow, removed 24 redundant places. [2021-06-11 23:03:32,414 INFO L241 Difference]: Finished difference. Result has 902 places, 2993 transitions, 85596 flow [2021-06-11 23:03:32,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=80838, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1601, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=85596, PETRI_PLACES=902, PETRI_TRANSITIONS=2993} [2021-06-11 23:03:32,416 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 863 predicate places. [2021-06-11 23:03:32,416 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:03:32,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 902 places, 2993 transitions, 85596 flow [2021-06-11 23:03:32,416 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 902 places, 2993 transitions, 85596 flow [2021-06-11 23:03:32,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 902 places, 2993 transitions, 85596 flow [2021-06-11 23:03:34,356 INFO L129 PetriNetUnfolder]: 2590/5055 cut-off events. [2021-06-11 23:03:34,356 INFO L130 PetriNetUnfolder]: For 336261/336420 co-relation queries the response was YES. [2021-06-11 23:03:34,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73204 conditions, 5055 events. 2590/5055 cut-off events. For 336261/336420 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 40828 event pairs, 136 based on Foata normal form. 7/5019 useless extension candidates. Maximal degree in co-relation 72856. Up to 1958 conditions per place. [2021-06-11 23:03:34,646 INFO L151 LiptonReduction]: Number of co-enabled transitions 1832 [2021-06-11 23:03:35,547 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:03:35,547 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:03:35,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3131 [2021-06-11 23:03:35,547 INFO L480 AbstractCegarLoop]: Abstraction has has 902 places, 2993 transitions, 85596 flow [2021-06-11 23:03:35,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.0) internal successors, (405), 15 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:35,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:03:35,548 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] [2021-06-11 23:03:35,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-06-11 23:03:35,548 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:03:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:03:35,548 INFO L82 PathProgramCache]: Analyzing trace with hash -780226620, now seen corresponding path program 3 times [2021-06-11 23:03:35,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:03:35,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218315258] [2021-06-11 23:03:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:03:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:03:35,560 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:03:35,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:03:35,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:03:35,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:35,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:35,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:35,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:35,632 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 23:03:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 23:03:35,636 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-11 23:03:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 23:03:35,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:35,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:35,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:35,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:35,704 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:03:35,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:03:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:03:35,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218315258] [2021-06-11 23:03:35,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:03:35,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:03:35,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734861159] [2021-06-11 23:03:35,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:03:35,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:03:35,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:03:35,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:03:35,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:03:35,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 902 places, 2993 transitions, 85596 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:35,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:03:35,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:03:35,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:03:41,287 INFO L129 PetriNetUnfolder]: 2774/5325 cut-off events. [2021-06-11 23:03:41,287 INFO L130 PetriNetUnfolder]: For 397509/397523 co-relation queries the response was YES. [2021-06-11 23:03:41,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81629 conditions, 5325 events. 2774/5325 cut-off events. For 397509/397523 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 41396 event pairs, 220 based on Foata normal form. 11/5334 useless extension candidates. Maximal degree in co-relation 81274. Up to 4181 conditions per place. [2021-06-11 23:03:41,420 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 2360 selfloop transitions, 730 changer transitions 2/3100 dead transitions. [2021-06-11 23:03:41,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 3100 transitions, 94581 flow [2021-06-11 23:03:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-11 23:03:41,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-11 23:03:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1029 transitions. [2021-06-11 23:03:41,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44545454545454544 [2021-06-11 23:03:41,421 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1029 transitions. [2021-06-11 23:03:41,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1029 transitions. [2021-06-11 23:03:41,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:03:41,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1029 transitions. [2021-06-11 23:03:41,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 31.181818181818183) internal successors, (1029), 33 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:41,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 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) [2021-06-11 23:03:41,423 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 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) [2021-06-11 23:03:41,423 INFO L185 Difference]: Start difference. First operand has 902 places, 2993 transitions, 85596 flow. Second operand 33 states and 1029 transitions. [2021-06-11 23:03:41,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 3100 transitions, 94581 flow [2021-06-11 23:03:45,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 894 places, 3100 transitions, 92389 flow, removed 117 selfloop flow, removed 40 redundant places. [2021-06-11 23:03:45,862 INFO L241 Difference]: Finished difference. Result has 903 places, 3029 transitions, 86346 flow [2021-06-11 23:03:45,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=83448, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=697, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=86346, PETRI_PLACES=903, PETRI_TRANSITIONS=3029} [2021-06-11 23:03:45,865 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 864 predicate places. [2021-06-11 23:03:45,865 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:03:45,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 903 places, 3029 transitions, 86346 flow [2021-06-11 23:03:45,865 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 903 places, 3029 transitions, 86346 flow [2021-06-11 23:03:45,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 903 places, 3029 transitions, 86346 flow [2021-06-11 23:03:48,018 INFO L129 PetriNetUnfolder]: 2618/5106 cut-off events. [2021-06-11 23:03:48,018 INFO L130 PetriNetUnfolder]: For 363411/363645 co-relation queries the response was YES. [2021-06-11 23:03:48,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74679 conditions, 5106 events. 2618/5106 cut-off events. For 363411/363645 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 41301 event pairs, 125 based on Foata normal form. 3/5061 useless extension candidates. Maximal degree in co-relation 74323. Up to 1941 conditions per place. [2021-06-11 23:03:48,171 INFO L151 LiptonReduction]: Number of co-enabled transitions 1868 [2021-06-11 23:03:49,246 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:03:49,246 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:03:49,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3381 [2021-06-11 23:03:49,247 INFO L480 AbstractCegarLoop]: Abstraction has has 903 places, 3029 transitions, 86346 flow [2021-06-11 23:03:49,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:49,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:03:49,247 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] [2021-06-11 23:03:49,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-06-11 23:03:49,247 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:03:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:03:49,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1578364136, now seen corresponding path program 4 times [2021-06-11 23:03:49,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:03:49,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488031227] [2021-06-11 23:03:49,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:03:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:03:49,264 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:03:49,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:03:49,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:03:49,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:49,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:03:49,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:49,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:49,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:49,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:03:49,336 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-06-11 23:03:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 23:03:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:49,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:49,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:03:49,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:03:49,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:03:49,388 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:03:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:03:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:03:49,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488031227] [2021-06-11 23:03:49,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:03:49,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:03:49,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378186173] [2021-06-11 23:03:49,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:03:49,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:03:49,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:03:49,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:03:49,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:03:49,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 903 places, 3029 transitions, 86346 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:49,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:03:49,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:03:49,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:03:54,682 INFO L129 PetriNetUnfolder]: 2773/5288 cut-off events. [2021-06-11 23:03:54,682 INFO L130 PetriNetUnfolder]: For 419817/419826 co-relation queries the response was YES. [2021-06-11 23:03:54,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82611 conditions, 5288 events. 2773/5288 cut-off events. For 419817/419826 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 40876 event pairs, 123 based on Foata normal form. 8/5294 useless extension candidates. Maximal degree in co-relation 82248. Up to 4320 conditions per place. [2021-06-11 23:03:54,823 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 2348 selfloop transitions, 698 changer transitions 3/3057 dead transitions. [2021-06-11 23:03:54,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 925 places, 3057 transitions, 93596 flow [2021-06-11 23:03:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 23:03:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 23:03:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 732 transitions. [2021-06-11 23:03:54,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4546583850931677 [2021-06-11 23:03:54,824 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 732 transitions. [2021-06-11 23:03:54,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 732 transitions. [2021-06-11 23:03:54,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:03:54,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 732 transitions. [2021-06-11 23:03:54,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.82608695652174) internal successors, (732), 23 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:03:54,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 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) [2021-06-11 23:03:54,826 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 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) [2021-06-11 23:03:54,826 INFO L185 Difference]: Start difference. First operand has 903 places, 3029 transitions, 86346 flow. Second operand 23 states and 732 transitions. [2021-06-11 23:03:54,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 925 places, 3057 transitions, 93596 flow [2021-06-11 23:03:59,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 3057 transitions, 92564 flow, removed 347 selfloop flow, removed 17 redundant places. [2021-06-11 23:03:59,618 INFO L241 Difference]: Finished difference. Result has 911 places, 3030 transitions, 87162 flow [2021-06-11 23:03:59,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=85422, PETRI_DIFFERENCE_MINUEND_PLACES=886, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=696, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=87162, PETRI_PLACES=911, PETRI_TRANSITIONS=3030} [2021-06-11 23:03:59,620 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 872 predicate places. [2021-06-11 23:03:59,620 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:03:59,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 3030 transitions, 87162 flow [2021-06-11 23:03:59,620 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 3030 transitions, 87162 flow [2021-06-11 23:03:59,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 911 places, 3030 transitions, 87162 flow [2021-06-11 23:04:01,501 INFO L129 PetriNetUnfolder]: 2584/5049 cut-off events. [2021-06-11 23:04:01,502 INFO L130 PetriNetUnfolder]: For 357765/357842 co-relation queries the response was YES. [2021-06-11 23:04:01,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74740 conditions, 5049 events. 2584/5049 cut-off events. For 357765/357842 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 40505 event pairs, 120 based on Foata normal form. 4/5021 useless extension candidates. Maximal degree in co-relation 74379. Up to 1898 conditions per place. [2021-06-11 23:04:01,661 INFO L151 LiptonReduction]: Number of co-enabled transitions 1868 [2021-06-11 23:04:02,707 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:04:02,707 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:04:02,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3087 [2021-06-11 23:04:02,707 INFO L480 AbstractCegarLoop]: Abstraction has has 911 places, 3030 transitions, 87162 flow [2021-06-11 23:04:02,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:02,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:04:02,707 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] [2021-06-11 23:04:02,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-06-11 23:04:02,708 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:04:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:04:02,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1861412746, now seen corresponding path program 5 times [2021-06-11 23:04:02,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:04:02,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862440197] [2021-06-11 23:04:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:04:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:04:02,717 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:04:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:04:02,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:04:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:02,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:04:02,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:02,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:02,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:04:02,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:04:02,791 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-11 23:04:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 23:04:02,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:02,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:02,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:02,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:04:02,853 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:04:02,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:04:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:04:02,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862440197] [2021-06-11 23:04:02,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:04:02,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:04:02,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673382725] [2021-06-11 23:04:02,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:04:02,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:04:02,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:04:02,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:04:02,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:04:02,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 911 places, 3030 transitions, 87162 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:02,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:04:02,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:04:02,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:04:08,302 INFO L129 PetriNetUnfolder]: 2779/5329 cut-off events. [2021-06-11 23:04:08,302 INFO L130 PetriNetUnfolder]: For 424782/424796 co-relation queries the response was YES. [2021-06-11 23:04:08,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83570 conditions, 5329 events. 2779/5329 cut-off events. For 424782/424796 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 41313 event pairs, 229 based on Foata normal form. 11/5338 useless extension candidates. Maximal degree in co-relation 83173. Up to 4449 conditions per place. [2021-06-11 23:04:08,526 INFO L132 encePairwiseOnDemand]: 49/70 looper letters, 2476 selfloop transitions, 598 changer transitions 3/3085 dead transitions. [2021-06-11 23:04:08,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 3085 transitions, 95355 flow [2021-06-11 23:04:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 23:04:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 23:04:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 727 transitions. [2021-06-11 23:04:08,528 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4515527950310559 [2021-06-11 23:04:08,528 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 727 transitions. [2021-06-11 23:04:08,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 727 transitions. [2021-06-11 23:04:08,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:04:08,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 727 transitions. [2021-06-11 23:04:08,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.608695652173914) internal successors, (727), 23 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:08,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 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) [2021-06-11 23:04:08,529 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 70.0) internal successors, (1680), 24 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) [2021-06-11 23:04:08,529 INFO L185 Difference]: Start difference. First operand has 911 places, 3030 transitions, 87162 flow. Second operand 23 states and 727 transitions. [2021-06-11 23:04:08,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 933 places, 3085 transitions, 95355 flow [2021-06-11 23:04:12,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 3085 transitions, 94409 flow, removed 20 selfloop flow, removed 18 redundant places. [2021-06-11 23:04:12,762 INFO L241 Difference]: Finished difference. Result has 923 places, 3068 transitions, 88889 flow [2021-06-11 23:04:12,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=86260, PETRI_DIFFERENCE_MINUEND_PLACES=893, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=88889, PETRI_PLACES=923, PETRI_TRANSITIONS=3068} [2021-06-11 23:04:12,764 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 884 predicate places. [2021-06-11 23:04:12,764 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:04:12,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 923 places, 3068 transitions, 88889 flow [2021-06-11 23:04:12,764 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 923 places, 3068 transitions, 88889 flow [2021-06-11 23:04:12,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 923 places, 3068 transitions, 88889 flow [2021-06-11 23:04:14,837 INFO L129 PetriNetUnfolder]: 2618/5132 cut-off events. [2021-06-11 23:04:14,838 INFO L130 PetriNetUnfolder]: For 362934/363088 co-relation queries the response was YES. [2021-06-11 23:04:14,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75898 conditions, 5132 events. 2618/5132 cut-off events. For 362934/363088 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 41686 event pairs, 123 based on Foata normal form. 4/5086 useless extension candidates. Maximal degree in co-relation 75499. Up to 1940 conditions per place. [2021-06-11 23:04:15,001 INFO L151 LiptonReduction]: Number of co-enabled transitions 1884 [2021-06-11 23:04:16,065 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:04:16,065 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:04:16,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3301 [2021-06-11 23:04:16,066 INFO L480 AbstractCegarLoop]: Abstraction has has 923 places, 3068 transitions, 88889 flow [2021-06-11 23:04:16,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:16,066 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:04:16,066 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:04:16,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-06-11 23:04:16,066 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:04:16,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:04:16,066 INFO L82 PathProgramCache]: Analyzing trace with hash -762922999, now seen corresponding path program 17 times [2021-06-11 23:04:16,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:04:16,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592785479] [2021-06-11 23:04:16,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:04:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:04:16,076 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:04:16,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:04:16,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:04:16,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:16,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:04:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:16,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:16,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:04:16,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:16,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:16,165 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:04:16,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:04:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:04:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:16,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:04:16,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:04:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:04:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:04:16,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592785479] [2021-06-11 23:04:16,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:04:16,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:04:16,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477505709] [2021-06-11 23:04:16,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:04:16,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:04:16,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:04:16,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:04:16,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:04:16,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 3068 transitions, 88889 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:04:16,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:04:16,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:04:16,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:04:22,613 INFO L129 PetriNetUnfolder]: 2869/5524 cut-off events. [2021-06-11 23:04:22,613 INFO L130 PetriNetUnfolder]: For 440865/440879 co-relation queries the response was YES. [2021-06-11 23:04:22,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86265 conditions, 5524 events. 2869/5524 cut-off events. For 440865/440879 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 43486 event pairs, 209 based on Foata normal form. 11/5533 useless extension candidates. Maximal degree in co-relation 85858. Up to 3932 conditions per place. [2021-06-11 23:04:22,768 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1669 selfloop transitions, 1568 changer transitions 5/3250 dead transitions. [2021-06-11 23:04:22,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 955 places, 3250 transitions, 100361 flow [2021-06-11 23:04:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-11 23:04:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-11 23:04:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1045 transitions. [2021-06-11 23:04:22,770 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-06-11 23:04:22,770 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1045 transitions. [2021-06-11 23:04:22,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1045 transitions. [2021-06-11 23:04:22,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:04:22,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1045 transitions. [2021-06-11 23:04:22,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 31.666666666666668) internal successors, (1045), 33 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) [2021-06-11 23:04:22,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 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) [2021-06-11 23:04:22,772 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 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) [2021-06-11 23:04:22,772 INFO L185 Difference]: Start difference. First operand has 923 places, 3068 transitions, 88889 flow. Second operand 33 states and 1045 transitions. [2021-06-11 23:04:22,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 955 places, 3250 transitions, 100361 flow [2021-06-11 23:04:27,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 3250 transitions, 99886 flow, removed 131 selfloop flow, removed 10 redundant places. [2021-06-11 23:04:27,626 INFO L241 Difference]: Finished difference. Result has 951 places, 3210 transitions, 96013 flow [2021-06-11 23:04:27,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=88414, PETRI_DIFFERENCE_MINUEND_PLACES=913, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3068, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=96013, PETRI_PLACES=951, PETRI_TRANSITIONS=3210} [2021-06-11 23:04:27,627 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 912 predicate places. [2021-06-11 23:04:27,627 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:04:27,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 951 places, 3210 transitions, 96013 flow [2021-06-11 23:04:27,627 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 951 places, 3210 transitions, 96013 flow [2021-06-11 23:04:27,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 951 places, 3210 transitions, 96013 flow [2021-06-11 23:04:30,081 INFO L129 PetriNetUnfolder]: 2714/5301 cut-off events. [2021-06-11 23:04:30,082 INFO L130 PetriNetUnfolder]: For 386017/386177 co-relation queries the response was YES. [2021-06-11 23:04:30,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80886 conditions, 5301 events. 