/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 03:48:12,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 03:48:12,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 03:48:12,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 03:48:12,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 03:48:12,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 03:48:12,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 03:48:12,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 03:48:12,507 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 03:48:12,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 03:48:12,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 03:48:12,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 03:48:12,509 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 03:48:12,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 03:48:12,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 03:48:12,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 03:48:12,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 03:48:12,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 03:48:12,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 03:48:12,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 03:48:12,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 03:48:12,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 03:48:12,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 03:48:12,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:12,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 03:48:12,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 03:48:12,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 03:48:12,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 03:48:12,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 03:48:12,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 03:48:12,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 03:48:12,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 03:48:12,513 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 03:48:12,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 03:48:12,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 03:48:12,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 03:48:12,843 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 03:48:12,844 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 03:48:12,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl [2021-03-26 03:48:12,846 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl' [2021-03-26 03:48:12,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 03:48:12,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 03:48:12,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:12,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 03:48:12,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 03:48:12,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:12,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 03:48:12,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 03:48:12,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 03:48:12,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... [2021-03-26 03:48:12,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 03:48:12,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 03:48:12,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 03:48:12,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 03:48:12,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:12,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 03:48:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 03:48:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 03:48:12,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 03:48:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 03:48:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 03:48:12,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 03:48:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 03:48:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 03:48:12,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 03:48:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 03:48:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 03:48:12,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 03:48:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 03:48:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 03:48:12,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 03:48:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 03:48:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 03:48:12,965 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 03:48:13,099 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 03:48:13,099 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 03:48:13,101 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:13 BoogieIcfgContainer [2021-03-26 03:48:13,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 03:48:13,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 03:48:13,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 03:48:13,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 03:48:13,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:12" (1/2) ... [2021-03-26 03:48:13,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a30a15 and model type example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:48:13, skipping insertion in model container [2021-03-26 03:48:13,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:13" (2/2) ... [2021-03-26 03:48:13,106 INFO L111 eAbstractionObserver]: Analyzing ICFG example_5.bpl [2021-03-26 03:48:13,118 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 03:48:13,121 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 03:48:13,122 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 03:48:13,234 INFO L149 ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions. [2021-03-26 03:48:13,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 03:48:13,286 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 03:48:13,287 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 03:48:13,287 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 03:48:13,287 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 03:48:13,287 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 03:48:13,287 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 03:48:13,287 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 03:48:13,287 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 03:48:13,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 48 transitions, 196 flow [2021-03-26 03:48:13,387 INFO L129 PetriNetUnfolder]: 49/98 cut-off events. [2021-03-26 03:48:13,387 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 03:48:13,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 98 events. 49/98 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 331 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 86. Up to 30 conditions per place. [2021-03-26 03:48:13,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 48 transitions, 196 flow [2021-03-26 03:48:13,406 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 41 transitions, 172 flow [2021-03-26 03:48:13,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:13,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 41 transitions, 172 flow [2021-03-26 03:48:13,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 41 transitions, 172 flow [2021-03-26 03:48:13,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 41 transitions, 172 flow [2021-03-26 03:48:13,467 INFO L129 PetriNetUnfolder]: 49/96 cut-off events. [2021-03-26 03:48:13,468 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 03:48:13,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 96 events. 49/96 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 272 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 86. Up to 30 conditions per place. [2021-03-26 03:48:13,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 440 [2021-03-26 03:48:13,560 INFO L154 LiptonReduction]: Checked pairs total: 130 [2021-03-26 03:48:13,560 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 03:48:13,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 03:48:13,598 INFO L129 PetriNetUnfolder]: 49/90 cut-off events. [2021-03-26 03:48:13,599 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 03:48:13,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:13,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:13,600 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:13,607 INFO L82 PathProgramCache]: Analyzing trace with hash 558068446, now seen corresponding path program 1 times [2021-03-26 03:48:13,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:13,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785619088] [2021-03-26 03:48:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:13,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:13,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:13,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785619088] [2021-03-26 03:48:13,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:13,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:13,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643957612] [2021-03-26 03:48:13,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:13,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:13,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:13,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:13,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 03:48:13,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 36 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:13,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 03:48:13,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:13,826 INFO L129 PetriNetUnfolder]: 33/70 cut-off events. [2021-03-26 03:48:13,826 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2021-03-26 03:48:13,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 70 events. 33/70 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 173 event pairs, 0 based on Foata normal form. 5/75 useless extension candidates. Maximal degree in co-relation 75. Up to 20 conditions per place. [2021-03-26 03:48:13,828 INFO L132 encePairwiseOnDemand]: 50/53 looper letters, 3 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-03-26 03:48:13,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 34 transitions, 160 flow [2021-03-26 03:48:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2021-03-26 03:48:13,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2021-03-26 03:48:13,839 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 147 transitions. [2021-03-26 03:48:13,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 147 transitions. [2021-03-26 03:48:13,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:13,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 147 transitions. [2021-03-26 03:48:13,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,848 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,850 INFO L185 Difference]: Start difference. First operand has 32 places, 36 transitions, 162 flow. Second operand 3 states and 147 transitions. [2021-03-26 03:48:13,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 34 transitions, 160 flow [2021-03-26 03:48:13,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 34 transitions, 104 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-03-26 03:48:13,856 INFO L241 Difference]: Finished difference. Result has 24 places, 34 transitions, 98 flow [2021-03-26 03:48:13,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=24, PETRI_TRANSITIONS=34} [2021-03-26 03:48:13,858 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -8 predicate places. [2021-03-26 03:48:13,858 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:13,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 34 transitions, 98 flow [2021-03-26 03:48:13,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 34 transitions, 98 flow [2021-03-26 03:48:13,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 34 transitions, 98 flow [2021-03-26 03:48:13,866 INFO L129 PetriNetUnfolder]: 33/70 cut-off events. [2021-03-26 03:48:13,866 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:13,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 70 events. 33/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 167 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 69. Up to 20 conditions per place. [2021-03-26 03:48:13,867 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 03:48:13,869 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:13,869 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:13,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 03:48:13,871 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 34 transitions, 98 flow [2021-03-26 03:48:13,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:13,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:13,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 03:48:13,872 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:13,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:13,872 INFO L82 PathProgramCache]: Analyzing trace with hash 168192128, now seen corresponding path program 1 times [2021-03-26 03:48:13,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:13,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329215905] [2021-03-26 03:48:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:13,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:13,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:13,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329215905] [2021-03-26 03:48:13,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:13,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:13,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764108575] [2021-03-26 03:48:13,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:13,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:13,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:13,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:13,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 03:48:13,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 34 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:13,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 03:48:13,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:13,907 INFO L129 PetriNetUnfolder]: 8/31 cut-off events. [2021-03-26 03:48:13,907 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 03:48:13,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 31 events. 8/31 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 11/42 useless extension candidates. Maximal degree in co-relation 32. Up to 6 conditions per place. [2021-03-26 03:48:13,908 INFO L132 encePairwiseOnDemand]: 48/53 looper letters, 1 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2021-03-26 03:48:13,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 26 transitions, 78 flow [2021-03-26 03:48:13,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2021-03-26 03:48:13,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2021-03-26 03:48:13,910 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 147 transitions. [2021-03-26 03:48:13,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 147 transitions. [2021-03-26 03:48:13,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:13,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 147 transitions. [2021-03-26 03:48:13,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,912 INFO L185 Difference]: Start difference. First operand has 24 places, 34 transitions, 98 flow. Second operand 3 states and 147 transitions. [2021-03-26 03:48:13,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 26 transitions, 78 flow [2021-03-26 03:48:13,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 26 transitions, 77 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:13,914 INFO L241 Difference]: Finished difference. Result has 25 places, 26 transitions, 75 flow [2021-03-26 03:48:13,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=25, PETRI_TRANSITIONS=26} [2021-03-26 03:48:13,914 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -7 predicate places. [2021-03-26 03:48:13,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:13,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 26 transitions, 75 flow [2021-03-26 03:48:13,915 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 26 transitions, 75 flow [2021-03-26 03:48:13,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 26 transitions, 75 flow [2021-03-26 03:48:13,918 INFO L129 PetriNetUnfolder]: 8/31 cut-off events. [2021-03-26 03:48:13,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:13,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 8/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2021-03-26 03:48:13,918 INFO L142 LiptonReduction]: Number of co-enabled transitions 116 [2021-03-26 03:48:13,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:13,920 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:13,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 03:48:13,921 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 26 transitions, 75 flow [2021-03-26 03:48:13,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:13,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:13,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 03:48:13,922 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:13,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1394564792, now seen corresponding path program 1 times [2021-03-26 03:48:13,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:13,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99716292] [2021-03-26 03:48:13,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:13,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:13,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:13,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:13,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:13,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99716292] [2021-03-26 03:48:13,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:13,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:13,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463123877] [2021-03-26 03:48:13,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:13,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:13,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:13,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:13,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 03:48:13,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 26 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:13,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 03:48:13,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:13,972 INFO L129 PetriNetUnfolder]: 6/28 cut-off events. [2021-03-26 03:48:13,972 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 03:48:13,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 6/28 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 32. Up to 6 conditions per place. [2021-03-26 03:48:13,972 INFO L132 encePairwiseOnDemand]: 51/53 looper letters, 3 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-26 03:48:13,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 25 transitions, 80 flow [2021-03-26 03:48:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-03-26 03:48:13,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2021-03-26 03:48:13,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-03-26 03:48:13,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-03-26 03:48:13,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:13,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-03-26 03:48:13,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,976 INFO L185 Difference]: Start difference. First operand has 25 places, 26 transitions, 75 flow. Second operand 3 states and 146 transitions. [2021-03-26 03:48:13,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 25 transitions, 80 flow [2021-03-26 03:48:13,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 79 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:13,978 INFO L241 Difference]: Finished difference. Result has 26 places, 25 transitions, 73 flow [2021-03-26 03:48:13,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=26, PETRI_TRANSITIONS=25} [2021-03-26 03:48:13,978 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -6 predicate places. [2021-03-26 03:48:13,978 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:13,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 25 transitions, 73 flow [2021-03-26 03:48:13,979 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 25 transitions, 73 flow [2021-03-26 03:48:13,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 25 transitions, 73 flow [2021-03-26 03:48:13,982 INFO L129 PetriNetUnfolder]: 6/28 cut-off events. [2021-03-26 03:48:13,982 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:13,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 28 events. 6/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2021-03-26 03:48:13,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-26 03:48:13,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:13,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:13,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 03:48:13,986 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 25 transitions, 73 flow [2021-03-26 03:48:13,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:13,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:13,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:13,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 03:48:13,986 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:13,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:13,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1076427874, now seen corresponding path program 1 times [2021-03-26 03:48:13,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:13,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739961766] [2021-03-26 03:48:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:14,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:14,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739961766] [2021-03-26 03:48:14,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:14,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:14,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021327450] [2021-03-26 03:48:14,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:14,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:14,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:14,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:14,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 03:48:14,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 25 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:14,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 03:48:14,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:14,015 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 03:48:14,016 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 03:48:14,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 16 events. 0/16 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 7 event pairs, 0 based on Foata normal form. 3/19 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 03:48:14,016 INFO L132 encePairwiseOnDemand]: 49/53 looper letters, 1 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2021-03-26 03:48:14,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 16 transitions, 50 flow [2021-03-26 03:48:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-03-26 03:48:14,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2021-03-26 03:48:14,018 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-03-26 03:48:14,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-03-26 03:48:14,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:14,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-03-26 03:48:14,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,020 INFO L185 Difference]: Start difference. First operand has 26 places, 25 transitions, 73 flow. Second operand 3 states and 146 transitions. [2021-03-26 03:48:14,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 16 transitions, 50 flow [2021-03-26 03:48:14,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 16 transitions, 49 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:14,021 INFO L241 Difference]: Finished difference. Result has 27 places, 16 transitions, 47 flow [2021-03-26 03:48:14,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=27, PETRI_TRANSITIONS=16} [2021-03-26 03:48:14,021 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -5 predicate places. [2021-03-26 03:48:14,021 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:14,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 16 transitions, 47 flow [2021-03-26 03:48:14,022 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 16 transitions, 47 flow [2021-03-26 03:48:14,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 16 transitions, 47 flow [2021-03-26 03:48:14,024 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 03:48:14,025 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:14,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-26 03:48:14,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 03:48:14,026 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:14,026 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:14,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 03:48:14,027 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 16 transitions, 47 flow [2021-03-26 03:48:14,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:14,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:14,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 03:48:14,028 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:14,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:14,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1201939170, now seen corresponding path program 1 times [2021-03-26 03:48:14,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:14,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839766046] [2021-03-26 03:48:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:14,115 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:14,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:14,166 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:14,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:14,191 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:14,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:14,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839766046] [2021-03-26 03:48:14,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:14,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:14,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083974075] [2021-03-26 03:48:14,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:14,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:14,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:14,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:14,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:14,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 16 transitions, 47 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:14,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:14,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:14,309 INFO L129 PetriNetUnfolder]: 51/136 cut-off events. [2021-03-26 03:48:14,309 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:14,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 136 events. 51/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 552 event pairs, 17 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 241. Up to 41 conditions per place. [2021-03-26 03:48:14,314 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 4 changer transitions 1/29 dead transitions. [2021-03-26 03:48:14,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 111 flow [2021-03-26 03:48:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:14,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:14,319 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:14,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,324 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,324 INFO L185 Difference]: Start difference. First operand has 27 places, 16 transitions, 47 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:14,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 111 flow [2021-03-26 03:48:14,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 29 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:14,327 INFO L241 Difference]: Finished difference. Result has 37 places, 19 transitions, 77 flow [2021-03-26 03:48:14,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=77, PETRI_PLACES=37, PETRI_TRANSITIONS=19} [2021-03-26 03:48:14,327 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 5 predicate places. [2021-03-26 03:48:14,328 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:14,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 19 transitions, 77 flow [2021-03-26 03:48:14,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 19 transitions, 77 flow [2021-03-26 03:48:14,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 19 transitions, 77 flow [2021-03-26 03:48:14,333 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 03:48:14,334 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 03:48:14,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 39 events. 0/39 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-26 03:48:14,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-26 03:48:14,337 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:14,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:14,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 03:48:14,339 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 19 transitions, 77 flow [2021-03-26 03:48:14,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:14,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:14,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 03:48:14,341 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:14,341 INFO L82 PathProgramCache]: Analyzing trace with hash -153380320, now seen corresponding path program 2 times [2021-03-26 03:48:14,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:14,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424834177] [2021-03-26 03:48:14,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:14,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:14,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:14,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:14,467 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:14,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:14,502 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:14,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:14,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424834177] [2021-03-26 03:48:14,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:14,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:14,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949320771] [2021-03-26 03:48:14,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:14,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:14,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:14,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:14,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:14,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 19 transitions, 77 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:14,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:14,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:14,601 INFO L129 PetriNetUnfolder]: 53/184 cut-off events. [2021-03-26 03:48:14,601 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-03-26 03:48:14,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 184 events. 53/184 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 972 event pairs, 17 based on Foata normal form. 1/171 useless extension candidates. Maximal degree in co-relation 442. Up to 50 conditions per place. [2021-03-26 03:48:14,603 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 7 changer transitions 1/32 dead transitions. [2021-03-26 03:48:14,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 177 flow [2021-03-26 03:48:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:14,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:14,605 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:14,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,608 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,608 INFO L185 Difference]: Start difference. First operand has 36 places, 19 transitions, 77 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:14,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 177 flow [2021-03-26 03:48:14,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 164 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:14,612 INFO L241 Difference]: Finished difference. Result has 45 places, 22 transitions, 122 flow [2021-03-26 03:48:14,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=122, PETRI_PLACES=45, PETRI_TRANSITIONS=22} [2021-03-26 03:48:14,612 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 13 predicate places. [2021-03-26 03:48:14,612 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:14,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 22 transitions, 122 flow [2021-03-26 03:48:14,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 22 transitions, 122 flow [2021-03-26 03:48:14,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 22 transitions, 122 flow [2021-03-26 03:48:14,620 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-03-26 03:48:14,621 INFO L130 PetriNetUnfolder]: For 56/63 co-relation queries the response was YES. [2021-03-26 03:48:14,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 66 events. 0/66 cut-off events. For 56/63 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 292 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-03-26 03:48:14,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-26 03:48:14,623 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:14,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:14,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 03:48:14,628 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 22 transitions, 122 flow [2021-03-26 03:48:14,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:14,629 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:14,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 03:48:14,629 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:14,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:14,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1999782006, now seen corresponding path program 3 times [2021-03-26 03:48:14,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:14,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044695888] [2021-03-26 03:48:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:14,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:14,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:14,732 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:14,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:14,758 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:14,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:14,782 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:14,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:14,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044695888] [2021-03-26 03:48:14,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:14,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:14,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499540516] [2021-03-26 03:48:14,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:14,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:14,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:14,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:14,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:14,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 22 transitions, 122 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:14,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:14,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:14,896 INFO L129 PetriNetUnfolder]: 50/258 cut-off events. [2021-03-26 03:48:14,896 INFO L130 PetriNetUnfolder]: For 502/518 co-relation queries the response was YES. [2021-03-26 03:48:14,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 258 events. 50/258 cut-off events. For 502/518 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1768 event pairs, 15 based on Foata normal form. 1/246 useless extension candidates. Maximal degree in co-relation 743. Up to 67 conditions per place. [2021-03-26 03:48:14,898 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 9 changer transitions 3/44 dead transitions. [2021-03-26 03:48:14,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 44 transitions, 346 flow [2021-03-26 03:48:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:14,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:14,900 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:14,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:14,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,902 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,902 INFO L185 Difference]: Start difference. First operand has 44 places, 22 transitions, 122 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:14,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 44 transitions, 346 flow [2021-03-26 03:48:14,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 318 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:14,905 INFO L241 Difference]: Finished difference. Result has 53 places, 29 transitions, 218 flow [2021-03-26 03:48:14,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=218, PETRI_PLACES=53, PETRI_TRANSITIONS=29} [2021-03-26 03:48:14,906 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 21 predicate places. [2021-03-26 03:48:14,906 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:14,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 29 transitions, 218 flow [2021-03-26 03:48:14,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 29 transitions, 218 flow [2021-03-26 03:48:14,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 29 transitions, 218 flow [2021-03-26 03:48:14,917 INFO L129 PetriNetUnfolder]: 0/138 cut-off events. [2021-03-26 03:48:14,917 INFO L130 PetriNetUnfolder]: For 219/224 co-relation queries the response was YES. [2021-03-26 03:48:14,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 138 events. 0/138 cut-off events. For 219/224 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 940 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 03:48:14,918 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 03:48:14,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:14,920 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:14,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 03:48:14,921 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 218 flow [2021-03-26 03:48:14,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:14,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:14,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 03:48:14,922 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:14,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2138499552, now seen corresponding path program 4 times [2021-03-26 03:48:14,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:14,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717252920] [2021-03-26 03:48:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:14,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:14,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:14,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:14,977 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:14,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:15,009 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:15,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:15,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717252920] [2021-03-26 03:48:15,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:15,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:15,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14725221] [2021-03-26 03:48:15,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:15,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:15,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:15,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:15,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:15,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 29 transitions, 218 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:15,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:15,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:15,110 INFO L129 PetriNetUnfolder]: 50/294 cut-off events. [2021-03-26 03:48:15,111 INFO L130 PetriNetUnfolder]: For 838/845 co-relation queries the response was YES. [2021-03-26 03:48:15,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 294 events. 50/294 cut-off events. For 838/845 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2291 event pairs, 15 based on Foata normal form. 1/277 useless extension candidates. Maximal degree in co-relation 928. Up to 78 conditions per place. [2021-03-26 03:48:15,113 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 23 selfloop transitions, 15 changer transitions 1/49 dead transitions. [2021-03-26 03:48:15,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 49 transitions, 459 flow [2021-03-26 03:48:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:15,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:15,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:15,115 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:15,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,125 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,126 INFO L185 Difference]: Start difference. First operand has 52 places, 29 transitions, 218 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:15,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 49 transitions, 459 flow [2021-03-26 03:48:15,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 435 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:15,130 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 373 flow [2021-03-26 03:48:15,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=373, PETRI_PLACES=60, PETRI_TRANSITIONS=38} [2021-03-26 03:48:15,130 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 28 predicate places. [2021-03-26 03:48:15,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:15,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 373 flow [2021-03-26 03:48:15,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 373 flow [2021-03-26 03:48:15,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 38 transitions, 373 flow [2021-03-26 03:48:15,144 INFO L129 PetriNetUnfolder]: 0/169 cut-off events. [2021-03-26 03:48:15,144 INFO L130 PetriNetUnfolder]: For 569/618 co-relation queries the response was YES. [2021-03-26 03:48:15,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 169 events. 0/169 cut-off events. For 569/618 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1264 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-03-26 03:48:15,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-26 03:48:15,148 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:15,148 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:15,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 03:48:15,149 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 38 transitions, 373 flow [2021-03-26 03:48:15,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:15,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:15,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 03:48:15,150 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:15,150 INFO L82 PathProgramCache]: Analyzing trace with hash -46258848, now seen corresponding path program 5 times [2021-03-26 03:48:15,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:15,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353234421] [2021-03-26 03:48:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:15,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:15,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:15,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:15,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:15,208 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:15,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:15,227 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:15,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:15,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353234421] [2021-03-26 03:48:15,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:15,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:15,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387472465] [2021-03-26 03:48:15,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:15,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:15,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:15,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:15,248 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:15,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 38 transitions, 373 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:15,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:15,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:15,340 INFO L129 PetriNetUnfolder]: 47/316 cut-off events. [2021-03-26 03:48:15,340 INFO L130 PetriNetUnfolder]: For 1299/1316 co-relation queries the response was YES. [2021-03-26 03:48:15,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 316 events. 47/316 cut-off events. For 1299/1316 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2501 event pairs, 20 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 1104. Up to 76 conditions per place. [2021-03-26 03:48:15,343 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 20 changer transitions 1/53 dead transitions. [2021-03-26 03:48:15,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 580 flow [2021-03-26 03:48:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:15,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:15,344 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:15,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,346 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,346 INFO L185 Difference]: Start difference. First operand has 59 places, 38 transitions, 373 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:15,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 580 flow [2021-03-26 03:48:15,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 53 transitions, 555 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:15,352 INFO L241 Difference]: Finished difference. Result has 68 places, 42 transitions, 477 flow [2021-03-26 03:48:15,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=477, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2021-03-26 03:48:15,352 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 36 predicate places. [2021-03-26 03:48:15,352 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:15,352 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 42 transitions, 477 flow [2021-03-26 03:48:15,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 42 transitions, 477 flow [2021-03-26 03:48:15,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 42 transitions, 477 flow [2021-03-26 03:48:15,368 INFO L129 PetriNetUnfolder]: 0/189 cut-off events. [2021-03-26 03:48:15,369 INFO L130 PetriNetUnfolder]: For 931/1072 co-relation queries the response was YES. [2021-03-26 03:48:15,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 189 events. 0/189 cut-off events. For 931/1072 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1490 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-03-26 03:48:15,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-26 03:48:15,374 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:15,374 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:15,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 03:48:15,375 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 42 transitions, 477 flow [2021-03-26 03:48:15,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:15,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:15,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 03:48:15,376 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:15,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:15,377 INFO L82 PathProgramCache]: Analyzing trace with hash -254727096, now seen corresponding path program 6 times [2021-03-26 03:48:15,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:15,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761642227] [2021-03-26 03:48:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:15,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:15,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:15,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:15,412 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:15,427 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:15,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:15,450 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:15,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:15,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761642227] [2021-03-26 03:48:15,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:15,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:15,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782500739] [2021-03-26 03:48:15,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:15,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:15,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:15,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:15,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:15,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 42 transitions, 477 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:15,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:15,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:15,580 INFO L129 PetriNetUnfolder]: 41/351 cut-off events. [2021-03-26 03:48:15,580 INFO L130 PetriNetUnfolder]: For 1894/1908 co-relation queries the response was YES. [2021-03-26 03:48:15,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1366 conditions, 351 events. 41/351 cut-off events. For 1894/1908 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3021 event pairs, 21 based on Foata normal form. 3/339 useless extension candidates. Maximal degree in co-relation 1338. Up to 74 conditions per place. [2021-03-26 03:48:15,583 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 20 changer transitions 3/61 dead transitions. [2021-03-26 03:48:15,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 61 transitions, 789 flow [2021-03-26 03:48:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:15,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:15,585 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:15,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,587 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,587 INFO L185 Difference]: Start difference. First operand has 67 places, 42 transitions, 477 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:15,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 61 transitions, 789 flow [2021-03-26 03:48:15,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 745 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:15,595 INFO L241 Difference]: Finished difference. Result has 76 places, 46 transitions, 579 flow [2021-03-26 03:48:15,595 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=579, PETRI_PLACES=76, PETRI_TRANSITIONS=46} [2021-03-26 03:48:15,595 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 44 predicate places. [2021-03-26 03:48:15,595 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:15,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 46 transitions, 579 flow [2021-03-26 03:48:15,596 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 46 transitions, 579 flow [2021-03-26 03:48:15,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 46 transitions, 579 flow [2021-03-26 03:48:15,618 INFO L129 PetriNetUnfolder]: 0/232 cut-off events. [2021-03-26 03:48:15,618 INFO L130 PetriNetUnfolder]: For 1475/1619 co-relation queries the response was YES. [2021-03-26 03:48:15,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 232 events. 0/232 cut-off events. For 1475/1619 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1995 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2021-03-26 03:48:15,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 03:48:15,623 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:15,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:15,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 03:48:15,625 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 46 transitions, 579 flow [2021-03-26 03:48:15,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:15,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:15,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 03:48:15,626 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:15,626 INFO L82 PathProgramCache]: Analyzing trace with hash 421796960, now seen corresponding path program 7 times [2021-03-26 03:48:15,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:15,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252638335] [2021-03-26 03:48:15,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:15,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:15,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:15,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:15,679 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:15,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:15,701 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:15,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:15,722 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:15,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252638335] [2021-03-26 03:48:15,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:15,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:15,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147686135] [2021-03-26 03:48:15,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:15,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:15,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:15,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:15,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:15,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 46 transitions, 579 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:15,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:15,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:15,831 INFO L129 PetriNetUnfolder]: 41/349 cut-off events. [2021-03-26 03:48:15,832 INFO L130 PetriNetUnfolder]: For 2302/2368 co-relation queries the response was YES. [2021-03-26 03:48:15,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 349 events. 41/349 cut-off events. For 2302/2368 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2975 event pairs, 17 based on Foata normal form. 8/340 useless extension candidates. Maximal degree in co-relation 1403. Up to 77 conditions per place. [2021-03-26 03:48:15,834 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 24 changer transitions 3/62 dead transitions. [2021-03-26 03:48:15,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 62 transitions, 861 flow [2021-03-26 03:48:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:15,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:15,836 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:15,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:15,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,838 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,838 INFO L185 Difference]: Start difference. First operand has 75 places, 46 transitions, 579 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:15,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 62 transitions, 861 flow [2021-03-26 03:48:15,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 62 transitions, 816 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:15,846 INFO L241 Difference]: Finished difference. Result has 82 places, 50 transitions, 702 flow [2021-03-26 03:48:15,847 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=702, PETRI_PLACES=82, PETRI_TRANSITIONS=50} [2021-03-26 03:48:15,847 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 50 predicate places. [2021-03-26 03:48:15,847 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:15,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 50 transitions, 702 flow [2021-03-26 03:48:15,847 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 50 transitions, 702 flow [2021-03-26 03:48:15,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 50 transitions, 702 flow [2021-03-26 03:48:15,869 INFO L129 PetriNetUnfolder]: 0/227 cut-off events. [2021-03-26 03:48:15,869 INFO L130 PetriNetUnfolder]: For 1612/1702 co-relation queries the response was YES. [2021-03-26 03:48:15,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 805 conditions, 227 events. 0/227 cut-off events. For 1612/1702 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1931 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 03:48:15,871 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-26 03:48:15,875 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:15,876 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:15,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 03:48:15,877 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 50 transitions, 702 flow [2021-03-26 03:48:15,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:15,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:15,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 03:48:15,878 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:15,878 INFO L82 PathProgramCache]: Analyzing trace with hash -256403714, now seen corresponding path program 8 times [2021-03-26 03:48:15,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:15,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837895452] [2021-03-26 03:48:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:15,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:15,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:15,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:15,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:15,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:15,939 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:15,960 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:15,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837895452] [2021-03-26 03:48:15,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:15,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:15,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382955631] [2021-03-26 03:48:15,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:15,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:15,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:15,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:15,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:15,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 50 transitions, 702 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:15,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:15,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:16,100 INFO L129 PetriNetUnfolder]: 34/416 cut-off events. [2021-03-26 03:48:16,100 INFO L130 PetriNetUnfolder]: For 3453/3485 co-relation queries the response was YES. [2021-03-26 03:48:16,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1864 conditions, 416 events. 34/416 cut-off events. For 3453/3485 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3811 event pairs, 6 based on Foata normal form. 1/397 useless extension candidates. Maximal degree in co-relation 1830. Up to 115 conditions per place. [2021-03-26 03:48:16,104 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 55 selfloop transitions, 24 changer transitions 4/93 dead transitions. [2021-03-26 03:48:16,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 1556 flow [2021-03-26 03:48:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:16,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:16,106 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:16,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,107 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,108 INFO L185 Difference]: Start difference. First operand has 81 places, 50 transitions, 702 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:16,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 1556 flow [2021-03-26 03:48:16,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 1498 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:16,121 INFO L241 Difference]: Finished difference. Result has 89 places, 66 transitions, 1081 flow [2021-03-26 03:48:16,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1081, PETRI_PLACES=89, PETRI_TRANSITIONS=66} [2021-03-26 03:48:16,121 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 57 predicate places. [2021-03-26 03:48:16,121 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:16,122 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 66 transitions, 1081 flow [2021-03-26 03:48:16,122 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 66 transitions, 1081 flow [2021-03-26 03:48:16,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 66 transitions, 1081 flow [2021-03-26 03:48:16,152 INFO L129 PetriNetUnfolder]: 0/345 cut-off events. [2021-03-26 03:48:16,152 INFO L130 PetriNetUnfolder]: For 2900/2972 co-relation queries the response was YES. [2021-03-26 03:48:16,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1287 conditions, 345 events. 0/345 cut-off events. For 2900/2972 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3336 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 03:48:16,156 INFO L142 LiptonReduction]: Number of co-enabled transitions 230 [2021-03-26 03:48:16,162 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:16,162 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:16,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 03:48:16,163 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 66 transitions, 1081 flow [2021-03-26 03:48:16,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:16,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:16,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 03:48:16,164 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:16,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:16,164 INFO L82 PathProgramCache]: Analyzing trace with hash 41398628, now seen corresponding path program 9 times [2021-03-26 03:48:16,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:16,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919804697] [2021-03-26 03:48:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:16,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:16,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:16,185 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:16,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:16,202 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:16,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:16,218 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:16,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:16,241 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:16,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:16,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919804697] [2021-03-26 03:48:16,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:16,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:16,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722995138] [2021-03-26 03:48:16,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:16,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:16,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:16,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:16,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:16,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 66 transitions, 1081 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:16,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:16,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:16,406 INFO L129 PetriNetUnfolder]: 33/436 cut-off events. [2021-03-26 03:48:16,407 INFO L130 PetriNetUnfolder]: For 3835/3931 co-relation queries the response was YES. [2021-03-26 03:48:16,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 436 events. 33/436 cut-off events. For 3835/3931 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4136 event pairs, 21 based on Foata normal form. 8/426 useless extension candidates. Maximal degree in co-relation 1908. Up to 94 conditions per place. [2021-03-26 03:48:16,410 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 24 selfloop transitions, 40 changer transitions 3/77 dead transitions. [2021-03-26 03:48:16,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 77 transitions, 1341 flow [2021-03-26 03:48:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:16,412 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:16,412 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:16,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,414 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,414 INFO L185 Difference]: Start difference. First operand has 88 places, 66 transitions, 1081 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:16,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 77 transitions, 1341 flow [2021-03-26 03:48:16,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 77 transitions, 1310 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:16,432 INFO L241 Difference]: Finished difference. Result has 94 places, 67 transitions, 1170 flow [2021-03-26 03:48:16,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1170, PETRI_PLACES=94, PETRI_TRANSITIONS=67} [2021-03-26 03:48:16,433 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 62 predicate places. [2021-03-26 03:48:16,433 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:16,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 67 transitions, 1170 flow [2021-03-26 03:48:16,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 67 transitions, 1170 flow [2021-03-26 03:48:16,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 67 transitions, 1170 flow [2021-03-26 03:48:16,471 INFO L129 PetriNetUnfolder]: 0/347 cut-off events. [2021-03-26 03:48:16,471 INFO L130 PetriNetUnfolder]: For 3388/3464 co-relation queries the response was YES. [2021-03-26 03:48:16,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 347 events. 0/347 cut-off events. For 3388/3464 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3365 event pairs, 0 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 03:48:16,475 INFO L142 LiptonReduction]: Number of co-enabled transitions 236 [2021-03-26 03:48:16,482 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:16,482 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:16,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 03:48:16,483 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 67 transitions, 1170 flow [2021-03-26 03:48:16,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:16,483 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:16,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 03:48:16,483 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:16,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:16,484 INFO L82 PathProgramCache]: Analyzing trace with hash 289139752, now seen corresponding path program 10 times [2021-03-26 03:48:16,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:16,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603036255] [2021-03-26 03:48:16,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:16,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:16,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:16,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:16,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:16,537 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:16,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:16,557 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:16,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:16,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603036255] [2021-03-26 03:48:16,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:16,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:16,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724951817] [2021-03-26 03:48:16,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:16,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:16,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:16,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:16,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:16,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 67 transitions, 1170 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:16,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:16,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:16,702 INFO L129 PetriNetUnfolder]: 24/467 cut-off events. [2021-03-26 03:48:16,702 INFO L130 PetriNetUnfolder]: For 4467/4568 co-relation queries the response was YES. [2021-03-26 03:48:16,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2149 conditions, 467 events. 24/467 cut-off events. For 4467/4568 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4645 event pairs, 19 based on Foata normal form. 8/455 useless extension candidates. Maximal degree in co-relation 2111. Up to 95 conditions per place. [2021-03-26 03:48:16,705 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 49 selfloop transitions, 31 changer transitions 4/94 dead transitions. [2021-03-26 03:48:16,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 94 transitions, 1785 flow [2021-03-26 03:48:16,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:16,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:16,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:16,707 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:16,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,709 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,709 INFO L185 Difference]: Start difference. First operand has 93 places, 67 transitions, 1170 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:16,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 94 transitions, 1785 flow [2021-03-26 03:48:16,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 1671 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:16,725 INFO L241 Difference]: Finished difference. Result has 98 places, 76 transitions, 1369 flow [2021-03-26 03:48:16,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1369, PETRI_PLACES=98, PETRI_TRANSITIONS=76} [2021-03-26 03:48:16,725 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 66 predicate places. [2021-03-26 03:48:16,725 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:16,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 76 transitions, 1369 flow [2021-03-26 03:48:16,726 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 76 transitions, 1369 flow [2021-03-26 03:48:16,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 76 transitions, 1369 flow [2021-03-26 03:48:16,762 INFO L129 PetriNetUnfolder]: 0/416 cut-off events. [2021-03-26 03:48:16,763 INFO L130 PetriNetUnfolder]: For 4390/4472 co-relation queries the response was YES. [2021-03-26 03:48:16,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1661 conditions, 416 events. 0/416 cut-off events. For 4390/4472 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4283 event pairs, 0 based on Foata normal form. 2/406 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 03:48:16,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 03:48:16,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:16,775 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:16,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 03:48:16,776 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 76 transitions, 1369 flow [2021-03-26 03:48:16,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:16,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:16,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 03:48:16,776 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:16,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:16,776 INFO L82 PathProgramCache]: Analyzing trace with hash -297195642, now seen corresponding path program 11 times [2021-03-26 03:48:16,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:16,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761003635] [2021-03-26 03:48:16,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:16,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:16,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:16,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:16,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:16,803 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:16,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:16,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:16,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:16,836 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:16,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:16,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761003635] [2021-03-26 03:48:16,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:16,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:16,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174925418] [2021-03-26 03:48:16,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:16,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:16,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:16,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:16,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 76 transitions, 1369 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:16,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:16,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:16,975 INFO L129 PetriNetUnfolder]: 21/485 cut-off events. [2021-03-26 03:48:16,975 INFO L130 PetriNetUnfolder]: For 4834/4970 co-relation queries the response was YES. [2021-03-26 03:48:16,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2264 conditions, 485 events. 21/485 cut-off events. For 4834/4970 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4905 event pairs, 21 based on Foata normal form. 8/472 useless extension candidates. Maximal degree in co-relation 2224. Up to 95 conditions per place. [2021-03-26 03:48:16,979 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 39 changer transitions 2/96 dead transitions. [2021-03-26 03:48:16,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 1881 flow [2021-03-26 03:48:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:16,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:16,980 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:16,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:16,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,982 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:16,982 INFO L185 Difference]: Start difference. First operand has 97 places, 76 transitions, 1369 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:16,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 1881 flow [2021-03-26 03:48:17,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 96 transitions, 1824 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:17,003 INFO L241 Difference]: Finished difference. Result has 104 places, 87 transitions, 1663 flow [2021-03-26 03:48:17,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1327, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1663, PETRI_PLACES=104, PETRI_TRANSITIONS=87} [2021-03-26 03:48:17,003 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 72 predicate places. [2021-03-26 03:48:17,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:17,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 87 transitions, 1663 flow [2021-03-26 03:48:17,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 87 transitions, 1663 flow [2021-03-26 03:48:17,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 87 transitions, 1663 flow [2021-03-26 03:48:17,045 INFO L129 PetriNetUnfolder]: 0/441 cut-off events. [2021-03-26 03:48:17,046 INFO L130 PetriNetUnfolder]: For 5361/5436 co-relation queries the response was YES. [2021-03-26 03:48:17,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1888 conditions, 441 events. 0/441 cut-off events. For 5361/5436 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4612 event pairs, 0 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 03:48:17,050 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 03:48:17,060 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:17,060 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:17,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 03:48:17,061 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 87 transitions, 1663 flow [2021-03-26 03:48:17,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:17,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:17,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 03:48:17,062 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:17,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:17,062 INFO L82 PathProgramCache]: Analyzing trace with hash 908333830, now seen corresponding path program 12 times [2021-03-26 03:48:17,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:17,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383545348] [2021-03-26 03:48:17,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:17,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:17,091 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:17,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:17,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:17,129 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:17,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383545348] [2021-03-26 03:48:17,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:17,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:17,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875423238] [2021-03-26 03:48:17,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:17,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:17,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:17,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:17,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:17,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 87 transitions, 1663 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:17,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:17,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:17,272 INFO L129 PetriNetUnfolder]: 21/479 cut-off events. [2021-03-26 03:48:17,272 INFO L130 PetriNetUnfolder]: For 5447/5594 co-relation queries the response was YES. [2021-03-26 03:48:17,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 479 events. 21/479 cut-off events. For 5447/5594 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4815 event pairs, 21 based on Foata normal form. 11/472 useless extension candidates. Maximal degree in co-relation 2307. Up to 93 conditions per place. [2021-03-26 03:48:17,275 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 29 selfloop transitions, 56 changer transitions 4/99 dead transitions. [2021-03-26 03:48:17,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 99 transitions, 2039 flow [2021-03-26 03:48:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:17,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:17,277 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:17,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:17,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:17,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:17,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,278 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,278 INFO L185 Difference]: Start difference. First operand has 103 places, 87 transitions, 1663 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:17,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 99 transitions, 2039 flow [2021-03-26 03:48:17,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 99 transitions, 1937 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:17,301 INFO L241 Difference]: Finished difference. Result has 107 places, 87 transitions, 1732 flow [2021-03-26 03:48:17,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1572, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1732, PETRI_PLACES=107, PETRI_TRANSITIONS=87} [2021-03-26 03:48:17,301 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 75 predicate places. [2021-03-26 03:48:17,301 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:17,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 87 transitions, 1732 flow [2021-03-26 03:48:17,302 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 87 transitions, 1732 flow [2021-03-26 03:48:17,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 87 transitions, 1732 flow [2021-03-26 03:48:17,363 INFO L129 PetriNetUnfolder]: 0/430 cut-off events. [2021-03-26 03:48:17,363 INFO L130 PetriNetUnfolder]: For 5419/5501 co-relation queries the response was YES. [2021-03-26 03:48:17,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 430 events. 0/430 cut-off events. For 5419/5501 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4466 event pairs, 0 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 03:48:17,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 03:48:17,378 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:17,378 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:17,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-26 03:48:17,379 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 87 transitions, 1732 flow [2021-03-26 03:48:17,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:17,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:17,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 03:48:17,379 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:17,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:17,380 INFO L82 PathProgramCache]: Analyzing trace with hash -156049302, now seen corresponding path program 13 times [2021-03-26 03:48:17,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:17,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459062902] [2021-03-26 03:48:17,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:17,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:17,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:17,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:17,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:17,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:17,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:17,422 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:17,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:17,440 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:17,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:17,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459062902] [2021-03-26 03:48:17,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:17,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:17,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88430661] [2021-03-26 03:48:17,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:17,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:17,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:17,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:17,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:17,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 87 transitions, 1732 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:17,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:17,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:17,573 INFO L129 PetriNetUnfolder]: 21/468 cut-off events. [2021-03-26 03:48:17,574 INFO L130 PetriNetUnfolder]: For 5525/5661 co-relation queries the response was YES. [2021-03-26 03:48:17,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2342 conditions, 468 events. 21/468 cut-off events. For 5525/5661 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4680 event pairs, 21 based on Foata normal form. 12/464 useless extension candidates. Maximal degree in co-relation 2300. Up to 93 conditions per place. [2021-03-26 03:48:17,577 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 31 selfloop transitions, 54 changer transitions 2/97 dead transitions. [2021-03-26 03:48:17,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 97 transitions, 2075 flow [2021-03-26 03:48:17,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:17,579 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:17,579 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:17,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:17,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:17,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:17,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,581 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,581 INFO L185 Difference]: Start difference. First operand has 105 places, 87 transitions, 1732 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:17,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 97 transitions, 2075 flow [2021-03-26 03:48:17,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 97 transitions, 1961 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:17,602 INFO L241 Difference]: Finished difference. Result has 111 places, 89 transitions, 1833 flow [2021-03-26 03:48:17,603 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1638, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1833, PETRI_PLACES=111, PETRI_TRANSITIONS=89} [2021-03-26 03:48:17,603 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 79 predicate places. [2021-03-26 03:48:17,603 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:17,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 89 transitions, 1833 flow [2021-03-26 03:48:17,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 89 transitions, 1833 flow [2021-03-26 03:48:17,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 89 transitions, 1833 flow [2021-03-26 03:48:17,645 INFO L129 PetriNetUnfolder]: 0/424 cut-off events. [2021-03-26 03:48:17,646 INFO L130 PetriNetUnfolder]: For 5716/5806 co-relation queries the response was YES. [2021-03-26 03:48:17,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1905 conditions, 424 events. 0/424 cut-off events. For 5716/5806 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4390 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 03:48:17,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 03:48:17,661 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:17,662 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:17,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 03:48:17,662 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 89 transitions, 1833 flow [2021-03-26 03:48:17,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:17,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:17,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 03:48:17,663 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:17,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:17,663 INFO L82 PathProgramCache]: Analyzing trace with hash -255599292, now seen corresponding path program 14 times [2021-03-26 03:48:17,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:17,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249522813] [2021-03-26 03:48:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:17,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:17,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:17,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:17,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:17,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:17,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:17,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:17,726 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:17,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:17,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249522813] [2021-03-26 03:48:17,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:17,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:17,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390997927] [2021-03-26 03:48:17,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:17,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:17,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:17,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:17,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:17,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 89 transitions, 1833 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:17,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:17,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:17,846 INFO L129 PetriNetUnfolder]: 21/462 cut-off events. [2021-03-26 03:48:17,847 INFO L130 PetriNetUnfolder]: For 5711/5857 co-relation queries the response was YES. [2021-03-26 03:48:17,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 462 events. 21/462 cut-off events. For 5711/5857 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4590 event pairs, 21 based on Foata normal form. 15/461 useless extension candidates. Maximal degree in co-relation 2305. Up to 93 conditions per place. [2021-03-26 03:48:17,850 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 27 selfloop transitions, 55 changer transitions 3/95 dead transitions. [2021-03-26 03:48:17,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 95 transitions, 2078 flow [2021-03-26 03:48:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:17,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:17,852 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:17,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:17,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:17,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:17,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,854 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,854 INFO L185 Difference]: Start difference. First operand has 110 places, 89 transitions, 1833 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:17,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 95 transitions, 2078 flow [2021-03-26 03:48:17,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 95 transitions, 1988 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:17,877 INFO L241 Difference]: Finished difference. Result has 114 places, 89 transitions, 1870 flow [2021-03-26 03:48:17,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1749, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1870, PETRI_PLACES=114, PETRI_TRANSITIONS=89} [2021-03-26 03:48:17,877 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 82 predicate places. [2021-03-26 03:48:17,877 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:17,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 89 transitions, 1870 flow [2021-03-26 03:48:17,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 89 transitions, 1870 flow [2021-03-26 03:48:17,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 89 transitions, 1870 flow [2021-03-26 03:48:17,917 INFO L129 PetriNetUnfolder]: 0/417 cut-off events. [2021-03-26 03:48:17,918 INFO L130 PetriNetUnfolder]: For 5551/5626 co-relation queries the response was YES. [2021-03-26 03:48:17,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1905 conditions, 417 events. 0/417 cut-off events. For 5551/5626 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4282 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 03:48:17,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 03:48:17,933 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:17,933 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:17,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 03:48:17,934 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 89 transitions, 1870 flow [2021-03-26 03:48:17,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:17,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:17,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:17,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 03:48:17,935 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:17,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:17,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1133551750, now seen corresponding path program 15 times [2021-03-26 03:48:17,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:17,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946426203] [2021-03-26 03:48:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:17,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:17,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:17,953 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:17,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:17,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:17,978 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:17,997 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:17,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946426203] [2021-03-26 03:48:18,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:18,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991446574] [2021-03-26 03:48:18,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:18,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:18,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:18,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:18,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 89 transitions, 1870 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:18,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,136 INFO L129 PetriNetUnfolder]: 21/455 cut-off events. [2021-03-26 03:48:18,136 INFO L130 PetriNetUnfolder]: For 5573/5709 co-relation queries the response was YES. [2021-03-26 03:48:18,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2345 conditions, 455 events. 21/455 cut-off events. For 5573/5709 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4497 event pairs, 21 based on Foata normal form. 13/450 useless extension candidates. Maximal degree in co-relation 2301. Up to 93 conditions per place. [2021-03-26 03:48:18,139 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 54 changer transitions 3/95 dead transitions. [2021-03-26 03:48:18,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 95 transitions, 2125 flow [2021-03-26 03:48:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:18,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:18,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:18,141 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,143 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,143 INFO L185 Difference]: Start difference. First operand has 112 places, 89 transitions, 1870 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:18,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 95 transitions, 2125 flow [2021-03-26 03:48:18,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 95 transitions, 2000 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:18,165 INFO L241 Difference]: Finished difference. Result has 114 places, 89 transitions, 1876 flow [2021-03-26 03:48:18,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1757, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1876, PETRI_PLACES=114, PETRI_TRANSITIONS=89} [2021-03-26 03:48:18,166 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 82 predicate places. [2021-03-26 03:48:18,166 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,166 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 89 transitions, 1876 flow [2021-03-26 03:48:18,166 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 89 transitions, 1876 flow [2021-03-26 03:48:18,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 89 transitions, 1876 flow [2021-03-26 03:48:18,203 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 03:48:18,204 INFO L130 PetriNetUnfolder]: For 5307/5377 co-relation queries the response was YES. [2021-03-26 03:48:18,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 408 events. 0/408 cut-off events. For 5307/5377 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4159 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 03:48:18,208 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 03:48:18,213 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 03:48:18,213 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 89 transitions, 1876 flow [2021-03-26 03:48:18,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 03:48:18,214 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1140350436, now seen corresponding path program 16 times [2021-03-26 03:48:18,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094130758] [2021-03-26 03:48:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:18,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:18,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:18,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:18,273 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:18,291 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:18,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094130758] [2021-03-26 03:48:18,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:18,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717161739] [2021-03-26 03:48:18,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:18,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:18,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:18,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:18,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 89 transitions, 1876 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:18,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,417 INFO L129 PetriNetUnfolder]: 21/448 cut-off events. [2021-03-26 03:48:18,417 INFO L130 PetriNetUnfolder]: For 5212/5297 co-relation queries the response was YES. [2021-03-26 03:48:18,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2300 conditions, 448 events. 21/448 cut-off events. For 5212/5297 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4433 event pairs, 17 based on Foata normal form. 9/440 useless extension candidates. Maximal degree in co-relation 2257. Up to 91 conditions per place. [2021-03-26 03:48:18,420 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 39 changer transitions 1/104 dead transitions. [2021-03-26 03:48:18,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 104 transitions, 2331 flow [2021-03-26 03:48:18,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:18,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:18,422 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,423 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,423 INFO L185 Difference]: Start difference. First operand has 113 places, 89 transitions, 1876 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:18,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 104 transitions, 2331 flow [2021-03-26 03:48:18,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 104 transitions, 2213 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:18,446 INFO L241 Difference]: Finished difference. Result has 119 places, 95 transitions, 2006 flow [2021-03-26 03:48:18,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1774, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2006, PETRI_PLACES=119, PETRI_TRANSITIONS=95} [2021-03-26 03:48:18,447 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 87 predicate places. [2021-03-26 03:48:18,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 95 transitions, 2006 flow [2021-03-26 03:48:18,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 95 transitions, 2006 flow [2021-03-26 03:48:18,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 95 transitions, 2006 flow [2021-03-26 03:48:18,487 INFO L129 PetriNetUnfolder]: 0/402 cut-off events. [2021-03-26 03:48:18,487 INFO L130 PetriNetUnfolder]: For 5659/5732 co-relation queries the response was YES. [2021-03-26 03:48:18,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 402 events. 0/402 cut-off events. For 5659/5732 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4087 event pairs, 0 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 03:48:18,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 03:48:18,497 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,497 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 03:48:18,498 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 95 transitions, 2006 flow [2021-03-26 03:48:18,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 03:48:18,498 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash -665867718, now seen corresponding path program 17 times [2021-03-26 03:48:18,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280198186] [2021-03-26 03:48:18,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:18,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:18,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:18,550 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:18,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:18,572 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280198186] [2021-03-26 03:48:18,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:18,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624931364] [2021-03-26 03:48:18,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:18,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:18,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:18,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:18,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 95 transitions, 2006 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:18,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,692 INFO L129 PetriNetUnfolder]: 21/442 cut-off events. [2021-03-26 03:48:18,692 INFO L130 PetriNetUnfolder]: For 5590/5672 co-relation queries the response was YES. [2021-03-26 03:48:18,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2336 conditions, 442 events. 21/442 cut-off events. For 5590/5672 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4346 event pairs, 17 based on Foata normal form. 8/433 useless extension candidates. Maximal degree in co-relation 2290. Up to 91 conditions per place. [2021-03-26 03:48:18,696 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 38 changer transitions 3/103 dead transitions. [2021-03-26 03:48:18,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 103 transitions, 2318 flow [2021-03-26 03:48:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:18,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:18,697 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,699 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,699 INFO L185 Difference]: Start difference. First operand has 118 places, 95 transitions, 2006 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:18,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 103 transitions, 2318 flow [2021-03-26 03:48:18,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 103 transitions, 2278 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:18,724 INFO L241 Difference]: Finished difference. Result has 124 places, 95 transitions, 2070 flow [2021-03-26 03:48:18,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1972, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2070, PETRI_PLACES=124, PETRI_TRANSITIONS=95} [2021-03-26 03:48:18,724 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 92 predicate places. [2021-03-26 03:48:18,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 95 transitions, 2070 flow [2021-03-26 03:48:18,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 95 transitions, 2070 flow [2021-03-26 03:48:18,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 95 transitions, 2070 flow [2021-03-26 03:48:18,767 INFO L129 PetriNetUnfolder]: 0/393 cut-off events. [2021-03-26 03:48:18,767 INFO L130 PetriNetUnfolder]: For 5712/5786 co-relation queries the response was YES. [2021-03-26 03:48:18,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 393 events. 0/393 cut-off events. For 5712/5786 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3953 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:18,771 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 03:48:18,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 03:48:18,777 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 95 transitions, 2070 flow [2021-03-26 03:48:18,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 03:48:18,778 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,778 INFO L82 PathProgramCache]: Analyzing trace with hash -798335486, now seen corresponding path program 18 times [2021-03-26 03:48:18,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628896129] [2021-03-26 03:48:18,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:18,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:18,809 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:18,823 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:18,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:18,843 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:18,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628896129] [2021-03-26 03:48:18,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:18,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586160442] [2021-03-26 03:48:18,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:18,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:18,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:18,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:18,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 95 transitions, 2070 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:18,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,984 INFO L129 PetriNetUnfolder]: 21/433 cut-off events. [2021-03-26 03:48:18,984 INFO L130 PetriNetUnfolder]: For 5738/5820 co-relation queries the response was YES. [2021-03-26 03:48:18,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2342 conditions, 433 events. 21/433 cut-off events. For 5738/5820 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4230 event pairs, 17 based on Foata normal form. 8/424 useless extension candidates. Maximal degree in co-relation 2295. Up to 91 conditions per place. [2021-03-26 03:48:18,987 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 44 selfloop transitions, 44 changer transitions 2/100 dead transitions. [2021-03-26 03:48:18,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 100 transitions, 2302 flow [2021-03-26 03:48:18,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:18,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:18,988 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:18,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,990 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,990 INFO L185 Difference]: Start difference. First operand has 123 places, 95 transitions, 2070 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:18,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 100 transitions, 2302 flow [2021-03-26 03:48:19,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 100 transitions, 2222 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:19,016 INFO L241 Difference]: Finished difference. Result has 126 places, 94 transitions, 2068 flow [2021-03-26 03:48:19,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2068, PETRI_PLACES=126, PETRI_TRANSITIONS=94} [2021-03-26 03:48:19,016 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 94 predicate places. [2021-03-26 03:48:19,016 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,016 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 94 transitions, 2068 flow [2021-03-26 03:48:19,016 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 94 transitions, 2068 flow [2021-03-26 03:48:19,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 94 transitions, 2068 flow [2021-03-26 03:48:19,055 INFO L129 PetriNetUnfolder]: 0/385 cut-off events. [2021-03-26 03:48:19,056 INFO L130 PetriNetUnfolder]: For 5772/5846 co-relation queries the response was YES. [2021-03-26 03:48:19,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1870 conditions, 385 events. 