2714/5301 cut-off events. For 386017/386177 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 43227 event pairs, 160 based on Foata normal form. 4/5257 useless extension candidates. Maximal degree in co-relation 80511. Up to 2028 conditions per place. [2021-06-11 23:04:30,427 INFO L151 LiptonReduction]: Number of co-enabled transitions 2012 [2021-06-11 23:04:31,620 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:04:31,621 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:04:31,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3994 [2021-06-11 23:04:31,621 INFO L480 AbstractCegarLoop]: Abstraction has has 951 places, 3210 transitions, 96013 flow [2021-06-11 23:04:31,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:04:31,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:04:31,621 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] [2021-06-11 23:04:31,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-06-11 23:04:31,621 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:04:31,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:04:31,622 INFO L82 PathProgramCache]: Analyzing trace with hash -917360517, now seen corresponding path program 18 times [2021-06-11 23:04:31,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:04:31,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671166653] [2021-06-11 23:04:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:04:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:04:31,633 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:04:31,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:04:31,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:04:31,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:31,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:04:31,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:31,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:31,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:04:31,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:31,699 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:04:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:04:31,723 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-06-11 23:04:31,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 23:04:31,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:04:31,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:31,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:31,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:04:31,794 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:04:31,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:04:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:04:31,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671166653] [2021-06-11 23:04:31,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:04:31,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:04:31,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010206483] [2021-06-11 23:04:31,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:04:31,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:04:31,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:04:31,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:04:31,797 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:04:31,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 951 places, 3210 transitions, 96013 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:04:31,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:04:31,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:04:31,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:04:38,315 INFO L129 PetriNetUnfolder]: 2868/5530 cut-off events. [2021-06-11 23:04:38,315 INFO L130 PetriNetUnfolder]: For 461474/461488 co-relation queries the response was YES. [2021-06-11 23:04:38,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89200 conditions, 5530 events. 2868/5530 cut-off events. For 461474/461488 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 43633 event pairs, 215 based on Foata normal form. 11/5539 useless extension candidates. Maximal degree in co-relation 88794. Up to 4062 conditions per place. [2021-06-11 23:04:38,461 INFO L132 encePairwiseOnDemand]: 50/70 looper letters, 1833 selfloop transitions, 1391 changer transitions 4/3236 dead transitions. [2021-06-11 23:04:38,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 977 places, 3236 transitions, 103863 flow [2021-06-11 23:04:38,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-11 23:04:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-11 23:04:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 865 transitions. [2021-06-11 23:04:38,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4576719576719577 [2021-06-11 23:04:38,462 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 865 transitions. [2021-06-11 23:04:38,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 865 transitions. [2021-06-11 23:04:38,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:04:38,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 865 transitions. [2021-06-11 23:04:38,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 32.03703703703704) internal successors, (865), 27 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:38,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 23:04:38,464 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 23:04:38,464 INFO L185 Difference]: Start difference. First operand has 951 places, 3210 transitions, 96013 flow. Second operand 27 states and 865 transitions. [2021-06-11 23:04:38,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 977 places, 3236 transitions, 103863 flow [2021-06-11 23:04:43,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 3236 transitions, 102831 flow, removed 344 selfloop flow, removed 13 redundant places. [2021-06-11 23:04:43,873 INFO L241 Difference]: Finished difference. Result has 968 places, 3215 transitions, 98672 flow [2021-06-11 23:04:43,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=94981, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=98672, PETRI_PLACES=968, PETRI_TRANSITIONS=3215} [2021-06-11 23:04:43,874 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 929 predicate places. [2021-06-11 23:04:43,874 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:04:43,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 968 places, 3215 transitions, 98672 flow [2021-06-11 23:04:43,875 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 968 places, 3215 transitions, 98672 flow [2021-06-11 23:04:43,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 968 places, 3215 transitions, 98672 flow [2021-06-11 23:04:46,054 INFO L129 PetriNetUnfolder]: 2730/5310 cut-off events. [2021-06-11 23:04:46,055 INFO L130 PetriNetUnfolder]: For 383861/384048 co-relation queries the response was YES. [2021-06-11 23:04:46,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82638 conditions, 5310 events. 2730/5310 cut-off events. For 383861/384048 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 43075 event pairs, 161 based on Foata normal form. 4/5261 useless extension candidates. Maximal degree in co-relation 82265. Up to 2034 conditions per place. [2021-06-11 23:04:46,386 INFO L151 LiptonReduction]: Number of co-enabled transitions 2016 [2021-06-11 23:04:47,547 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:04:47,547 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:04:47,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3674 [2021-06-11 23:04:47,548 INFO L480 AbstractCegarLoop]: Abstraction has has 968 places, 3215 transitions, 98672 flow [2021-06-11 23:04:47,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:04:47,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:04:47,548 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] [2021-06-11 23:04:47,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-06-11 23:04:47,548 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:04:47,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:04:47,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1453803748, now seen corresponding path program 1 times [2021-06-11 23:04:47,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:04:47,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832741908] [2021-06-11 23:04:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:04:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:04:47,561 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:04:47,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:04:47,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:04:47,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:47,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:04:47,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:47,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:47,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:47,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:47,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:04:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:04:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:04:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:47,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:04:47,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:04:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:04:47,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:04:47,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:04:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:04:47,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832741908] [2021-06-11 23:04:47,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:04:47,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:04:47,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470306807] [2021-06-11 23:04:47,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:04:47,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:04:47,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:04:47,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:04:47,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:04:47,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 968 places, 3215 transitions, 98672 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:47,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:04:47,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:04:47,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:04:53,795 INFO L129 PetriNetUnfolder]: 2879/5569 cut-off events. [2021-06-11 23:04:53,795 INFO L130 PetriNetUnfolder]: For 477058/477065 co-relation queries the response was YES. [2021-06-11 23:04:53,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91080 conditions, 5569 events. 2879/5569 cut-off events. For 477058/477065 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 44119 event pairs, 229 based on Foata normal form. 6/5573 useless extension candidates. Maximal degree in co-relation 90675. Up to 4611 conditions per place. [2021-06-11 23:04:53,943 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2670 selfloop transitions, 572 changer transitions 4/3254 dead transitions. [2021-06-11 23:04:53,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 3254 transitions, 106490 flow [2021-06-11 23:04:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 23:04:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 23:04:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 805 transitions. [2021-06-11 23:04:53,945 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4423076923076923 [2021-06-11 23:04:53,945 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 805 transitions. [2021-06-11 23:04:53,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 805 transitions. [2021-06-11 23:04:53,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:04:53,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 805 transitions. [2021-06-11 23:04:53,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.96153846153846) internal successors, (805), 26 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:04:53,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 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) [2021-06-11 23:04:53,946 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 70.0) internal successors, (1890), 27 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) [2021-06-11 23:04:53,946 INFO L185 Difference]: Start difference. First operand has 968 places, 3215 transitions, 98672 flow. Second operand 26 states and 805 transitions. [2021-06-11 23:04:53,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 3254 transitions, 106490 flow [2021-06-11 23:04:58,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 968 places, 3254 transitions, 104199 flow, removed 125 selfloop flow, removed 25 redundant places. [2021-06-11 23:04:59,021 INFO L241 Difference]: Finished difference. Result has 976 places, 3242 transitions, 98316 flow [2021-06-11 23:04:59,023 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=96393, PETRI_DIFFERENCE_MINUEND_PLACES=943, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=548, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=98316, PETRI_PLACES=976, PETRI_TRANSITIONS=3242} [2021-06-11 23:04:59,023 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 937 predicate places. [2021-06-11 23:04:59,023 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:04:59,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 976 places, 3242 transitions, 98316 flow [2021-06-11 23:04:59,023 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 976 places, 3242 transitions, 98316 flow [2021-06-11 23:04:59,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 975 places, 3242 transitions, 98316 flow [2021-06-11 23:05:01,357 INFO L129 PetriNetUnfolder]: 2738/5347 cut-off events. [2021-06-11 23:05:01,358 INFO L130 PetriNetUnfolder]: For 394749/394930 co-relation queries the response was YES. [2021-06-11 23:05:01,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82183 conditions, 5347 events. 2738/5347 cut-off events. For 394749/394930 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 43788 event pairs, 170 based on Foata normal form. 7/5291 useless extension candidates. Maximal degree in co-relation 81776. Up to 2037 conditions per place. [2021-06-11 23:05:01,717 INFO L151 LiptonReduction]: Number of co-enabled transitions 2046 [2021-06-11 23:05:02,812 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:05:02,812 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:05:02,812 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3789 [2021-06-11 23:05:02,813 INFO L480 AbstractCegarLoop]: Abstraction has has 975 places, 3242 transitions, 98316 flow [2021-06-11 23:05:02,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:02,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:05:02,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:05:02,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-06-11 23:05:02,813 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:05:02,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:05:02,813 INFO L82 PathProgramCache]: Analyzing trace with hash 617379420, now seen corresponding path program 2 times [2021-06-11 23:05:02,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:05:02,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808226690] [2021-06-11 23:05:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:05:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:05:02,823 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:05:02,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:05:02,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:05:02,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:02,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:02,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:02,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:02,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:02,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:02,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:02,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:02,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:02,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:05:02,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:02,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:05:02,973 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:05:02,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:05:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:05:02,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808226690] [2021-06-11 23:05:02,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:05:02,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:05:02,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589268006] [2021-06-11 23:05:02,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:05:02,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:05:02,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:05:02,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:05:02,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:05:02,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 975 places, 3242 transitions, 98316 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:05:02,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:05:02,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:05:02,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:05:10,362 INFO L129 PetriNetUnfolder]: 3068/5963 cut-off events. [2021-06-11 23:05:10,362 INFO L130 PetriNetUnfolder]: For 498392/498406 co-relation queries the response was YES. [2021-06-11 23:05:10,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96368 conditions, 5963 events. 3068/5963 cut-off events. For 498392/498406 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 48164 event pairs, 230 based on Foata normal form. 11/5972 useless extension candidates. Maximal degree in co-relation 95953. Up to 4742 conditions per place. [2021-06-11 23:05:10,525 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2767 selfloop transitions, 756 changer transitions 11/3542 dead transitions. [2021-06-11 23:05:10,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1011 places, 3542 transitions, 115625 flow [2021-06-11 23:05:10,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 23:05:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 23:05:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1148 transitions. [2021-06-11 23:05:10,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44324324324324327 [2021-06-11 23:05:10,527 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1148 transitions. [2021-06-11 23:05:10,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1148 transitions. [2021-06-11 23:05:10,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:05:10,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1148 transitions. [2021-06-11 23:05:10,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 31.027027027027028) internal successors, (1148), 37 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:10,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:10,529 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:10,529 INFO L185 Difference]: Start difference. First operand has 975 places, 3242 transitions, 98316 flow. Second operand 37 states and 1148 transitions. [2021-06-11 23:05:10,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1011 places, 3542 transitions, 115625 flow [2021-06-11 23:05:16,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 991 places, 3542 transitions, 114071 flow, removed 298 selfloop flow, removed 20 redundant places. [2021-06-11 23:05:16,379 INFO L241 Difference]: Finished difference. Result has 1005 places, 3466 transitions, 106845 flow [2021-06-11 23:05:16,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=97034, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=106845, PETRI_PLACES=1005, PETRI_TRANSITIONS=3466} [2021-06-11 23:05:16,381 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 966 predicate places. [2021-06-11 23:05:16,381 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:05:16,381 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1005 places, 3466 transitions, 106845 flow [2021-06-11 23:05:16,381 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1005 places, 3466 transitions, 106845 flow [2021-06-11 23:05:16,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1004 places, 3466 transitions, 106845 flow [2021-06-11 23:05:19,135 INFO L129 PetriNetUnfolder]: 2911/5711 cut-off events. [2021-06-11 23:05:19,135 INFO L130 PetriNetUnfolder]: For 422881/423067 co-relation queries the response was YES. [2021-06-11 23:05:19,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88542 conditions, 5711 events. 2911/5711 cut-off events. For 422881/423067 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 47491 event pairs, 139 based on Foata normal form. 10/5677 useless extension candidates. Maximal degree in co-relation 88190. Up to 2093 conditions per place. [2021-06-11 23:05:19,448 INFO L151 LiptonReduction]: Number of co-enabled transitions 2288 [2021-06-11 23:05:20,723 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:05:20,723 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:05:20,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4342 [2021-06-11 23:05:20,724 INFO L480 AbstractCegarLoop]: Abstraction has has 1004 places, 3466 transitions, 106845 flow [2021-06-11 23:05:20,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:05:20,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:05:20,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:05:20,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-06-11 23:05:20,724 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:05:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:05:20,724 INFO L82 PathProgramCache]: Analyzing trace with hash 328917798, now seen corresponding path program 3 times [2021-06-11 23:05:20,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:05:20,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683804436] [2021-06-11 23:05:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:05:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:05:20,734 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:05:20,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:05:20,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:05:20,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:20,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:20,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:20,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:20,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:20,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:20,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:20,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:20,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:20,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:20,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:05:20,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:20,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:05:20,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:05:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:05:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:05:20,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683804436] [2021-06-11 23:05:20,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:05:20,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:05:20,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127265745] [2021-06-11 23:05:20,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:05:20,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:05:20,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:05:20,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:05:20,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:05:20,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1004 places, 3466 transitions, 106845 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:05:20,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:05:20,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:05:20,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:05:29,097 INFO L129 PetriNetUnfolder]: 3121/6140 cut-off events. [2021-06-11 23:05:29,098 INFO L130 PetriNetUnfolder]: For 503299/503313 co-relation queries the response was YES. [2021-06-11 23:05:29,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99405 conditions, 6140 events. 3121/6140 cut-off events. For 503299/503313 co-relation queries the response was YES. Maximal size of possible extension queue 784. Compared 50545 event pairs, 231 based on Foata normal form. 11/6149 useless extension candidates. Maximal degree in co-relation 99048. Up to 4716 conditions per place. [2021-06-11 23:05:29,388 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2757 selfloop transitions, 868 changer transitions 11/3644 dead transitions. [2021-06-11 23:05:29,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1041 places, 3644 transitions, 119577 flow [2021-06-11 23:05:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 23:05:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 23:05:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1182 transitions. [2021-06-11 23:05:29,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4443609022556391 [2021-06-11 23:05:29,390 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1182 transitions. [2021-06-11 23:05:29,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1182 transitions. [2021-06-11 23:05:29,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:05:29,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1182 transitions. [2021-06-11 23:05:29,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 31.105263157894736) internal successors, (1182), 38 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:29,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:29,392 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:29,392 INFO L185 Difference]: Start difference. First operand has 1004 places, 3466 transitions, 106845 flow. Second operand 38 states and 1182 transitions. [2021-06-11 23:05:29,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1041 places, 3644 transitions, 119577 flow [2021-06-11 23:05:35,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 3644 transitions, 118427 flow, removed 513 selfloop flow, removed 14 redundant places. [2021-06-11 23:05:35,796 INFO L241 Difference]: Finished difference. Result has 1037 places, 3573 transitions, 111313 flow [2021-06-11 23:05:35,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=106130, PETRI_DIFFERENCE_MINUEND_PLACES=990, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=763, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=111313, PETRI_PLACES=1037, PETRI_TRANSITIONS=3573} [2021-06-11 23:05:35,798 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 998 predicate places. [2021-06-11 23:05:35,798 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:05:35,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1037 places, 3573 transitions, 111313 flow [2021-06-11 23:05:35,798 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1037 places, 3573 transitions, 111313 flow [2021-06-11 23:05:35,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1036 places, 3573 transitions, 111313 flow [2021-06-11 23:05:38,558 INFO L129 PetriNetUnfolder]: 2963/5883 cut-off events. [2021-06-11 23:05:38,559 INFO L130 PetriNetUnfolder]: For 448423/448630 co-relation queries the response was YES. [2021-06-11 23:05:38,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91563 conditions, 5883 events. 