0/385 cut-off events. For 5772/5846 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3826 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 03:48:19,059 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 03:48:19,064 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,064 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 03:48:19,065 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 94 transitions, 2068 flow [2021-03-26 03:48:19,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,065 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 03:48:19,066 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,066 INFO L82 PathProgramCache]: Analyzing trace with hash -966484266, now seen corresponding path program 19 times [2021-03-26 03:48:19,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241509949] [2021-03-26 03:48:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:19,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:19,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:19,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:19,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:19,127 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:19,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:19,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241509949] [2021-03-26 03:48:19,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:19,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:19,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158536145] [2021-03-26 03:48:19,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:19,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:19,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:19,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:19,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:19,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 94 transitions, 2068 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:19,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:19,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:19,277 INFO L129 PetriNetUnfolder]: 17/451 cut-off events. [2021-03-26 03:48:19,277 INFO L130 PetriNetUnfolder]: For 6038/6120 co-relation queries the response was YES. [2021-03-26 03:48:19,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2425 conditions, 451 events. 17/451 cut-off events. For 6038/6120 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4495 event pairs, 17 based on Foata normal form. 7/440 useless extension candidates. Maximal degree in co-relation 2378. Up to 90 conditions per place. [2021-03-26 03:48:19,280 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 37 changer transitions 2/113 dead transitions. [2021-03-26 03:48:19,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 113 transitions, 2677 flow [2021-03-26 03:48:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:19,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:19,282 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:19,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,283 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,283 INFO L185 Difference]: Start difference. First operand has 125 places, 94 transitions, 2068 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:19,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 113 transitions, 2677 flow [2021-03-26 03:48:19,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 113 transitions, 2583 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:19,310 INFO L241 Difference]: Finished difference. Result has 131 places, 99 transitions, 2215 flow [2021-03-26 03:48:19,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1989, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2215, PETRI_PLACES=131, PETRI_TRANSITIONS=99} [2021-03-26 03:48:19,311 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 99 predicate places. [2021-03-26 03:48:19,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 99 transitions, 2215 flow [2021-03-26 03:48:19,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 99 transitions, 2215 flow [2021-03-26 03:48:19,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 99 transitions, 2215 flow [2021-03-26 03:48:19,354 INFO L129 PetriNetUnfolder]: 0/415 cut-off events. [2021-03-26 03:48:19,354 INFO L130 PetriNetUnfolder]: For 6655/6742 co-relation queries the response was YES. [2021-03-26 03:48:19,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 415 events. 0/415 cut-off events. For 6655/6742 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4242 event pairs, 0 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 03:48:19,358 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 03:48:19,363 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,364 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 03:48:19,364 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 99 transitions, 2215 flow [2021-03-26 03:48:19,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,365 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 03:48:19,365 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2071671752, now seen corresponding path program 20 times [2021-03-26 03:48:19,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725777253] [2021-03-26 03:48:19,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:19,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:19,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:19,404 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:19,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:19,423 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:19,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:19,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725777253] [2021-03-26 03:48:19,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:19,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:19,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786037483] [2021-03-26 03:48:19,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:19,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:19,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:19,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:19,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:19,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 99 transitions, 2215 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:19,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:19,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:19,564 INFO L129 PetriNetUnfolder]: 17/444 cut-off events. [2021-03-26 03:48:19,564 INFO L130 PetriNetUnfolder]: For 6392/6481 co-relation queries the response was YES. [2021-03-26 03:48:19,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2435 conditions, 444 events. 17/444 cut-off events. For 6392/6481 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4405 event pairs, 17 based on Foata normal form. 8/437 useless extension candidates. Maximal degree in co-relation 2385. Up to 91 conditions per place. [2021-03-26 03:48:19,567 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 41 changer transitions 2/106 dead transitions. [2021-03-26 03:48:19,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 106 transitions, 2520 flow [2021-03-26 03:48:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:19,568 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:19,568 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:19,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,570 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,570 INFO L185 Difference]: Start difference. First operand has 130 places, 99 transitions, 2215 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:19,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 106 transitions, 2520 flow [2021-03-26 03:48:19,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 106 transitions, 2457 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:19,599 INFO L241 Difference]: Finished difference. Result has 135 places, 99 transitions, 2262 flow [2021-03-26 03:48:19,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2161, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2262, PETRI_PLACES=135, PETRI_TRANSITIONS=99} [2021-03-26 03:48:19,600 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 103 predicate places. [2021-03-26 03:48:19,600 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 99 transitions, 2262 flow [2021-03-26 03:48:19,600 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 99 transitions, 2262 flow [2021-03-26 03:48:19,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 99 transitions, 2262 flow [2021-03-26 03:48:19,643 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 03:48:19,643 INFO L130 PetriNetUnfolder]: For 6917/7002 co-relation queries the response was YES. [2021-03-26 03:48:19,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2089 conditions, 408 events. 0/408 cut-off events. For 6917/7002 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4165 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 03:48:19,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 316 [2021-03-26 03:48:19,654 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,654 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 03:48:19,655 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 99 transitions, 2262 flow [2021-03-26 03:48:19,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 03:48:19,655 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,656 INFO L82 PathProgramCache]: Analyzing trace with hash 248574312, now seen corresponding path program 21 times [2021-03-26 03:48:19,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769026542] [2021-03-26 03:48:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:19,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:19,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:19,706 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:19,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:19,728 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:19,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:19,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769026542] [2021-03-26 03:48:19,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:19,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:19,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286006301] [2021-03-26 03:48:19,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:19,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:19,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:19,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:19,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:19,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 99 transitions, 2262 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:19,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:19,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:19,873 INFO L129 PetriNetUnfolder]: 17/437 cut-off events. [2021-03-26 03:48:19,873 INFO L130 PetriNetUnfolder]: For 6662/6775 co-relation queries the response was YES. [2021-03-26 03:48:19,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 437 events. 17/437 cut-off events. For 6662/6775 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4291 event pairs, 17 based on Foata normal form. 12/432 useless extension candidates. Maximal degree in co-relation 2406. Up to 91 conditions per place. [2021-03-26 03:48:19,876 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 40 changer transitions 2/104 dead transitions. [2021-03-26 03:48:19,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 104 transitions, 2510 flow [2021-03-26 03:48:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:19,878 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:19,878 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:19,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:19,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,879 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,879 INFO L185 Difference]: Start difference. First operand has 134 places, 99 transitions, 2262 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:19,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 104 transitions, 2510 flow [2021-03-26 03:48:19,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 104 transitions, 2430 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:19,908 INFO L241 Difference]: Finished difference. Result has 137 places, 99 transitions, 2273 flow [2021-03-26 03:48:19,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2188, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2273, PETRI_PLACES=137, PETRI_TRANSITIONS=99} [2021-03-26 03:48:19,910 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 105 predicate places. [2021-03-26 03:48:19,910 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,910 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 99 transitions, 2273 flow [2021-03-26 03:48:19,910 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 99 transitions, 2273 flow [2021-03-26 03:48:19,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 99 transitions, 2273 flow [2021-03-26 03:48:19,952 INFO L129 PetriNetUnfolder]: 0/401 cut-off events. [2021-03-26 03:48:19,952 INFO L130 PetriNetUnfolder]: For 6772/6857 co-relation queries the response was YES. [2021-03-26 03:48:19,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2092 conditions, 401 events. 0/401 cut-off events. For 6772/6857 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4033 event pairs, 0 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 03:48:19,956 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-26 03:48:19,962 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,962 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-26 03:48:19,963 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 99 transitions, 2273 flow [2021-03-26 03:48:19,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 03:48:19,964 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,964 INFO L82 PathProgramCache]: Analyzing trace with hash -729072352, now seen corresponding path program 22 times [2021-03-26 03:48:19,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471572393] [2021-03-26 03:48:19,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:19,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:20,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:20,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:20,021 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:20,040 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:20,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471572393] [2021-03-26 03:48:20,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:20,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:20,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329742232] [2021-03-26 03:48:20,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:20,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:20,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:20,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:20,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:20,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 99 transitions, 2273 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:20,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:20,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:20,183 INFO L129 PetriNetUnfolder]: 17/430 cut-off events. [2021-03-26 03:48:20,183 INFO L130 PetriNetUnfolder]: For 6501/6611 co-relation queries the response was YES. [2021-03-26 03:48:20,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 430 events. 17/430 cut-off events. For 6501/6611 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4204 event pairs, 17 based on Foata normal form. 8/421 useless extension candidates. Maximal degree in co-relation 2407. Up to 90 conditions per place. [2021-03-26 03:48:20,187 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 58 selfloop transitions, 39 changer transitions 2/109 dead transitions. [2021-03-26 03:48:20,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 109 transitions, 2666 flow [2021-03-26 03:48:20,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:20,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:20,188 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:20,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,189 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,189 INFO L185 Difference]: Start difference. First operand has 136 places, 99 transitions, 2273 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:20,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 109 transitions, 2666 flow [2021-03-26 03:48:20,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 109 transitions, 2601 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:20,218 INFO L241 Difference]: Finished difference. Result has 143 places, 102 transitions, 2409 flow [2021-03-26 03:48:20,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2217, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2409, PETRI_PLACES=143, PETRI_TRANSITIONS=102} [2021-03-26 03:48:20,218 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 111 predicate places. [2021-03-26 03:48:20,218 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:20,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 102 transitions, 2409 flow [2021-03-26 03:48:20,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 102 transitions, 2409 flow [2021-03-26 03:48:20,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 102 transitions, 2409 flow [2021-03-26 03:48:20,262 INFO L129 PetriNetUnfolder]: 0/394 cut-off events. [2021-03-26 03:48:20,262 INFO L130 PetriNetUnfolder]: For 7102/7191 co-relation queries the response was YES. [2021-03-26 03:48:20,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 394 events. 0/394 cut-off events. For 7102/7191 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3949 event pairs, 0 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:20,267 INFO L142 LiptonReduction]: Number of co-enabled transitions 332 [2021-03-26 03:48:20,272 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:20,273 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:20,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 03:48:20,273 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 102 transitions, 2409 flow [2021-03-26 03:48:20,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:20,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:20,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 03:48:20,274 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:20,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1584379006, now seen corresponding path program 23 times [2021-03-26 03:48:20,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:20,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687210634] [2021-03-26 03:48:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:20,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:20,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:20,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:20,324 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:20,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:20,343 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:20,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687210634] [2021-03-26 03:48:20,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:20,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:20,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927583669] [2021-03-26 03:48:20,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:20,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:20,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:20,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:20,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:20,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 102 transitions, 2409 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:20,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:20,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:20,484 INFO L129 PetriNetUnfolder]: 17/423 cut-off events. [2021-03-26 03:48:20,484 INFO L130 PetriNetUnfolder]: For 6847/6957 co-relation queries the response was YES. [2021-03-26 03:48:20,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2480 conditions, 423 events. 17/423 cut-off events. For 6847/6957 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4112 event pairs, 17 based on Foata normal form. 8/414 useless extension candidates. Maximal degree in co-relation 2427. Up to 90 conditions per place. [2021-03-26 03:48:20,487 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 57 selfloop transitions, 38 changer transitions 2/107 dead transitions. [2021-03-26 03:48:20,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 107 transitions, 2664 flow [2021-03-26 03:48:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:20,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:20,488 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:20,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,490 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,490 INFO L185 Difference]: Start difference. First operand has 142 places, 102 transitions, 2409 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:20,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 107 transitions, 2664 flow [2021-03-26 03:48:20,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 107 transitions, 2579 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:20,522 INFO L241 Difference]: Finished difference. Result has 145 places, 102 transitions, 2410 flow [2021-03-26 03:48:20,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2332, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2410, PETRI_PLACES=145, PETRI_TRANSITIONS=102} [2021-03-26 03:48:20,522 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 113 predicate places. [2021-03-26 03:48:20,523 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:20,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 102 transitions, 2410 flow [2021-03-26 03:48:20,523 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 102 transitions, 2410 flow [2021-03-26 03:48:20,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 102 transitions, 2410 flow [2021-03-26 03:48:20,566 INFO L129 PetriNetUnfolder]: 0/387 cut-off events. [2021-03-26 03:48:20,567 INFO L130 PetriNetUnfolder]: For 7129/7219 co-relation queries the response was YES. [2021-03-26 03:48:20,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2089 conditions, 387 events. 0/387 cut-off events. For 7129/7219 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3866 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 03:48:20,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 334 [2021-03-26 03:48:20,577 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:20,577 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:20,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 03:48:20,578 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 102 transitions, 2410 flow [2021-03-26 03:48:20,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:20,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:20,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 03:48:20,578 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:20,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:20,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1796092904, now seen corresponding path program 24 times [2021-03-26 03:48:20,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:20,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592889831] [2021-03-26 03:48:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:20,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:20,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:20,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:20,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:20,637 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:20,657 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:20,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:20,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592889831] [2021-03-26 03:48:20,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:20,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:20,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695318416] [2021-03-26 03:48:20,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:20,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:20,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:20,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:20,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:20,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 102 transitions, 2410 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:20,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:20,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:20,787 INFO L129 PetriNetUnfolder]: 17/416 cut-off events. [2021-03-26 03:48:20,787 INFO L130 PetriNetUnfolder]: For 6840/6953 co-relation queries the response was YES. [2021-03-26 03:48:20,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2448 conditions, 416 events. 17/416 cut-off events. For 6840/6953 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4022 event pairs, 17 based on Foata normal form. 8/408 useless extension candidates. Maximal degree in co-relation 2395. Up to 90 conditions per place. [2021-03-26 03:48:20,790 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 49 selfloop transitions, 44 changer transitions 2/105 dead transitions. [2021-03-26 03:48:20,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 105 transitions, 2612 flow [2021-03-26 03:48:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:20,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:20,792 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:20,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:20,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,794 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,794 INFO L185 Difference]: Start difference. First operand has 144 places, 102 transitions, 2410 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:20,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 105 transitions, 2612 flow [2021-03-26 03:48:20,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 105 transitions, 2535 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:20,830 INFO L241 Difference]: Finished difference. Result has 147 places, 100 transitions, 2363 flow [2021-03-26 03:48:20,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2339, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2363, PETRI_PLACES=147, PETRI_TRANSITIONS=100} [2021-03-26 03:48:20,830 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 115 predicate places. [2021-03-26 03:48:20,830 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:20,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 100 transitions, 2363 flow [2021-03-26 03:48:20,831 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 100 transitions, 2363 flow [2021-03-26 03:48:20,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 100 transitions, 2363 flow [2021-03-26 03:48:20,871 INFO L129 PetriNetUnfolder]: 0/380 cut-off events. [2021-03-26 03:48:20,871 INFO L130 PetriNetUnfolder]: For 6995/7087 co-relation queries the response was YES. [2021-03-26 03:48:20,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2062 conditions, 380 events. 0/380 cut-off events. For 6995/7087 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3780 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 03:48:20,875 INFO L142 LiptonReduction]: Number of co-enabled transitions 322 [2021-03-26 03:48:20,881 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:20,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:20,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 03:48:20,882 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 100 transitions, 2363 flow [2021-03-26 03:48:20,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:20,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:20,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 03:48:20,883 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:20,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:20,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2039164828, now seen corresponding path program 25 times [2021-03-26 03:48:20,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:20,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101962971] [2021-03-26 03:48:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:20,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:20,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:20,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:20,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:20,929 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:20,949 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:20,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101962971] [2021-03-26 03:48:20,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:20,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:20,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512044244] [2021-03-26 03:48:20,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:20,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:20,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:20,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:20,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:20,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 100 transitions, 2363 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:20,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:20,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:21,088 INFO L129 PetriNetUnfolder]: 17/409 cut-off events. [2021-03-26 03:48:21,089 INFO L130 PetriNetUnfolder]: For 6685/6798 co-relation queries the response was YES. [2021-03-26 03:48:21,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 409 events. 17/409 cut-off events. For 6685/6798 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3932 event pairs, 17 based on Foata normal form. 8/401 useless extension candidates. Maximal degree in co-relation 2365. Up to 90 conditions per place. [2021-03-26 03:48:21,092 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 44 changer transitions 3/103 dead transitions. [2021-03-26 03:48:21,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 103 transitions, 2561 flow [2021-03-26 03:48:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:21,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:21,095 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:21,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,097 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,097 INFO L185 Difference]: Start difference. First operand has 146 places, 100 transitions, 2363 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:21,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 103 transitions, 2561 flow [2021-03-26 03:48:21,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 103 transitions, 2468 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:21,132 INFO L241 Difference]: Finished difference. Result has 148 places, 97 transitions, 2273 flow [2021-03-26 03:48:21,133 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2273, PETRI_PLACES=148, PETRI_TRANSITIONS=97} [2021-03-26 03:48:21,133 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 116 predicate places. [2021-03-26 03:48:21,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:21,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 97 transitions, 2273 flow [2021-03-26 03:48:21,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 97 transitions, 2273 flow [2021-03-26 03:48:21,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 97 transitions, 2273 flow [2021-03-26 03:48:21,178 INFO L129 PetriNetUnfolder]: 0/371 cut-off events. [2021-03-26 03:48:21,178 INFO L130 PetriNetUnfolder]: For 6554/6646 co-relation queries the response was YES. [2021-03-26 03:48:21,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1997 conditions, 371 events. 0/371 cut-off events. For 6554/6646 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3654 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 03:48:21,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-26 03:48:21,188 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:21,188 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:21,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 03:48:21,189 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 97 transitions, 2273 flow [2021-03-26 03:48:21,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:21,189 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:21,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 03:48:21,189 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:21,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:21,190 INFO L82 PathProgramCache]: Analyzing trace with hash 399743908, now seen corresponding path program 26 times [2021-03-26 03:48:21,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:21,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213291360] [2021-03-26 03:48:21,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:21,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:21,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:21,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:21,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:21,232 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:21,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:21,251 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:21,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:21,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213291360] [2021-03-26 03:48:21,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:21,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:21,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152715474] [2021-03-26 03:48:21,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:21,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:21,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:21,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:21,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:21,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 97 transitions, 2273 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:21,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:21,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:21,396 INFO L129 PetriNetUnfolder]: 17/400 cut-off events. [2021-03-26 03:48:21,397 INFO L130 PetriNetUnfolder]: For 6295/6411 co-relation queries the response was YES. [2021-03-26 03:48:21,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2348 conditions, 400 events. 17/400 cut-off events. For 6295/6411 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3807 event pairs, 17 based on Foata normal form. 9/392 useless extension candidates. Maximal degree in co-relation 2296. Up to 87 conditions per place. [2021-03-26 03:48:21,403 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 58 selfloop transitions, 36 changer transitions 2/106 dead transitions. [2021-03-26 03:48:21,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 106 transitions, 2642 flow [2021-03-26 03:48:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:21,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:21,405 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:21,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,410 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,410 INFO L185 Difference]: Start difference. First operand has 145 places, 97 transitions, 2273 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:21,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 106 transitions, 2642 flow [2021-03-26 03:48:21,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 106 transitions, 2449 flow, removed 12 selfloop flow, removed 10 redundant places. [2021-03-26 03:48:21,438 INFO L241 Difference]: Finished difference. Result has 143 places, 97 transitions, 2185 flow [2021-03-26 03:48:21,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2185, PETRI_PLACES=143, PETRI_TRANSITIONS=97} [2021-03-26 03:48:21,439 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 111 predicate places. [2021-03-26 03:48:21,439 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:21,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 97 transitions, 2185 flow [2021-03-26 03:48:21,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 97 transitions, 2185 flow [2021-03-26 03:48:21,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 97 transitions, 2185 flow [2021-03-26 03:48:21,475 INFO L129 PetriNetUnfolder]: 0/364 cut-off events. [2021-03-26 03:48:21,475 INFO L130 PetriNetUnfolder]: For 5961/6040 co-relation queries the response was YES. [2021-03-26 03:48:21,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1910 conditions, 364 events. 0/364 cut-off events. For 5961/6040 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3567 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-03-26 03:48:21,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 308 [2021-03-26 03:48:21,484 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:21,484 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:21,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 03:48:21,485 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 97 transitions, 2185 flow [2021-03-26 03:48:21,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:21,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:21,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 03:48:21,485 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:21,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash 598474238, now seen corresponding path program 27 times [2021-03-26 03:48:21,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:21,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874109106] [2021-03-26 03:48:21,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:21,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:21,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:21,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:21,540 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:21,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:21,559 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:21,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:21,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874109106] [2021-03-26 03:48:21,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:21,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:21,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422231516] [2021-03-26 03:48:21,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:21,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:21,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:21,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:21,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:21,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 97 transitions, 2185 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:21,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:21,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:21,689 INFO L129 PetriNetUnfolder]: 17/393 cut-off events. [2021-03-26 03:48:21,689 INFO L130 PetriNetUnfolder]: For 5669/5790 co-relation queries the response was YES. [2021-03-26 03:48:21,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2252 conditions, 393 events. 17/393 cut-off events. For 5669/5790 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3713 event pairs, 17 based on Foata normal form. 8/385 useless extension candidates. Maximal degree in co-relation 2204. Up to 87 conditions per place. [2021-03-26 03:48:21,692 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 36 changer transitions 2/104 dead transitions. [2021-03-26 03:48:21,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 104 transitions, 2482 flow [2021-03-26 03:48:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:21,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:21,693 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:21,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,695 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,695 INFO L185 Difference]: Start difference. First operand has 142 places, 97 transitions, 2185 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:21,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 104 transitions, 2482 flow [2021-03-26 03:48:21,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 104 transitions, 2410 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:21,720 INFO L241 Difference]: Finished difference. Result has 146 places, 99 transitions, 2257 flow [2021-03-26 03:48:21,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2119, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2257, PETRI_PLACES=146, PETRI_TRANSITIONS=99} [2021-03-26 03:48:21,721 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 114 predicate places. [2021-03-26 03:48:21,721 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:21,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 99 transitions, 2257 flow [2021-03-26 03:48:21,721 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 99 transitions, 2257 flow [2021-03-26 03:48:21,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 99 transitions, 2257 flow [2021-03-26 03:48:21,756 INFO L129 PetriNetUnfolder]: 0/357 cut-off events. [2021-03-26 03:48:21,756 INFO L130 PetriNetUnfolder]: For 6116/6194 co-relation queries the response was YES. [2021-03-26 03:48:21,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 357 events. 0/357 cut-off events. For 6116/6194 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3481 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 03:48:21,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-26 03:48:21,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:21,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:21,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 03:48:21,766 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 99 transitions, 2257 flow [2021-03-26 03:48:21,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:21,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:21,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 03:48:21,766 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:21,767 INFO L82 PathProgramCache]: Analyzing trace with hash 101524980, now seen corresponding path program 28 times [2021-03-26 03:48:21,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:21,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699559935] [2021-03-26 03:48:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:21,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:21,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:21,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:21,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:21,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:21,807 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:21,826 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:21,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:21,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699559935] [2021-03-26 03:48:21,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:21,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:21,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397719544] [2021-03-26 03:48:21,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:21,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:21,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:21,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:21,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:21,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 99 transitions, 2257 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:21,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:21,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:21,960 INFO L129 PetriNetUnfolder]: 17/386 cut-off events. [2021-03-26 03:48:21,960 INFO L130 PetriNetUnfolder]: For 5810/5926 co-relation queries the response was YES. [2021-03-26 03:48:21,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2239 conditions, 386 events. 17/386 cut-off events. For 5810/5926 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3617 event pairs, 17 based on Foata normal form. 8/378 useless extension candidates. Maximal degree in co-relation 2190. Up to 87 conditions per place. [2021-03-26 03:48:21,962 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 36 changer transitions 3/102 dead transitions. [2021-03-26 03:48:21,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 102 transitions, 2453 flow [2021-03-26 03:48:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:21,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:21,964 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:21,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:21,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,971 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,972 INFO L185 Difference]: Start difference. First operand has 145 places, 99 transitions, 2257 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:21,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 102 transitions, 2453 flow [2021-03-26 03:48:21,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 102 transitions, 2390 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:21,997 INFO L241 Difference]: Finished difference. Result has 148 places, 96 transitions, 2193 flow [2021-03-26 03:48:21,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2200, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2193, PETRI_PLACES=148, PETRI_TRANSITIONS=96} [2021-03-26 03:48:21,997 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 116 predicate places. [2021-03-26 03:48:21,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:21,998 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 96 transitions, 2193 flow [2021-03-26 03:48:21,998 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 96 transitions, 2193 flow [2021-03-26 03:48:21,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 96 transitions, 2193 flow [2021-03-26 03:48:22,033 INFO L129 PetriNetUnfolder]: 0/349 cut-off events. [2021-03-26 03:48:22,033 INFO L130 PetriNetUnfolder]: For 5896/5974 co-relation queries the response was YES. [2021-03-26 03:48:22,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 349 events. 0/349 cut-off events. For 5896/5974 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3381 event pairs, 0 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-03-26 03:48:22,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 03:48:22,042 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:22,042 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:22,043 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 03:48:22,043 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 96 transitions, 2193 flow [2021-03-26 03:48:22,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,044 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:22,044 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:22,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 03:48:22,044 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:22,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:22,045 INFO L82 PathProgramCache]: Analyzing trace with hash 59278978, now seen corresponding path program 29 times [2021-03-26 03:48:22,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:22,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647955469] [2021-03-26 03:48:22,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:22,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:22,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:22,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:22,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:22,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:22,085 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:22,104 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:22,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647955469] [2021-03-26 03:48:22,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:22,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:22,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045760590] [2021-03-26 03:48:22,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:22,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:22,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:22,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:22,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 96 transitions, 2193 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:22,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:22,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:22,244 INFO L129 PetriNetUnfolder]: 17/378 cut-off events. [2021-03-26 03:48:22,244 INFO L130 PetriNetUnfolder]: For 5604/5723 co-relation queries the response was YES. [2021-03-26 03:48:22,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 378 events. 17/378 cut-off events. For 5604/5723 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3509 event pairs, 17 based on Foata normal form. 9/371 useless extension candidates. Maximal degree in co-relation 2164. Up to 87 conditions per place. [2021-03-26 03:48:22,246 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 33 changer transitions 3/99 dead transitions. [2021-03-26 03:48:22,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 99 transitions, 2383 flow [2021-03-26 03:48:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:22,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:22,247 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:22,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,249 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,249 INFO L185 Difference]: Start difference. First operand has 147 places, 96 transitions, 2193 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:22,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 99 transitions, 2383 flow [2021-03-26 03:48:22,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 99 transitions, 2311 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:22,274 INFO L241 Difference]: Finished difference. Result has 150 places, 93 transitions, 2115 flow [2021-03-26 03:48:22,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2127, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2115, PETRI_PLACES=150, PETRI_TRANSITIONS=93} [2021-03-26 03:48:22,275 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 118 predicate places. [2021-03-26 03:48:22,275 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:22,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 93 transitions, 2115 flow [2021-03-26 03:48:22,275 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 93 transitions, 2115 flow [2021-03-26 03:48:22,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 93 transitions, 2115 flow [2021-03-26 03:48:22,306 INFO L129 PetriNetUnfolder]: 0/332 cut-off events. [2021-03-26 03:48:22,306 INFO L130 PetriNetUnfolder]: For 5264/5312 co-relation queries the response was YES. [2021-03-26 03:48:22,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1733 conditions, 332 events. 0/332 cut-off events. For 5264/5312 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3194 event pairs, 0 based on Foata normal form. 1/327 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-03-26 03:48:22,309 INFO L142 LiptonReduction]: Number of co-enabled transitions 296 [2021-03-26 03:48:22,315 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:22,315 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:22,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 03:48:22,316 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 93 transitions, 2115 flow [2021-03-26 03:48:22,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:22,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:22,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 03:48:22,316 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:22,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:22,316 INFO L82 PathProgramCache]: Analyzing trace with hash 839613698, now seen corresponding path program 30 times [2021-03-26 03:48:22,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:22,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416276887] [2021-03-26 03:48:22,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:22,343 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:22,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:22,363 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:22,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:22,382 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:22,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416276887] [2021-03-26 03:48:22,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:22,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:22,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576944788] [2021-03-26 03:48:22,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:22,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:22,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:22,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:22,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:22,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 93 transitions, 2115 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:22,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:22,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:22,511 INFO L129 PetriNetUnfolder]: 14/442 cut-off events. [2021-03-26 03:48:22,512 INFO L130 PetriNetUnfolder]: For 5979/6016 co-relation queries the response was YES. [2021-03-26 03:48:22,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2423 conditions, 442 events. 14/442 cut-off events. For 5979/6016 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4400 event pairs, 5 based on Foata normal form. 2/434 useless extension candidates. Maximal degree in co-relation 2375. Up to 96 conditions per place. [2021-03-26 03:48:22,514 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 62 selfloop transitions, 47 changer transitions 2/121 dead transitions. [2021-03-26 03:48:22,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 121 transitions, 2929 flow [2021-03-26 03:48:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:22,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:22,516 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:22,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,519 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,519 INFO L185 Difference]: Start difference. First operand has 149 places, 93 transitions, 2115 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:22,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 121 transitions, 2929 flow [2021-03-26 03:48:22,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 121 transitions, 2775 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:22,546 INFO L241 Difference]: Finished difference. Result has 154 places, 99 transitions, 2315 flow [2021-03-26 03:48:22,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2315, PETRI_PLACES=154, PETRI_TRANSITIONS=99} [2021-03-26 03:48:22,546 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 122 predicate places. [2021-03-26 03:48:22,546 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:22,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 99 transitions, 2315 flow [2021-03-26 03:48:22,547 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 99 transitions, 2315 flow [2021-03-26 03:48:22,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 99 transitions, 2315 flow [2021-03-26 03:48:22,587 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 03:48:22,587 INFO L130 PetriNetUnfolder]: For 6842/6919 co-relation queries the response was YES. [2021-03-26 03:48:22,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2092 conditions, 408 events. 0/408 cut-off events. For 6842/6919 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4161 event pairs, 0 based on Foata normal form. 1/396 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 03:48:22,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 03:48:22,596 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:22,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:22,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 03:48:22,596 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 99 transitions, 2315 flow [2021-03-26 03:48:22,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:22,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:22,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 03:48:22,597 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:22,597 INFO L82 PathProgramCache]: Analyzing trace with hash -457408890, now seen corresponding path program 31 times [2021-03-26 03:48:22,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:22,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176766745] [2021-03-26 03:48:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:22,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:22,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:22,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:22,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:22,630 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:22,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:22,651 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:22,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:22,670 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:22,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:22,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176766745] [2021-03-26 03:48:22,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:22,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:22,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810266103] [2021-03-26 03:48:22,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:22,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:22,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:22,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:22,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:22,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 99 transitions, 2315 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:22,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:22,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:22,797 INFO L129 PetriNetUnfolder]: 13/482 cut-off events. [2021-03-26 03:48:22,797 INFO L130 PetriNetUnfolder]: For 7112/7124 co-relation queries the response was YES. [2021-03-26 03:48:22,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2685 conditions, 482 events. 13/482 cut-off events. For 7112/7124 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4930 event pairs, 2 based on Foata normal form. 2/474 useless extension candidates. Maximal degree in co-relation 2634. Up to 110 conditions per place. [2021-03-26 03:48:22,800 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 47 changer transitions 2/132 dead transitions. [2021-03-26 03:48:22,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 132 transitions, 3247 flow [2021-03-26 03:48:22,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:22,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:22,801 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:22,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:22,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,802 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,802 INFO L185 Difference]: Start difference. First operand has 153 places, 99 transitions, 2315 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:22,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 132 transitions, 3247 flow [2021-03-26 03:48:22,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 132 transitions, 3194 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:22,835 INFO L241 Difference]: Finished difference. Result has 161 places, 108 transitions, 2656 flow [2021-03-26 03:48:22,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2285, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2656, PETRI_PLACES=161, PETRI_TRANSITIONS=108} [2021-03-26 03:48:22,835 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 129 predicate places. [2021-03-26 03:48:22,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:22,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 108 transitions, 2656 flow [2021-03-26 03:48:22,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 108 transitions, 2656 flow [2021-03-26 03:48:22,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 108 transitions, 2656 flow [2021-03-26 03:48:22,882 INFO L129 PetriNetUnfolder]: 0/449 cut-off events. [2021-03-26 03:48:22,882 INFO L130 PetriNetUnfolder]: For 8234/8318 co-relation queries the response was YES. [2021-03-26 03:48:22,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2385 conditions, 449 events. 0/449 cut-off events. For 8234/8318 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4700 event pairs, 0 based on Foata normal form. 2/437 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 03:48:22,887 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-26 03:48:22,892 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:22,892 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:22,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 03:48:22,893 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 108 transitions, 2656 flow [2021-03-26 03:48:22,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:22,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:22,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 03:48:22,893 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:22,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:22,894 INFO L82 PathProgramCache]: Analyzing trace with hash -162039226, now seen corresponding path program 32 times [2021-03-26 03:48:22,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:22,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432406220] [2021-03-26 03:48:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:22,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:22,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:22,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:22,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:22,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:22,945 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:22,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:22,964 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:22,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:22,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432406220] [2021-03-26 03:48:22,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:22,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:22,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611454428] [2021-03-26 03:48:22,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:22,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:22,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:22,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:22,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:22,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 108 transitions, 2656 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:22,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:22,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:23,097 INFO L129 PetriNetUnfolder]: 10/504 cut-off events. [2021-03-26 03:48:23,097 INFO L130 PetriNetUnfolder]: For 8351/8371 co-relation queries the response was YES. [2021-03-26 03:48:23,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2899 conditions, 504 events. 10/504 cut-off events. For 8351/8371 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5250 event pairs, 6 based on Foata normal form. 2/497 useless extension candidates. Maximal degree in co-relation 2845. Up to 110 conditions per place. [2021-03-26 03:48:23,100 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 56 changer transitions 2/138 dead transitions. [2021-03-26 03:48:23,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 138 transitions, 3568 flow [2021-03-26 03:48:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:23,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:23,101 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:23,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,103 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,103 INFO L185 Difference]: Start difference. First operand has 160 places, 108 transitions, 2656 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:23,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 138 transitions, 3568 flow [2021-03-26 03:48:23,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 138 transitions, 3477 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:23,142 INFO L241 Difference]: Finished difference. Result has 167 places, 115 transitions, 2953 flow [2021-03-26 03:48:23,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2597, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2953, PETRI_PLACES=167, PETRI_TRANSITIONS=115} [2021-03-26 03:48:23,143 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 135 predicate places. [2021-03-26 03:48:23,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:23,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 115 transitions, 2953 flow [2021-03-26 03:48:23,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 115 transitions, 2953 flow [2021-03-26 03:48:23,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 115 transitions, 2953 flow [2021-03-26 03:48:23,218 INFO L129 PetriNetUnfolder]: 0/477 cut-off events. [2021-03-26 03:48:23,219 INFO L130 PetriNetUnfolder]: For 9511/9619 co-relation queries the response was YES. [2021-03-26 03:48:23,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2606 conditions, 477 events. 0/477 cut-off events. For 9511/9619 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5046 event pairs, 0 based on Foata normal form. 2/466 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-03-26 03:48:23,224 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 03:48:23,230 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:23,230 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:23,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-26 03:48:23,234 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 115 transitions, 2953 flow [2021-03-26 03:48:23,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:23,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:23,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 03:48:23,234 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:23,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:23,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1065414172, now seen corresponding path program 33 times [2021-03-26 03:48:23,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:23,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167853128] [2021-03-26 03:48:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:23,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:23,264 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:23,276 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:23,300 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:23,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:23,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167853128] [2021-03-26 03:48:23,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:23,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:23,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762978756] [2021-03-26 03:48:23,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:23,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:23,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:23,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:23,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:23,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 115 transitions, 2953 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:23,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:23,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:23,442 INFO L129 PetriNetUnfolder]: 10/496 cut-off events. [2021-03-26 03:48:23,443 INFO L130 PetriNetUnfolder]: For 9381/9433 co-relation queries the response was YES. [2021-03-26 03:48:23,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 496 events. 10/496 cut-off events. For 9381/9433 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5149 event pairs, 4 based on Foata normal form. 5/491 useless extension candidates. Maximal degree in co-relation 2931. Up to 95 conditions per place. [2021-03-26 03:48:23,446 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 61 selfloop transitions, 52 changer transitions 2/125 dead transitions. [2021-03-26 03:48:23,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 125 transitions, 3357 flow [2021-03-26 03:48:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:23,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:23,447 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:23,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,449 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,449 INFO L185 Difference]: Start difference. First operand has 166 places, 115 transitions, 2953 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:23,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 125 transitions, 3357 flow [2021-03-26 03:48:23,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 125 transitions, 3301 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:23,489 INFO L241 Difference]: Finished difference. Result has 171 places, 115 transitions, 3028 flow [2021-03-26 03:48:23,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2903, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3028, PETRI_PLACES=171, PETRI_TRANSITIONS=115} [2021-03-26 03:48:23,490 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 139 predicate places. [2021-03-26 03:48:23,490 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:23,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 115 transitions, 3028 flow [2021-03-26 03:48:23,490 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 115 transitions, 3028 flow [2021-03-26 03:48:23,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 115 transitions, 3028 flow [2021-03-26 03:48:23,541 INFO L129 PetriNetUnfolder]: 0/472 cut-off events. [2021-03-26 03:48:23,541 INFO L130 PetriNetUnfolder]: For 9980/10081 co-relation queries the response was YES. [2021-03-26 03:48:23,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 472 events. 0/472 cut-off events. For 9980/10081 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4960 event pairs, 0 based on Foata normal form. 2/461 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2021-03-26 03:48:23,546 INFO L142 LiptonReduction]: Number of co-enabled transitions 376 [2021-03-26 03:48:23,552 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:23,552 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:23,552 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 03:48:23,553 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 115 transitions, 3028 flow [2021-03-26 03:48:23,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:23,553 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:23,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 03:48:23,553 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:23,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:23,554 INFO L82 PathProgramCache]: Analyzing trace with hash -379426554, now seen corresponding path program 34 times [2021-03-26 03:48:23,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:23,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858714089] [2021-03-26 03:48:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:23,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:23,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:23,569 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:23,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:23,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:23,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:23,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:23,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:23,608 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:23,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:23,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858714089] [2021-03-26 03:48:23,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:23,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:23,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171951899] [2021-03-26 03:48:23,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:23,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:23,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:23,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:23,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:23,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 115 transitions, 3028 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:23,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:23,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:23,760 INFO L129 PetriNetUnfolder]: 10/491 cut-off events. [2021-03-26 03:48:23,760 INFO L130 PetriNetUnfolder]: For 9846/9924 co-relation queries the response was YES. [2021-03-26 03:48:23,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3030 conditions, 491 events. 10/491 cut-off events. For 9846/9924 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5072 event pairs, 4 based on Foata normal form. 12/494 useless extension candidates. Maximal degree in co-relation 2973. Up to 95 conditions per place. [2021-03-26 03:48:23,763 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 61 selfloop transitions, 51 changer transitions 1/123 dead transitions. [2021-03-26 03:48:23,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 123 transitions, 3377 flow [2021-03-26 03:48:23,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:23,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:23,765 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:23,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:23,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,766 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,766 INFO L185 Difference]: Start difference. First operand has 169 places, 115 transitions, 3028 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:23,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 123 transitions, 3377 flow [2021-03-26 03:48:23,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 123 transitions, 3262 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:23,807 INFO L241 Difference]: Finished difference. Result has 173 places, 115 transitions, 3032 flow [2021-03-26 03:48:23,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2925, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3032, PETRI_PLACES=173, PETRI_TRANSITIONS=115} [2021-03-26 03:48:23,808 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 141 predicate places. [2021-03-26 03:48:23,808 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:23,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 115 transitions, 3032 flow [2021-03-26 03:48:23,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 115 transitions, 3032 flow [2021-03-26 03:48:23,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 115 transitions, 3032 flow [2021-03-26 03:48:23,859 INFO L129 PetriNetUnfolder]: 0/467 cut-off events. [2021-03-26 03:48:23,859 INFO L130 PetriNetUnfolder]: For 9671/9772 co-relation queries the response was YES. [2021-03-26 03:48:23,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2634 conditions, 467 events. 0/467 cut-off events. For 9671/9772 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4920 event pairs, 0 based on Foata normal form. 2/456 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2021-03-26 03:48:23,866 INFO L142 LiptonReduction]: Number of co-enabled transitions 374 [2021-03-26 03:48:23,873 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:23,873 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:23,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-26 03:48:23,874 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 115 transitions, 3032 flow [2021-03-26 03:48:23,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:23,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:23,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 03:48:23,875 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:23,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:23,875 INFO L82 PathProgramCache]: Analyzing trace with hash 413059018, now seen corresponding path program 35 times [2021-03-26 03:48:23,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:23,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221429006] [2021-03-26 03:48:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:23,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:23,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:23,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:23,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:23,911 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:23,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:23,925 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:23,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:23,943 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:23,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:23,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221429006] [2021-03-26 03:48:23,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:23,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:23,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932244806] [2021-03-26 03:48:23,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:23,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:23,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:23,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:23,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:23,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 115 transitions, 3032 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:23,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:23,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:24,083 INFO L129 PetriNetUnfolder]: 10/486 cut-off events. [2021-03-26 03:48:24,083 INFO L130 PetriNetUnfolder]: For 9648/9726 co-relation queries the response was YES. [2021-03-26 03:48:24,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3013 conditions, 486 events. 10/486 cut-off events. For 9648/9726 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5010 event pairs, 4 based on Foata normal form. 12/489 useless extension candidates. Maximal degree in co-relation 2956. Up to 95 conditions per place. [2021-03-26 03:48:24,086 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 61 selfloop transitions, 50 changer transitions 1/122 dead transitions. [2021-03-26 03:48:24,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 122 transitions, 3347 flow [2021-03-26 03:48:24,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:24,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:24,092 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:24,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,098 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,098 INFO L185 Difference]: Start difference. First operand has 171 places, 115 transitions, 3032 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:24,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 122 transitions, 3347 flow [2021-03-26 03:48:24,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 122 transitions, 3286 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:24,136 INFO L241 Difference]: Finished difference. Result has 176 places, 115 transitions, 3075 flow [2021-03-26 03:48:24,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2977, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3075, PETRI_PLACES=176, PETRI_TRANSITIONS=115} [2021-03-26 03:48:24,136 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 144 predicate places. [2021-03-26 03:48:24,136 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:24,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 115 transitions, 3075 flow [2021-03-26 03:48:24,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 115 transitions, 3075 flow [2021-03-26 03:48:24,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 115 transitions, 3075 flow [2021-03-26 03:48:24,187 INFO L129 PetriNetUnfolder]: 0/463 cut-off events. [2021-03-26 03:48:24,187 INFO L130 PetriNetUnfolder]: For 10086/10202 co-relation queries the response was YES. [2021-03-26 03:48:24,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2656 conditions, 463 events. 0/463 cut-off events. For 10086/10202 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4843 event pairs, 0 based on Foata normal form. 2/452 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 03:48:24,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-26 03:48:24,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:24,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:24,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 03:48:24,199 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 115 transitions, 3075 flow [2021-03-26 03:48:24,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:24,200 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:24,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 03:48:24,200 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:24,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:24,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1702322208, now seen corresponding path program 36 times [2021-03-26 03:48:24,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:24,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673281169] [2021-03-26 03:48:24,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:24,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:24,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:24,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:24,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:24,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:24,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:24,238 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:24,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:24,264 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:24,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:24,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673281169] [2021-03-26 03:48:24,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:24,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:24,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166030429] [2021-03-26 03:48:24,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:24,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:24,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:24,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:24,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:24,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 115 transitions, 3075 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:24,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:24,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:24,389 INFO L129 PetriNetUnfolder]: 10/482 cut-off events. [2021-03-26 03:48:24,389 INFO L130 PetriNetUnfolder]: For 9718/9770 co-relation queries the response was YES. [2021-03-26 03:48:24,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3037 conditions, 482 events. 10/482 cut-off events. For 9718/9770 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4956 event pairs, 4 based on Foata normal form. 5/478 useless extension candidates. Maximal degree in co-relation 2979. Up to 95 conditions per place. [2021-03-26 03:48:24,391 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 60 selfloop transitions, 50 changer transitions 1/121 dead transitions. [2021-03-26 03:48:24,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 121 transitions, 3363 flow [2021-03-26 03:48:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:24,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:24,393 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:24,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,394 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,394 INFO L185 Difference]: Start difference. First operand has 174 places, 115 transitions, 3075 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:24,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 121 transitions, 3363 flow [2021-03-26 03:48:24,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 121 transitions, 3223 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:24,433 INFO L241 Difference]: Finished difference. Result has 177 places, 115 transitions, 3052 flow [2021-03-26 03:48:24,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2941, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3052, PETRI_PLACES=177, PETRI_TRANSITIONS=115} [2021-03-26 03:48:24,433 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 145 predicate places. [2021-03-26 03:48:24,433 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:24,434 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 115 transitions, 3052 flow [2021-03-26 03:48:24,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 115 transitions, 3052 flow [2021-03-26 03:48:24,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 115 transitions, 3052 flow [2021-03-26 03:48:24,484 INFO L129 PetriNetUnfolder]: 0/458 cut-off events. [2021-03-26 03:48:24,484 INFO L130 PetriNetUnfolder]: For 10147/10263 co-relation queries the response was YES. [2021-03-26 03:48:24,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2635 conditions, 458 events. 0/458 cut-off events. For 10147/10263 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4816 event pairs, 0 based on Foata normal form. 2/451 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-03-26 03:48:24,488 INFO L142 LiptonReduction]: Number of co-enabled transitions 368 [2021-03-26 03:48:24,494 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:24,494 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:24,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 03:48:24,495 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 115 transitions, 3052 flow [2021-03-26 03:48:24,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:24,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:24,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 03:48:24,495 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:24,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:24,495 INFO L82 PathProgramCache]: Analyzing trace with hash 729602336, now seen corresponding path program 37 times [2021-03-26 03:48:24,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:24,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663449934] [2021-03-26 03:48:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:24,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:24,526 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:24,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:24,545 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:24,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:24,564 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:24,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663449934] [2021-03-26 03:48:24,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:24,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:24,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600397154] [2021-03-26 03:48:24,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:24,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:24,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:24,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:24,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:24,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 115 transitions, 3052 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:24,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:24,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:24,690 INFO L129 PetriNetUnfolder]: 10/477 cut-off events. [2021-03-26 03:48:24,691 INFO L130 PetriNetUnfolder]: For 9812/9882 co-relation queries the response was YES. [2021-03-26 03:48:24,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3010 conditions, 477 events. 10/477 cut-off events. For 9812/9882 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4883 event pairs, 4 based on Foata normal form. 7/476 useless extension candidates. Maximal degree in co-relation 2951. Up to 109 conditions per place. [2021-03-26 03:48:24,693 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 71 selfloop transitions, 52 changer transitions 5/138 dead transitions. [2021-03-26 03:48:24,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 138 transitions, 3862 flow [2021-03-26 03:48:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:24,694 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:24,695 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:24,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:24,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,696 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,696 INFO L185 Difference]: Start difference. First operand has 175 places, 115 transitions, 3052 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:24,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 138 transitions, 3862 flow [2021-03-26 03:48:24,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 138 transitions, 3760 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:24,738 INFO L241 Difference]: Finished difference. Result has 183 places, 120 transitions, 3283 flow [2021-03-26 03:48:24,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2974, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3283, PETRI_PLACES=183, PETRI_TRANSITIONS=120} [2021-03-26 03:48:24,739 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 151 predicate places. [2021-03-26 03:48:24,739 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:24,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 120 transitions, 3283 flow [2021-03-26 03:48:24,739 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 120 transitions, 3283 flow [2021-03-26 03:48:24,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 120 transitions, 3283 flow [2021-03-26 03:48:24,787 INFO L129 PetriNetUnfolder]: 0/444 cut-off events. [2021-03-26 03:48:24,788 INFO L130 PetriNetUnfolder]: For 10351/10456 co-relation queries the response was YES. [2021-03-26 03:48:24,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2604 conditions, 444 events. 0/444 cut-off events. For 10351/10456 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4600 event pairs, 0 based on Foata normal form. 3/439 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 03:48:24,792 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 03:48:24,798 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:24,798 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:24,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 03:48:24,798 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 120 transitions, 3283 flow [2021-03-26 03:48:24,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:24,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:24,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 03:48:24,799 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:24,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:24,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2087269092, now seen corresponding path program 38 times [2021-03-26 03:48:24,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:24,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172367365] [2021-03-26 03:48:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:24,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:24,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:24,818 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:24,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:24,827 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:24,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:24,840 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:24,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:24,858 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:24,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:24,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172367365] [2021-03-26 03:48:24,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:24,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:24,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512748122] [2021-03-26 03:48:24,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:24,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:24,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:24,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:24,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:24,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 120 transitions, 3283 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:24,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:24,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:25,010 INFO L129 PetriNetUnfolder]: 10/463 cut-off events. [2021-03-26 03:48:25,010 INFO L130 PetriNetUnfolder]: For 10181/10251 co-relation queries the response was YES. [2021-03-26 03:48:25,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2980 conditions, 463 events. 10/463 cut-off events. For 10181/10251 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4711 event pairs, 4 based on Foata normal form. 8/463 useless extension candidates. Maximal degree in co-relation 2917. Up to 94 conditions per place. [2021-03-26 03:48:25,013 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 62 selfloop transitions, 49 changer transitions 3/124 dead transitions. [2021-03-26 03:48:25,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 124 transitions, 3537 flow [2021-03-26 03:48:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:25,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:25,016 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:25,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,020 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,020 INFO L185 Difference]: Start difference. First operand has 182 places, 120 transitions, 3283 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:25,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 124 transitions, 3537 flow [2021-03-26 03:48:25,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 124 transitions, 3453 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:25,065 INFO L241 Difference]: Finished difference. Result has 186 places, 117 transitions, 3201 flow [2021-03-26 03:48:25,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3205, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3201, PETRI_PLACES=186, PETRI_TRANSITIONS=117} [2021-03-26 03:48:25,066 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 154 predicate places. [2021-03-26 03:48:25,066 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:25,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 117 transitions, 3201 flow [2021-03-26 03:48:25,068 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 117 transitions, 3201 flow [2021-03-26 03:48:25,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 117 transitions, 3201 flow [2021-03-26 03:48:25,114 INFO L129 PetriNetUnfolder]: 0/431 cut-off events. [2021-03-26 03:48:25,115 INFO L130 PetriNetUnfolder]: For 9819/9923 co-relation queries the response was YES. [2021-03-26 03:48:25,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2528 conditions, 431 events. 0/431 cut-off events. For 9819/9923 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4427 event pairs, 0 based on Foata normal form. 1/426 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 03:48:25,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 03:48:25,124 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:25,124 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:25,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 03:48:25,126 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 117 transitions, 3201 flow [2021-03-26 03:48:25,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:25,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:25,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 03:48:25,127 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:25,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:25,127 INFO L82 PathProgramCache]: Analyzing trace with hash -709222330, now seen corresponding path program 39 times [2021-03-26 03:48:25,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:25,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478250711] [2021-03-26 03:48:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:25,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:25,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:25,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:25,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:25,162 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:25,175 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:25,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:25,193 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:25,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478250711] [2021-03-26 03:48:25,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:25,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:25,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559437627] [2021-03-26 03:48:25,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:25,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:25,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:25,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:25,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:25,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 117 transitions, 3201 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:25,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:25,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:25,346 INFO L129 PetriNetUnfolder]: 10/450 cut-off events. [2021-03-26 03:48:25,346 INFO L130 PetriNetUnfolder]: For 9608/9641 co-relation queries the response was YES. [2021-03-26 03:48:25,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2901 conditions, 450 events. 10/450 cut-off events. For 9608/9641 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4537 event pairs, 4 based on Foata normal form. 5/449 useless extension candidates. Maximal degree in co-relation 2839. Up to 104 conditions per place. [2021-03-26 03:48:25,349 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 52 changer transitions 2/128 dead transitions. [2021-03-26 03:48:25,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 128 transitions, 3667 flow [2021-03-26 03:48:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:25,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:25,351 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:25,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,353 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,353 INFO L185 Difference]: Start difference. First operand has 184 places, 117 transitions, 3201 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:25,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 128 transitions, 3667 flow [2021-03-26 03:48:25,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 128 transitions, 3566 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:25,396 INFO L241 Difference]: Finished difference. Result has 187 places, 121 transitions, 3376 flow [2021-03-26 03:48:25,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3111, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3376, PETRI_PLACES=187, PETRI_TRANSITIONS=121} [2021-03-26 03:48:25,396 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 155 predicate places. [2021-03-26 03:48:25,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:25,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 121 transitions, 3376 flow [2021-03-26 03:48:25,397 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 121 transitions, 3376 flow [2021-03-26 03:48:25,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 186 places, 121 transitions, 3376 flow [2021-03-26 03:48:25,438 INFO L129 PetriNetUnfolder]: 0/426 cut-off events. [2021-03-26 03:48:25,438 INFO L130 PetriNetUnfolder]: For 9998/10100 co-relation queries the response was YES. [2021-03-26 03:48:25,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 426 events. 0/426 cut-off events. For 9998/10100 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4349 event pairs, 0 based on Foata normal form. 1/423 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 03:48:25,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 03:48:25,447 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:25,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:25,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-26 03:48:25,448 INFO L480 AbstractCegarLoop]: Abstraction has has 186 places, 121 transitions, 3376 flow [2021-03-26 03:48:25,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:25,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:25,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 03:48:25,448 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:25,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:25,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2107271776, now seen corresponding path program 40 times [2021-03-26 03:48:25,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:25,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165356438] [2021-03-26 03:48:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:25,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:25,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:25,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:25,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:25,480 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:25,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:25,494 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:25,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:25,512 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:25,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:25,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165356438] [2021-03-26 03:48:25,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:25,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:25,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479688991] [2021-03-26 03:48:25,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:25,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:25,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:25,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:25,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:25,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 121 transitions, 3376 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:25,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:25,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:25,628 INFO L129 PetriNetUnfolder]: 10/445 cut-off events. [2021-03-26 03:48:25,629 INFO L130 PetriNetUnfolder]: For 9807/9840 co-relation queries the response was YES. [2021-03-26 03:48:25,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2911 conditions, 445 events. 10/445 cut-off events. For 9807/9840 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4459 event pairs, 4 based on Foata normal form. 5/445 useless extension candidates. Maximal degree in co-relation 2850. Up to 104 conditions per place. [2021-03-26 03:48:25,631 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 49 changer transitions 3/126 dead transitions. [2021-03-26 03:48:25,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 126 transitions, 3648 flow [2021-03-26 03:48:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:25,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:25,632 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:25,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:25,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,634 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,634 INFO L185 Difference]: Start difference. First operand has 186 places, 121 transitions, 3376 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:25,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 126 transitions, 3648 flow [2021-03-26 03:48:25,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 126 transitions, 3558 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:25,677 INFO L241 Difference]: Finished difference. Result has 190 places, 118 transitions, 3298 flow [2021-03-26 03:48:25,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3292, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3298, PETRI_PLACES=190, PETRI_TRANSITIONS=118} [2021-03-26 03:48:25,678 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 158 predicate places. [2021-03-26 03:48:25,678 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:25,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 118 transitions, 3298 flow [2021-03-26 03:48:25,678 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 118 transitions, 3298 flow [2021-03-26 03:48:25,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 118 transitions, 3298 flow [2021-03-26 03:48:25,724 INFO L129 PetriNetUnfolder]: 0/417 cut-off events. [2021-03-26 03:48:25,724 INFO L130 PetriNetUnfolder]: For 9745/9847 co-relation queries the response was YES. [2021-03-26 03:48:25,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2504 conditions, 417 events. 0/417 cut-off events. For 9745/9847 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4252 event pairs, 0 based on Foata normal form. 1/414 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 03:48:25,728 INFO L142 LiptonReduction]: Number of co-enabled transitions 346 [2021-03-26 03:48:25,734 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:25,734 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:25,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 03:48:25,734 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 118 transitions, 3298 flow [2021-03-26 03:48:25,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:25,735 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:25,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 03:48:25,735 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:25,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:25,735 INFO L82 PathProgramCache]: Analyzing trace with hash 465414300, now seen corresponding path program 41 times [2021-03-26 03:48:25,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:25,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129662485] [2021-03-26 03:48:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:25,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:25,750 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:25,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:25,779 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:25,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:25,801 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:25,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:25,823 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:25,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129662485] [2021-03-26 03:48:25,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:25,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:25,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196020111] [2021-03-26 03:48:25,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:25,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:25,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:25,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:25,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:25,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 118 transitions, 3298 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:25,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:25,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:25,950 INFO L129 PetriNetUnfolder]: 10/436 cut-off events. [2021-03-26 03:48:25,950 INFO L130 PetriNetUnfolder]: For 9644/9677 co-relation queries the response was YES. [2021-03-26 03:48:25,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2874 conditions, 436 events. 