2963/5883 cut-off events. For 448423/448630 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 49709 event pairs, 147 based on Foata normal form. 14/5848 useless extension candidates. Maximal degree in co-relation 91203. Up to 2074 conditions per place. [2021-06-11 23:05:38,884 INFO L151 LiptonReduction]: Number of co-enabled transitions 2524 [2021-06-11 23:05:40,241 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:05:40,241 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:05:40,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4443 [2021-06-11 23:05:40,241 INFO L480 AbstractCegarLoop]: Abstraction has has 1036 places, 3573 transitions, 111313 flow [2021-06-11 23:05:40,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:05:40,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:05:40,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:05:40,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-06-11 23:05:40,242 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:05:40,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:05:40,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1065677500, now seen corresponding path program 4 times [2021-06-11 23:05:40,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:05:40,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688690400] [2021-06-11 23:05:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:05:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:05:40,261 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:05:40,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:05:40,266 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:05:40,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:40,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:40,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:40,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:05:40,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:40,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:05:40,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:40,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:05:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:05:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:05:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:05:40,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:05:40,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:05:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:05:40,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688690400] [2021-06-11 23:05:40,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:05:40,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:05:40,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955430027] [2021-06-11 23:05:40,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:05:40,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:05:40,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:05:40,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:05:40,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:05:40,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 3573 transitions, 111313 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:05:40,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:05:40,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:05:40,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:05:48,652 INFO L129 PetriNetUnfolder]: 3128/6177 cut-off events. [2021-06-11 23:05:48,652 INFO L130 PetriNetUnfolder]: For 518700/518714 co-relation queries the response was YES. [2021-06-11 23:05:48,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100830 conditions, 6177 events. 3128/6177 cut-off events. For 518700/518714 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 51112 event pairs, 227 based on Foata normal form. 11/6186 useless extension candidates. Maximal degree in co-relation 100465. Up to 4652 conditions per place. [2021-06-11 23:05:48,831 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2680 selfloop transitions, 968 changer transitions 11/3667 dead transitions. [2021-06-11 23:05:48,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1073 places, 3667 transitions, 121689 flow [2021-06-11 23:05:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 23:05:48,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 23:05:48,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1176 transitions. [2021-06-11 23:05:48,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4421052631578947 [2021-06-11 23:05:48,833 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1176 transitions. [2021-06-11 23:05:48,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1176 transitions. [2021-06-11 23:05:48,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:05:48,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1176 transitions. [2021-06-11 23:05:48,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 30.94736842105263) internal successors, (1176), 38 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:48,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:48,835 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:05:48,835 INFO L185 Difference]: Start difference. First operand has 1036 places, 3573 transitions, 111313 flow. Second operand 38 states and 1176 transitions. [2021-06-11 23:05:48,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1073 places, 3667 transitions, 121689 flow [2021-06-11 23:05:55,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1053 places, 3667 transitions, 120140 flow, removed 361 selfloop flow, removed 20 redundant places. [2021-06-11 23:05:55,753 INFO L241 Difference]: Finished difference. Result has 1061 places, 3604 transitions, 112969 flow [2021-06-11 23:05:55,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=109794, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=936, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=112969, PETRI_PLACES=1061, PETRI_TRANSITIONS=3604} [2021-06-11 23:05:55,755 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1022 predicate places. [2021-06-11 23:05:55,755 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:05:55,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1061 places, 3604 transitions, 112969 flow [2021-06-11 23:05:55,755 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1061 places, 3604 transitions, 112969 flow [2021-06-11 23:05:55,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1060 places, 3604 transitions, 112969 flow [2021-06-11 23:05:58,585 INFO L129 PetriNetUnfolder]: 2969/5937 cut-off events. [2021-06-11 23:05:58,585 INFO L130 PetriNetUnfolder]: For 435075/435334 co-relation queries the response was YES. [2021-06-11 23:05:58,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92779 conditions, 5937 events. 2969/5937 cut-off events. For 435075/435334 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 50605 event pairs, 156 based on Foata normal form. 7/5885 useless extension candidates. Maximal degree in co-relation 92410. Up to 2073 conditions per place. [2021-06-11 23:05:58,791 INFO L151 LiptonReduction]: Number of co-enabled transitions 2596 [2021-06-11 23:06:00,172 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:06:00,172 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:06:00,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4417 [2021-06-11 23:06:00,172 INFO L480 AbstractCegarLoop]: Abstraction has has 1060 places, 3604 transitions, 112969 flow [2021-06-11 23:06:00,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:06:00,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:06:00,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:06:00,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-06-11 23:06:00,173 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:06:00,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:06:00,173 INFO L82 PathProgramCache]: Analyzing trace with hash -306592987, now seen corresponding path program 4 times [2021-06-11 23:06:00,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:06:00,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414976398] [2021-06-11 23:06:00,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:06:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:06:00,183 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:06:00,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:06:00,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:06:00,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:06:00,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:06:00,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:06:00,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:00,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:06:00,294 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:06:00,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:06:00,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:06:00,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:06:00,320 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:06:00,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:06:00,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414976398] [2021-06-11 23:06:00,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:06:00,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:06:00,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028649129] [2021-06-11 23:06:00,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:06:00,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:06:00,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:06:00,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:06:00,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:06:00,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1060 places, 3604 transitions, 112969 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:00,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:06:00,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:06:00,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:06:08,518 INFO L129 PetriNetUnfolder]: 3203/6362 cut-off events. [2021-06-11 23:06:08,518 INFO L130 PetriNetUnfolder]: For 515792/515801 co-relation queries the response was YES. [2021-06-11 23:06:08,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104019 conditions, 6362 events. 3203/6362 cut-off events. For 515792/515801 co-relation queries the response was YES. Maximal size of possible extension queue 825. Compared 53481 event pairs, 134 based on Foata normal form. 8/6368 useless extension candidates. Maximal degree in co-relation 103645. Up to 4812 conditions per place. [2021-06-11 23:06:08,703 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 2806 selfloop transitions, 977 changer transitions 3/3794 dead transitions. [2021-06-11 23:06:08,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1095 places, 3794 transitions, 126022 flow [2021-06-11 23:06:08,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-11 23:06:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-06-11 23:06:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 1113 transitions. [2021-06-11 23:06:08,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2021-06-11 23:06:08,704 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 1113 transitions. [2021-06-11 23:06:08,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 1113 transitions. [2021-06-11 23:06:08,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:06:08,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 1113 transitions. [2021-06-11 23:06:08,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 30.916666666666668) internal successors, (1113), 36 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:08,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 70.0) internal successors, (2590), 37 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:08,707 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 70.0) internal successors, (2590), 37 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:08,707 INFO L185 Difference]: Start difference. First operand has 1060 places, 3604 transitions, 112969 flow. Second operand 36 states and 1113 transitions. [2021-06-11 23:06:08,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1095 places, 3794 transitions, 126022 flow [2021-06-11 23:06:15,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1071 places, 3794 transitions, 124037 flow, removed 286 selfloop flow, removed 24 redundant places. [2021-06-11 23:06:15,445 INFO L241 Difference]: Finished difference. Result has 1079 places, 3726 transitions, 116753 flow [2021-06-11 23:06:15,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=111259, PETRI_DIFFERENCE_MINUEND_PLACES=1036, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=854, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=116753, PETRI_PLACES=1079, PETRI_TRANSITIONS=3726} [2021-06-11 23:06:15,447 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1040 predicate places. [2021-06-11 23:06:15,447 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:06:15,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1079 places, 3726 transitions, 116753 flow [2021-06-11 23:06:15,448 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1079 places, 3726 transitions, 116753 flow [2021-06-11 23:06:15,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1078 places, 3726 transitions, 116753 flow [2021-06-11 23:06:18,461 INFO L129 PetriNetUnfolder]: 3062/6167 cut-off events. [2021-06-11 23:06:18,461 INFO L130 PetriNetUnfolder]: For 438954/439300 co-relation queries the response was YES. [2021-06-11 23:06:18,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95872 conditions, 6167 events. 3062/6167 cut-off events. For 438954/439300 co-relation queries the response was YES. Maximal size of possible extension queue 836. Compared 53299 event pairs, 150 based on Foata normal form. 9/6122 useless extension candidates. Maximal degree in co-relation 95502. Up to 2066 conditions per place. [2021-06-11 23:06:18,883 INFO L151 LiptonReduction]: Number of co-enabled transitions 2738 [2021-06-11 23:06:20,341 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:06:20,341 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:06:20,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4894 [2021-06-11 23:06:20,341 INFO L480 AbstractCegarLoop]: Abstraction has has 1078 places, 3726 transitions, 116753 flow [2021-06-11 23:06:20,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:20,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:06:20,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:06:20,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-06-11 23:06:20,342 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:06:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:06:20,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1541861140, now seen corresponding path program 5 times [2021-06-11 23:06:20,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:06:20,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128262320] [2021-06-11 23:06:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:06:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:06:20,361 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:06:20,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:06:20,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:06:20,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:06:20,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:06:20,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:20,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:20,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:06:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:06:20,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:06:20,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:06:20,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:06:20,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:20,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:06:20,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:06:20,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:06:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:06:20,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128262320] [2021-06-11 23:06:20,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:06:20,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:06:20,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439579845] [2021-06-11 23:06:20,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:06:20,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:06:20,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:06:20,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:06:20,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:06:20,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1078 places, 3726 transitions, 116753 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:06:20,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:06:20,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:06:20,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:06:29,525 INFO L129 PetriNetUnfolder]: 3226/6465 cut-off events. [2021-06-11 23:06:29,525 INFO L130 PetriNetUnfolder]: For 529578/529585 co-relation queries the response was YES. [2021-06-11 23:06:29,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105609 conditions, 6465 events. 3226/6465 cut-off events. For 529578/529585 co-relation queries the response was YES. Maximal size of possible extension queue 838. Compared 54875 event pairs, 238 based on Foata normal form. 6/6469 useless extension candidates. Maximal degree in co-relation 105234. Up to 5170 conditions per place. [2021-06-11 23:06:29,716 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3100 selfloop transitions, 724 changer transitions 15/3847 dead transitions. [2021-06-11 23:06:29,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1115 places, 3847 transitions, 128309 flow [2021-06-11 23:06:29,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 23:06:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 23:06:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1161 transitions. [2021-06-11 23:06:29,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43646616541353384 [2021-06-11 23:06:29,722 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1161 transitions. [2021-06-11 23:06:29,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1161 transitions. [2021-06-11 23:06:29,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:06:29,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1161 transitions. [2021-06-11 23:06:29,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 30.55263157894737) internal successors, (1161), 38 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:29,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:29,724 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:29,724 INFO L185 Difference]: Start difference. First operand has 1078 places, 3726 transitions, 116753 flow. Second operand 38 states and 1161 transitions. [2021-06-11 23:06:29,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1115 places, 3847 transitions, 128309 flow [2021-06-11 23:06:36,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1090 places, 3847 transitions, 126575 flow, removed 129 selfloop flow, removed 25 redundant places. [2021-06-11 23:06:36,997 INFO L241 Difference]: Finished difference. Result has 1101 places, 3780 transitions, 118726 flow [2021-06-11 23:06:36,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=115108, PETRI_DIFFERENCE_MINUEND_PLACES=1053, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=663, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3005, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=118726, PETRI_PLACES=1101, PETRI_TRANSITIONS=3780} [2021-06-11 23:06:36,999 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1062 predicate places. [2021-06-11 23:06:36,999 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:06:36,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1101 places, 3780 transitions, 118726 flow [2021-06-11 23:06:36,999 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1101 places, 3780 transitions, 118726 flow [2021-06-11 23:06:37,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1099 places, 3780 transitions, 118726 flow [2021-06-11 23:06:40,116 INFO L129 PetriNetUnfolder]: 3062/6240 cut-off events. [2021-06-11 23:06:40,117 INFO L130 PetriNetUnfolder]: For 444636/444957 co-relation queries the response was YES. [2021-06-11 23:06:40,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96430 conditions, 6240 events. 3062/6240 cut-off events. For 444636/444957 co-relation queries the response was YES. Maximal size of possible extension queue 858. Compared 54941 event pairs, 151 based on Foata normal form. 9/6206 useless extension candidates. Maximal degree in co-relation 96051. Up to 2054 conditions per place. [2021-06-11 23:06:40,487 INFO L151 LiptonReduction]: Number of co-enabled transitions 2768 [2021-06-11 23:06:41,989 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:06:41,989 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:06:41,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4990 [2021-06-11 23:06:41,989 INFO L480 AbstractCegarLoop]: Abstraction has has 1099 places, 3780 transitions, 118726 flow [2021-06-11 23:06:41,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:06:41,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:06:41,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:06:41,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-06-11 23:06:41,990 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:06:41,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:06:41,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1239402618, now seen corresponding path program 6 times [2021-06-11 23:06:41,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:06:41,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924850120] [2021-06-11 23:06:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:06:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:06:41,998 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:06:41,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:06:42,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:06:42,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:06:42,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:06:42,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:42,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:42,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:42,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:42,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:06:42,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:06:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:06:42,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:06:42,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:06:42,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:06:42,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:06:42,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:06:42,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:06:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:06:42,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924850120] [2021-06-11 23:06:42,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:06:42,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:06:42,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541650408] [2021-06-11 23:06:42,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:06:42,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:06:42,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:06:42,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:06:42,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:06:42,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1099 places, 3780 transitions, 118726 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:06:42,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:06:42,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:06:42,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:06:51,015 INFO L129 PetriNetUnfolder]: 3222/6478 cut-off events. [2021-06-11 23:06:51,016 INFO L130 PetriNetUnfolder]: For 521495/521509 co-relation queries the response was YES. [2021-06-11 23:06:51,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105638 conditions, 6478 events. 3222/6478 cut-off events. For 521495/521509 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 55162 event pairs, 245 based on Foata normal form. 11/6487 useless extension candidates. Maximal degree in co-relation 105249. Up to 5171 conditions per place. [2021-06-11 23:06:51,242 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3007 selfloop transitions, 789 changer transitions 11/3815 dead transitions. [2021-06-11 23:06:51,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1127 places, 3815 transitions, 127692 flow [2021-06-11 23:06:51,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 23:06:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 23:06:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 888 transitions. [2021-06-11 23:06:51,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4374384236453202 [2021-06-11 23:06:51,244 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 888 transitions. [2021-06-11 23:06:51,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 888 transitions. [2021-06-11 23:06:51,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:06:51,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 888 transitions. [2021-06-11 23:06:51,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 30.620689655172413) internal successors, (888), 29 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:51,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 70.0) internal successors, (2100), 30 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:51,246 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 70.0) internal successors, (2100), 30 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:06:51,246 INFO L185 Difference]: Start difference. First operand has 1099 places, 3780 transitions, 118726 flow. Second operand 29 states and 888 transitions. [2021-06-11 23:06:51,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1127 places, 3815 transitions, 127692 flow [2021-06-11 23:06:58,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1106 places, 3815 transitions, 126531 flow, removed 64 selfloop flow, removed 21 redundant places. [2021-06-11 23:06:58,838 INFO L241 Difference]: Finished difference. Result has 1114 places, 3794 transitions, 119573 flow [2021-06-11 23:06:58,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=117577, PETRI_DIFFERENCE_MINUEND_PLACES=1078, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=775, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=119573, PETRI_PLACES=1114, PETRI_TRANSITIONS=3794} [2021-06-11 23:06:58,840 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1075 predicate places. [2021-06-11 23:06:58,840 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:06:58,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1114 places, 3794 transitions, 119573 flow [2021-06-11 23:06:58,840 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1114 places, 3794 transitions, 119573 flow [2021-06-11 23:06:58,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1112 places, 3794 transitions, 119573 flow [2021-06-11 23:07:01,971 INFO L129 PetriNetUnfolder]: 3054/6262 cut-off events. [2021-06-11 23:07:01,971 INFO L130 PetriNetUnfolder]: For 451079/451288 co-relation queries the response was YES. [2021-06-11 23:07:02,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96947 conditions, 6262 events. 3054/6262 cut-off events. For 451079/451288 co-relation queries the response was YES. Maximal size of possible extension queue 852. Compared 55199 event pairs, 165 based on Foata normal form. 7/6225 useless extension candidates. Maximal degree in co-relation 96572. Up to 2050 conditions per place. [2021-06-11 23:07:02,285 INFO L151 LiptonReduction]: Number of co-enabled transitions 2810 [2021-06-11 23:07:03,785 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:07:03,786 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:07:03,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4946 [2021-06-11 23:07:03,786 INFO L480 AbstractCegarLoop]: Abstraction has has 1112 places, 3794 transitions, 119573 flow [2021-06-11 23:07:03,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:07:03,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:07:03,786 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:07:03,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-06-11 23:07:03,786 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:07:03,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:07:03,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1456721989, now seen corresponding path program 5 times [2021-06-11 23:07:03,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:07:03,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453473177] [2021-06-11 23:07:03,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:07:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:07:03,795 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:07:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:07:03,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:07:03,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:07:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:07:03,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:03,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:03,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:03,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:03,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:07:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:07:03,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:07:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:07:03,926 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:07:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:07:03,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453473177] [2021-06-11 23:07:03,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:07:03,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 23:07:03,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726535935] [2021-06-11 23:07:03,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 23:07:03,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:07:03,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 23:07:03,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-06-11 23:07:03,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:07:03,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1112 places, 3794 transitions, 119573 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:03,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:07:03,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:07:03,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:07:13,259 INFO L129 PetriNetUnfolder]: 3251/6559 cut-off events. [2021-06-11 23:07:13,260 INFO L130 PetriNetUnfolder]: For 527939/527953 co-relation queries the response was YES. [2021-06-11 23:07:13,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106992 conditions, 6559 events. 3251/6559 cut-off events. For 527939/527953 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 56149 event pairs, 245 based on Foata normal form. 11/6568 useless extension candidates. Maximal degree in co-relation 106615. Up to 5247 conditions per place. [2021-06-11 23:07:13,553 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3075 selfloop transitions, 816 changer transitions 2/3901 dead transitions. [2021-06-11 23:07:13,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1148 places, 3901 transitions, 130791 flow [2021-06-11 23:07:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 23:07:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 23:07:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1146 transitions. [2021-06-11 23:07:13,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44247104247104246 [2021-06-11 23:07:13,555 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1146 transitions. [2021-06-11 23:07:13,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1146 transitions. [2021-06-11 23:07:13,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:07:13,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1146 transitions. [2021-06-11 23:07:13,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 30.972972972972972) internal successors, (1146), 37 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:13,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:13,557 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:13,557 INFO L185 Difference]: Start difference. First operand has 1112 places, 3794 transitions, 119573 flow. Second operand 37 states and 1146 transitions. [2021-06-11 23:07:13,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1148 places, 3901 transitions, 130791 flow [2021-06-11 23:07:20,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1128 places, 3901 transitions, 129636 flow, removed 147 selfloop flow, removed 20 redundant places. [2021-06-11 23:07:20,928 INFO L241 Difference]: Finished difference. Result has 1138 places, 3841 transitions, 121680 flow [2021-06-11 23:07:20,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=118428, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=768, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3008, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=121680, PETRI_PLACES=1138, PETRI_TRANSITIONS=3841} [2021-06-11 23:07:20,931 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1099 predicate places. [2021-06-11 23:07:20,931 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:07:20,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1138 places, 3841 transitions, 121680 flow [2021-06-11 23:07:20,931 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1138 places, 3841 transitions, 121680 flow [2021-06-11 23:07:20,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1137 places, 3841 transitions, 121680 flow [2021-06-11 23:07:24,450 INFO L129 PetriNetUnfolder]: 3111/6380 cut-off events. [2021-06-11 23:07:24,450 INFO L130 PetriNetUnfolder]: For 471163/471368 co-relation queries the response was YES. [2021-06-11 23:07:24,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99384 conditions, 6380 events. 3111/6380 cut-off events. For 471163/471368 co-relation queries the response was YES. Maximal size of possible extension queue 882. Compared 56684 event pairs, 158 based on Foata normal form. 7/6320 useless extension candidates. Maximal degree in co-relation 98973. Up to 2115 conditions per place. [2021-06-11 23:07:24,847 INFO L151 LiptonReduction]: Number of co-enabled transitions 2856 [2021-06-11 23:07:26,563 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:07:26,563 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:07:26,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5633 [2021-06-11 23:07:26,564 INFO L480 AbstractCegarLoop]: Abstraction has has 1137 places, 3841 transitions, 121680 flow [2021-06-11 23:07:26,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:26,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:07:26,564 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] [2021-06-11 23:07:26,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-06-11 23:07:26,564 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:07:26,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:07:26,565 INFO L82 PathProgramCache]: Analyzing trace with hash -721567606, now seen corresponding path program 7 times [2021-06-11 23:07:26,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:07:26,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609826763] [2021-06-11 23:07:26,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:07:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:07:26,574 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:07:26,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:07:26,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:07:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:07:26,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:07:26,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:26,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:26,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:26,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:26,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:26,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:07:26,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:07:26,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:07:26,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:07:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:07:26,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:07:26,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:07:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:07:26,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609826763] [2021-06-11 23:07:26,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:07:26,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:07:26,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876499733] [2021-06-11 23:07:26,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:07:26,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:07:26,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:07:26,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:07:26,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:07:26,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1137 places, 3841 transitions, 121680 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:26,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:07:26,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:07:26,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:07:36,265 INFO L129 PetriNetUnfolder]: 3265/6650 cut-off events. [2021-06-11 23:07:36,265 INFO L130 PetriNetUnfolder]: For 543805/543819 co-relation queries the response was YES. [2021-06-11 23:07:36,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108696 conditions, 6650 events. 3265/6650 cut-off events. For 543805/543819 co-relation queries the response was YES. Maximal size of possible extension queue 868. Compared 57586 event pairs, 244 based on Foata normal form. 12/6660 useless extension candidates. Maximal degree in co-relation 108276. Up to 5250 conditions per place. [2021-06-11 23:07:36,580 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3123 selfloop transitions, 796 changer transitions 15/3942 dead transitions. [2021-06-11 23:07:36,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1167 places, 3942 transitions, 132760 flow [2021-06-11 23:07:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-11 23:07:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-06-11 23:07:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 961 transitions. [2021-06-11 23:07:36,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2021-06-11 23:07:36,581 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 961 transitions. [2021-06-11 23:07:36,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 961 transitions. [2021-06-11 23:07:36,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:07:36,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 961 transitions. [2021-06-11 23:07:36,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 31.0) internal successors, (961), 31 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:36,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 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) [2021-06-11 23:07:36,583 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 70.0) internal successors, (2240), 32 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) [2021-06-11 23:07:36,583 INFO L185 Difference]: Start difference. First operand has 1137 places, 3841 transitions, 121680 flow. Second operand 31 states and 961 transitions. [2021-06-11 23:07:36,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1167 places, 3942 transitions, 132760 flow [2021-06-11 23:07:44,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1147 places, 3942 transitions, 130917 flow, removed 279 selfloop flow, removed 20 redundant places. [2021-06-11 23:07:44,812 INFO L241 Difference]: Finished difference. Result has 1158 places, 3880 transitions, 122796 flow [2021-06-11 23:07:44,813 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=119845, PETRI_DIFFERENCE_MINUEND_PLACES=1117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=755, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=122796, PETRI_PLACES=1158, PETRI_TRANSITIONS=3880} [2021-06-11 23:07:44,813 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1119 predicate places. [2021-06-11 23:07:44,813 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:07:44,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1158 places, 3880 transitions, 122796 flow [2021-06-11 23:07:44,814 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1158 places, 3880 transitions, 122796 flow [2021-06-11 23:07:44,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1154 places, 3880 transitions, 122796 flow [2021-06-11 23:07:47,884 INFO L129 PetriNetUnfolder]: 3102/6411 cut-off events. [2021-06-11 23:07:47,884 INFO L130 PetriNetUnfolder]: For 462567/462748 co-relation queries the response was YES. [2021-06-11 23:07:48,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99109 conditions, 6411 events. 3102/6411 cut-off events. For 462567/462748 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 57166 event pairs, 154 based on Foata normal form. 7/6365 useless extension candidates. Maximal degree in co-relation 98711. Up to 2007 conditions per place. [2021-06-11 23:07:48,265 INFO L151 LiptonReduction]: Number of co-enabled transitions 2838 [2021-06-11 23:07:49,821 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:07:49,821 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:07:49,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5008 [2021-06-11 23:07:49,821 INFO L480 AbstractCegarLoop]: Abstraction has has 1154 places, 3880 transitions, 122796 flow [2021-06-11 23:07:49,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:49,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:07:49,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:07:49,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-06-11 23:07:49,822 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:07:49,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:07:49,822 INFO L82 PathProgramCache]: Analyzing trace with hash -886447047, now seen corresponding path program 6 times [2021-06-11 23:07:49,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:07:49,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022615148] [2021-06-11 23:07:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:07:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:07:49,830 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:07:49,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:07:49,835 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:07:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:07:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:07:49,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:49,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:49,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:49,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:49,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:49,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:49,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:49,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:49,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:07:49,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:07:49,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:07:49,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:07:49,962 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:07:49,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:07:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:07:49,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022615148] [2021-06-11 23:07:49,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:07:49,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:07:49,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113264059] [2021-06-11 23:07:49,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:07:49,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:07:49,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:07:49,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:07:49,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:07:49,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1154 places, 3880 transitions, 122796 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:49,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:07:49,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:07:49,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:07:58,861 INFO L129 PetriNetUnfolder]: 3259/6616 cut-off events. [2021-06-11 23:07:58,861 INFO L130 PetriNetUnfolder]: For 534776/534790 co-relation queries the response was YES. [2021-06-11 23:07:59,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108060 conditions, 6616 events. 3259/6616 cut-off events. For 534776/534790 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 57136 event pairs, 241 based on Foata normal form. 11/6625 useless extension candidates. Maximal degree in co-relation 107658. Up to 5289 conditions per place. [2021-06-11 23:07:59,063 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3108 selfloop transitions, 817 changer transitions 2/3935 dead transitions. [2021-06-11 23:07:59,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1191 places, 3935 transitions, 132546 flow [2021-06-11 23:07:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-11 23:07:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-11 23:07:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1173 transitions. [2021-06-11 23:07:59,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4409774436090226 [2021-06-11 23:07:59,065 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1173 transitions. [2021-06-11 23:07:59,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1173 transitions. [2021-06-11 23:07:59,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:07:59,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1173 transitions. [2021-06-11 23:07:59,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 30.86842105263158) internal successors, (1173), 38 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:59,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:59,067 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 70.0) internal successors, (2730), 39 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:07:59,067 INFO L185 Difference]: Start difference. First operand has 1154 places, 3880 transitions, 122796 flow. Second operand 38 states and 1173 transitions. [2021-06-11 23:07:59,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1191 places, 3935 transitions, 132546 flow [2021-06-11 23:08:06,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1171 places, 3935 transitions, 131583 flow, removed 49 selfloop flow, removed 20 redundant places. [2021-06-11 23:08:06,591 INFO L241 Difference]: Finished difference. Result has 1173 places, 3879 transitions, 123465 flow [2021-06-11 23:08:06,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=121847, PETRI_DIFFERENCE_MINUEND_PLACES=1134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=817, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3063, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=123465, PETRI_PLACES=1173, PETRI_TRANSITIONS=3879} [2021-06-11 23:08:06,593 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1134 predicate places. [2021-06-11 23:08:06,593 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:08:06,594 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1173 places, 3879 transitions, 123465 flow [2021-06-11 23:08:06,594 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1173 places, 3879 transitions, 123465 flow [2021-06-11 23:08:06,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1172 places, 3879 transitions, 123465 flow [2021-06-11 23:08:09,893 INFO L129 PetriNetUnfolder]: 3105/6409 cut-off events. [2021-06-11 23:08:09,893 INFO L130 PetriNetUnfolder]: For 459061/459387 co-relation queries the response was YES. [2021-06-11 23:08:10,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99612 conditions, 6409 events. 3105/6409 cut-off events. For 459061/459387 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 57187 event pairs, 150 based on Foata normal form. 6/6360 useless extension candidates. Maximal degree in co-relation 99194. Up to 2015 conditions per place. [2021-06-11 23:08:10,234 INFO L151 LiptonReduction]: Number of co-enabled transitions 2838 [2021-06-11 23:08:11,784 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:08:11,784 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:08:11,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5191 [2021-06-11 23:08:11,785 INFO L480 AbstractCegarLoop]: Abstraction has has 1172 places, 3879 transitions, 123465 flow [2021-06-11 23:08:11,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:11,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:08:11,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:08:11,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-06-11 23:08:11,785 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:08:11,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:08:11,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1737026257, now seen corresponding path program 7 times [2021-06-11 23:08:11,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:08:11,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657831430] [2021-06-11 23:08:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:08:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:08:11,793 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:08:11,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:08:11,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:08:11,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:08:11,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:08:11,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:11,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:11,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:11,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:11,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:11,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:11,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:11,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:11,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:11,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:11,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:08:11,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:08:11,930 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:08:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:08:11,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657831430] [2021-06-11 23:08:11,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:08:11,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:08:11,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981621126] [2021-06-11 23:08:11,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:08:11,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:08:11,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:08:11,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:08:11,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:08:11,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1172 places, 3879 transitions, 123465 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:11,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:08:11,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:08:11,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:08:21,239 INFO L129 PetriNetUnfolder]: 3263/6644 cut-off events. [2021-06-11 23:08:21,239 INFO L130 PetriNetUnfolder]: For 527436/527450 co-relation queries the response was YES. [2021-06-11 23:08:21,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108874 conditions, 6644 events. 