10/436 cut-off events. For 9644/9677 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4316 event pairs, 4 based on Foata normal form. 5/436 useless extension candidates. Maximal degree in co-relation 2813. Up to 104 conditions per place. [2021-03-26 03:48:25,953 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 66 selfloop transitions, 46 changer transitions 3/125 dead transitions. [2021-03-26 03:48:25,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 125 transitions, 3648 flow [2021-03-26 03:48:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:25,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:25,954 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:25,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:25,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:25,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:25,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,956 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,956 INFO L185 Difference]: Start difference. First operand has 189 places, 118 transitions, 3298 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:25,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 125 transitions, 3648 flow [2021-03-26 03:48:25,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 125 transitions, 3546 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:25,995 INFO L241 Difference]: Finished difference. Result has 193 places, 117 transitions, 3302 flow [2021-03-26 03:48:25,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3204, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3302, PETRI_PLACES=193, PETRI_TRANSITIONS=117} [2021-03-26 03:48:25,996 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 161 predicate places. [2021-03-26 03:48:25,996 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:25,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 117 transitions, 3302 flow [2021-03-26 03:48:25,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 117 transitions, 3302 flow [2021-03-26 03:48:25,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 117 transitions, 3302 flow [2021-03-26 03:48:26,042 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 03:48:26,042 INFO L130 PetriNetUnfolder]: For 9808/9920 co-relation queries the response was YES. [2021-03-26 03:48:26,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2461 conditions, 408 events. 0/408 cut-off events. For 9808/9920 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4121 event pairs, 0 based on Foata normal form. 2/404 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 03:48:26,045 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-26 03:48:26,050 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:26,050 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:26,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 03:48:26,051 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 117 transitions, 3302 flow [2021-03-26 03:48:26,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:26,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:26,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 03:48:26,051 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:26,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1757922050, now seen corresponding path program 42 times [2021-03-26 03:48:26,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:26,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433915845] [2021-03-26 03:48:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:26,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:26,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:26,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:26,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:26,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:26,128 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:26,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433915845] [2021-03-26 03:48:26,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:26,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:26,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370866161] [2021-03-26 03:48:26,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:26,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:26,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:26,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:26,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:26,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 117 transitions, 3302 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:26,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:26,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:26,280 INFO L129 PetriNetUnfolder]: 4/538 cut-off events. [2021-03-26 03:48:26,280 INFO L130 PetriNetUnfolder]: For 12020/12057 co-relation queries the response was YES. [2021-03-26 03:48:26,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3453 conditions, 538 events. 4/538 cut-off events. For 12020/12057 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5721 event pairs, 4 based on Foata normal form. 6/538 useless extension candidates. Maximal degree in co-relation 3391. Up to 118 conditions per place. [2021-03-26 03:48:26,282 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 52 changer transitions 2/150 dead transitions. [2021-03-26 03:48:26,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 150 transitions, 4567 flow [2021-03-26 03:48:26,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:26,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:26,283 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:26,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,284 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,285 INFO L185 Difference]: Start difference. First operand has 191 places, 117 transitions, 3302 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:26,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 150 transitions, 4567 flow [2021-03-26 03:48:26,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 150 transitions, 4431 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:26,320 INFO L241 Difference]: Finished difference. Result has 197 places, 128 transitions, 3746 flow [2021-03-26 03:48:26,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3202, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3746, PETRI_PLACES=197, PETRI_TRANSITIONS=128} [2021-03-26 03:48:26,320 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 165 predicate places. [2021-03-26 03:48:26,320 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:26,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 128 transitions, 3746 flow [2021-03-26 03:48:26,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 128 transitions, 3746 flow [2021-03-26 03:48:26,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 128 transitions, 3746 flow [2021-03-26 03:48:26,366 INFO L129 PetriNetUnfolder]: 0/523 cut-off events. [2021-03-26 03:48:26,366 INFO L130 PetriNetUnfolder]: For 12508/12539 co-relation queries the response was YES. [2021-03-26 03:48:26,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3161 conditions, 523 events. 0/523 cut-off events. For 12508/12539 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5626 event pairs, 0 based on Foata normal form. 0/515 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-03-26 03:48:26,371 INFO L142 LiptonReduction]: Number of co-enabled transitions 340 [2021-03-26 03:48:26,377 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:26,377 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:26,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 03:48:26,378 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 128 transitions, 3746 flow [2021-03-26 03:48:26,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:26,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:26,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 03:48:26,378 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:26,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1188715296, now seen corresponding path program 43 times [2021-03-26 03:48:26,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:26,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883026828] [2021-03-26 03:48:26,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:26,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:26,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:26,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:26,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:26,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:26,423 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:26,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:26,440 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:26,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:26,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883026828] [2021-03-26 03:48:26,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:26,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:26,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060177013] [2021-03-26 03:48:26,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:26,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:26,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:26,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:26,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 128 transitions, 3746 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:26,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:26,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:26,571 INFO L129 PetriNetUnfolder]: 4/530 cut-off events. [2021-03-26 03:48:26,571 INFO L130 PetriNetUnfolder]: For 12574/12630 co-relation queries the response was YES. [2021-03-26 03:48:26,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3462 conditions, 530 events. 4/530 cut-off events. For 12574/12630 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5589 event pairs, 1 based on Foata normal form. 1/525 useless extension candidates. Maximal degree in co-relation 3397. Up to 115 conditions per place. [2021-03-26 03:48:26,574 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 96 selfloop transitions, 50 changer transitions 2/158 dead transitions. [2021-03-26 03:48:26,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 158 transitions, 4842 flow [2021-03-26 03:48:26,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:26,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:26,576 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:26,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,577 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,577 INFO L185 Difference]: Start difference. First operand has 196 places, 128 transitions, 3746 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:26,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 158 transitions, 4842 flow [2021-03-26 03:48:26,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 158 transitions, 4760 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:26,635 INFO L241 Difference]: Finished difference. Result has 203 places, 139 transitions, 4193 flow [2021-03-26 03:48:26,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3685, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4193, PETRI_PLACES=203, PETRI_TRANSITIONS=139} [2021-03-26 03:48:26,635 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 171 predicate places. [2021-03-26 03:48:26,635 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:26,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 139 transitions, 4193 flow [2021-03-26 03:48:26,636 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 139 transitions, 4193 flow [2021-03-26 03:48:26,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 139 transitions, 4193 flow [2021-03-26 03:48:26,695 INFO L129 PetriNetUnfolder]: 0/515 cut-off events. [2021-03-26 03:48:26,695 INFO L130 PetriNetUnfolder]: For 13222/13255 co-relation queries the response was YES. [2021-03-26 03:48:26,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3211 conditions, 515 events. 0/515 cut-off events. For 13222/13255 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5510 event pairs, 0 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 0. Up to 62 conditions per place. [2021-03-26 03:48:26,698 INFO L142 LiptonReduction]: Number of co-enabled transitions 360 [2021-03-26 03:48:26,703 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:26,703 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:26,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 03:48:26,703 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 139 transitions, 4193 flow [2021-03-26 03:48:26,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:26,704 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:26,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 03:48:26,704 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:26,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:26,704 INFO L82 PathProgramCache]: Analyzing trace with hash -957488872, now seen corresponding path program 44 times [2021-03-26 03:48:26,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:26,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503319239] [2021-03-26 03:48:26,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:26,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:26,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:26,724 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:26,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:26,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:26,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:26,762 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:26,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:26,780 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:26,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503319239] [2021-03-26 03:48:26,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:26,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:26,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246300849] [2021-03-26 03:48:26,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:26,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:26,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:26,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:26,800 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:26,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 139 transitions, 4193 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:26,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:26,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:26,935 INFO L129 PetriNetUnfolder]: 4/522 cut-off events. [2021-03-26 03:48:26,936 INFO L130 PetriNetUnfolder]: For 13409/13475 co-relation queries the response was YES. [2021-03-26 03:48:26,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3511 conditions, 522 events. 4/522 cut-off events. For 13409/13475 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5500 event pairs, 4 based on Foata normal form. 8/525 useless extension candidates. Maximal degree in co-relation 3443. Up to 117 conditions per place. [2021-03-26 03:48:26,938 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 64 changer transitions 2/146 dead transitions. [2021-03-26 03:48:26,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 146 transitions, 4594 flow [2021-03-26 03:48:26,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:26,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:26,939 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:26,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:26,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,940 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,940 INFO L185 Difference]: Start difference. First operand has 202 places, 139 transitions, 4193 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:26,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 146 transitions, 4594 flow [2021-03-26 03:48:26,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 146 transitions, 4553 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:26,983 INFO L241 Difference]: Finished difference. Result has 208 places, 140 transitions, 4351 flow [2021-03-26 03:48:26,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4159, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4351, PETRI_PLACES=208, PETRI_TRANSITIONS=140} [2021-03-26 03:48:26,983 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 176 predicate places. [2021-03-26 03:48:26,983 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:26,983 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 140 transitions, 4351 flow [2021-03-26 03:48:26,984 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 140 transitions, 4351 flow [2021-03-26 03:48:26,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 140 transitions, 4351 flow [2021-03-26 03:48:27,036 INFO L129 PetriNetUnfolder]: 0/507 cut-off events. [2021-03-26 03:48:27,037 INFO L130 PetriNetUnfolder]: For 13821/13860 co-relation queries the response was YES. [2021-03-26 03:48:27,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3243 conditions, 507 events. 0/507 cut-off events. For 13821/13860 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5386 event pairs, 0 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 0. Up to 61 conditions per place. [2021-03-26 03:48:27,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 354 [2021-03-26 03:48:27,048 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 03:48:27,049 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 140 transitions, 4351 flow [2021-03-26 03:48:27,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,049 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 03:48:27,049 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2003101314, now seen corresponding path program 45 times [2021-03-26 03:48:27,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636063625] [2021-03-26 03:48:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:27,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:27,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:27,080 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:27,106 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:27,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:27,126 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636063625] [2021-03-26 03:48:27,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:27,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510036557] [2021-03-26 03:48:27,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:27,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:27,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:27,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:27,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 140 transitions, 4351 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:27,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,262 INFO L129 PetriNetUnfolder]: 4/514 cut-off events. [2021-03-26 03:48:27,262 INFO L130 PetriNetUnfolder]: For 14037/14120 co-relation queries the response was YES. [2021-03-26 03:48:27,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3540 conditions, 514 events. 4/514 cut-off events. For 14037/14120 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5378 event pairs, 4 based on Foata normal form. 11/520 useless extension candidates. Maximal degree in co-relation 3471. Up to 117 conditions per place. [2021-03-26 03:48:27,265 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 69 selfloop transitions, 61 changer transitions 3/143 dead transitions. [2021-03-26 03:48:27,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 143 transitions, 4648 flow [2021-03-26 03:48:27,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:27,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:27,276 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:27,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:27,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:27,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,278 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,278 INFO L185 Difference]: Start difference. First operand has 207 places, 140 transitions, 4351 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:27,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 143 transitions, 4648 flow [2021-03-26 03:48:27,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 143 transitions, 4546 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:27,338 INFO L241 Difference]: Finished difference. Result has 212 places, 138 transitions, 4313 flow [2021-03-26 03:48:27,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4253, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4313, PETRI_PLACES=212, PETRI_TRANSITIONS=138} [2021-03-26 03:48:27,339 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 180 predicate places. [2021-03-26 03:48:27,339 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,339 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 138 transitions, 4313 flow [2021-03-26 03:48:27,339 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 138 transitions, 4313 flow [2021-03-26 03:48:27,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 138 transitions, 4313 flow [2021-03-26 03:48:27,393 INFO L129 PetriNetUnfolder]: 0/497 cut-off events. [2021-03-26 03:48:27,394 INFO L130 PetriNetUnfolder]: For 13529/13561 co-relation queries the response was YES. [2021-03-26 03:48:27,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3209 conditions, 497 events. 0/497 cut-off events. For 13529/13561 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5246 event pairs, 0 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 0. Up to 60 conditions per place. [2021-03-26 03:48:27,397 INFO L142 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-26 03:48:27,405 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,406 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,406 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 03:48:27,406 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 138 transitions, 4313 flow [2021-03-26 03:48:27,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 03:48:27,407 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,407 INFO L82 PathProgramCache]: Analyzing trace with hash 704895976, now seen corresponding path program 46 times [2021-03-26 03:48:27,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447337283] [2021-03-26 03:48:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:27,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:27,430 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:27,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:27,442 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:27,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:27,461 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:27,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447337283] [2021-03-26 03:48:27,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:27,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611121704] [2021-03-26 03:48:27,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:27,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:27,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:27,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:27,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 138 transitions, 4313 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:27,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,589 INFO L129 PetriNetUnfolder]: 4/504 cut-off events. [2021-03-26 03:48:27,589 INFO L130 PetriNetUnfolder]: For 13719/13776 co-relation queries the response was YES. [2021-03-26 03:48:27,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3501 conditions, 504 events. 4/504 cut-off events. For 13719/13776 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5265 event pairs, 4 based on Foata normal form. 7/506 useless extension candidates. Maximal degree in co-relation 3431. Up to 115 conditions per place. [2021-03-26 03:48:27,591 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 57 changer transitions 2/150 dead transitions. [2021-03-26 03:48:27,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 150 transitions, 4881 flow [2021-03-26 03:48:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:27,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:27,592 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:27,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:27,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:27,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,593 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,594 INFO L185 Difference]: Start difference. First operand has 210 places, 138 transitions, 4313 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:27,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 150 transitions, 4881 flow [2021-03-26 03:48:27,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 150 transitions, 4743 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:27,640 INFO L241 Difference]: Finished difference. Result has 214 places, 140 transitions, 4392 flow [2021-03-26 03:48:27,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4185, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4392, PETRI_PLACES=214, PETRI_TRANSITIONS=140} [2021-03-26 03:48:27,641 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 182 predicate places. [2021-03-26 03:48:27,641 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,641 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 140 transitions, 4392 flow [2021-03-26 03:48:27,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 140 transitions, 4392 flow [2021-03-26 03:48:27,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 140 transitions, 4392 flow [2021-03-26 03:48:27,688 INFO L129 PetriNetUnfolder]: 0/489 cut-off events. [2021-03-26 03:48:27,688 INFO L130 PetriNetUnfolder]: For 13623/13654 co-relation queries the response was YES. [2021-03-26 03:48:27,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 489 events. 0/489 cut-off events. For 13623/13654 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5169 event pairs, 0 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-03-26 03:48:27,691 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-26 03:48:27,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 03:48:27,697 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 140 transitions, 4392 flow [2021-03-26 03:48:27,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 03:48:27,697 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,698 INFO L82 PathProgramCache]: Analyzing trace with hash -2031431656, now seen corresponding path program 47 times [2021-03-26 03:48:27,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506830304] [2021-03-26 03:48:27,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:27,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:27,721 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:27,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:27,733 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:27,748 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506830304] [2021-03-26 03:48:27,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:27,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638068022] [2021-03-26 03:48:27,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:27,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:27,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:27,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:27,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 140 transitions, 4392 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:27,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,873 INFO L129 PetriNetUnfolder]: 4/496 cut-off events. [2021-03-26 03:48:27,873 INFO L130 PetriNetUnfolder]: For 13821/13878 co-relation queries the response was YES. [2021-03-26 03:48:27,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3473 conditions, 496 events. 4/496 cut-off events. For 13821/13878 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5175 event pairs, 4 based on Foata normal form. 7/498 useless extension candidates. Maximal degree in co-relation 3402. Up to 115 conditions per place. [2021-03-26 03:48:27,876 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 54 changer transitions 3/147 dead transitions. [2021-03-26 03:48:27,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 147 transitions, 4827 flow [2021-03-26 03:48:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:27,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:27,884 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:27,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:27,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:27,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,886 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,886 INFO L185 Difference]: Start difference. First operand has 213 places, 140 transitions, 4392 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:27,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 147 transitions, 4827 flow [2021-03-26 03:48:27,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 147 transitions, 4740 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:27,951 INFO L241 Difference]: Finished difference. Result has 218 places, 138 transitions, 4360 flow [2021-03-26 03:48:27,951 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4309, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4360, PETRI_PLACES=218, PETRI_TRANSITIONS=138} [2021-03-26 03:48:27,951 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-03-26 03:48:27,951 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 138 transitions, 4360 flow [2021-03-26 03:48:27,952 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 138 transitions, 4360 flow [2021-03-26 03:48:27,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 138 transitions, 4360 flow [2021-03-26 03:48:28,003 INFO L129 PetriNetUnfolder]: 0/480 cut-off events. [2021-03-26 03:48:28,003 INFO L130 PetriNetUnfolder]: For 13526/13557 co-relation queries the response was YES. [2021-03-26 03:48:28,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3158 conditions, 480 events. 0/480 cut-off events. For 13526/13557 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5046 event pairs, 0 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2021-03-26 03:48:28,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 354 [2021-03-26 03:48:28,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,015 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-26 03:48:28,015 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 138 transitions, 4360 flow [2021-03-26 03:48:28,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 03:48:28,016 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1086420380, now seen corresponding path program 48 times [2021-03-26 03:48:28,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111842057] [2021-03-26 03:48:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:28,064 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:28,082 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:28,099 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:28,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:28,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111842057] [2021-03-26 03:48:28,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:28,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:28,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968554308] [2021-03-26 03:48:28,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:28,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:28,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:28,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:28,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:28,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 138 transitions, 4360 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:28,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:28,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,246 INFO L129 PetriNetUnfolder]: 4/487 cut-off events. [2021-03-26 03:48:28,246 INFO L130 PetriNetUnfolder]: For 13711/13766 co-relation queries the response was YES. [2021-03-26 03:48:28,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3443 conditions, 487 events. 4/487 cut-off events. For 13711/13766 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5035 event pairs, 4 based on Foata normal form. 6/488 useless extension candidates. Maximal degree in co-relation 3371. Up to 115 conditions per place. [2021-03-26 03:48:28,248 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 60 changer transitions 3/145 dead transitions. [2021-03-26 03:48:28,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 145 transitions, 4766 flow [2021-03-26 03:48:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:28,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:28,249 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,250 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,250 INFO L185 Difference]: Start difference. First operand has 216 places, 138 transitions, 4360 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:28,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 145 transitions, 4766 flow [2021-03-26 03:48:28,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 145 transitions, 4648 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:28,299 INFO L241 Difference]: Finished difference. Result has 218 places, 135 transitions, 4266 flow [2021-03-26 03:48:28,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4248, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4266, PETRI_PLACES=218, PETRI_TRANSITIONS=135} [2021-03-26 03:48:28,300 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-03-26 03:48:28,300 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:28,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 135 transitions, 4266 flow [2021-03-26 03:48:28,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 135 transitions, 4266 flow [2021-03-26 03:48:28,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 135 transitions, 4266 flow [2021-03-26 03:48:28,341 INFO L129 PetriNetUnfolder]: 0/471 cut-off events. [2021-03-26 03:48:28,341 INFO L130 PetriNetUnfolder]: For 13142/13173 co-relation queries the response was YES. [2021-03-26 03:48:28,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3104 conditions, 471 events. 0/471 cut-off events. For 13142/13173 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4925 event pairs, 0 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2021-03-26 03:48:28,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 342 [2021-03-26 03:48:28,348 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,349 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 03:48:28,349 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 135 transitions, 4266 flow [2021-03-26 03:48:28,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 03:48:28,350 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash -203140674, now seen corresponding path program 49 times [2021-03-26 03:48:28,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442903618] [2021-03-26 03:48:28,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:28,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:28,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:28,385 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:28,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:28,403 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:28,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:28,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442903618] [2021-03-26 03:48:28,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:28,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:28,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771650367] [2021-03-26 03:48:28,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:28,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:28,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:28,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:28,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:28,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 135 transitions, 4266 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:28,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:28,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,539 INFO L129 PetriNetUnfolder]: 4/478 cut-off events. [2021-03-26 03:48:28,539 INFO L130 PetriNetUnfolder]: For 13283/13334 co-relation queries the response was YES. [2021-03-26 03:48:28,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3385 conditions, 478 events. 4/478 cut-off events. For 13283/13334 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4917 event pairs, 4 based on Foata normal form. 6/479 useless extension candidates. Maximal degree in co-relation 3314. Up to 115 conditions per place. [2021-03-26 03:48:28,542 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 58 changer transitions 2/142 dead transitions. [2021-03-26 03:48:28,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 142 transitions, 4666 flow [2021-03-26 03:48:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:28,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:28,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:28,543 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,543 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,543 INFO L185 Difference]: Start difference. First operand has 216 places, 135 transitions, 4266 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:28,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 142 transitions, 4666 flow [2021-03-26 03:48:28,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 142 transitions, 4558 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:28,586 INFO L241 Difference]: Finished difference. Result has 218 places, 137 transitions, 4354 flow [2021-03-26 03:48:28,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4164, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4354, PETRI_PLACES=218, PETRI_TRANSITIONS=137} [2021-03-26 03:48:28,587 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-03-26 03:48:28,587 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:28,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 137 transitions, 4354 flow [2021-03-26 03:48:28,587 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 137 transitions, 4354 flow [2021-03-26 03:48:28,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 137 transitions, 4354 flow [2021-03-26 03:48:28,627 INFO L129 PetriNetUnfolder]: 0/465 cut-off events. [2021-03-26 03:48:28,628 INFO L130 PetriNetUnfolder]: For 12990/13018 co-relation queries the response was YES. [2021-03-26 03:48:28,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3095 conditions, 465 events. 0/465 cut-off events. For 12990/13018 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4847 event pairs, 0 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 03:48:28,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 338 [2021-03-26 03:48:28,636 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,636 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 03:48:28,637 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 137 transitions, 4354 flow [2021-03-26 03:48:28,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 03:48:28,637 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1062376156, now seen corresponding path program 50 times [2021-03-26 03:48:28,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717567220] [2021-03-26 03:48:28,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:28,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:28,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:28,675 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:28,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:28,693 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:28,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:28,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717567220] [2021-03-26 03:48:28,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:28,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:28,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570678699] [2021-03-26 03:48:28,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:28,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:28,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:28,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:28,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:28,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 137 transitions, 4354 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:28,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:28,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,830 INFO L129 PetriNetUnfolder]: 4/472 cut-off events. [2021-03-26 03:48:28,830 INFO L130 PetriNetUnfolder]: For 13156/13209 co-relation queries the response was YES. [2021-03-26 03:48:28,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3373 conditions, 472 events. 4/472 cut-off events. For 13156/13209 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4835 event pairs, 4 based on Foata normal form. 7/474 useless extension candidates. Maximal degree in co-relation 3304. Up to 115 conditions per place. [2021-03-26 03:48:28,832 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 56 changer transitions 4/140 dead transitions. [2021-03-26 03:48:28,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 140 transitions, 4626 flow [2021-03-26 03:48:28,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:28,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:28,834 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:28,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,835 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,835 INFO L185 Difference]: Start difference. First operand has 216 places, 137 transitions, 4354 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:28,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 140 transitions, 4626 flow [2021-03-26 03:48:28,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 140 transitions, 4459 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:28,881 INFO L241 Difference]: Finished difference. Result has 217 places, 133 transitions, 4170 flow [2021-03-26 03:48:28,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4193, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4170, PETRI_PLACES=217, PETRI_TRANSITIONS=133} [2021-03-26 03:48:28,882 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 185 predicate places. [2021-03-26 03:48:28,882 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:28,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 133 transitions, 4170 flow [2021-03-26 03:48:28,882 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 133 transitions, 4170 flow [2021-03-26 03:48:28,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 215 places, 133 transitions, 4170 flow [2021-03-26 03:48:28,933 INFO L129 PetriNetUnfolder]: 0/455 cut-off events. [2021-03-26 03:48:28,933 INFO L130 PetriNetUnfolder]: For 12414/12445 co-relation queries the response was YES. [2021-03-26 03:48:28,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2985 conditions, 455 events. 0/455 cut-off events. For 12414/12445 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4699 event pairs, 0 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-03-26 03:48:28,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-26 03:48:28,940 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,940 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 03:48:28,940 INFO L480 AbstractCegarLoop]: Abstraction has has 215 places, 133 transitions, 4170 flow [2021-03-26 03:48:28,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 03:48:28,941 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1442096254, now seen corresponding path program 51 times [2021-03-26 03:48:28,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019191516] [2021-03-26 03:48:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:28,975 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:28,990 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:29,006 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:29,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019191516] [2021-03-26 03:48:29,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:29,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439937158] [2021-03-26 03:48:29,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:29,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:29,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:29,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:29,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 133 transitions, 4170 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:29,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:29,150 INFO L129 PetriNetUnfolder]: 4/462 cut-off events. [2021-03-26 03:48:29,151 INFO L130 PetriNetUnfolder]: For 12548/12597 co-relation queries the response was YES. [2021-03-26 03:48:29,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3258 conditions, 462 events. 4/462 cut-off events. For 12548/12597 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4713 event pairs, 4 based on Foata normal form. 6/463 useless extension candidates. Maximal degree in co-relation 3190. Up to 109 conditions per place. [2021-03-26 03:48:29,153 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 82 selfloop transitions, 52 changer transitions 2/146 dead transitions. [2021-03-26 03:48:29,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 146 transitions, 4782 flow [2021-03-26 03:48:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:29,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:29,154 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:29,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,156 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,156 INFO L185 Difference]: Start difference. First operand has 215 places, 133 transitions, 4170 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:29,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 146 transitions, 4782 flow [2021-03-26 03:48:29,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 146 transitions, 4637 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:29,211 INFO L241 Difference]: Finished difference. Result has 219 places, 137 transitions, 4315 flow [2021-03-26 03:48:29,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4041, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4315, PETRI_PLACES=219, PETRI_TRANSITIONS=137} [2021-03-26 03:48:29,212 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 187 predicate places. [2021-03-26 03:48:29,212 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:29,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 137 transitions, 4315 flow [2021-03-26 03:48:29,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 137 transitions, 4315 flow [2021-03-26 03:48:29,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 137 transitions, 4315 flow [2021-03-26 03:48:29,264 INFO L129 PetriNetUnfolder]: 0/447 cut-off events. [2021-03-26 03:48:29,264 INFO L130 PetriNetUnfolder]: For 12279/12306 co-relation queries the response was YES. [2021-03-26 03:48:29,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2947 conditions, 447 events. 0/447 cut-off events. For 12279/12306 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4619 event pairs, 0 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 03:48:29,268 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 03:48:29,274 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:29,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:29,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 03:48:29,275 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 137 transitions, 4315 flow [2021-03-26 03:48:29,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:29,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:29,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 03:48:29,275 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:29,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1979130362, now seen corresponding path program 52 times [2021-03-26 03:48:29,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:29,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594416955] [2021-03-26 03:48:29,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:29,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:29,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:29,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:29,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:29,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:29,313 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:29,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:29,335 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:29,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594416955] [2021-03-26 03:48:29,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:29,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942419946] [2021-03-26 03:48:29,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:29,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:29,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:29,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:29,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 137 transitions, 4315 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:29,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:29,454 INFO L129 PetriNetUnfolder]: 4/454 cut-off events. [2021-03-26 03:48:29,455 INFO L130 PetriNetUnfolder]: For 12407/12456 co-relation queries the response was YES. [2021-03-26 03:48:29,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 454 events. 4/454 cut-off events. For 12407/12456 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4612 event pairs, 4 based on Foata normal form. 5/454 useless extension candidates. Maximal degree in co-relation 3146. Up to 109 conditions per place. [2021-03-26 03:48:29,457 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 82 selfloop transitions, 49 changer transitions 3/144 dead transitions. [2021-03-26 03:48:29,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 144 transitions, 4711 flow [2021-03-26 03:48:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:29,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:29,458 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:29,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,459 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,459 INFO L185 Difference]: Start difference. First operand has 218 places, 137 transitions, 4315 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:29,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 144 transitions, 4711 flow [2021-03-26 03:48:29,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 144 transitions, 4654 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:29,505 INFO L241 Difference]: Finished difference. Result has 222 places, 134 transitions, 4260 flow [2021-03-26 03:48:29,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4264, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4260, PETRI_PLACES=222, PETRI_TRANSITIONS=134} [2021-03-26 03:48:29,505 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 190 predicate places. [2021-03-26 03:48:29,505 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:29,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 134 transitions, 4260 flow [2021-03-26 03:48:29,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 134 transitions, 4260 flow [2021-03-26 03:48:29,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 134 transitions, 4260 flow [2021-03-26 03:48:29,542 INFO L129 PetriNetUnfolder]: 0/438 cut-off events. [2021-03-26 03:48:29,543 INFO L130 PetriNetUnfolder]: For 12065/12100 co-relation queries the response was YES. [2021-03-26 03:48:29,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2938 conditions, 438 events. 0/438 cut-off events. For 12065/12100 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4488 event pairs, 0 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 03:48:29,545 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 03:48:29,550 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:29,550 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:29,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 03:48:29,550 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 134 transitions, 4260 flow [2021-03-26 03:48:29,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,550 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:29,550 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:29,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 03:48:29,551 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:29,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2012160412, now seen corresponding path program 53 times [2021-03-26 03:48:29,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:29,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86686834] [2021-03-26 03:48:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:29,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:29,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:29,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:29,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:29,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:29,598 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:29,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:29,616 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:29,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86686834] [2021-03-26 03:48:29,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:29,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792619858] [2021-03-26 03:48:29,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:29,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:29,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:29,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:29,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 134 transitions, 4260 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:29,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:29,758 INFO L129 PetriNetUnfolder]: 4/445 cut-off events. [2021-03-26 03:48:29,758 INFO L130 PetriNetUnfolder]: For 12161/12213 co-relation queries the response was YES. [2021-03-26 03:48:29,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3202 conditions, 445 events. 