3263/6644 cut-off events. For 527436/527450 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 57514 event pairs, 243 based on Foata normal form. 11/6653 useless extension candidates. Maximal degree in co-relation 108447. Up to 5308 conditions per place. [2021-06-11 23:08:21,467 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3192 selfloop transitions, 739 changer transitions 2/3941 dead transitions. [2021-06-11 23:08:21,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1203 places, 3941 transitions, 133193 flow [2021-06-11 23:08:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-11 23:08:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-11 23:08:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 998 transitions. [2021-06-11 23:08:21,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4455357142857143 [2021-06-11 23:08:21,469 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 998 transitions. [2021-06-11 23:08:21,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 998 transitions. [2021-06-11 23:08:21,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:08:21,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 998 transitions. [2021-06-11 23:08:21,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 31.1875) internal successors, (998), 32 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:21,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 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) [2021-06-11 23:08:21,471 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 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) [2021-06-11 23:08:21,471 INFO L185 Difference]: Start difference. First operand has 1172 places, 3879 transitions, 123465 flow. Second operand 32 states and 998 transitions. [2021-06-11 23:08:21,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1203 places, 3941 transitions, 133193 flow [2021-06-11 23:08:29,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1174 places, 3941 transitions, 132037 flow, removed 6 selfloop flow, removed 29 redundant places. [2021-06-11 23:08:29,577 INFO L241 Difference]: Finished difference. Result has 1179 places, 3887 transitions, 124079 flow [2021-06-11 23:08:29,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=122315, PETRI_DIFFERENCE_MINUEND_PLACES=1143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3879, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=730, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=124079, PETRI_PLACES=1179, PETRI_TRANSITIONS=3887} [2021-06-11 23:08:29,579 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1140 predicate places. [2021-06-11 23:08:29,580 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:08:29,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1179 places, 3887 transitions, 124079 flow [2021-06-11 23:08:29,580 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1179 places, 3887 transitions, 124079 flow [2021-06-11 23:08:29,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1178 places, 3887 transitions, 124079 flow [2021-06-11 23:08:32,997 INFO L129 PetriNetUnfolder]: 3111/6462 cut-off events. [2021-06-11 23:08:32,997 INFO L130 PetriNetUnfolder]: For 446655/446813 co-relation queries the response was YES. [2021-06-11 23:08:33,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99884 conditions, 6462 events. 3111/6462 cut-off events. For 446655/446813 co-relation queries the response was YES. Maximal size of possible extension queue 880. Compared 57934 event pairs, 158 based on Foata normal form. 4/6429 useless extension candidates. Maximal degree in co-relation 99463. Up to 2018 conditions per place. [2021-06-11 23:08:33,356 INFO L151 LiptonReduction]: Number of co-enabled transitions 2854 [2021-06-11 23:08:34,962 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:08:34,962 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:08:34,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5383 [2021-06-11 23:08:34,962 INFO L480 AbstractCegarLoop]: Abstraction has has 1178 places, 3887 transitions, 124079 flow [2021-06-11 23:08:34,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:34,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:08:34,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:08:34,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-06-11 23:08:34,962 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:08:34,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:08:34,963 INFO L82 PathProgramCache]: Analyzing trace with hash 81765573, now seen corresponding path program 8 times [2021-06-11 23:08:34,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:08:34,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17791554] [2021-06-11 23:08:34,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:08:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:08:34,971 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:08:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:08:34,975 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:08:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:08:34,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:08:34,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:34,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:34,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:35,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:35,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:35,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:08:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:08:35,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:35,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:35,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:35,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:08:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:08:35,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:08:35,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:08:35,119 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:08:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:08:35,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17791554] [2021-06-11 23:08:35,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:08:35,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:08:35,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525615941] [2021-06-11 23:08:35,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:08:35,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:08:35,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:08:35,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:08:35,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:08:35,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1178 places, 3887 transitions, 124079 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:08:35,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:08:35,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:08:35,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:08:44,724 INFO L129 PetriNetUnfolder]: 3341/6868 cut-off events. [2021-06-11 23:08:44,724 INFO L130 PetriNetUnfolder]: For 537532/537546 co-relation queries the response was YES. [2021-06-11 23:08:44,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111299 conditions, 6868 events. 3341/6868 cut-off events. For 537532/537546 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 60525 event pairs, 239 based on Foata normal form. 11/6877 useless extension candidates. Maximal degree in co-relation 110869. Up to 5363 conditions per place. [2021-06-11 23:08:45,052 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3332 selfloop transitions, 727 changer transitions 3/4070 dead transitions. [2021-06-11 23:08:45,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1211 places, 4070 transitions, 136732 flow [2021-06-11 23:08:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 23:08:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 23:08:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1038 transitions. [2021-06-11 23:08:45,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4361344537815126 [2021-06-11 23:08:45,054 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1038 transitions. [2021-06-11 23:08:45,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1038 transitions. [2021-06-11 23:08:45,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:08:45,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1038 transitions. [2021-06-11 23:08:45,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 30.529411764705884) internal successors, (1038), 34 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:45,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:45,056 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:45,056 INFO L185 Difference]: Start difference. First operand has 1178 places, 3887 transitions, 124079 flow. Second operand 34 states and 1038 transitions. [2021-06-11 23:08:45,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1211 places, 4070 transitions, 136732 flow [2021-06-11 23:08:53,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1192 places, 4070 transitions, 135706 flow, removed 9 selfloop flow, removed 19 redundant places. [2021-06-11 23:08:53,367 INFO L241 Difference]: Finished difference. Result has 1205 places, 4007 transitions, 128150 flow [2021-06-11 23:08:53,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=123063, PETRI_DIFFERENCE_MINUEND_PLACES=1159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3887, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=612, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=128150, PETRI_PLACES=1205, PETRI_TRANSITIONS=4007} [2021-06-11 23:08:53,369 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1166 predicate places. [2021-06-11 23:08:53,369 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:08:53,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1205 places, 4007 transitions, 128150 flow [2021-06-11 23:08:53,369 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1205 places, 4007 transitions, 128150 flow [2021-06-11 23:08:53,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1204 places, 4007 transitions, 128150 flow [2021-06-11 23:08:57,467 INFO L129 PetriNetUnfolder]: 3173/6652 cut-off events. [2021-06-11 23:08:57,467 INFO L130 PetriNetUnfolder]: For 456039/456352 co-relation queries the response was YES. [2021-06-11 23:08:57,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102528 conditions, 6652 events. 3173/6652 cut-off events. For 456039/456352 co-relation queries the response was YES. Maximal size of possible extension queue 915. Compared 60483 event pairs, 165 based on Foata normal form. 9/6612 useless extension candidates. Maximal degree in co-relation 102096. Up to 2111 conditions per place. [2021-06-11 23:08:57,719 INFO L151 LiptonReduction]: Number of co-enabled transitions 3088 [2021-06-11 23:08:59,529 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:08:59,529 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:08:59,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6160 [2021-06-11 23:08:59,530 INFO L480 AbstractCegarLoop]: Abstraction has has 1204 places, 4007 transitions, 128150 flow [2021-06-11 23:08:59,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:08:59,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:08:59,530 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] [2021-06-11 23:08:59,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-06-11 23:08:59,530 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:08:59,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:08:59,530 INFO L82 PathProgramCache]: Analyzing trace with hash -390914007, now seen corresponding path program 9 times [2021-06-11 23:08:59,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:08:59,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051809646] [2021-06-11 23:08:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:08:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:08:59,538 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:08:59,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:08:59,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:08:59,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:08:59,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:08:59,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:59,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:08:59,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:08:59,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:08:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:08:59,675 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:08:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:08:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:08:59,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051809646] [2021-06-11 23:08:59,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:08:59,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:08:59,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868513941] [2021-06-11 23:08:59,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:08:59,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:08:59,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:08:59,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:08:59,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:08:59,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1204 places, 4007 transitions, 128150 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:08:59,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:08:59,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:08:59,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:09:09,410 INFO L129 PetriNetUnfolder]: 3339/6850 cut-off events. [2021-06-11 23:09:09,410 INFO L130 PetriNetUnfolder]: For 545627/545641 co-relation queries the response was YES. [2021-06-11 23:09:09,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112128 conditions, 6850 events. 3339/6850 cut-off events. For 545627/545641 co-relation queries the response was YES. Maximal size of possible extension queue 897. Compared 60106 event pairs, 247 based on Foata normal form. 11/6859 useless extension candidates. Maximal degree in co-relation 111687. Up to 5529 conditions per place. [2021-06-11 23:09:09,725 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3234 selfloop transitions, 793 changer transitions 2/4037 dead transitions. [2021-06-11 23:09:09,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1230 places, 4037 transitions, 137575 flow [2021-06-11 23:09:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-11 23:09:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-11 23:09:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 849 transitions. [2021-06-11 23:09:09,726 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4492063492063492 [2021-06-11 23:09:09,726 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 849 transitions. [2021-06-11 23:09:09,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 849 transitions. [2021-06-11 23:09:09,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:09:09,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 849 transitions. [2021-06-11 23:09:09,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 31.444444444444443) internal successors, (849), 27 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:09,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 23:09:09,728 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 23:09:09,728 INFO L185 Difference]: Start difference. First operand has 1204 places, 4007 transitions, 128150 flow. Second operand 27 states and 849 transitions. [2021-06-11 23:09:09,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1230 places, 4037 transitions, 137575 flow [2021-06-11 23:09:17,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1212 places, 4037 transitions, 137161 flow, removed 153 selfloop flow, removed 18 redundant places. [2021-06-11 23:09:17,875 INFO L241 Difference]: Finished difference. Result has 1214 places, 4006 transitions, 129312 flow [2021-06-11 23:09:17,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=127740, PETRI_DIFFERENCE_MINUEND_PLACES=1186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4007, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=793, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=129312, PETRI_PLACES=1214, PETRI_TRANSITIONS=4006} [2021-06-11 23:09:17,876 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1175 predicate places. [2021-06-11 23:09:17,876 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:09:17,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1214 places, 4006 transitions, 129312 flow [2021-06-11 23:09:17,876 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1214 places, 4006 transitions, 129312 flow [2021-06-11 23:09:17,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1213 places, 4006 transitions, 129312 flow [2021-06-11 23:09:21,240 INFO L129 PetriNetUnfolder]: 3192/6667 cut-off events. [2021-06-11 23:09:21,240 INFO L130 PetriNetUnfolder]: For 483648/483851 co-relation queries the response was YES. [2021-06-11 23:09:21,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103758 conditions, 6667 events. 3192/6667 cut-off events. For 483648/483851 co-relation queries the response was YES. Maximal size of possible extension queue 927. Compared 60725 event pairs, 159 based on Foata normal form. 7/6627 useless extension candidates. Maximal degree in co-relation 103325. Up to 2097 conditions per place. [2021-06-11 23:09:21,656 INFO L151 LiptonReduction]: Number of co-enabled transitions 3088 [2021-06-11 23:09:23,378 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:09:23,378 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:09:23,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5502 [2021-06-11 23:09:23,379 INFO L480 AbstractCegarLoop]: Abstraction has has 1213 places, 4006 transitions, 129312 flow [2021-06-11 23:09:23,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:23,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:09:23,379 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] [2021-06-11 23:09:23,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-06-11 23:09:23,379 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:09:23,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:09:23,379 INFO L82 PathProgramCache]: Analyzing trace with hash 921599325, now seen corresponding path program 10 times [2021-06-11 23:09:23,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:09:23,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813094162] [2021-06-11 23:09:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:09:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:09:23,388 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:09:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:09:23,393 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:09:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:09:23,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:09:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:23,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:09:23,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:09:23,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:23,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:09:23,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:23,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:09:23,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:09:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:09:23,529 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:09:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:09:23,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813094162] [2021-06-11 23:09:23,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:09:23,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:09:23,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682289655] [2021-06-11 23:09:23,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:09:23,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:09:23,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:09:23,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:09:23,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:09:23,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1213 places, 4006 transitions, 129312 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:23,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:09:23,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:09:23,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:09:32,551 INFO L129 PetriNetUnfolder]: 3377/6984 cut-off events. [2021-06-11 23:09:32,551 INFO L130 PetriNetUnfolder]: For 548690/548704 co-relation queries the response was YES. [2021-06-11 23:09:32,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114043 conditions, 6984 events. 3377/6984 cut-off events. For 548690/548704 co-relation queries the response was YES. Maximal size of possible extension queue 922. Compared 62127 event pairs, 252 based on Foata normal form. 11/6993 useless extension candidates. Maximal degree in co-relation 113601. Up to 5507 conditions per place. [2021-06-11 23:09:32,768 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3257 selfloop transitions, 914 changer transitions 4/4183 dead transitions. [2021-06-11 23:09:32,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1244 places, 4183 transitions, 143097 flow [2021-06-11 23:09:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-11 23:09:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-11 23:09:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 992 transitions. [2021-06-11 23:09:32,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2021-06-11 23:09:32,769 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 992 transitions. [2021-06-11 23:09:32,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 992 transitions. [2021-06-11 23:09:32,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:09:32,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 992 transitions. [2021-06-11 23:09:32,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 31.0) internal successors, (992), 32 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:32,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 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) [2021-06-11 23:09:32,771 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 70.0) internal successors, (2310), 33 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) [2021-06-11 23:09:32,771 INFO L185 Difference]: Start difference. First operand has 1213 places, 4006 transitions, 129312 flow. Second operand 32 states and 992 transitions. [2021-06-11 23:09:32,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1244 places, 4183 transitions, 143097 flow [2021-06-11 23:09:41,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1220 places, 4183 transitions, 141117 flow, removed 19 selfloop flow, removed 24 redundant places. [2021-06-11 23:09:41,334 INFO L241 Difference]: Finished difference. Result has 1233 places, 4132 transitions, 133503 flow [2021-06-11 23:09:41,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=127502, PETRI_DIFFERENCE_MINUEND_PLACES=1189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4006, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=791, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=133503, PETRI_PLACES=1233, PETRI_TRANSITIONS=4132} [2021-06-11 23:09:41,336 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1194 predicate places. [2021-06-11 23:09:41,336 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:09:41,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1233 places, 4132 transitions, 133503 flow [2021-06-11 23:09:41,337 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1233 places, 4132 transitions, 133503 flow [2021-06-11 23:09:41,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1232 places, 4132 transitions, 133503 flow [2021-06-11 23:09:44,871 INFO L129 PetriNetUnfolder]: 3214/6773 cut-off events. [2021-06-11 23:09:44,871 INFO L130 PetriNetUnfolder]: For 489591/489761 co-relation queries the response was YES. [2021-06-11 23:09:45,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105273 conditions, 6773 events. 3214/6773 cut-off events. For 489591/489761 co-relation queries the response was YES. Maximal size of possible extension queue 933. Compared 62195 event pairs, 140 based on Foata normal form. 9/6740 useless extension candidates. Maximal degree in co-relation 104829. Up to 2134 conditions per place. [2021-06-11 23:09:45,128 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 23:09:46,913 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:09:46,913 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:09:46,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5577 [2021-06-11 23:09:46,914 INFO L480 AbstractCegarLoop]: Abstraction has has 1232 places, 4132 transitions, 133503 flow [2021-06-11 23:09:46,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:46,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:09:46,914 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] [2021-06-11 23:09:46,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-06-11 23:09:46,914 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:09:46,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:09:46,914 INFO L82 PathProgramCache]: Analyzing trace with hash 2143858109, now seen corresponding path program 11 times [2021-06-11 23:09:46,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:09:46,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814767661] [2021-06-11 23:09:46,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:09:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:09:46,923 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:09:46,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:09:46,928 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:09:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:09:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:09:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:46,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:46,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:46,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:09:46,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:46,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:09:46,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:47,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:47,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:47,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:09:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:09:47,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:09:47,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:09:47,066 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:09:47,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:09:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:09:47,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814767661] [2021-06-11 23:09:47,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:09:47,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:09:47,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412216121] [2021-06-11 23:09:47,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:09:47,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:09:47,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:09:47,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:09:47,070 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:09:47,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1232 places, 4132 transitions, 133503 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:47,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:09:47,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:09:47,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:09:56,236 INFO L129 PetriNetUnfolder]: 3376/6965 cut-off events. [2021-06-11 23:09:56,237 INFO L130 PetriNetUnfolder]: For 552240/552254 co-relation queries the response was YES. [2021-06-11 23:09:56,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114557 conditions, 6965 events. 3376/6965 cut-off events. For 552240/552254 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 61727 event pairs, 243 based on Foata normal form. 11/6974 useless extension candidates. Maximal degree in co-relation 114104. Up to 5600 conditions per place. [2021-06-11 23:09:56,462 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3432 selfloop transitions, 718 changer transitions 2/4160 dead transitions. [2021-06-11 23:09:56,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1255 places, 4160 transitions, 142890 flow [2021-06-11 23:09:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 23:09:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 23:09:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 762 transitions. [2021-06-11 23:09:56,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45357142857142857 [2021-06-11 23:09:56,463 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 762 transitions. [2021-06-11 23:09:56,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 762 transitions. [2021-06-11 23:09:56,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:09:56,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 762 transitions. [2021-06-11 23:09:56,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.75) internal successors, (762), 24 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:56,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 70.0) internal successors, (1750), 25 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:56,465 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 70.0) internal successors, (1750), 25 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:09:56,465 INFO L185 Difference]: Start difference. First operand has 1232 places, 4132 transitions, 133503 flow. Second operand 24 states and 762 transitions. [2021-06-11 23:09:56,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1255 places, 4160 transitions, 142890 flow [2021-06-11 23:10:05,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1244 places, 4160 transitions, 142607 flow, removed 116 selfloop flow, removed 11 redundant places. [2021-06-11 23:10:05,553 INFO L241 Difference]: Finished difference. Result has 1246 places, 4131 transitions, 134640 flow [2021-06-11 23:10:05,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133224, PETRI_DIFFERENCE_MINUEND_PLACES=1221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=718, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=134640, PETRI_PLACES=1246, PETRI_TRANSITIONS=4131} [2021-06-11 23:10:05,555 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1207 predicate places. [2021-06-11 23:10:05,555 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:10:05,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1246 places, 4131 transitions, 134640 flow [2021-06-11 23:10:05,555 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1246 places, 4131 transitions, 134640 flow [2021-06-11 23:10:05,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1245 places, 4131 transitions, 134640 flow [2021-06-11 23:10:09,363 INFO L129 PetriNetUnfolder]: 3230/6804 cut-off events. [2021-06-11 23:10:09,363 INFO L130 PetriNetUnfolder]: For 490906/491094 co-relation queries the response was YES. [2021-06-11 23:10:09,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106076 conditions, 6804 events. 3230/6804 cut-off events. For 490906/491094 co-relation queries the response was YES. Maximal size of possible extension queue 948. Compared 62591 event pairs, 168 based on Foata normal form. 10/6761 useless extension candidates. Maximal degree in co-relation 105631. Up to 2145 conditions per place. [2021-06-11 23:10:09,624 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 23:10:11,429 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:10:11,429 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:10:11,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5874 [2021-06-11 23:10:11,430 INFO L480 AbstractCegarLoop]: Abstraction has has 1245 places, 4131 transitions, 134640 flow [2021-06-11 23:10:11,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:11,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:10:11,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:10:11,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-06-11 23:10:11,430 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:10:11,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:10:11,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1862786382, now seen corresponding path program 8 times [2021-06-11 23:10:11,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:10:11,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35213569] [2021-06-11 23:10:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:10:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:10:11,442 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:10:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:10:11,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:10:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:10:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:10:11,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:11,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:10:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:11,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 23:10:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:10:11,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:10:11,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:10:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:11,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:10:11,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:10:11,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:10:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:10:11,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35213569] [2021-06-11 23:10:11,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:10:11,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:10:11,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936532061] [2021-06-11 23:10:11,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:10:11,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:10:11,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:10:11,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:10:11,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:10:11,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1245 places, 4131 transitions, 134640 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:11,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:10:11,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:10:11,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:10:21,103 INFO L129 PetriNetUnfolder]: 3375/6968 cut-off events. [2021-06-11 23:10:21,103 INFO L130 PetriNetUnfolder]: For 556633/556647 co-relation queries the response was YES. [2021-06-11 23:10:21,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115082 conditions, 6968 events. 3375/6968 cut-off events. For 556633/556647 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 61826 event pairs, 252 based on Foata normal form. 11/6977 useless extension candidates. Maximal degree in co-relation 114628. Up to 5679 conditions per place. [2021-06-11 23:10:21,426 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3512 selfloop transitions, 640 changer transitions 2/4162 dead transitions. [2021-06-11 23:10:21,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1271 places, 4162 transitions, 144294 flow [2021-06-11 23:10:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-11 23:10:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-11 23:10:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 835 transitions. [2021-06-11 23:10:21,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4417989417989418 [2021-06-11 23:10:21,428 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 835 transitions. [2021-06-11 23:10:21,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 835 transitions. [2021-06-11 23:10:21,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:10:21,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 835 transitions. [2021-06-11 23:10:21,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 30.925925925925927) internal successors, (835), 27 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:21,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 23:10:21,430 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 70.0) internal successors, (1960), 28 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) [2021-06-11 23:10:21,430 INFO L185 Difference]: Start difference. First operand has 1245 places, 4131 transitions, 134640 flow. Second operand 27 states and 835 transitions. [2021-06-11 23:10:21,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1271 places, 4162 transitions, 144294 flow [2021-06-11 23:10:30,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1251 places, 4162 transitions, 142882 flow, removed 11 selfloop flow, removed 20 redundant places. [2021-06-11 23:10:30,372 INFO L241 Difference]: Finished difference. Result has 1253 places, 4130 transitions, 134496 flow [2021-06-11 23:10:30,373 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133234, PETRI_DIFFERENCE_MINUEND_PLACES=1225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=134496, PETRI_PLACES=1253, PETRI_TRANSITIONS=4130} [2021-06-11 23:10:30,373 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1214 predicate places. [2021-06-11 23:10:30,374 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:10:30,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1253 places, 4130 transitions, 134496 flow [2021-06-11 23:10:30,374 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1253 places, 4130 transitions, 134496 flow [2021-06-11 23:10:30,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1252 places, 4130 transitions, 134496 flow [2021-06-11 23:10:33,980 INFO L129 PetriNetUnfolder]: 3218/6786 cut-off events. [2021-06-11 23:10:33,981 INFO L130 PetriNetUnfolder]: For 494318/494497 co-relation queries the response was YES. [2021-06-11 23:10:34,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105950 conditions, 6786 events. 3218/6786 cut-off events. For 494318/494497 co-relation queries the response was YES. Maximal size of possible extension queue 943. Compared 62341 event pairs, 164 based on Foata normal form. 9/6745 useless extension candidates. Maximal degree in co-relation 105505. Up to 2142 conditions per place. [2021-06-11 23:10:34,385 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 23:10:36,291 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:10:36,291 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:10:36,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5917 [2021-06-11 23:10:36,292 INFO L480 AbstractCegarLoop]: Abstraction has has 1252 places, 4130 transitions, 134496 flow [2021-06-11 23:10:36,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:36,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:10:36,292 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] [2021-06-11 23:10:36,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-06-11 23:10:36,292 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:10:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:10:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2017206295, now seen corresponding path program 12 times [2021-06-11 23:10:36,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:10:36,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734264687] [2021-06-11 23:10:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:10:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:10:36,301 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:10:36,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:10:36,306 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:10:36,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:10:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:10:36,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:10:36,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:10:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:10:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:10:36,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:10:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:10:36,453 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:10:36,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:10:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:10:36,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734264687] [2021-06-11 23:10:36,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:10:36,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:10:36,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072997891] [2021-06-11 23:10:36,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:10:36,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:10:36,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:10:36,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:10:36,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:10:36,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1252 places, 4130 transitions, 134496 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:10:36,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:10:36,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:10:36,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:10:47,078 INFO L129 PetriNetUnfolder]: 3374/6975 cut-off events. [2021-06-11 23:10:47,078 INFO L130 PetriNetUnfolder]: For 555121/555135 co-relation queries the response was YES. [2021-06-11 23:10:47,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114960 conditions, 6975 events. 3374/6975 cut-off events. For 555121/555135 co-relation queries the response was YES. Maximal size of possible extension queue 919. Compared 61816 event pairs, 244 based on Foata normal form. 11/6984 useless extension candidates. Maximal degree in co-relation 114506. Up to 5203 conditions per place. [2021-06-11 23:10:47,398 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3080 selfloop transitions, 1094 changer transitions 2/4184 dead transitions. [2021-06-11 23:10:47,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1288 places, 4184 transitions, 144640 flow [2021-06-11 23:10:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 23:10:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 23:10:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1140 transitions. [2021-06-11 23:10:47,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44015444015444016 [2021-06-11 23:10:47,400 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1140 transitions. [2021-06-11 23:10:47,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1140 transitions. [2021-06-11 23:10:47,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:10:47,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1140 transitions. [2021-06-11 23:10:47,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 30.81081081081081) internal successors, (1140), 37 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:47,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:47,402 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:10:47,402 INFO L185 Difference]: Start difference. First operand has 1252 places, 4130 transitions, 134496 flow. Second operand 37 states and 1140 transitions. [2021-06-11 23:10:47,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1288 places, 4184 transitions, 144640 flow [2021-06-11 23:10:56,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1273 places, 4184 transitions, 143704 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-06-11 23:10:56,527 INFO L241 Difference]: Finished difference. Result has 1276 places, 4130 transitions, 135765 flow [2021-06-11 23:10:56,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133564, PETRI_DIFFERENCE_MINUEND_PLACES=1237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1093, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3036, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=135765, PETRI_PLACES=1276, PETRI_TRANSITIONS=4130} [2021-06-11 23:10:56,529 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1237 predicate places. [2021-06-11 23:10:56,529 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:10:56,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1276 places, 4130 transitions, 135765 flow [2021-06-11 23:10:56,529 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1276 places, 4130 transitions, 135765 flow [2021-06-11 23:10:56,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1275 places, 4130 transitions, 135765 flow [2021-06-11 23:11:00,158 INFO L129 PetriNetUnfolder]: 3236/6790 cut-off events. [2021-06-11 23:11:00,158 INFO L130 PetriNetUnfolder]: For 499698/499885 co-relation queries the response was YES. [2021-06-11 23:11:00,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107171 conditions, 6790 events. 3236/6790 cut-off events. For 499698/499885 co-relation queries the response was YES. Maximal size of possible extension queue 944. Compared 62031 event pairs, 164 based on Foata normal form. 7/6741 useless extension candidates. Maximal degree in co-relation 106725. Up to 2148 conditions per place. [2021-06-11 23:11:00,413 INFO L151 LiptonReduction]: Number of co-enabled transitions 3246 [2021-06-11 23:11:02,221 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:11:02,221 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:11:02,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5692 [2021-06-11 23:11:02,221 INFO L480 AbstractCegarLoop]: Abstraction has has 1275 places, 4130 transitions, 135765 flow [2021-06-11 23:11:02,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:11:02,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:11:02,221 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] [2021-06-11 23:11:02,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-06-11 23:11:02,222 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:11:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:11:02,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1760212726, now seen corresponding path program 9 times [2021-06-11 23:11:02,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:11:02,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163079808] [2021-06-11 23:11:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:11:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:11:02,230 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:11:02,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:11:02,234 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:11:02,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:11:02,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:02,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:02,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:02,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:02,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:02,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:11:02,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:11:02,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:11:02,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:02,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:11:02,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:11:02,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:11:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:11:02,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163079808] [2021-06-11 23:11:02,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:11:02,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:11:02,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003432516] [2021-06-11 23:11:02,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:11:02,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:11:02,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:11:02,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:11:02,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:11:02,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1275 places, 4130 transitions, 135765 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:11:02,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:11:02,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:11:02,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:11:11,596 INFO L129 PetriNetUnfolder]: 3373/7008 cut-off events. [2021-06-11 23:11:11,596 INFO L130 PetriNetUnfolder]: For 555842/555849 co-relation queries the response was YES. [2021-06-11 23:11:11,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115881 conditions, 7008 events. 3373/7008 cut-off events. For 555842/555849 co-relation queries the response was YES. Maximal size of possible extension queue 925. Compared 62571 event pairs, 247 based on Foata normal form. 7/7013 useless extension candidates. Maximal degree in co-relation 115426. Up to 5813 conditions per place. [2021-06-11 23:11:11,815 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3673 selfloop transitions, 486 changer transitions 11/4178 dead transitions. [2021-06-11 23:11:11,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1308 places, 4178 transitions, 145528 flow [2021-06-11 23:11:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-11 23:11:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-11 23:11:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1030 transitions. [2021-06-11 23:11:11,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4327731092436975 [2021-06-11 23:11:11,817 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 1030 transitions. [2021-06-11 23:11:11,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 1030 transitions. [2021-06-11 23:11:11,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:11:11,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 1030 transitions. [2021-06-11 23:11:11,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 30.294117647058822) internal successors, (1030), 34 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:11,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:11,819 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 70.0) internal successors, (2450), 35 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:11,819 INFO L185 Difference]: Start difference. First operand has 1275 places, 4130 transitions, 135765 flow. Second operand 34 states and 1030 transitions. [2021-06-11 23:11:11,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1308 places, 4178 transitions, 145528 flow [2021-06-11 23:11:20,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1275 places, 4178 transitions, 143511 flow, removed 8 selfloop flow, removed 33 redundant places. [2021-06-11 23:11:20,698 INFO L241 Difference]: Finished difference. Result has 1283 places, 4138 transitions, 134933 flow [2021-06-11 23:11:20,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133758, PETRI_DIFFERENCE_MINUEND_PLACES=1242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=471, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=134933, PETRI_PLACES=1283, PETRI_TRANSITIONS=4138} [2021-06-11 23:11:20,700 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1244 predicate places. [2021-06-11 23:11:20,700 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:11:20,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1283 places, 4138 transitions, 134933 flow [2021-06-11 23:11:20,700 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1283 places, 4138 transitions, 134933 flow [2021-06-11 23:11:20,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1281 places, 4138 transitions, 134933 flow [2021-06-11 23:11:24,313 INFO L129 PetriNetUnfolder]: 3210/6799 cut-off events. [2021-06-11 23:11:24,314 INFO L130 PetriNetUnfolder]: For 498154/498496 co-relation queries the response was YES. [2021-06-11 23:11:24,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106053 conditions, 6799 events. 3210/6799 cut-off events. For 498154/498496 co-relation queries the response was YES. Maximal size of possible extension queue 946. Compared 62588 event pairs, 152 based on Foata normal form. 1/6748 useless extension candidates. Maximal degree in co-relation 105626. Up to 2139 conditions per place. [2021-06-11 23:11:24,578 INFO L151 LiptonReduction]: Number of co-enabled transitions 3248 [2021-06-11 23:11:26,366 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:11:26,367 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:11:26,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5667 [2021-06-11 23:11:26,367 INFO L480 AbstractCegarLoop]: Abstraction has has 1281 places, 4138 transitions, 134933 flow [2021-06-11 23:11:26,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:11:26,367 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:11:26,367 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] [2021-06-11 23:11:26,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-06-11 23:11:26,367 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:11:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:11:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1939216317, now seen corresponding path program 13 times [2021-06-11 23:11:26,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:11:26,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778219835] [2021-06-11 23:11:26,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:11:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:11:26,375 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:11:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:11:26,379 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:11:26,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:11:26,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:26,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:26,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:26,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:26,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:11:26,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:26,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:26,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:26,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:11:26,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:11:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:11:26,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:11:26,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:11:26,584 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:11:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:11:26,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778219835] [2021-06-11 23:11:26,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:11:26,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-11 23:11:26,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943200051] [2021-06-11 23:11:26,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 23:11:26,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:11:26,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 23:11:26,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-06-11 23:11:26,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:11:26,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1281 places, 4138 transitions, 134933 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:26,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:11:26,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:11:26,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:11:36,395 INFO L129 PetriNetUnfolder]: 3392/7072 cut-off events. [2021-06-11 23:11:36,395 INFO L130 PetriNetUnfolder]: For 559053/559067 co-relation queries the response was YES. [2021-06-11 23:11:36,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115943 conditions, 7072 events. 