4/445 cut-off events. For 12161/12213 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4492 event pairs, 4 based on Foata normal form. 5/445 useless extension candidates. Maximal degree in co-relation 3134. Up to 109 conditions per place. [2021-03-26 03:48:29,761 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 48 changer transitions 3/141 dead transitions. [2021-03-26 03:48:29,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 141 transitions, 4650 flow [2021-03-26 03:48:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:29,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:29,763 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:29,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:29,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,765 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,765 INFO L185 Difference]: Start difference. First operand has 221 places, 134 transitions, 4260 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:29,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 141 transitions, 4650 flow [2021-03-26 03:48:29,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 141 transitions, 4553 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:29,823 INFO L241 Difference]: Finished difference. Result has 224 places, 131 transitions, 4164 flow [2021-03-26 03:48:29,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4169, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4164, PETRI_PLACES=224, PETRI_TRANSITIONS=131} [2021-03-26 03:48:29,824 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 192 predicate places. [2021-03-26 03:48:29,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:29,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 131 transitions, 4164 flow [2021-03-26 03:48:29,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 131 transitions, 4164 flow [2021-03-26 03:48:29,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 131 transitions, 4164 flow [2021-03-26 03:48:29,861 INFO L129 PetriNetUnfolder]: 0/429 cut-off events. [2021-03-26 03:48:29,861 INFO L130 PetriNetUnfolder]: For 11798/11832 co-relation queries the response was YES. [2021-03-26 03:48:29,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2883 conditions, 429 events. 0/429 cut-off events. For 11798/11832 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4380 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 03:48:29,874 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 03:48:29,879 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:29,879 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:29,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 03:48:29,879 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 131 transitions, 4164 flow [2021-03-26 03:48:29,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:29,880 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:29,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 03:48:29,880 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:29,880 INFO L82 PathProgramCache]: Analyzing trace with hash -86033836, now seen corresponding path program 54 times [2021-03-26 03:48:29,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:29,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834081873] [2021-03-26 03:48:29,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:29,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:29,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:29,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:29,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:29,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:29,916 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:29,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:29,934 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:29,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834081873] [2021-03-26 03:48:29,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:29,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120241366] [2021-03-26 03:48:29,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:29,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:29,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:29,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:29,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 131 transitions, 4164 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:29,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:30,056 INFO L129 PetriNetUnfolder]: 4/436 cut-off events. [2021-03-26 03:48:30,057 INFO L130 PetriNetUnfolder]: For 11910/11964 co-relation queries the response was YES. [2021-03-26 03:48:30,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 436 events. 4/436 cut-off events. For 11910/11964 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4366 event pairs, 4 based on Foata normal form. 6/437 useless extension candidates. Maximal degree in co-relation 3075. Up to 109 conditions per place. [2021-03-26 03:48:30,059 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 50 changer transitions 2/138 dead transitions. [2021-03-26 03:48:30,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 138 transitions, 4548 flow [2021-03-26 03:48:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:30,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:30,060 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:30,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,061 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,061 INFO L185 Difference]: Start difference. First operand has 222 places, 131 transitions, 4164 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:30,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 138 transitions, 4548 flow [2021-03-26 03:48:30,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 138 transitions, 4430 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:30,104 INFO L241 Difference]: Finished difference. Result has 225 places, 133 transitions, 4204 flow [2021-03-26 03:48:30,104 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4052, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4204, PETRI_PLACES=225, PETRI_TRANSITIONS=133} [2021-03-26 03:48:30,104 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 193 predicate places. [2021-03-26 03:48:30,105 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:30,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 133 transitions, 4204 flow [2021-03-26 03:48:30,105 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 133 transitions, 4204 flow [2021-03-26 03:48:30,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 133 transitions, 4204 flow [2021-03-26 03:48:30,142 INFO L129 PetriNetUnfolder]: 0/423 cut-off events. [2021-03-26 03:48:30,143 INFO L130 PetriNetUnfolder]: For 11770/11804 co-relation queries the response was YES. [2021-03-26 03:48:30,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2830 conditions, 423 events. 0/423 cut-off events. For 11770/11804 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4301 event pairs, 0 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 03:48:30,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 318 [2021-03-26 03:48:30,150 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:30,150 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:30,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 03:48:30,150 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 133 transitions, 4204 flow [2021-03-26 03:48:30,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:30,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:30,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 03:48:30,151 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:30,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:30,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1220887942, now seen corresponding path program 55 times [2021-03-26 03:48:30,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:30,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825678111] [2021-03-26 03:48:30,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:30,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:30,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:30,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:30,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:30,184 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:30,200 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:30,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:30,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825678111] [2021-03-26 03:48:30,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:30,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:30,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644714824] [2021-03-26 03:48:30,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:30,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:30,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:30,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:30,218 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:30,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 133 transitions, 4204 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:30,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:30,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:30,346 INFO L129 PetriNetUnfolder]: 4/430 cut-off events. [2021-03-26 03:48:30,347 INFO L130 PetriNetUnfolder]: For 11883/11935 co-relation queries the response was YES. [2021-03-26 03:48:30,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 430 events. 4/430 cut-off events. For 11883/11935 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4306 event pairs, 4 based on Foata normal form. 5/430 useless extension candidates. Maximal degree in co-relation 3018. Up to 109 conditions per place. [2021-03-26 03:48:30,349 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 47 changer transitions 4/136 dead transitions. [2021-03-26 03:48:30,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 136 transitions, 4468 flow [2021-03-26 03:48:30,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:30,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:30,350 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:30,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,351 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,351 INFO L185 Difference]: Start difference. First operand has 223 places, 133 transitions, 4204 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:30,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 136 transitions, 4468 flow [2021-03-26 03:48:30,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 136 transitions, 4342 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:30,405 INFO L241 Difference]: Finished difference. Result has 226 places, 129 transitions, 4044 flow [2021-03-26 03:48:30,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4084, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4044, PETRI_PLACES=226, PETRI_TRANSITIONS=129} [2021-03-26 03:48:30,405 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 194 predicate places. [2021-03-26 03:48:30,405 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:30,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 226 places, 129 transitions, 4044 flow [2021-03-26 03:48:30,406 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 226 places, 129 transitions, 4044 flow [2021-03-26 03:48:30,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 224 places, 129 transitions, 4044 flow [2021-03-26 03:48:30,453 INFO L129 PetriNetUnfolder]: 0/412 cut-off events. [2021-03-26 03:48:30,454 INFO L130 PetriNetUnfolder]: For 11231/11256 co-relation queries the response was YES. [2021-03-26 03:48:30,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2725 conditions, 412 events. 0/412 cut-off events. For 11231/11256 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4153 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 03:48:30,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 03:48:30,463 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:30,463 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:30,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 03:48:30,464 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 129 transitions, 4044 flow [2021-03-26 03:48:30,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:30,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:30,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 03:48:30,464 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:30,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash 585935550, now seen corresponding path program 56 times [2021-03-26 03:48:30,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:30,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830155461] [2021-03-26 03:48:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:30,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:30,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:30,500 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:30,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:30,514 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:30,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:30,535 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:30,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:30,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830155461] [2021-03-26 03:48:30,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:30,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:30,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181425810] [2021-03-26 03:48:30,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:30,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:30,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:30,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:30,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 129 transitions, 4044 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:30,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:30,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:30,676 INFO L129 PetriNetUnfolder]: 4/419 cut-off events. [2021-03-26 03:48:30,677 INFO L130 PetriNetUnfolder]: For 11282/11308 co-relation queries the response was YES. [2021-03-26 03:48:30,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2976 conditions, 419 events. 4/419 cut-off events. For 11282/11308 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4189 event pairs, 0 based on Foata normal form. 6/423 useless extension candidates. Maximal degree in co-relation 2907. Up to 76 conditions per place. [2021-03-26 03:48:30,679 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 57 changer transitions 1/140 dead transitions. [2021-03-26 03:48:30,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 140 transitions, 4513 flow [2021-03-26 03:48:30,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:30,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:30,680 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:30,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,681 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,681 INFO L185 Difference]: Start difference. First operand has 224 places, 129 transitions, 4044 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:30,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 140 transitions, 4513 flow [2021-03-26 03:48:30,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 140 transitions, 4359 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:30,733 INFO L241 Difference]: Finished difference. Result has 227 places, 129 transitions, 4021 flow [2021-03-26 03:48:30,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3902, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4021, PETRI_PLACES=227, PETRI_TRANSITIONS=129} [2021-03-26 03:48:30,734 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 195 predicate places. [2021-03-26 03:48:30,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:30,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 129 transitions, 4021 flow [2021-03-26 03:48:30,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 129 transitions, 4021 flow [2021-03-26 03:48:30,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 129 transitions, 4021 flow [2021-03-26 03:48:30,767 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 03:48:30,768 INFO L130 PetriNetUnfolder]: For 11117/11148 co-relation queries the response was YES. [2021-03-26 03:48:30,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2682 conditions, 408 events. 0/408 cut-off events. For 11117/11148 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4122 event pairs, 0 based on Foata normal form. 0/405 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:30,770 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 03:48:30,774 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:30,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:30,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 03:48:30,775 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 129 transitions, 4021 flow [2021-03-26 03:48:30,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:30,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:30,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 03:48:30,775 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:30,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:30,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1327633620, now seen corresponding path program 57 times [2021-03-26 03:48:30,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:30,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041637893] [2021-03-26 03:48:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:30,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:30,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:30,800 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:30,818 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:30,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:30,836 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:30,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041637893] [2021-03-26 03:48:30,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:30,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:30,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342307477] [2021-03-26 03:48:30,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:30,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:30,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:30,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:30,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:30,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 129 transitions, 4021 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:30,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:30,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:30,946 INFO L129 PetriNetUnfolder]: 4/415 cut-off events. [2021-03-26 03:48:30,946 INFO L130 PetriNetUnfolder]: For 11104/11107 co-relation queries the response was YES. [2021-03-26 03:48:30,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2935 conditions, 415 events. 4/415 cut-off events. For 11104/11107 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4117 event pairs, 0 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 2865. Up to 80 conditions per place. [2021-03-26 03:48:30,948 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 54 changer transitions 2/139 dead transitions. [2021-03-26 03:48:30,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 139 transitions, 4446 flow [2021-03-26 03:48:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:30,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:30,949 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:30,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:30,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,950 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,950 INFO L185 Difference]: Start difference. First operand has 225 places, 129 transitions, 4021 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:30,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 139 transitions, 4446 flow [2021-03-26 03:48:30,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 139 transitions, 4370 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:30,996 INFO L241 Difference]: Finished difference. Result has 230 places, 128 transitions, 4027 flow [2021-03-26 03:48:30,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3951, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4027, PETRI_PLACES=230, PETRI_TRANSITIONS=128} [2021-03-26 03:48:30,997 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 198 predicate places. [2021-03-26 03:48:30,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:30,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 128 transitions, 4027 flow [2021-03-26 03:48:30,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 128 transitions, 4027 flow [2021-03-26 03:48:30,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 128 transitions, 4027 flow [2021-03-26 03:48:31,030 INFO L129 PetriNetUnfolder]: 0/400 cut-off events. [2021-03-26 03:48:31,030 INFO L130 PetriNetUnfolder]: For 10779/10810 co-relation queries the response was YES. [2021-03-26 03:48:31,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 400 events. 0/400 cut-off events. For 10779/10810 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3984 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 03:48:31,033 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 03:48:31,037 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:31,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:31,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 03:48:31,037 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 128 transitions, 4027 flow [2021-03-26 03:48:31,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:31,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:31,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 03:48:31,038 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:31,038 INFO L82 PathProgramCache]: Analyzing trace with hash -5454224, now seen corresponding path program 58 times [2021-03-26 03:48:31,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:31,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144220869] [2021-03-26 03:48:31,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:31,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:31,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:31,052 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:31,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:31,060 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:31,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:31,073 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:31,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:31,091 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:31,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:31,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144220869] [2021-03-26 03:48:31,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:31,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:31,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968970615] [2021-03-26 03:48:31,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:31,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:31,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:31,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:31,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:31,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 128 transitions, 4027 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:31,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:31,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:31,213 INFO L129 PetriNetUnfolder]: 3/423 cut-off events. [2021-03-26 03:48:31,213 INFO L130 PetriNetUnfolder]: For 11349/11375 co-relation queries the response was YES. [2021-03-26 03:48:31,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2998 conditions, 423 events. 3/423 cut-off events. For 11349/11375 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4207 event pairs, 1 based on Foata normal form. 3/424 useless extension candidates. Maximal degree in co-relation 2928. Up to 89 conditions per place. [2021-03-26 03:48:31,215 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 85 selfloop transitions, 49 changer transitions 3/147 dead transitions. [2021-03-26 03:48:31,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 147 transitions, 4760 flow [2021-03-26 03:48:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:31,216 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:31,216 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:31,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,217 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,217 INFO L185 Difference]: Start difference. First operand has 228 places, 128 transitions, 4027 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:31,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 147 transitions, 4760 flow [2021-03-26 03:48:31,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 147 transitions, 4629 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:31,271 INFO L241 Difference]: Finished difference. Result has 234 places, 136 transitions, 4320 flow [2021-03-26 03:48:31,271 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3919, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4320, PETRI_PLACES=234, PETRI_TRANSITIONS=136} [2021-03-26 03:48:31,272 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 202 predicate places. [2021-03-26 03:48:31,272 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:31,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 136 transitions, 4320 flow [2021-03-26 03:48:31,272 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 136 transitions, 4320 flow [2021-03-26 03:48:31,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 136 transitions, 4320 flow [2021-03-26 03:48:31,318 INFO L129 PetriNetUnfolder]: 0/409 cut-off events. [2021-03-26 03:48:31,318 INFO L130 PetriNetUnfolder]: For 11655/11702 co-relation queries the response was YES. [2021-03-26 03:48:31,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2741 conditions, 409 events. 0/409 cut-off events. For 11655/11702 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4106 event pairs, 0 based on Foata normal form. 2/408 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:31,322 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 03:48:31,328 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:31,328 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:31,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 03:48:31,329 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 136 transitions, 4320 flow [2021-03-26 03:48:31,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:31,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:31,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 03:48:31,329 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:31,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:31,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1082374298, now seen corresponding path program 59 times [2021-03-26 03:48:31,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:31,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334547563] [2021-03-26 03:48:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:31,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:31,349 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:31,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:31,361 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:31,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:31,373 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:31,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:31,389 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:31,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334547563] [2021-03-26 03:48:31,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:31,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:31,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387349147] [2021-03-26 03:48:31,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:31,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:31,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:31,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:31,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 136 transitions, 4320 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:31,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:31,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:31,515 INFO L129 PetriNetUnfolder]: 3/414 cut-off events. [2021-03-26 03:48:31,515 INFO L130 PetriNetUnfolder]: For 11575/11575 co-relation queries the response was YES. [2021-03-26 03:48:31,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2982 conditions, 414 events. 3/414 cut-off events. For 11575/11575 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4080 event pairs, 0 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 2909. Up to 76 conditions per place. [2021-03-26 03:48:31,519 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 59 changer transitions 3/146 dead transitions. [2021-03-26 03:48:31,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 146 transitions, 4763 flow [2021-03-26 03:48:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:31,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:31,520 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:31,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,521 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,521 INFO L185 Difference]: Start difference. First operand has 233 places, 136 transitions, 4320 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:31,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 146 transitions, 4763 flow [2021-03-26 03:48:31,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 146 transitions, 4709 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:31,577 INFO L241 Difference]: Finished difference. Result has 237 places, 133 transitions, 4284 flow [2021-03-26 03:48:31,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4277, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4284, PETRI_PLACES=237, PETRI_TRANSITIONS=133} [2021-03-26 03:48:31,577 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 205 predicate places. [2021-03-26 03:48:31,577 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:31,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 133 transitions, 4284 flow [2021-03-26 03:48:31,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 133 transitions, 4284 flow [2021-03-26 03:48:31,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 133 transitions, 4284 flow [2021-03-26 03:48:31,623 INFO L129 PetriNetUnfolder]: 0/400 cut-off events. [2021-03-26 03:48:31,624 INFO L130 PetriNetUnfolder]: For 11363/11381 co-relation queries the response was YES. [2021-03-26 03:48:31,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 400 events. 0/400 cut-off events. For 11363/11381 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3973 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 03:48:31,628 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 03:48:31,634 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:31,635 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:31,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 03:48:31,636 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 133 transitions, 4284 flow [2021-03-26 03:48:31,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:31,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:31,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 03:48:31,636 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:31,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:31,637 INFO L82 PathProgramCache]: Analyzing trace with hash 794978954, now seen corresponding path program 60 times [2021-03-26 03:48:31,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:31,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935609910] [2021-03-26 03:48:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:31,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:31,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:31,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:31,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:31,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:31,670 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:31,683 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:31,700 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:31,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935609910] [2021-03-26 03:48:31,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:31,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:31,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146909182] [2021-03-26 03:48:31,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:31,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:31,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:31,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:31,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:31,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 133 transitions, 4284 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:31,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:31,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:31,853 INFO L129 PetriNetUnfolder]: 1/471 cut-off events. [2021-03-26 03:48:31,854 INFO L130 PetriNetUnfolder]: For 13392/13392 co-relation queries the response was YES. [2021-03-26 03:48:31,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3371 conditions, 471 events. 1/471 cut-off events. For 13392/13392 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4842 event pairs, 1 based on Foata normal form. 1/471 useless extension candidates. Maximal degree in co-relation 3299. Up to 95 conditions per place. [2021-03-26 03:48:31,857 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 91 selfloop transitions, 54 changer transitions 2/157 dead transitions. [2021-03-26 03:48:31,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 157 transitions, 5293 flow [2021-03-26 03:48:31,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:31,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:31,858 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:31,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:31,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,859 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,859 INFO L185 Difference]: Start difference. First operand has 235 places, 133 transitions, 4284 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:31,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 157 transitions, 5293 flow [2021-03-26 03:48:31,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 157 transitions, 5088 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:31,921 INFO L241 Difference]: Finished difference. Result has 240 places, 142 transitions, 4615 flow [2021-03-26 03:48:31,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4116, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4615, PETRI_PLACES=240, PETRI_TRANSITIONS=142} [2021-03-26 03:48:31,922 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 03:48:31,922 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:31,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 142 transitions, 4615 flow [2021-03-26 03:48:31,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 142 transitions, 4615 flow [2021-03-26 03:48:31,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 142 transitions, 4615 flow [2021-03-26 03:48:31,981 INFO L129 PetriNetUnfolder]: 0/462 cut-off events. [2021-03-26 03:48:31,981 INFO L130 PetriNetUnfolder]: For 13313/13323 co-relation queries the response was YES. [2021-03-26 03:48:31,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3121 conditions, 462 events. 0/462 cut-off events. For 13313/13323 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4807 event pairs, 0 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-03-26 03:48:31,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 03:48:31,992 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:31,992 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:31,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 03:48:31,993 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 142 transitions, 4615 flow [2021-03-26 03:48:31,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:31,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:31,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 03:48:31,993 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:31,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:31,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2001787642, now seen corresponding path program 61 times [2021-03-26 03:48:31,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:31,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538637287] [2021-03-26 03:48:31,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:32,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:32,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:32,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:32,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:32,035 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:32,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:32,048 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:32,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:32,066 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:32,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538637287] [2021-03-26 03:48:32,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:32,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:32,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103154395] [2021-03-26 03:48:32,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:32,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:32,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:32,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:32,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:32,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 142 transitions, 4615 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:32,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:32,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:32,216 INFO L129 PetriNetUnfolder]: 1/463 cut-off events. [2021-03-26 03:48:32,216 INFO L130 PetriNetUnfolder]: For 13442/13442 co-relation queries the response was YES. [2021-03-26 03:48:32,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3344 conditions, 463 events. 1/463 cut-off events. For 13442/13442 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4743 event pairs, 0 based on Foata normal form. 1/464 useless extension candidates. Maximal degree in co-relation 3269. Up to 108 conditions per place. [2021-03-26 03:48:32,218 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 97 selfloop transitions, 53 changer transitions 2/162 dead transitions. [2021-03-26 03:48:32,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 162 transitions, 5424 flow [2021-03-26 03:48:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:32,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:32,219 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:32,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:32,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:32,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:32,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,220 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,220 INFO L185 Difference]: Start difference. First operand has 239 places, 142 transitions, 4615 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:32,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 162 transitions, 5424 flow [2021-03-26 03:48:32,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 162 transitions, 5375 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:32,270 INFO L241 Difference]: Finished difference. Result has 245 places, 146 transitions, 4842 flow [2021-03-26 03:48:32,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4575, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4842, PETRI_PLACES=245, PETRI_TRANSITIONS=146} [2021-03-26 03:48:32,271 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 213 predicate places. [2021-03-26 03:48:32,271 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:32,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 146 transitions, 4842 flow [2021-03-26 03:48:32,271 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 146 transitions, 4842 flow [2021-03-26 03:48:32,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 146 transitions, 4842 flow [2021-03-26 03:48:32,311 INFO L129 PetriNetUnfolder]: 0/454 cut-off events. [2021-03-26 03:48:32,311 INFO L130 PetriNetUnfolder]: For 14310/14346 co-relation queries the response was YES. [2021-03-26 03:48:32,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3156 conditions, 454 events. 0/454 cut-off events. For 14310/14346 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4667 event pairs, 0 based on Foata normal form. 2/453 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 03:48:32,314 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 03:48:32,319 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:32,319 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:32,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 03:48:32,319 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 146 transitions, 4842 flow [2021-03-26 03:48:32,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:32,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:32,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 03:48:32,320 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:32,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1264136224, now seen corresponding path program 62 times [2021-03-26 03:48:32,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:32,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819491012] [2021-03-26 03:48:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:32,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:32,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:32,335 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:32,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:32,348 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:32,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:32,367 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:32,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:32,390 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:32,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:32,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819491012] [2021-03-26 03:48:32,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:32,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:32,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156172160] [2021-03-26 03:48:32,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:32,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:32,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:32,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:32,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:32,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 146 transitions, 4842 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:32,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:32,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:32,533 INFO L129 PetriNetUnfolder]: 1/455 cut-off events. [2021-03-26 03:48:32,533 INFO L130 PetriNetUnfolder]: For 14173/14185 co-relation queries the response was YES. [2021-03-26 03:48:32,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3377 conditions, 455 events. 1/455 cut-off events. For 14173/14185 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4640 event pairs, 0 based on Foata normal form. 2/457 useless extension candidates. Maximal degree in co-relation 3301. Up to 79 conditions per place. [2021-03-26 03:48:32,536 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 57 changer transitions 3/150 dead transitions. [2021-03-26 03:48:32,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 150 transitions, 5148 flow [2021-03-26 03:48:32,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:32,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:32,537 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:32,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:32,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:32,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:32,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,538 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,538 INFO L185 Difference]: Start difference. First operand has 244 places, 146 transitions, 4842 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:32,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 150 transitions, 5148 flow [2021-03-26 03:48:32,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 150 transitions, 5067 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:32,605 INFO L241 Difference]: Finished difference. Result has 247 places, 143 transitions, 4769 flow [2021-03-26 03:48:32,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4767, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4769, PETRI_PLACES=247, PETRI_TRANSITIONS=143} [2021-03-26 03:48:32,605 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 215 predicate places. [2021-03-26 03:48:32,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:32,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 143 transitions, 4769 flow [2021-03-26 03:48:32,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 143 transitions, 4769 flow [2021-03-26 03:48:32,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 143 transitions, 4769 flow [2021-03-26 03:48:32,659 INFO L129 PetriNetUnfolder]: 0/445 cut-off events. [2021-03-26 03:48:32,659 INFO L130 PetriNetUnfolder]: For 13922/13958 co-relation queries the response was YES. [2021-03-26 03:48:32,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 445 events. 0/445 cut-off events. For 13922/13958 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4558 event pairs, 0 based on Foata normal form. 2/444 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 03:48:32,663 INFO L142 LiptonReduction]: Number of co-enabled transitions 290 [2021-03-26 03:48:32,670 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:32,670 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:32,670 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 03:48:32,671 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 143 transitions, 4769 flow [2021-03-26 03:48:32,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,671 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:32,671 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:32,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 03:48:32,671 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:32,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:32,671 INFO L82 PathProgramCache]: Analyzing trace with hash 490388700, now seen corresponding path program 63 times [2021-03-26 03:48:32,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:32,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129015217] [2021-03-26 03:48:32,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:32,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:32,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:32,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:32,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:32,726 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:32,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:32,747 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:32,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:32,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129015217] [2021-03-26 03:48:32,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:32,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:32,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648011014] [2021-03-26 03:48:32,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:32,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:32,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:32,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:32,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:32,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 143 transitions, 4769 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:32,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:32,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:32,877 INFO L129 PetriNetUnfolder]: 1/446 cut-off events. [2021-03-26 03:48:32,878 INFO L130 PetriNetUnfolder]: For 14153/14219 co-relation queries the response was YES. [2021-03-26 03:48:32,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3355 conditions, 446 events. 1/446 cut-off events. For 14153/14219 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4518 event pairs, 0 based on Foata normal form. 16/462 useless extension candidates. Maximal degree in co-relation 3281. Up to 79 conditions per place. [2021-03-26 03:48:32,879 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 60 changer transitions 2/147 dead transitions. [2021-03-26 03:48:32,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 147 transitions, 5069 flow [2021-03-26 03:48:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:32,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:32,880 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:32,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:32,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:32,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:32,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,882 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,882 INFO L185 Difference]: Start difference. First operand has 242 places, 143 transitions, 4769 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:32,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 147 transitions, 5069 flow [2021-03-26 03:48:32,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 147 transitions, 4897 flow, removed 25 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:32,935 INFO L241 Difference]: Finished difference. Result has 243 places, 141 transitions, 4640 flow [2021-03-26 03:48:32,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4603, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4640, PETRI_PLACES=243, PETRI_TRANSITIONS=141} [2021-03-26 03:48:32,935 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 211 predicate places. [2021-03-26 03:48:32,935 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:32,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 141 transitions, 4640 flow [2021-03-26 03:48:32,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 141 transitions, 4640 flow [2021-03-26 03:48:32,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 141 transitions, 4640 flow [2021-03-26 03:48:32,973 INFO L129 PetriNetUnfolder]: 0/437 cut-off events. [2021-03-26 03:48:32,974 INFO L130 PetriNetUnfolder]: For 12819/12829 co-relation queries the response was YES. [2021-03-26 03:48:32,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3073 conditions, 437 events. 0/437 cut-off events. For 12819/12829 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4466 event pairs, 0 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 03:48:32,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 284 [2021-03-26 03:48:32,983 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:32,983 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:32,983 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 03:48:32,984 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 141 transitions, 4640 flow [2021-03-26 03:48:32,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:32,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:32,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 03:48:32,984 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:32,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:32,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1869380256, now seen corresponding path program 64 times [2021-03-26 03:48:32,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:32,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858895344] [2021-03-26 03:48:32,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:32,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:32,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:33,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:33,013 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:33,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:33,032 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:33,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:33,049 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:33,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:33,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858895344] [2021-03-26 03:48:33,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:33,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:33,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747388836] [2021-03-26 03:48:33,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:33,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:33,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:33,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:33,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 141 transitions, 4640 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:33,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:33,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:33,180 INFO L129 PetriNetUnfolder]: 1/438 cut-off events. [2021-03-26 03:48:33,180 INFO L130 PetriNetUnfolder]: For 13266/13332 co-relation queries the response was YES. [2021-03-26 03:48:33,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3288 conditions, 438 events. 1/438 cut-off events. For 13266/13332 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4418 event pairs, 0 based on Foata normal form. 16/454 useless extension candidates. Maximal degree in co-relation 3216. Up to 79 conditions per place. [2021-03-26 03:48:33,182 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 55 changer transitions 4/144 dead transitions. [2021-03-26 03:48:33,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 144 transitions, 4930 flow [2021-03-26 03:48:33,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:33,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:33,183 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:33,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:33,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:33,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:33,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,185 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,185 INFO L185 Difference]: Start difference. First operand has 241 places, 141 transitions, 4640 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:33,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 144 transitions, 4930 flow [2021-03-26 03:48:33,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 144 transitions, 4839 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:33,248 INFO L241 Difference]: Finished difference. Result has 245 places, 137 transitions, 4531 flow [2021-03-26 03:48:33,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4553, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4531, PETRI_PLACES=245, PETRI_TRANSITIONS=137} [2021-03-26 03:48:33,248 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 213 predicate places. [2021-03-26 03:48:33,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:33,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 137 transitions, 4531 flow [2021-03-26 03:48:33,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 137 transitions, 4531 flow [2021-03-26 03:48:33,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 137 transitions, 4531 flow [2021-03-26 03:48:33,299 INFO L129 PetriNetUnfolder]: 0/427 cut-off events. [2021-03-26 03:48:33,299 INFO L130 PetriNetUnfolder]: For 12484/12494 co-relation queries the response was YES. [2021-03-26 03:48:33,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3026 conditions, 427 events. 