3392/7072 cut-off events. For 559053/559067 co-relation queries the response was YES. Maximal size of possible extension queue 938. Compared 63231 event pairs, 246 based on Foata normal form. 12/7082 useless extension candidates. Maximal degree in co-relation 115513. Up to 5313 conditions per place. [2021-06-11 23:11:36,629 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3161 selfloop transitions, 1083 changer transitions 5/4257 dead transitions. [2021-06-11 23:11:36,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1321 places, 4257 transitions, 147087 flow [2021-06-11 23:11:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-11 23:11:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-11 23:11:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1262 transitions. [2021-06-11 23:11:36,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4397212543554007 [2021-06-11 23:11:36,631 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 1262 transitions. [2021-06-11 23:11:36,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 1262 transitions. [2021-06-11 23:11:36,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:11:36,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 1262 transitions. [2021-06-11 23:11:36,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 30.78048780487805) internal successors, (1262), 41 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:36,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 70.0) internal successors, (2940), 42 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:36,633 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 70.0) internal successors, (2940), 42 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:36,633 INFO L185 Difference]: Start difference. First operand has 1281 places, 4138 transitions, 134933 flow. Second operand 41 states and 1262 transitions. [2021-06-11 23:11:36,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1321 places, 4257 transitions, 147087 flow [2021-06-11 23:11:46,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1303 places, 4257 transitions, 145880 flow, removed 202 selfloop flow, removed 18 redundant places. [2021-06-11 23:11:46,512 INFO L241 Difference]: Finished difference. Result has 1308 places, 4187 transitions, 137736 flow [2021-06-11 23:11:46,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=133732, PETRI_DIFFERENCE_MINUEND_PLACES=1263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1031, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3071, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=137736, PETRI_PLACES=1308, PETRI_TRANSITIONS=4187} [2021-06-11 23:11:46,514 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1269 predicate places. [2021-06-11 23:11:46,514 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:11:46,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1308 places, 4187 transitions, 137736 flow [2021-06-11 23:11:46,514 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1308 places, 4187 transitions, 137736 flow [2021-06-11 23:11:46,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1307 places, 4187 transitions, 137736 flow [2021-06-11 23:11:50,417 INFO L129 PetriNetUnfolder]: 3235/6868 cut-off events. [2021-06-11 23:11:50,417 INFO L130 PetriNetUnfolder]: For 493701/493871 co-relation queries the response was YES. [2021-06-11 23:11:50,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107469 conditions, 6868 events. 3235/6868 cut-off events. For 493701/493871 co-relation queries the response was YES. Maximal size of possible extension queue 965. Compared 63565 event pairs, 148 based on Foata normal form. 2/6822 useless extension candidates. Maximal degree in co-relation 107021. Up to 2149 conditions per place. [2021-06-11 23:11:50,685 INFO L151 LiptonReduction]: Number of co-enabled transitions 3336 [2021-06-11 23:11:52,505 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:11:52,506 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:11:52,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5992 [2021-06-11 23:11:52,506 INFO L480 AbstractCegarLoop]: Abstraction has has 1307 places, 4187 transitions, 137736 flow [2021-06-11 23:11:52,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:11:52,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:11:52,506 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] [2021-06-11 23:11:52,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-06-11 23:11:52,506 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:11:52,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:11:52,507 INFO L82 PathProgramCache]: Analyzing trace with hash 107709486, now seen corresponding path program 10 times [2021-06-11 23:11:52,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:11:52,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774788773] [2021-06-11 23:11:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:11:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:11:52,517 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:11:52,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:11:52,522 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:11:52,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:11:52,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:52,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:52,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:52,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:52,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:52,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:11:52,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:11:52,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:11:52,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:11:52,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:11:52,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:11:52,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:11:52,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:11:52,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:11:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:11:52,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774788773] [2021-06-11 23:11:52,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:11:52,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:11:52,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374672474] [2021-06-11 23:11:52,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:11:52,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:11:52,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:11:52,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:11:52,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:11:52,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1307 places, 4187 transitions, 137736 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:11:52,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:11:52,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:11:52,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:12:02,285 INFO L129 PetriNetUnfolder]: 3390/7069 cut-off events. [2021-06-11 23:12:02,285 INFO L130 PetriNetUnfolder]: For 559568/559584 co-relation queries the response was YES. [2021-06-11 23:12:02,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116766 conditions, 7069 events. 3390/7069 cut-off events. For 559568/559584 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 63300 event pairs, 140 based on Foata normal form. 13/7080 useless extension candidates. Maximal degree in co-relation 116313. Up to 5619 conditions per place. [2021-06-11 23:12:02,512 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3468 selfloop transitions, 750 changer transitions 3/4229 dead transitions. [2021-06-11 23:12:02,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1336 places, 4229 transitions, 147600 flow [2021-06-11 23:12:02,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 23:12:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 23:12:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 922 transitions. [2021-06-11 23:12:02,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.439047619047619 [2021-06-11 23:12:02,514 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 922 transitions. [2021-06-11 23:12:02,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 922 transitions. [2021-06-11 23:12:02,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:12:02,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 922 transitions. [2021-06-11 23:12:02,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 30.733333333333334) internal successors, (922), 30 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:02,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:02,515 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 70.0) internal successors, (2170), 31 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:02,515 INFO L185 Difference]: Start difference. First operand has 1307 places, 4187 transitions, 137736 flow. Second operand 30 states and 922 transitions. [2021-06-11 23:12:02,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1336 places, 4229 transitions, 147600 flow [2021-06-11 23:12:12,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1316 places, 4229 transitions, 145828 flow, removed 95 selfloop flow, removed 20 redundant places. [2021-06-11 23:12:12,328 INFO L241 Difference]: Finished difference. Result has 1319 places, 4187 transitions, 137723 flow [2021-06-11 23:12:12,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=135972, PETRI_DIFFERENCE_MINUEND_PLACES=1287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=749, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=137723, PETRI_PLACES=1319, PETRI_TRANSITIONS=4187} [2021-06-11 23:12:12,329 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1280 predicate places. [2021-06-11 23:12:12,329 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:12:12,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1319 places, 4187 transitions, 137723 flow [2021-06-11 23:12:12,329 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1319 places, 4187 transitions, 137723 flow [2021-06-11 23:12:12,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1318 places, 4187 transitions, 137723 flow [2021-06-11 23:12:15,823 INFO L129 PetriNetUnfolder]: 3216/6861 cut-off events. [2021-06-11 23:12:15,823 INFO L130 PetriNetUnfolder]: For 475384/475488 co-relation queries the response was YES. [2021-06-11 23:12:15,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106933 conditions, 6861 events. 3216/6861 cut-off events. For 475384/475488 co-relation queries the response was YES. Maximal size of possible extension queue 971. Compared 63616 event pairs, 156 based on Foata normal form. 2/6827 useless extension candidates. Maximal degree in co-relation 106485. Up to 2141 conditions per place. [2021-06-11 23:12:16,074 INFO L151 LiptonReduction]: Number of co-enabled transitions 3340 [2021-06-11 23:12:17,949 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:12:17,949 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:12:17,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5620 [2021-06-11 23:12:17,949 INFO L480 AbstractCegarLoop]: Abstraction has has 1318 places, 4187 transitions, 137723 flow [2021-06-11 23:12:17,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:12:17,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:12:17,950 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] [2021-06-11 23:12:17,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-06-11 23:12:17,950 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:12:17,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:12:17,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1628847735, now seen corresponding path program 14 times [2021-06-11 23:12:17,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:12:17,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928028517] [2021-06-11 23:12:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:12:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:12:17,961 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:12:17,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:12:17,966 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:12:17,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:12:17,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:17,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:12:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:17,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:17,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:12:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:12:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:18,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:12:18,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:18,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:12:18,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:12:18,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:12:18,126 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:12:18,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:12:18,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928028517] [2021-06-11 23:12:18,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:12:18,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:12:18,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048284191] [2021-06-11 23:12:18,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:12:18,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:12:18,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:12:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:12:18,129 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:12:18,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1318 places, 4187 transitions, 137723 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:12:18,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:12:18,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:12:18,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:12:27,997 INFO L129 PetriNetUnfolder]: 3435/7225 cut-off events. [2021-06-11 23:12:27,997 INFO L130 PetriNetUnfolder]: For 565402/565409 co-relation queries the response was YES. [2021-06-11 23:12:28,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118650 conditions, 7225 events. 3435/7225 cut-off events. For 565402/565409 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 65497 event pairs, 241 based on Foata normal form. 8/7231 useless extension candidates. Maximal degree in co-relation 118197. Up to 5674 conditions per place. [2021-06-11 23:12:28,239 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3627 selfloop transitions, 670 changer transitions 4/4309 dead transitions. [2021-06-11 23:12:28,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1350 places, 4309 transitions, 150304 flow [2021-06-11 23:12:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-11 23:12:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-11 23:12:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1005 transitions. [2021-06-11 23:12:28,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43506493506493504 [2021-06-11 23:12:28,240 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1005 transitions. [2021-06-11 23:12:28,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1005 transitions. [2021-06-11 23:12:28,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:12:28,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1005 transitions. [2021-06-11 23:12:28,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 30.454545454545453) internal successors, (1005), 33 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:28,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 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) [2021-06-11 23:12:28,242 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 70.0) internal successors, (2380), 34 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) [2021-06-11 23:12:28,242 INFO L185 Difference]: Start difference. First operand has 1318 places, 4187 transitions, 137723 flow. Second operand 33 states and 1005 transitions. [2021-06-11 23:12:28,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1350 places, 4309 transitions, 150304 flow [2021-06-11 23:12:37,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1332 places, 4309 transitions, 149204 flow, removed 7 selfloop flow, removed 18 redundant places. [2021-06-11 23:12:37,752 INFO L241 Difference]: Finished difference. Result has 1345 places, 4264 transitions, 141331 flow [2021-06-11 23:12:37,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=136660, PETRI_DIFFERENCE_MINUEND_PLACES=1300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=591, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=141331, PETRI_PLACES=1345, PETRI_TRANSITIONS=4264} [2021-06-11 23:12:37,753 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1306 predicate places. [2021-06-11 23:12:37,753 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:12:37,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1345 places, 4264 transitions, 141331 flow [2021-06-11 23:12:37,754 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1345 places, 4264 transitions, 141331 flow [2021-06-11 23:12:37,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1344 places, 4264 transitions, 141331 flow [2021-06-11 23:12:41,569 INFO L129 PetriNetUnfolder]: 3284/7017 cut-off events. [2021-06-11 23:12:41,570 INFO L130 PetriNetUnfolder]: For 505333/505643 co-relation queries the response was YES. [2021-06-11 23:12:41,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109735 conditions, 7017 events. 3284/7017 cut-off events. For 505333/505643 co-relation queries the response was YES. Maximal size of possible extension queue 996. Compared 65586 event pairs, 159 based on Foata normal form. 1/6968 useless extension candidates. Maximal degree in co-relation 109276. Up to 2219 conditions per place. [2021-06-11 23:12:41,842 INFO L151 LiptonReduction]: Number of co-enabled transitions 3454 [2021-06-11 23:12:43,852 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:12:43,853 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:12:43,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6100 [2021-06-11 23:12:43,853 INFO L480 AbstractCegarLoop]: Abstraction has has 1344 places, 4264 transitions, 141331 flow [2021-06-11 23:12:43,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:12:43,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:12:43,853 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] [2021-06-11 23:12:43,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-06-11 23:12:43,853 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:12:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:12:43,853 INFO L82 PathProgramCache]: Analyzing trace with hash 49004772, now seen corresponding path program 11 times [2021-06-11 23:12:43,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:12:43,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632328111] [2021-06-11 23:12:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:12:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:12:43,862 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:12:43,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:12:43,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:12:43,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:12:43,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:12:43,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:43,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:12:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:12:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:12:43,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:12:43,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:12:43,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:12:43,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:12:43,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:12:44,003 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:12:44,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:12:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:12:44,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632328111] [2021-06-11 23:12:44,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:12:44,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:12:44,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764184488] [2021-06-11 23:12:44,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:12:44,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:12:44,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:12:44,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:12:44,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:12:44,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1344 places, 4264 transitions, 141331 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:12:44,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:12:44,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:12:44,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:12:54,179 INFO L129 PetriNetUnfolder]: 3434/7208 cut-off events. [2021-06-11 23:12:54,179 INFO L130 PetriNetUnfolder]: For 571017/571031 co-relation queries the response was YES. [2021-06-11 23:12:54,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119009 conditions, 7208 events. 3434/7208 cut-off events. For 571017/571031 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 65261 event pairs, 252 based on Foata normal form. 11/7217 useless extension candidates. Maximal degree in co-relation 118545. Up to 5988 conditions per place. [2021-06-11 23:12:54,412 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3834 selfloop transitions, 442 changer transitions 2/4286 dead transitions. [2021-06-11 23:12:54,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1371 places, 4286 transitions, 150712 flow [2021-06-11 23:12:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-11 23:12:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-06-11 23:12:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 855 transitions. [2021-06-11 23:12:54,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4362244897959184 [2021-06-11 23:12:54,414 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 855 transitions. [2021-06-11 23:12:54,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 855 transitions. [2021-06-11 23:12:54,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:12:54,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 855 transitions. [2021-06-11 23:12:54,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 30.535714285714285) internal successors, (855), 28 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:54,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 70.0) internal successors, (2030), 29 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:54,416 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 70.0) internal successors, (2030), 29 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:12:54,416 INFO L185 Difference]: Start difference. First operand has 1344 places, 4264 transitions, 141331 flow. Second operand 28 states and 855 transitions. [2021-06-11 23:12:54,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1371 places, 4286 transitions, 150712 flow [2021-06-11 23:13:03,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1349 places, 4286 transitions, 149741 flow, removed 93 selfloop flow, removed 22 redundant places. [2021-06-11 23:13:03,876 INFO L241 Difference]: Finished difference. Result has 1351 places, 4263 transitions, 141234 flow [2021-06-11 23:13:03,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=140368, PETRI_DIFFERENCE_MINUEND_PLACES=1322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=141234, PETRI_PLACES=1351, PETRI_TRANSITIONS=4263} [2021-06-11 23:13:03,877 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1312 predicate places. [2021-06-11 23:13:03,877 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:13:03,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1351 places, 4263 transitions, 141234 flow [2021-06-11 23:13:03,877 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1351 places, 4263 transitions, 141234 flow [2021-06-11 23:13:03,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1350 places, 4263 transitions, 141234 flow [2021-06-11 23:13:07,837 INFO L129 PetriNetUnfolder]: 3281/7009 cut-off events. [2021-06-11 23:13:07,837 INFO L130 PetriNetUnfolder]: For 507992/508185 co-relation queries the response was YES. [2021-06-11 23:13:08,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109496 conditions, 7009 events. 3281/7009 cut-off events. For 507992/508185 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 65554 event pairs, 154 based on Foata normal form. 2/6959 useless extension candidates. Maximal degree in co-relation 109036. Up to 2213 conditions per place. [2021-06-11 23:13:08,186 INFO L151 LiptonReduction]: Number of co-enabled transitions 3454 [2021-06-11 23:13:10,083 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:13:10,084 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:13:10,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6207 [2021-06-11 23:13:10,084 INFO L480 AbstractCegarLoop]: Abstraction has has 1350 places, 4263 transitions, 141234 flow [2021-06-11 23:13:10,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:13:10,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:13:10,084 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] [2021-06-11 23:13:10,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-06-11 23:13:10,084 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:13:10,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:13:10,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2106784416, now seen corresponding path program 12 times [2021-06-11 23:13:10,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:13:10,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639228077] [2021-06-11 23:13:10,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:13:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:13:10,094 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:13:10,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:13:10,098 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:13:10,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:13:10,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:13:10,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:10,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:10,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:13:10,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:13:10,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:13:10,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:13:10,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:13:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:13:10,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:10,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 23:13:10,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-06-11 23:13:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 23:13:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:13:10,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639228077] [2021-06-11 23:13:10,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:13:10,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:13:10,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604995295] [2021-06-11 23:13:10,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:13:10,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:13:10,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:13:10,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:13:10,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:13:10,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1350 places, 4263 transitions, 141234 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:13:10,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:13:10,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:13:10,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:13:20,113 INFO L129 PetriNetUnfolder]: 3432/7195 cut-off events. [2021-06-11 23:13:20,113 INFO L130 PetriNetUnfolder]: For 573972/573988 co-relation queries the response was YES. [2021-06-11 23:13:20,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118881 conditions, 7195 events. 3432/7195 cut-off events. For 573972/573988 co-relation queries the response was YES. Maximal size of possible extension queue 958. Compared 65239 event pairs, 219 based on Foata normal form. 14/7207 useless extension candidates. Maximal degree in co-relation 118416. Up to 5950 conditions per place. [2021-06-11 23:13:20,475 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3786 selfloop transitions, 493 changer transitions 11/4298 dead transitions. [2021-06-11 23:13:20,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1386 places, 4298 transitions, 151012 flow [2021-06-11 23:13:20,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-11 23:13:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-11 23:13:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 1116 transitions. [2021-06-11 23:13:20,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4308880308880309 [2021-06-11 23:13:20,477 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 1116 transitions. [2021-06-11 23:13:20,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 1116 transitions. [2021-06-11 23:13:20,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:13:20,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 1116 transitions. [2021-06-11 23:13:20,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 30.16216216216216) internal successors, (1116), 37 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:13:20,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:13:20,479 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 70.0) internal successors, (2660), 38 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:13:20,479 INFO L185 Difference]: Start difference. First operand has 1350 places, 4263 transitions, 141234 flow. Second operand 37 states and 1116 transitions. [2021-06-11 23:13:20,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1386 places, 4298 transitions, 151012 flow [2021-06-11 23:13:30,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1369 places, 4298 transitions, 150213 flow, removed 7 selfloop flow, removed 17 redundant places. [2021-06-11 23:13:30,362 INFO L241 Difference]: Finished difference. Result has 1374 places, 4258 transitions, 141379 flow [2021-06-11 23:13:30,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=140445, PETRI_DIFFERENCE_MINUEND_PLACES=1333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=488, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3770, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=141379, PETRI_PLACES=1374, PETRI_TRANSITIONS=4258} [2021-06-11 23:13:30,363 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1335 predicate places. [2021-06-11 23:13:30,363 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:13:30,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1374 places, 4258 transitions, 141379 flow [2021-06-11 23:13:30,364 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1374 places, 4258 transitions, 141379 flow [2021-06-11 23:13:30,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1371 places, 4258 transitions, 141379 flow [2021-06-11 23:13:34,015 INFO L129 PetriNetUnfolder]: 3266/6973 cut-off events. [2021-06-11 23:13:34,016 INFO L130 PetriNetUnfolder]: For 497767/497852 co-relation queries the response was YES. [2021-06-11 23:13:34,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109173 conditions, 6973 events. 3266/6973 cut-off events. For 497767/497852 co-relation queries the response was YES. Maximal size of possible extension queue 980. Compared 64852 event pairs, 125 based on Foata normal form. 2/6956 useless extension candidates. Maximal degree in co-relation 108710. Up to 2197 conditions per place. [2021-06-11 23:13:34,446 INFO L151 LiptonReduction]: Number of co-enabled transitions 3426 [2021-06-11 23:13:36,447 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 23:13:36,448 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 23:13:36,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6085 [2021-06-11 23:13:36,448 INFO L480 AbstractCegarLoop]: Abstraction has has 1371 places, 4258 transitions, 141379 flow [2021-06-11 23:13:36,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:13:36,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 23:13:36,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 23:13:36,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-06-11 23:13:36,449 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 23:13:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 23:13:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2075789797, now seen corresponding path program 15 times [2021-06-11 23:13:36,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 23:13:36,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098705752] [2021-06-11 23:13:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 23:13:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 23:13:36,457 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 23:13:36,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 23:13:36,462 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 23:13:36,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 23:13:36,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 23:13:36,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:13:36,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 23:13:36,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 23:13:36,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 23:13:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 23:13:36,620 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-06-11 23:13:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 23:13:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 23:13:36,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098705752] [2021-06-11 23:13:36,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 23:13:36,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-11 23:13:36,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866279384] [2021-06-11 23:13:36,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 23:13:36,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 23:13:36,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 23:13:36,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-06-11 23:13:36,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 70 [2021-06-11 23:13:36,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1371 places, 4258 transitions, 141379 flow. Second operand has 14 states, 14 states have (on average 27.071428571428573) internal successors, (379), 14 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) [2021-06-11 23:13:36,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 23:13:36,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 70 [2021-06-11 23:13:36,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 23:13:46,692 INFO L129 PetriNetUnfolder]: 3428/7182 cut-off events. [2021-06-11 23:13:46,692 INFO L130 PetriNetUnfolder]: For 573782/573796 co-relation queries the response was YES. [2021-06-11 23:13:46,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118812 conditions, 7182 events. 3428/7182 cut-off events. For 573782/573796 co-relation queries the response was YES. Maximal size of possible extension queue 956. Compared 64840 event pairs, 249 based on Foata normal form. 11/7191 useless extension candidates. Maximal degree in co-relation 118344. Up to 5401 conditions per place. [2021-06-11 23:13:47,024 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 3167 selfloop transitions, 1110 changer transitions 2/4287 dead transitions. [2021-06-11 23:13:47,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1398 places, 4287 transitions, 151221 flow [2021-06-11 23:13:47,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-11 23:13:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-06-11 23:13:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 874 transitions. [2021-06-11 23:13:47,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4459183673469388 [2021-06-11 23:13:47,025 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 874 transitions. [2021-06-11 23:13:47,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 874 transitions. [2021-06-11 23:13:47,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 23:13:47,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 874 transitions. [2021-06-11 23:13:47,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 31.214285714285715) internal successors, (874), 28 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:13:47,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 70.0) internal successors, (2030), 29 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:13:47,027 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 70.0) internal successors, (2030), 29 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 23:13:47,027 INFO L185 Difference]: Start difference. First operand has 1371 places, 4258 transitions, 141379 flow. Second operand 28 states and 874 transitions. [2021-06-11 23:13:47,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1398 places, 4287 transitions, 151221 flow [2021-06-11 23:13:56,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1372 places, 4287 transitions, 149743 flow, removed 117 selfloop flow, removed 26 redundant places. [2021-06-11 23:13:56,529 INFO L241 Difference]: Finished difference. Result has 1374 places, 4257 transitions, 142110 flow [2021-06-11 23:13:56,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=139905, PETRI_DIFFERENCE_MINUEND_PLACES=1345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=142110, PETRI_PLACES=1374, PETRI_TRANSITIONS=4257} [2021-06-11 23:13:56,531 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1335 predicate places. [2021-06-11 23:13:56,531 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 23:13:56,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1374 places, 4257 transitions, 142110 flow [2021-06-11 23:13:56,532 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 1374 places, 4257 transitions, 142110 flow [2021-06-11 23:13:56,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1373 places, 4257 transitions, 142110 flow Received shutdown request... [2021-06-11 23:14:00,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-06-11 23:14:00,769 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 23:14:00,772 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 23:14:00,772 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 11:14:00 BasicIcfg [2021-06-11 23:14:00,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 23:14:00,772 INFO L168 Benchmark]: Toolchain (without parser) took 816956.03 ms. Allocated memory was 379.6 MB in the beginning and 10.0 GB in the end (delta: 9.6 GB). Free memory was 358.8 MB in the beginning and 8.6 GB in the end (delta: -8.2 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. [2021-06-11 23:14:00,772 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.47 ms. Allocated memory is still 379.6 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 23:14:00,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 379.6 MB. Free memory was 358.8 MB in the beginning and 357.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 23:14:00,772 INFO L168 Benchmark]: Boogie Preprocessor took 9.86 ms. Allocated memory is still 379.6 MB. Free memory was 357.2 MB in the beginning and 356.3 MB in the end (delta: 931.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 23:14:00,772 INFO L168 Benchmark]: RCFGBuilder took 234.47 ms. Allocated memory is still 379.6 MB. Free memory was 356.3 MB in the beginning and 343.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-11 23:14:00,772 INFO L168 Benchmark]: TraceAbstraction took 816685.04 ms. Allocated memory was 379.6 MB in the beginning and 10.0 GB in the end (delta: 9.6 GB). Free memory was 343.2 MB in the beginning and 8.6 GB in the end (delta: -8.2 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. [2021-06-11 23:14:00,773 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 0.47 ms. Allocated memory is still 379.6 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 379.6 MB. Free memory was 358.8 MB in the beginning and 357.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.86 ms. Allocated memory is still 379.6 MB. Free memory was 357.2 MB in the beginning and 356.3 MB in the end (delta: 931.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 234.47 ms. Allocated memory is still 379.6 MB. Free memory was 356.3 MB in the beginning and 343.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 816685.04 ms. Allocated memory was 379.6 MB in the beginning and 10.0 GB in the end (delta: 9.6 GB). Free memory was 343.2 MB in the beginning and 8.6 GB in the end (delta: -8.2 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.6ms, 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 501, positive: 465, positive conditional: 465, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 451, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 451, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 451, unknown conditional: 0, unknown unconditional: 451] , Statistics on independence cache: Total cache size (in pairs): 451, Positive cache size: 420, Positive conditional cache size: 0, Positive unconditional cache size: 420, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.5ms, 34 PlacesBefore, 33 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 508 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213, positive: 179, positive conditional: 179, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 213, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 479, Positive cache size: 448, Positive conditional cache size: 0, Positive unconditional cache size: 448, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.2ms, 34 PlacesBefore, 33 PlacesAfterwards, 25 TransitionsBefore, 24 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 288 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 159, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 159, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , Statistics on independence cache: Total cache size (in pairs): 499, Positive cache size: 468, Positive conditional cache size: 0, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.8ms, 63 PlacesBefore, 61 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 398 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 470, Positive conditional cache size: 2, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.0ms, 60 PlacesBefore, 60 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 470, Positive conditional cache size: 2, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.2ms, 100 PlacesBefore, 96 PlacesAfterwards, 161 TransitionsBefore, 161 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 470, Positive conditional cache size: 2, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.5ms, 96 PlacesBefore, 96 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 471, Positive conditional cache size: 3, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.9ms, 141 PlacesBefore, 140 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 471, Positive conditional cache size: 3, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.3ms, 160 PlacesBefore, 159 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 471, Positive conditional cache size: 3, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 309.4ms, 220 PlacesBefore, 220 PlacesAfterwards, 570 TransitionsBefore, 570 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 471, Positive conditional cache size: 3, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.8ms, 243 PlacesBefore, 242 PlacesAfterwards, 679 TransitionsBefore, 679 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 471, Positive conditional cache size: 3, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 421.8ms, 271 PlacesBefore, 269 PlacesAfterwards, 711 TransitionsBefore, 711 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.0ms, 291 PlacesBefore, 289 PlacesAfterwards, 738 TransitionsBefore, 738 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 310.7ms, 308 PlacesBefore, 307 PlacesAfterwards, 773 TransitionsBefore, 773 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.3ms, 319 PlacesBefore, 318 PlacesAfterwards, 783 TransitionsBefore, 783 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 341.9ms, 331 PlacesBefore, 330 PlacesAfterwards, 803 TransitionsBefore, 803 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 441.2ms, 346 PlacesBefore, 345 PlacesAfterwards, 833 TransitionsBefore, 833 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.5ms, 359 PlacesBefore, 358 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 405.2ms, 377 PlacesBefore, 376 PlacesAfterwards, 850 TransitionsBefore, 850 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 418.5ms, 384 PlacesBefore, 380 PlacesAfterwards, 849 TransitionsBefore, 849 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.8ms, 394 PlacesBefore, 392 PlacesAfterwards, 857 TransitionsBefore, 857 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.3ms, 398 PlacesBefore, 396 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 404.7ms, 404 PlacesBefore, 400 PlacesAfterwards, 865 TransitionsBefore, 865 TransitionsAfterwards, 758 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 416.7ms, 414 PlacesBefore, 411 PlacesAfterwards, 876 TransitionsBefore, 876 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 398.2ms, 415 PlacesBefore, 403 PlacesAfterwards, 867 TransitionsBefore, 867 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.9ms, 410 PlacesBefore, 407 PlacesAfterwards, 867 TransitionsBefore, 867 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 416.7ms, 406 PlacesBefore, 400 PlacesAfterwards, 859 TransitionsBefore, 859 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 420.2ms, 401 PlacesBefore, 399 PlacesAfterwards, 881 TransitionsBefore, 881 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.2ms, 405 PlacesBefore, 401 PlacesAfterwards, 881 TransitionsBefore, 881 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 418.8ms, 402 PlacesBefore, 394 PlacesAfterwards, 878 TransitionsBefore, 878 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.6ms, 400 PlacesBefore, 397 PlacesAfterwards, 878 TransitionsBefore, 878 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.1ms, 395 PlacesBefore, 389 PlacesAfterwards, 874 TransitionsBefore, 874 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.1ms, 395 PlacesBefore, 393 PlacesAfterwards, 876 TransitionsBefore, 876 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 399.6ms, 392 PlacesBefore, 382 PlacesAfterwards, 871 TransitionsBefore, 871 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 367.3ms, 385 PlacesBefore, 379 PlacesAfterwards, 868 TransitionsBefore, 868 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.8ms, 388 PlacesBefore, 388 PlacesAfterwards, 984 TransitionsBefore, 984 TransitionsAfterwards, 852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 436.6ms, 397 PlacesBefore, 397 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.9ms, 395 PlacesBefore, 395 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.5ms, 424 PlacesBefore, 423 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 472, Positive conditional cache size: 4, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 716.6ms, 431 PlacesBefore, 431 PlacesAfterwards, 1030 TransitionsBefore, 1030 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 672.9ms, 456 PlacesBefore, 456 PlacesAfterwards, 1158 TransitionsBefore, 1158 TransitionsAfterwards, 904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 624.6ms, 470 PlacesBefore, 468 PlacesAfterwards, 1164 TransitionsBefore, 1164 TransitionsAfterwards, 904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 724.0ms, 515 PlacesBefore, 515 PlacesAfterwards, 1299 TransitionsBefore, 1299 TransitionsAfterwards, 988 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 799.9ms, 545 PlacesBefore, 545 PlacesAfterwards, 1446 TransitionsBefore, 1446 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 887.9ms, 566 PlacesBefore, 566 PlacesAfterwards, 1491 TransitionsBefore, 1491 TransitionsAfterwards, 1114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1395.9ms, 605 PlacesBefore, 605 PlacesAfterwards, 1969 TransitionsBefore, 1969 TransitionsAfterwards, 1374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1967.4ms, 654 PlacesBefore, 654 PlacesAfterwards, 2415 TransitionsBefore, 2415 TransitionsAfterwards, 1550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2134.6ms, 687 PlacesBefore, 686 PlacesAfterwards, 2523 TransitionsBefore, 2523 TransitionsAfterwards, 1606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2152.6ms, 696 PlacesBefore, 696 PlacesAfterwards, 2538 TransitionsBefore, 2538 TransitionsAfterwards, 1628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2531.4ms, 724 PlacesBefore, 724 PlacesAfterwards, 2587 TransitionsBefore, 2587 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2423.4ms, 745 PlacesBefore, 745 PlacesAfterwards, 2669 TransitionsBefore, 2669 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2665.0ms, 757 PlacesBefore, 757 PlacesAfterwards, 2693 TransitionsBefore, 2693 TransitionsAfterwards, 1698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2812.0ms, 805 PlacesBefore, 805 PlacesAfterwards, 2799 TransitionsBefore, 2799 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2922.2ms, 838 PlacesBefore, 838 PlacesAfterwards, 2848 TransitionsBefore, 2848 TransitionsAfterwards, 1784 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3184.2ms, 876 PlacesBefore, 876 PlacesAfterwards, 2968 TransitionsBefore, 2968 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3130.8ms, 902 PlacesBefore, 902 PlacesAfterwards, 2993 TransitionsBefore, 2993 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3381.3ms, 903 PlacesBefore, 903 PlacesAfterwards, 3029 TransitionsBefore, 3029 TransitionsAfterwards, 1868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3086.5ms, 911 PlacesBefore, 911 PlacesAfterwards, 3030 TransitionsBefore, 3030 TransitionsAfterwards, 1868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3300.7ms, 923 PlacesBefore, 923 PlacesAfterwards, 3068 TransitionsBefore, 3068 TransitionsAfterwards, 1884 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3993.4ms, 951 PlacesBefore, 951 PlacesAfterwards, 3210 TransitionsBefore, 3210 TransitionsAfterwards, 2012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3672.8ms, 968 PlacesBefore, 968 PlacesAfterwards, 3215 TransitionsBefore, 3215 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3789.2ms, 976 PlacesBefore, 975 PlacesAfterwards, 3242 TransitionsBefore, 3242 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4342.1ms, 1005 PlacesBefore, 1004 PlacesAfterwards, 3466 TransitionsBefore, 3466 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4442.9ms, 1037 PlacesBefore, 1036 PlacesAfterwards, 3573 TransitionsBefore, 3573 TransitionsAfterwards, 2524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4416.7ms, 1061 PlacesBefore, 1060 PlacesAfterwards, 3604 TransitionsBefore, 3604 TransitionsAfterwards, 2596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4893.2ms, 1079 PlacesBefore, 1078 PlacesAfterwards, 3726 TransitionsBefore, 3726 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4989.7ms, 1101 PlacesBefore, 1099 PlacesAfterwards, 3780 TransitionsBefore, 3780 TransitionsAfterwards, 2768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4945.5ms, 1114 PlacesBefore, 1112 PlacesAfterwards, 3794 TransitionsBefore, 3794 TransitionsAfterwards, 2810 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5632.3ms, 1138 PlacesBefore, 1137 PlacesAfterwards, 3841 TransitionsBefore, 3841 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5007.5ms, 1158 PlacesBefore, 1154 PlacesAfterwards, 3880 TransitionsBefore, 3880 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5190.4ms, 1173 PlacesBefore, 1172 PlacesAfterwards, 3879 TransitionsBefore, 3879 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5382.0ms, 1179 PlacesBefore, 1178 PlacesAfterwards, 3887 TransitionsBefore, 3887 TransitionsAfterwards, 2854 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6160.3ms, 1205 PlacesBefore, 1204 PlacesAfterwards, 4007 TransitionsBefore, 4007 TransitionsAfterwards, 3088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5501.9ms, 1214 PlacesBefore, 1213 PlacesAfterwards, 4006 TransitionsBefore, 4006 TransitionsAfterwards, 3088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5576.9ms, 1233 PlacesBefore, 1232 PlacesAfterwards, 4132 TransitionsBefore, 4132 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5874.2ms, 1246 PlacesBefore, 1245 PlacesAfterwards, 4131 TransitionsBefore, 4131 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5917.4ms, 1253 PlacesBefore, 1252 PlacesAfterwards, 4130 TransitionsBefore, 4130 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5691.8ms, 1276 PlacesBefore, 1275 PlacesAfterwards, 4130 TransitionsBefore, 4130 TransitionsAfterwards, 3246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5666.1ms, 1283 PlacesBefore, 1281 PlacesAfterwards, 4138 TransitionsBefore, 4138 TransitionsAfterwards, 3248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5991.4ms, 1308 PlacesBefore, 1307 PlacesAfterwards, 4187 TransitionsBefore, 4187 TransitionsAfterwards, 3336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5619.7ms, 1319 PlacesBefore, 1318 PlacesAfterwards, 4187 TransitionsBefore, 4187 TransitionsAfterwards, 3340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6098.9ms, 1345 PlacesBefore, 1344 PlacesAfterwards, 4264 TransitionsBefore, 4264 TransitionsAfterwards, 3454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6206.4ms, 1351 PlacesBefore, 1350 PlacesAfterwards, 4263 TransitionsBefore, 4263 TransitionsAfterwards, 3454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6084.2ms, 1374 PlacesBefore, 1371 PlacesAfterwards, 4258 TransitionsBefore, 4258 TransitionsAfterwards, 3426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 473, Positive conditional cache size: 5, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 79). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 1374 places, 4257 transitions, 142110 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 1374 places, 4257 transitions, 142110 flow,while PetriNetUnfolder was constructing finite prefix that currently has 109431 conditions, 6826 events (3267/6825 cut-off events. For 501516/501655 co-relation queries the response was YES. Maximal size of possible extension queue 978. Compared 63802 event pairs, 101 based on Foata normal form. 5/6868 useless extension candidates. Maximal degree in co-relation 109007. Up to 2207 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 816575.3ms, OverallIterations: 84, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 613633.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 441.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3272 SDtfs, 4477 SDslu, 4174 SDs, 0 SdLazy, 87030 SolverSat, 2292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29641.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2697 GetRequests, 23 SyntacticMatches, 181 SemanticMatches, 2493 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16007 ImplicationChecksByTransitivity, 39430.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=142110occurred in iteration=84, InterpolantAutomatonStates: 2331, 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: 62.6ms SsaConstructionTime, 289.2ms SatisfiabilityAnalysisTime, 12412.4ms InterpolantComputationTime, 1919 NumberOfCodeBlocks, 1919 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 1835 ConstructedInterpolants, 0 QuantifiedInterpolants, 21915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 84 InterpolantComputations, 84 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