0/427 cut-off events. For 12484/12494 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4320 event pairs, 0 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 03:48:33,303 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 03:48:33,310 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:33,310 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:33,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 03:48:33,310 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 137 transitions, 4531 flow [2021-03-26 03:48:33,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:33,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:33,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 03:48:33,311 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:33,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:33,311 INFO L82 PathProgramCache]: Analyzing trace with hash -594378344, now seen corresponding path program 65 times [2021-03-26 03:48:33,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:33,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690965527] [2021-03-26 03:48:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:33,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:33,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:33,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:33,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:33,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:33,357 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:33,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:33,377 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:33,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:33,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690965527] [2021-03-26 03:48:33,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:33,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:33,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838276280] [2021-03-26 03:48:33,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:33,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:33,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:33,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:33,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:33,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 137 transitions, 4531 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:33,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:33,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:33,493 INFO L129 PetriNetUnfolder]: 1/428 cut-off events. [2021-03-26 03:48:33,494 INFO L130 PetriNetUnfolder]: For 12620/12632 co-relation queries the response was YES. [2021-03-26 03:48:33,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3236 conditions, 428 events. 1/428 cut-off events. For 12620/12632 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4284 event pairs, 0 based on Foata normal form. 2/430 useless extension candidates. Maximal degree in co-relation 3164. Up to 82 conditions per place. [2021-03-26 03:48:33,495 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 54 changer transitions 2/141 dead transitions. [2021-03-26 03:48:33,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 141 transitions, 4819 flow [2021-03-26 03:48:33,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:33,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:33,496 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:33,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:33,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:33,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:33,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,497 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,497 INFO L185 Difference]: Start difference. First operand has 240 places, 137 transitions, 4531 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:33,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 141 transitions, 4819 flow [2021-03-26 03:48:33,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 141 transitions, 4684 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:33,547 INFO L241 Difference]: Finished difference. Result has 241 places, 135 transitions, 4435 flow [2021-03-26 03:48:33,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4402, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4435, PETRI_PLACES=241, PETRI_TRANSITIONS=135} [2021-03-26 03:48:33,547 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 209 predicate places. [2021-03-26 03:48:33,547 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:33,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 135 transitions, 4435 flow [2021-03-26 03:48:33,547 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 135 transitions, 4435 flow [2021-03-26 03:48:33,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 135 transitions, 4435 flow [2021-03-26 03:48:33,583 INFO L129 PetriNetUnfolder]: 0/420 cut-off events. [2021-03-26 03:48:33,584 INFO L130 PetriNetUnfolder]: For 12151/12173 co-relation queries the response was YES. [2021-03-26 03:48:33,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2973 conditions, 420 events. 0/420 cut-off events. For 12151/12173 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4239 event pairs, 0 based on Foata normal form. 1/418 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 03:48:33,586 INFO L142 LiptonReduction]: Number of co-enabled transitions 276 [2021-03-26 03:48:33,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:33,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:33,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 03:48:33,591 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 135 transitions, 4435 flow [2021-03-26 03:48:33,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:33,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:33,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 03:48:33,592 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:33,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1412016604, now seen corresponding path program 66 times [2021-03-26 03:48:33,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:33,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862010799] [2021-03-26 03:48:33,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:33,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:33,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:33,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:33,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:33,624 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:33,641 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:33,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:33,656 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:33,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:33,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862010799] [2021-03-26 03:48:33,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:33,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:33,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894343430] [2021-03-26 03:48:33,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:33,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:33,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:33,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:33,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:33,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 135 transitions, 4435 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:33,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:33,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:33,757 INFO L129 PetriNetUnfolder]: 1/421 cut-off events. [2021-03-26 03:48:33,757 INFO L130 PetriNetUnfolder]: For 12156/12168 co-relation queries the response was YES. [2021-03-26 03:48:33,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3180 conditions, 421 events. 1/421 cut-off events. For 12156/12168 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4221 event pairs, 0 based on Foata normal form. 2/423 useless extension candidates. Maximal degree in co-relation 3110. Up to 105 conditions per place. [2021-03-26 03:48:33,759 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 84 selfloop transitions, 52 changer transitions 2/148 dead transitions. [2021-03-26 03:48:33,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 148 transitions, 5046 flow [2021-03-26 03:48:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:33,759 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:33,759 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:33,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:33,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:33,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:33,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,761 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,761 INFO L185 Difference]: Start difference. First operand has 239 places, 135 transitions, 4435 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:33,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 148 transitions, 5046 flow [2021-03-26 03:48:33,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 148 transitions, 4941 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:33,814 INFO L241 Difference]: Finished difference. Result has 244 places, 140 transitions, 4671 flow [2021-03-26 03:48:33,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4340, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4671, PETRI_PLACES=244, PETRI_TRANSITIONS=140} [2021-03-26 03:48:33,814 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 212 predicate places. [2021-03-26 03:48:33,814 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:33,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 140 transitions, 4671 flow [2021-03-26 03:48:33,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 140 transitions, 4671 flow [2021-03-26 03:48:33,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 140 transitions, 4671 flow [2021-03-26 03:48:33,851 INFO L129 PetriNetUnfolder]: 0/412 cut-off events. [2021-03-26 03:48:33,851 INFO L130 PetriNetUnfolder]: For 12396/12418 co-relation queries the response was YES. [2021-03-26 03:48:33,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2959 conditions, 412 events. 0/412 cut-off events. For 12396/12418 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4136 event pairs, 0 based on Foata normal form. 1/410 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:33,854 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 03:48:33,859 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:33,859 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:33,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 03:48:33,859 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 140 transitions, 4671 flow [2021-03-26 03:48:33,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:33,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:33,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 03:48:33,859 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:33,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:33,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1559539296, now seen corresponding path program 67 times [2021-03-26 03:48:33,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:33,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444780511] [2021-03-26 03:48:33,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:33,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:33,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:33,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:33,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:33,913 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:33,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:33,931 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:33,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444780511] [2021-03-26 03:48:33,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:33,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:33,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304679196] [2021-03-26 03:48:33,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:33,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:33,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:33,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:33,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:33,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 140 transitions, 4671 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:33,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:33,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:34,036 INFO L129 PetriNetUnfolder]: 1/413 cut-off events. [2021-03-26 03:48:34,036 INFO L130 PetriNetUnfolder]: For 12607/12643 co-relation queries the response was YES. [2021-03-26 03:48:34,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3163 conditions, 413 events. 1/413 cut-off events. For 12607/12643 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4082 event pairs, 0 based on Foata normal form. 7/420 useless extension candidates. Maximal degree in co-relation 3091. Up to 105 conditions per place. [2021-03-26 03:48:34,038 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 48 changer transitions 2/146 dead transitions. [2021-03-26 03:48:34,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 146 transitions, 5021 flow [2021-03-26 03:48:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:34,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:34,039 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:34,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,040 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,040 INFO L185 Difference]: Start difference. First operand has 243 places, 140 transitions, 4671 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:34,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 146 transitions, 5021 flow [2021-03-26 03:48:34,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 146 transitions, 4944 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:34,084 INFO L241 Difference]: Finished difference. Result has 248 places, 140 transitions, 4688 flow [2021-03-26 03:48:34,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4600, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4688, PETRI_PLACES=248, PETRI_TRANSITIONS=140} [2021-03-26 03:48:34,085 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 03:48:34,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:34,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 140 transitions, 4688 flow [2021-03-26 03:48:34,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 140 transitions, 4688 flow [2021-03-26 03:48:34,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 140 transitions, 4688 flow [2021-03-26 03:48:34,123 INFO L129 PetriNetUnfolder]: 0/405 cut-off events. [2021-03-26 03:48:34,123 INFO L130 PetriNetUnfolder]: For 12438/12460 co-relation queries the response was YES. [2021-03-26 03:48:34,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2936 conditions, 405 events. 0/405 cut-off events. For 12438/12460 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4027 event pairs, 0 based on Foata normal form. 1/403 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 03:48:34,126 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 03:48:34,131 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:34,131 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:34,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 03:48:34,132 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 140 transitions, 4688 flow [2021-03-26 03:48:34,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:34,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:34,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 03:48:34,132 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:34,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:34,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1516186822, now seen corresponding path program 68 times [2021-03-26 03:48:34,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:34,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508814895] [2021-03-26 03:48:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:34,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:34,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:34,154 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:34,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:34,173 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:34,189 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:34,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508814895] [2021-03-26 03:48:34,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:34,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:34,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415541647] [2021-03-26 03:48:34,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:34,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:34,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:34,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:34,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:34,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 140 transitions, 4688 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:34,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:34,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:34,310 INFO L129 PetriNetUnfolder]: 1/406 cut-off events. [2021-03-26 03:48:34,310 INFO L130 PetriNetUnfolder]: For 12628/12664 co-relation queries the response was YES. [2021-03-26 03:48:34,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 406 events. 1/406 cut-off events. For 12628/12664 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3994 event pairs, 0 based on Foata normal form. 11/417 useless extension candidates. Maximal degree in co-relation 3064. Up to 82 conditions per place. [2021-03-26 03:48:34,312 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 57 changer transitions 3/144 dead transitions. [2021-03-26 03:48:34,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 144 transitions, 4982 flow [2021-03-26 03:48:34,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:34,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:34,313 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:34,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:34,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:34,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:34,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,314 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,315 INFO L185 Difference]: Start difference. First operand has 247 places, 140 transitions, 4688 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:34,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 144 transitions, 4982 flow [2021-03-26 03:48:34,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 144 transitions, 4907 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:34,376 INFO L241 Difference]: Finished difference. Result has 251 places, 137 transitions, 4608 flow [2021-03-26 03:48:34,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4619, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4608, PETRI_PLACES=251, PETRI_TRANSITIONS=137} [2021-03-26 03:48:34,377 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 219 predicate places. [2021-03-26 03:48:34,377 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:34,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 137 transitions, 4608 flow [2021-03-26 03:48:34,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 137 transitions, 4608 flow [2021-03-26 03:48:34,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 137 transitions, 4608 flow [2021-03-26 03:48:34,414 INFO L129 PetriNetUnfolder]: 0/397 cut-off events. [2021-03-26 03:48:34,415 INFO L130 PetriNetUnfolder]: For 12185/12205 co-relation queries the response was YES. [2021-03-26 03:48:34,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2891 conditions, 397 events. 0/397 cut-off events. For 12185/12205 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3914 event pairs, 0 based on Foata normal form. 1/396 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 03:48:34,417 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-26 03:48:34,422 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:34,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:34,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 03:48:34,422 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 137 transitions, 4608 flow [2021-03-26 03:48:34,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:34,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:34,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 03:48:34,423 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:34,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:34,423 INFO L82 PathProgramCache]: Analyzing trace with hash 150324154, now seen corresponding path program 69 times [2021-03-26 03:48:34,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:34,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628680399] [2021-03-26 03:48:34,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:34,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:34,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:34,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:34,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:34,453 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:34,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:34,479 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:34,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628680399] [2021-03-26 03:48:34,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:34,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:34,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437512172] [2021-03-26 03:48:34,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:34,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:34,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:34,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:34,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:34,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 137 transitions, 4608 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:34,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:34,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:34,620 INFO L129 PetriNetUnfolder]: 1/398 cut-off events. [2021-03-26 03:48:34,620 INFO L130 PetriNetUnfolder]: For 12217/12229 co-relation queries the response was YES. [2021-03-26 03:48:34,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 398 events. 1/398 cut-off events. For 12217/12229 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3909 event pairs, 0 based on Foata normal form. 2/400 useless extension candidates. Maximal degree in co-relation 3015. Up to 82 conditions per place. [2021-03-26 03:48:34,622 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 55 changer transitions 2/141 dead transitions. [2021-03-26 03:48:34,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 141 transitions, 4896 flow [2021-03-26 03:48:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:34,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:34,625 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:34,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,626 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,626 INFO L185 Difference]: Start difference. First operand has 246 places, 137 transitions, 4608 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:34,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 141 transitions, 4896 flow [2021-03-26 03:48:34,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 141 transitions, 4767 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:34,687 INFO L241 Difference]: Finished difference. Result has 248 places, 135 transitions, 4504 flow [2021-03-26 03:48:34,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4485, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4504, PETRI_PLACES=248, PETRI_TRANSITIONS=135} [2021-03-26 03:48:34,687 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 03:48:34,687 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:34,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 135 transitions, 4504 flow [2021-03-26 03:48:34,688 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 135 transitions, 4504 flow [2021-03-26 03:48:34,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 135 transitions, 4504 flow [2021-03-26 03:48:34,734 INFO L129 PetriNetUnfolder]: 0/390 cut-off events. [2021-03-26 03:48:34,734 INFO L130 PetriNetUnfolder]: For 11512/11532 co-relation queries the response was YES. [2021-03-26 03:48:34,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2847 conditions, 390 events. 0/390 cut-off events. For 11512/11532 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3828 event pairs, 0 based on Foata normal form. 1/389 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 03:48:34,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 03:48:34,741 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:34,741 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:34,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 03:48:34,742 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 135 transitions, 4504 flow [2021-03-26 03:48:34,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:34,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:34,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 03:48:34,742 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:34,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:34,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2105077668, now seen corresponding path program 70 times [2021-03-26 03:48:34,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:34,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674551433] [2021-03-26 03:48:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:34,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:34,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:34,757 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:34,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:34,774 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:34,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:34,785 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:34,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:34,800 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:34,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:34,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674551433] [2021-03-26 03:48:34,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:34,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:34,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748947738] [2021-03-26 03:48:34,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:34,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:34,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:34,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:34,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:34,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 135 transitions, 4504 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:34,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:34,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:34,907 INFO L129 PetriNetUnfolder]: 1/391 cut-off events. [2021-03-26 03:48:34,907 INFO L130 PetriNetUnfolder]: For 11734/11770 co-relation queries the response was YES. [2021-03-26 03:48:34,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3041 conditions, 391 events. 1/391 cut-off events. For 11734/11770 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3799 event pairs, 0 based on Foata normal form. 7/398 useless extension candidates. Maximal degree in co-relation 2970. Up to 105 conditions per place. [2021-03-26 03:48:34,909 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 41 changer transitions 3/140 dead transitions. [2021-03-26 03:48:34,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 140 transitions, 4821 flow [2021-03-26 03:48:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:34,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:34,910 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:34,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:34,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,911 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,911 INFO L185 Difference]: Start difference. First operand has 246 places, 135 transitions, 4504 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:34,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 140 transitions, 4821 flow [2021-03-26 03:48:34,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 140 transitions, 4690 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:34,952 INFO L241 Difference]: Finished difference. Result has 249 places, 133 transitions, 4404 flow [2021-03-26 03:48:34,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4379, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4404, PETRI_PLACES=249, PETRI_TRANSITIONS=133} [2021-03-26 03:48:34,953 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 217 predicate places. [2021-03-26 03:48:34,953 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:34,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 133 transitions, 4404 flow [2021-03-26 03:48:34,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 133 transitions, 4404 flow [2021-03-26 03:48:34,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 133 transitions, 4404 flow [2021-03-26 03:48:34,988 INFO L129 PetriNetUnfolder]: 0/381 cut-off events. [2021-03-26 03:48:34,988 INFO L130 PetriNetUnfolder]: For 11177/11197 co-relation queries the response was YES. [2021-03-26 03:48:34,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 381 events. 0/381 cut-off events. For 11177/11197 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3744 event pairs, 0 based on Foata normal form. 1/380 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-03-26 03:48:34,990 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 03:48:34,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:34,995 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:34,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 03:48:34,995 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 133 transitions, 4404 flow [2021-03-26 03:48:34,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:34,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:34,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 03:48:34,996 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:34,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:34,996 INFO L82 PathProgramCache]: Analyzing trace with hash -704982500, now seen corresponding path program 71 times [2021-03-26 03:48:34,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:34,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669217552] [2021-03-26 03:48:34,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:35,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:35,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:35,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:35,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:35,031 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:35,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:35,048 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:35,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669217552] [2021-03-26 03:48:35,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:35,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:35,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764922504] [2021-03-26 03:48:35,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:35,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:35,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:35,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:35,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:35,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 133 transitions, 4404 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:35,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:35,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:35,188 INFO L129 PetriNetUnfolder]: 1/382 cut-off events. [2021-03-26 03:48:35,188 INFO L130 PetriNetUnfolder]: For 11407/11443 co-relation queries the response was YES. [2021-03-26 03:48:35,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2960 conditions, 382 events. 1/382 cut-off events. For 11407/11443 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3708 event pairs, 0 based on Foata normal form. 11/393 useless extension candidates. Maximal degree in co-relation 2888. Up to 80 conditions per place. [2021-03-26 03:48:35,190 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 53 changer transitions 4/137 dead transitions. [2021-03-26 03:48:35,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 137 transitions, 4684 flow [2021-03-26 03:48:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:35,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:35,191 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:35,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:35,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:35,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:35,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,192 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,193 INFO L185 Difference]: Start difference. First operand has 248 places, 133 transitions, 4404 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:35,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 137 transitions, 4684 flow [2021-03-26 03:48:35,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 137 transitions, 4598 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:35,249 INFO L241 Difference]: Finished difference. Result has 251 places, 129 transitions, 4296 flow [2021-03-26 03:48:35,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4324, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4296, PETRI_PLACES=251, PETRI_TRANSITIONS=129} [2021-03-26 03:48:35,250 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 219 predicate places. [2021-03-26 03:48:35,250 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:35,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 129 transitions, 4296 flow [2021-03-26 03:48:35,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 129 transitions, 4296 flow [2021-03-26 03:48:35,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 129 transitions, 4296 flow [2021-03-26 03:48:35,294 INFO L129 PetriNetUnfolder]: 0/371 cut-off events. [2021-03-26 03:48:35,294 INFO L130 PetriNetUnfolder]: For 10852/10864 co-relation queries the response was YES. [2021-03-26 03:48:35,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2704 conditions, 371 events. 0/371 cut-off events. For 10852/10864 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3600 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 03:48:35,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 03:48:35,304 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:35,304 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:35,304 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 03:48:35,304 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 129 transitions, 4296 flow [2021-03-26 03:48:35,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:35,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:35,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 03:48:35,305 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:35,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:35,305 INFO L82 PathProgramCache]: Analyzing trace with hash -936633184, now seen corresponding path program 72 times [2021-03-26 03:48:35,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:35,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003173047] [2021-03-26 03:48:35,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:35,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:35,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:35,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:35,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:35,338 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:35,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:35,361 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:35,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:35,379 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:35,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:35,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003173047] [2021-03-26 03:48:35,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:35,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:35,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186800105] [2021-03-26 03:48:35,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:35,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:35,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:35,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:35,398 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:35,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 129 transitions, 4296 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:35,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:35,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:35,495 INFO L129 PetriNetUnfolder]: 1/372 cut-off events. [2021-03-26 03:48:35,495 INFO L130 PetriNetUnfolder]: For 10954/10966 co-relation queries the response was YES. [2021-03-26 03:48:35,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2889 conditions, 372 events. 1/372 cut-off events. For 10954/10966 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3561 event pairs, 0 based on Foata normal form. 2/374 useless extension candidates. Maximal degree in co-relation 2817. Up to 102 conditions per place. [2021-03-26 03:48:35,496 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 78 selfloop transitions, 41 changer transitions 3/132 dead transitions. [2021-03-26 03:48:35,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 132 transitions, 4562 flow [2021-03-26 03:48:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:35,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:35,497 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:35,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:35,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:35,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:35,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,498 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,498 INFO L185 Difference]: Start difference. First operand has 246 places, 129 transitions, 4296 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:35,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 132 transitions, 4562 flow [2021-03-26 03:48:35,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 132 transitions, 4434 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:35,541 INFO L241 Difference]: Finished difference. Result has 248 places, 126 transitions, 4144 flow [2021-03-26 03:48:35,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4172, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4144, PETRI_PLACES=248, PETRI_TRANSITIONS=126} [2021-03-26 03:48:35,541 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 03:48:35,541 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:35,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 126 transitions, 4144 flow [2021-03-26 03:48:35,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 126 transitions, 4144 flow [2021-03-26 03:48:35,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 126 transitions, 4144 flow [2021-03-26 03:48:35,584 INFO L129 PetriNetUnfolder]: 0/362 cut-off events. [2021-03-26 03:48:35,584 INFO L130 PetriNetUnfolder]: For 10300/10312 co-relation queries the response was YES. [2021-03-26 03:48:35,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 362 events. 0/362 cut-off events. For 10300/10312 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3458 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-03-26 03:48:35,587 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-26 03:48:35,593 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:35,593 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:35,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-26 03:48:35,594 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 126 transitions, 4144 flow [2021-03-26 03:48:35,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:35,594 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:35,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 03:48:35,594 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:35,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1161405578, now seen corresponding path program 73 times [2021-03-26 03:48:35,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:35,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831582276] [2021-03-26 03:48:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:35,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:35,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:35,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:35,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:35,622 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:35,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:35,640 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:35,657 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:35,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:35,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831582276] [2021-03-26 03:48:35,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:35,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:35,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057843476] [2021-03-26 03:48:35,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:35,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:35,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:35,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:35,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:35,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 126 transitions, 4144 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:35,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:35,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:35,777 INFO L129 PetriNetUnfolder]: 1/363 cut-off events. [2021-03-26 03:48:35,777 INFO L130 PetriNetUnfolder]: For 10386/10398 co-relation queries the response was YES. [2021-03-26 03:48:35,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2804 conditions, 363 events. 1/363 cut-off events. For 10386/10398 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3458 event pairs, 0 based on Foata normal form. 2/365 useless extension candidates. Maximal degree in co-relation 2733. Up to 102 conditions per place. [2021-03-26 03:48:35,779 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 40 changer transitions 4/129 dead transitions. [2021-03-26 03:48:35,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 129 transitions, 4404 flow [2021-03-26 03:48:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-03-26 03:48:35,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-03-26 03:48:35,780 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-03-26 03:48:35,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-03-26 03:48:35,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:35,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-03-26 03:48:35,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,782 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,782 INFO L185 Difference]: Start difference. First operand has 245 places, 126 transitions, 4144 flow. Second operand 7 states and 305 transitions. [2021-03-26 03:48:35,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 129 transitions, 4404 flow [2021-03-26 03:48:35,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 129 transitions, 4315 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:35,835 INFO L241 Difference]: Finished difference. Result has 247 places, 122 transitions, 4008 flow [2021-03-26 03:48:35,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4059, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4008, PETRI_PLACES=247, PETRI_TRANSITIONS=122} [2021-03-26 03:48:35,835 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 215 predicate places. [2021-03-26 03:48:35,836 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:35,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 122 transitions, 4008 flow [2021-03-26 03:48:35,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 122 transitions, 4008 flow [2021-03-26 03:48:35,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 122 transitions, 4008 flow [2021-03-26 03:48:35,877 INFO L129 PetriNetUnfolder]: 0/352 cut-off events. [2021-03-26 03:48:35,877 INFO L130 PetriNetUnfolder]: For 9938/9949 co-relation queries the response was YES. [2021-03-26 03:48:35,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2544 conditions, 352 events. 0/352 cut-off events. For 9938/9949 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3342 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-03-26 03:48:35,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-26 03:48:35,885 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:35,886 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:35,886 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 03:48:35,886 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 122 transitions, 4008 flow [2021-03-26 03:48:35,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:35,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:35,887 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 03:48:35,887 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:35,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:35,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1599964466, now seen corresponding path program 74 times [2021-03-26 03:48:35,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:35,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197710801] [2021-03-26 03:48:35,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:35,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:35,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:35,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:35,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:35,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:35,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:35,929 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:35,946 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:35,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:35,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197710801] [2021-03-26 03:48:35,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:35,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:35,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651615391] [2021-03-26 03:48:35,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:35,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:35,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:35,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:35,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:35,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 122 transitions, 4008 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:35,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:35,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:36,087 INFO L129 PetriNetUnfolder]: 0/403 cut-off events. [2021-03-26 03:48:36,088 INFO L130 PetriNetUnfolder]: For 11628/11643 co-relation queries the response was YES. [2021-03-26 03:48:36,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3097 conditions, 403 events. 0/403 cut-off events. For 11628/11643 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3960 event pairs, 0 based on Foata normal form. 1/403 useless extension candidates. Maximal degree in co-relation 0. Up to 72 conditions per place. [2021-03-26 03:48:36,088 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 57 changer transitions 2/144 dead transitions. [2021-03-26 03:48:36,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 144 transitions, 4995 flow [2021-03-26 03:48:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:36,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:36,089 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:36,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,090 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,090 INFO L185 Difference]: Start difference. First operand has 242 places, 122 transitions, 4008 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:36,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 144 transitions, 4995 flow [2021-03-26 03:48:36,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 144 transitions, 4870 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:36,131 INFO L241 Difference]: Finished difference. Result has 248 places, 133 transitions, 4554 flow [2021-03-26 03:48:36,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3913, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4554, PETRI_PLACES=248, PETRI_TRANSITIONS=133} [2021-03-26 03:48:36,131 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 03:48:36,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:36,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 133 transitions, 4554 flow [2021-03-26 03:48:36,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 133 transitions, 4554 flow [2021-03-26 03:48:36,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 133 transitions, 4554 flow [2021-03-26 03:48:36,166 INFO L129 PetriNetUnfolder]: 0/396 cut-off events. [2021-03-26 03:48:36,166 INFO L130 PetriNetUnfolder]: For 11959/11968 co-relation queries the response was YES. [2021-03-26 03:48:36,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2938 conditions, 396 events. 0/396 cut-off events. For 11959/11968 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3899 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 03:48:36,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 230 [2021-03-26 03:48:36,173 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:36,173 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:36,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 03:48:36,174 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 133 transitions, 4554 flow [2021-03-26 03:48:36,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:36,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:36,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 03:48:36,174 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:36,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:36,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1594237344, now seen corresponding path program 75 times [2021-03-26 03:48:36,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:36,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360857415] [2021-03-26 03:48:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:36,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:36,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:36,215 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:36,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:36,232 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:36,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:36,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360857415] [2021-03-26 03:48:36,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:36,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:36,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663281052] [2021-03-26 03:48:36,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:36,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:36,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:36,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:36,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:36,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 133 transitions, 4554 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:36,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:36,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:36,376 INFO L129 PetriNetUnfolder]: 0/395 cut-off events. [2021-03-26 03:48:36,376 INFO L130 PetriNetUnfolder]: For 12049/12067 co-relation queries the response was YES. [2021-03-26 03:48:36,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3113 conditions, 395 events. 0/395 cut-off events. For 12049/12067 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3865 event pairs, 0 based on Foata normal form. 2/397 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 03:48:36,377 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 50 changer transitions 2/143 dead transitions. [2021-03-26 03:48:36,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 143 transitions, 5050 flow [2021-03-26 03:48:36,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:36,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:36,378 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:36,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,380 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,380 INFO L185 Difference]: Start difference. First operand has 247 places, 133 transitions, 4554 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:36,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 143 transitions, 5050 flow [2021-03-26 03:48:36,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 143 transitions, 5012 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:36,440 INFO L241 Difference]: Finished difference. Result has 253 places, 134 transitions, 4693 flow [2021-03-26 03:48:36,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4523, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4693, PETRI_PLACES=253, PETRI_TRANSITIONS=134} [2021-03-26 03:48:36,441 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 221 predicate places. [2021-03-26 03:48:36,441 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:36,441 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 134 transitions, 4693 flow [2021-03-26 03:48:36,441 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 134 transitions, 4693 flow [2021-03-26 03:48:36,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 134 transitions, 4693 flow [2021-03-26 03:48:36,478 INFO L129 PetriNetUnfolder]: 0/388 cut-off events. [2021-03-26 03:48:36,478 INFO L130 PetriNetUnfolder]: For 12577/12585 co-relation queries the response was YES. [2021-03-26 03:48:36,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2945 conditions, 388 events. 0/388 cut-off events. For 12577/12585 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3786 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 03:48:36,481 INFO L142 LiptonReduction]: Number of co-enabled transitions 236 [2021-03-26 03:48:36,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:36,486 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:36,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 03:48:36,486 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 134 transitions, 4693 flow [2021-03-26 03:48:36,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:36,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:36,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 03:48:36,486 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:36,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:36,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1788249828, now seen corresponding path program 76 times [2021-03-26 03:48:36,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:36,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772259968] [2021-03-26 03:48:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:36,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:36,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:36,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:36,519 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:36,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:36,536 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:36,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:36,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772259968] [2021-03-26 03:48:36,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:36,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:36,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112588142] [2021-03-26 03:48:36,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:36,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:36,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:36,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:36,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:36,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 134 transitions, 4693 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:36,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:36,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:36,655 INFO L129 PetriNetUnfolder]: 0/387 cut-off events. [2021-03-26 03:48:36,655 INFO L130 PetriNetUnfolder]: For 12721/12744 co-relation queries the response was YES. [2021-03-26 03:48:36,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3117 conditions, 387 events. 0/387 cut-off events. For 12721/12744 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3766 event pairs, 0 based on Foata normal form. 5/392 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 03:48:36,656 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 49 changer transitions 2/141 dead transitions. [2021-03-26 03:48:36,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 141 transitions, 5086 flow [2021-03-26 03:48:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:36,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:36,657 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:36,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,659 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,659 INFO L185 Difference]: Start difference. First operand has 252 places, 134 transitions, 4693 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:36,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 141 transitions, 5086 flow [2021-03-26 03:48:36,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 141 transitions, 4998 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:36,721 INFO L241 Difference]: Finished difference. Result has 258 places, 135 transitions, 4747 flow [2021-03-26 03:48:36,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4611, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4747, PETRI_PLACES=258, PETRI_TRANSITIONS=135} [2021-03-26 03:48:36,721 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 226 predicate places. [2021-03-26 03:48:36,722 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:36,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 135 transitions, 4747 flow [2021-03-26 03:48:36,722 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 135 transitions, 4747 flow [2021-03-26 03:48:36,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 135 transitions, 4747 flow [2021-03-26 03:48:36,767 INFO L129 PetriNetUnfolder]: 0/381 cut-off events. [2021-03-26 03:48:36,767 INFO L130 PetriNetUnfolder]: For 12287/12296 co-relation queries the response was YES. [2021-03-26 03:48:36,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2934 conditions, 381 events. 0/381 cut-off events. For 12287/12296 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3703 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-03-26 03:48:36,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 03:48:36,778 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:36,778 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:36,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 03:48:36,779 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 135 transitions, 4747 flow [2021-03-26 03:48:36,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:36,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:36,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 03:48:36,779 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:36,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1243990850, now seen corresponding path program 77 times [2021-03-26 03:48:36,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:36,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470124371] [2021-03-26 03:48:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:36,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:36,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:36,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:36,815 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:36,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:36,834 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:36,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:36,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470124371] [2021-03-26 03:48:36,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:36,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:36,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252332952] [2021-03-26 03:48:36,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:36,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:36,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:36,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:36,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:36,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 135 transitions, 4747 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:36,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:36,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:36,979 INFO L129 PetriNetUnfolder]: 0/380 cut-off events. [2021-03-26 03:48:36,980 INFO L130 PetriNetUnfolder]: For 12418/12441 co-relation queries the response was YES. [2021-03-26 03:48:36,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3103 conditions, 380 events. 0/380 cut-off events. For 12418/12441 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3660 event pairs, 0 based on Foata normal form. 5/385 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 03:48:36,981 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 79 selfloop transitions, 47 changer transitions 3/139 dead transitions. [2021-03-26 03:48:36,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 139 transitions, 5044 flow [2021-03-26 03:48:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:36,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:36,982 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:36,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:36,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,983 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,983 INFO L185 Difference]: Start difference. First operand has 257 places, 135 transitions, 4747 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:36,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 139 transitions, 5044 flow [2021-03-26 03:48:37,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 139 transitions, 4943 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:37,046 INFO L241 Difference]: Finished difference. Result has 260 places, 132 transitions, 4629 flow [2021-03-26 03:48:37,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4652, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4629, PETRI_PLACES=260, PETRI_TRANSITIONS=132} [2021-03-26 03:48:37,047 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 228 predicate places. [2021-03-26 03:48:37,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:37,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 132 transitions, 4629 flow [2021-03-26 03:48:37,047 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 132 transitions, 4629 flow [2021-03-26 03:48:37,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 132 transitions, 4629 flow [2021-03-26 03:48:37,085 INFO L129 PetriNetUnfolder]: 0/372 cut-off events. [2021-03-26 03:48:37,086 INFO L130 PetriNetUnfolder]: For 11803/11812 co-relation queries the response was YES. [2021-03-26 03:48:37,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 372 events. 0/372 cut-off events. For 11803/11812 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3598 event pairs, 0 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 03:48:37,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-26 03:48:37,095 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:37,095 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:37,095 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 03:48:37,095 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 132 transitions, 4629 flow [2021-03-26 03:48:37,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:37,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:37,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 03:48:37,096 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:37,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1093618200, now seen corresponding path program 78 times [2021-03-26 03:48:37,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:37,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429386781] [2021-03-26 03:48:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:37,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:37,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:37,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:37,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:37,139 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:37,157 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:37,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:37,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429386781] [2021-03-26 03:48:37,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:37,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:37,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317456250] [2021-03-26 03:48:37,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:37,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:37,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:37,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:37,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:37,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 132 transitions, 4629 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:37,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:37,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:37,271 INFO L129 PetriNetUnfolder]: 0/371 cut-off events. [2021-03-26 03:48:37,272 INFO L130 PetriNetUnfolder]: For 11933/11956 co-relation queries the response was YES. [2021-03-26 03:48:37,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3036 conditions, 371 events. 0/371 cut-off events. For 11933/11956 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3541 event pairs, 0 based on Foata normal form. 5/376 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 03:48:37,273 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 47 changer transitions 3/136 dead transitions. [2021-03-26 03:48:37,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 136 transitions, 4920 flow [2021-03-26 03:48:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:37,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:37,273 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:37,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:37,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:37,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:37,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,275 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,276 INFO L185 Difference]: Start difference. First operand has 259 places, 132 transitions, 4629 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:37,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 136 transitions, 4920 flow [2021-03-26 03:48:37,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 136 transitions, 4826 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:37,347 INFO L241 Difference]: Finished difference. Result has 262 places, 129 transitions, 4516 flow [2021-03-26 03:48:37,347 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4541, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4516, PETRI_PLACES=262, PETRI_TRANSITIONS=129} [2021-03-26 03:48:37,348 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 230 predicate places. [2021-03-26 03:48:37,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:37,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 129 transitions, 4516 flow [2021-03-26 03:48:37,348 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 129 transitions, 4516 flow [2021-03-26 03:48:37,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 129 transitions, 4516 flow [2021-03-26 03:48:37,392 INFO L129 PetriNetUnfolder]: 0/363 cut-off events. [2021-03-26 03:48:37,393 INFO L130 PetriNetUnfolder]: For 11460/11469 co-relation queries the response was YES. [2021-03-26 03:48:37,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2806 conditions, 363 events. 0/363 cut-off events. For 11460/11469 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3474 event pairs, 0 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-03-26 03:48:37,396 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 03:48:37,403 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:37,403 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:37,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 03:48:37,403 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 129 transitions, 4516 flow [2021-03-26 03:48:37,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:37,404 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:37,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 03:48:37,404 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:37,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:37,404 INFO L82 PathProgramCache]: Analyzing trace with hash 609892508, now seen corresponding path program 79 times [2021-03-26 03:48:37,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:37,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260138057] [2021-03-26 03:48:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:37,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:37,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:37,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:37,428 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:37,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:37,440 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:37,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:37,461 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:37,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:37,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260138057] [2021-03-26 03:48:37,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:37,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:37,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386994640] [2021-03-26 03:48:37,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:37,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:37,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:37,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:37,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:37,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 129 transitions, 4516 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:37,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:37,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:37,590 INFO L129 PetriNetUnfolder]: 0/362 cut-off events. [2021-03-26 03:48:37,591 INFO L130 PetriNetUnfolder]: For 11553/11573 co-relation queries the response was YES. [2021-03-26 03:48:37,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 362 events. 0/362 cut-off events. For 11553/11573 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3442 event pairs, 0 based on Foata normal form. 4/366 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 03:48:37,592 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 78 selfloop transitions, 42 changer transitions 2/132 dead transitions. [2021-03-26 03:48:37,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 132 transitions, 4795 flow [2021-03-26 03:48:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:37,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:37,593 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:37,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:37,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:37,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:37,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,594 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,594 INFO L185 Difference]: Start difference. First operand has 258 places, 129 transitions, 4516 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:37,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 132 transitions, 4795 flow [2021-03-26 03:48:37,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 132 transitions, 4701 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:37,644 INFO L241 Difference]: Finished difference. Result has 261 places, 128 transitions, 4457 flow [2021-03-26 03:48:37,644 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4426, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4457, PETRI_PLACES=261, PETRI_TRANSITIONS=128} [2021-03-26 03:48:37,644 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 229 predicate places. [2021-03-26 03:48:37,645 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:37,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 128 transitions, 4457 flow [2021-03-26 03:48:37,645 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 128 transitions, 4457 flow [2021-03-26 03:48:37,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 128 transitions, 4457 flow [2021-03-26 03:48:37,678 INFO L129 PetriNetUnfolder]: 0/355 cut-off events. [2021-03-26 03:48:37,678 INFO L130 PetriNetUnfolder]: For 11149/11158 co-relation queries the response was YES. [2021-03-26 03:48:37,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2756 conditions, 355 events. 0/355 cut-off events. For 11149/11158 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3377 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-03-26 03:48:37,680 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-26 03:48:37,685 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:37,685 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:37,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 03:48:37,686 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 128 transitions, 4457 flow [2021-03-26 03:48:37,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:37,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:37,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 03:48:37,686 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:37,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1548607490, now seen corresponding path program 80 times [2021-03-26 03:48:37,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:37,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122958933] [2021-03-26 03:48:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:37,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:37,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:37,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:37,709 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:37,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:37,722 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:37,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:37,740 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:37,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122958933] [2021-03-26 03:48:37,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:37,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:37,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363407390] [2021-03-26 03:48:37,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:37,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:37,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:37,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:37,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:37,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 128 transitions, 4457 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:37,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:37,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:37,836 INFO L129 PetriNetUnfolder]: 0/354 cut-off events. [2021-03-26 03:48:37,836 INFO L130 PetriNetUnfolder]: For 11278/11301 co-relation queries the response was YES. [2021-03-26 03:48:37,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2914 conditions, 354 events. 0/354 cut-off events. For 11278/11301 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3339 event pairs, 0 based on Foata normal form. 5/359 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 03:48:37,837 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 38 changer transitions 5/129 dead transitions. [2021-03-26 03:48:37,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 129 transitions, 4699 flow [2021-03-26 03:48:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 304 transitions. [2021-03-26 03:48:37,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8194070080862533 [2021-03-26 03:48:37,838 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 304 transitions. [2021-03-26 03:48:37,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 304 transitions. [2021-03-26 03:48:37,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:37,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 304 transitions. [2021-03-26 03:48:37,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.42857142857143) internal successors, (304), 7 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,839 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,839 INFO L185 Difference]: Start difference. First operand has 259 places, 128 transitions, 4457 flow. Second operand 7 states and 304 transitions. [2021-03-26 03:48:37,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 129 transitions, 4699 flow [2021-03-26 03:48:37,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 129 transitions, 4597 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:37,879 INFO L241 Difference]: Finished difference. Result has 261 places, 123 transitions, 4271 flow [2021-03-26 03:48:37,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4357, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4271, PETRI_PLACES=261, PETRI_TRANSITIONS=123} [2021-03-26 03:48:37,879 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 229 predicate places. [2021-03-26 03:48:37,880 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:37,880 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 123 transitions, 4271 flow [2021-03-26 03:48:37,880 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 123 transitions, 4271 flow [2021-03-26 03:48:37,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 123 transitions, 4271 flow [2021-03-26 03:48:37,917 INFO L129 PetriNetUnfolder]: 0/344 cut-off events. [2021-03-26 03:48:37,917 INFO L130 PetriNetUnfolder]: For 10642/10644 co-relation queries the response was YES. [2021-03-26 03:48:37,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 344 events. 0/344 cut-off events. For 10642/10644 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3264 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2021-03-26 03:48:37,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 03:48:37,923 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:37,923 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:37,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 03:48:37,923 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 123 transitions, 4271 flow [2021-03-26 03:48:37,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:37,924 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:37,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 03:48:37,924 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:37,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:37,924 INFO L82 PathProgramCache]: Analyzing trace with hash -881931416, now seen corresponding path program 81 times [2021-03-26 03:48:37,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:37,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074761996] [2021-03-26 03:48:37,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:37,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:37,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:37,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:37,945 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:37,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:37,963 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:37,980 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:37,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:37,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074761996] [2021-03-26 03:48:37,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:37,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:37,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753294925] [2021-03-26 03:48:37,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:37,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:37,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:37,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:37,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:37,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 123 transitions, 4271 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:37,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:37,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:38,069 INFO L129 PetriNetUnfolder]: 0/343 cut-off events. [2021-03-26 03:48:38,069 INFO L130 PetriNetUnfolder]: For 10717/10723 co-relation queries the response was YES. [2021-03-26 03:48:38,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 343 events. 0/343 cut-off events. For 10717/10723 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3222 event pairs, 0 based on Foata normal form. 3/346 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-03-26 03:48:38,070 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 49 changer transitions 3/126 dead transitions. [2021-03-26 03:48:38,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 126 transitions, 4515 flow [2021-03-26 03:48:38,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:38,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:38,071 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:38,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,071 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,072 INFO L185 Difference]: Start difference. First operand has 256 places, 123 transitions, 4271 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:38,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 126 transitions, 4515 flow [2021-03-26 03:48:38,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 126 transitions, 4375 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:38,109 INFO L241 Difference]: Finished difference. Result has 257 places, 120 transitions, 4124 flow [2021-03-26 03:48:38,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4137, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4124, PETRI_PLACES=257, PETRI_TRANSITIONS=120} [2021-03-26 03:48:38,109 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 225 predicate places. [2021-03-26 03:48:38,109 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:38,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 120 transitions, 4124 flow [2021-03-26 03:48:38,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 120 transitions, 4124 flow [2021-03-26 03:48:38,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 255 places, 120 transitions, 4124 flow [2021-03-26 03:48:38,138 INFO L129 PetriNetUnfolder]: 0/335 cut-off events. [2021-03-26 03:48:38,138 INFO L130 PetriNetUnfolder]: For 10244/10246 co-relation queries the response was YES. [2021-03-26 03:48:38,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2558 conditions, 335 events. 0/335 cut-off events. For 10244/10246 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3139 event pairs, 0 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 03:48:38,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 03:48:38,144 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:38,144 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:38,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 03:48:38,144 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 120 transitions, 4124 flow [2021-03-26 03:48:38,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:38,145 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:38,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 03:48:38,145 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:38,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:38,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1877583166, now seen corresponding path program 82 times [2021-03-26 03:48:38,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:38,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869061438] [2021-03-26 03:48:38,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:38,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:38,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:38,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:38,176 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:38,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:38,190 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:38,209 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:38,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:38,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869061438] [2021-03-26 03:48:38,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:38,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:38,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829263980] [2021-03-26 03:48:38,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:38,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:38,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:38,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:38,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:38,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 120 transitions, 4124 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:38,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:38,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:38,295 INFO L129 PetriNetUnfolder]: 0/334 cut-off events. [2021-03-26 03:48:38,295 INFO L130 PetriNetUnfolder]: For 10260/10260 co-relation queries the response was YES. [2021-03-26 03:48:38,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2706 conditions, 334 events. 0/334 cut-off events. For 10260/10260 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3095 event pairs, 0 based on Foata normal form. 1/335 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-03-26 03:48:38,296 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 47 changer transitions 2/123 dead transitions. [2021-03-26 03:48:38,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 123 transitions, 4362 flow [2021-03-26 03:48:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:38,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:38,297 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:38,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,298 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,298 INFO L185 Difference]: Start difference. First operand has 255 places, 120 transitions, 4124 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:38,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 123 transitions, 4362 flow [2021-03-26 03:48:38,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 123 transitions, 4248 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:38,337 INFO L241 Difference]: Finished difference. Result has 256 places, 118 transitions, 4031 flow [2021-03-26 03:48:38,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4016, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4031, PETRI_PLACES=256, PETRI_TRANSITIONS=118} [2021-03-26 03:48:38,337 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 224 predicate places. [2021-03-26 03:48:38,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:38,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 118 transitions, 4031 flow [2021-03-26 03:48:38,337 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 118 transitions, 4031 flow [2021-03-26 03:48:38,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 118 transitions, 4031 flow [2021-03-26 03:48:38,366 INFO L129 PetriNetUnfolder]: 0/327 cut-off events. [2021-03-26 03:48:38,366 INFO L130 PetriNetUnfolder]: For 9976/9976 co-relation queries the response was YES. [2021-03-26 03:48:38,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 327 events. 0/327 cut-off events. For 9976/9976 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3053 event pairs, 0 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 0. Up to 39 conditions per place. [2021-03-26 03:48:38,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 03:48:38,373 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:38,373 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:38,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 03:48:38,373 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 118 transitions, 4031 flow [2021-03-26 03:48:38,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:38,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:38,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 03:48:38,374 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:38,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:38,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1543643450, now seen corresponding path program 83 times [2021-03-26 03:48:38,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:38,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124697656] [2021-03-26 03:48:38,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:38,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:38,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:38,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:38,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:38,420 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:38,437 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:38,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:38,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124697656] [2021-03-26 03:48:38,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:38,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:38,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901346622] [2021-03-26 03:48:38,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:38,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:38,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:38,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:38,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:38,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 118 transitions, 4031 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:38,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:38,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:38,538 INFO L129 PetriNetUnfolder]: 0/326 cut-off events. [2021-03-26 03:48:38,538 INFO L130 PetriNetUnfolder]: For 10091/10097 co-relation queries the response was YES. [2021-03-26 03:48:38,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 326 events. 0/326 cut-off events. For 10091/10097 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2991 event pairs, 0 based on Foata normal form. 3/329 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-03-26 03:48:38,539 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 44 changer transitions 3/121 dead transitions. [2021-03-26 03:48:38,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 121 transitions, 4265 flow [2021-03-26 03:48:38,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:38,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:38,540 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:38,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,540 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,540 INFO L185 Difference]: Start difference. First operand has 254 places, 118 transitions, 4031 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:38,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 121 transitions, 4265 flow [2021-03-26 03:48:38,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 121 transitions, 4143 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:38,577 INFO L241 Difference]: Finished difference. Result has 254 places, 115 transitions, 3902 flow [2021-03-26 03:48:38,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3915, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3902, PETRI_PLACES=254, PETRI_TRANSITIONS=115} [2021-03-26 03:48:38,578 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 222 predicate places. [2021-03-26 03:48:38,578 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:38,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 115 transitions, 3902 flow [2021-03-26 03:48:38,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 115 transitions, 3902 flow [2021-03-26 03:48:38,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 115 transitions, 3902 flow [2021-03-26 03:48:38,607 INFO L129 PetriNetUnfolder]: 0/318 cut-off events. [2021-03-26 03:48:38,607 INFO L130 PetriNetUnfolder]: For 9688/9690 co-relation queries the response was YES. [2021-03-26 03:48:38,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 318 events. 0/318 cut-off events. For 9688/9690 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2931 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-03-26 03:48:38,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 03:48:38,615 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:38,615 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:38,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 03:48:38,615 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 115 transitions, 3902 flow [2021-03-26 03:48:38,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:38,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:38,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 03:48:38,616 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:38,616 INFO L82 PathProgramCache]: Analyzing trace with hash 354399346, now seen corresponding path program 84 times [2021-03-26 03:48:38,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:38,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230069185] [2021-03-26 03:48:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:38,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:38,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:38,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:38,637 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:38,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:38,650 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:38,668 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:38,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:38,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230069185] [2021-03-26 03:48:38,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:38,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:38,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844848501] [2021-03-26 03:48:38,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:38,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:38,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:38,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:38,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:38,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 115 transitions, 3902 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:38,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:38,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:38,769 INFO L129 PetriNetUnfolder]: 0/317 cut-off events. [2021-03-26 03:48:38,769 INFO L130 PetriNetUnfolder]: For 9702/9702 co-relation queries the response was YES. [2021-03-26 03:48:38,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 317 events. 0/317 cut-off events. For 9702/9702 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2885 event pairs, 0 based on Foata normal form. 1/318 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 03:48:38,770 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 57 selfloop transitions, 49 changer transitions 2/118 dead transitions. [2021-03-26 03:48:38,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 118 transitions, 4130 flow [2021-03-26 03:48:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:38,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:38,776 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:38,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:38,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,777 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,777 INFO L185 Difference]: Start difference. First operand has 252 places, 115 transitions, 3902 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:38,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 118 transitions, 4130 flow [2021-03-26 03:48:38,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 118 transitions, 4046 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:38,812 INFO L241 Difference]: Finished difference. Result has 253 places, 113 transitions, 3842 flow [2021-03-26 03:48:38,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3824, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3842, PETRI_PLACES=253, PETRI_TRANSITIONS=113} [2021-03-26 03:48:38,813 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 221 predicate places. [2021-03-26 03:48:38,813 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:38,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 113 transitions, 3842 flow [2021-03-26 03:48:38,813 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 113 transitions, 3842 flow [2021-03-26 03:48:38,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 113 transitions, 3842 flow [2021-03-26 03:48:38,839 INFO L129 PetriNetUnfolder]: 0/312 cut-off events. [2021-03-26 03:48:38,840 INFO L130 PetriNetUnfolder]: For 9602/9604 co-relation queries the response was YES. [2021-03-26 03:48:38,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2377 conditions, 312 events. 0/312 cut-off events. For 9602/9604 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2857 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2021-03-26 03:48:38,842 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 03:48:38,846 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:38,846 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:38,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 03:48:38,846 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 113 transitions, 3842 flow [2021-03-26 03:48:38,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:38,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:38,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 03:48:38,847 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:38,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:38,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1429379130, now seen corresponding path program 85 times [2021-03-26 03:48:38,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:38,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109280854] [2021-03-26 03:48:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:38,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:38,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:38,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:38,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:38,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:38,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:38,875 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:38,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:38,891 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:38,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:38,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109280854] [2021-03-26 03:48:38,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:38,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:38,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687425385] [2021-03-26 03:48:38,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:38,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:38,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:38,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:38,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:38,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 113 transitions, 3842 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:38,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:38,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,006 INFO L129 PetriNetUnfolder]: 0/311 cut-off events. [2021-03-26 03:48:39,007 INFO L130 PetriNetUnfolder]: For 9615/9615 co-relation queries the response was YES. [2021-03-26 03:48:39,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2515 conditions, 311 events. 0/311 cut-off events. For 9615/9615 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2806 event pairs, 0 based on Foata normal form. 1/312 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:39,007 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 47 changer transitions 3/116 dead transitions. [2021-03-26 03:48:39,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 116 transitions, 4066 flow [2021-03-26 03:48:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:39,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:39,008 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,009 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,009 INFO L185 Difference]: Start difference. First operand has 251 places, 113 transitions, 3842 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:39,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 116 transitions, 4066 flow [2021-03-26 03:48:39,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 116 transitions, 3967 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:39,042 INFO L241 Difference]: Finished difference. Result has 252 places, 110 transitions, 3729 flow [2021-03-26 03:48:39,043 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3749, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3729, PETRI_PLACES=252, PETRI_TRANSITIONS=110} [2021-03-26 03:48:39,043 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 220 predicate places. [2021-03-26 03:48:39,043 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:39,043 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 110 transitions, 3729 flow [2021-03-26 03:48:39,043 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 110 transitions, 3729 flow [2021-03-26 03:48:39,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 110 transitions, 3729 flow [2021-03-26 03:48:39,077 INFO L129 PetriNetUnfolder]: 0/304 cut-off events. [2021-03-26 03:48:39,077 INFO L130 PetriNetUnfolder]: For 9110/9112 co-relation queries the response was YES. [2021-03-26 03:48:39,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2315 conditions, 304 events. 0/304 cut-off events. For 9110/9112 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2748 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 0. Up to 36 conditions per place. [2021-03-26 03:48:39,079 INFO L142 LiptonReduction]: Number of co-enabled transitions 188 [2021-03-26 03:48:39,083 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:39,084 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:39,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 03:48:39,084 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 110 transitions, 3729 flow [2021-03-26 03:48:39,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:39,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:39,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 03:48:39,084 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:39,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1306557062, now seen corresponding path program 86 times [2021-03-26 03:48:39,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:39,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018849587] [2021-03-26 03:48:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:39,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:39,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:39,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:39,117 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:39,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:39,134 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:39,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:39,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018849587] [2021-03-26 03:48:39,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:39,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:39,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370630691] [2021-03-26 03:48:39,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:39,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:39,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:39,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:39,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:39,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 110 transitions, 3729 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:39,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:39,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,230 INFO L129 PetriNetUnfolder]: 0/303 cut-off events. [2021-03-26 03:48:39,230 INFO L130 PetriNetUnfolder]: For 9181/9187 co-relation queries the response was YES. [2021-03-26 03:48:39,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2449 conditions, 303 events. 0/303 cut-off events. For 9181/9187 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2719 event pairs, 0 based on Foata normal form. 3/306 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:39,231 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 46 changer transitions 4/113 dead transitions. [2021-03-26 03:48:39,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 113 transitions, 3947 flow [2021-03-26 03:48:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:39,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:39,232 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,232 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,232 INFO L185 Difference]: Start difference. First operand has 247 places, 110 transitions, 3729 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:39,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 113 transitions, 3947 flow [2021-03-26 03:48:39,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 113 transitions, 3817 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-26 03:48:39,264 INFO L241 Difference]: Finished difference. Result has 246 places, 106 transitions, 3562 flow [2021-03-26 03:48:39,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3605, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3562, PETRI_PLACES=246, PETRI_TRANSITIONS=106} [2021-03-26 03:48:39,265 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 214 predicate places. [2021-03-26 03:48:39,265 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:39,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 106 transitions, 3562 flow [2021-03-26 03:48:39,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 106 transitions, 3562 flow [2021-03-26 03:48:39,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 106 transitions, 3562 flow [2021-03-26 03:48:39,288 INFO L129 PetriNetUnfolder]: 0/294 cut-off events. [2021-03-26 03:48:39,289 INFO L130 PetriNetUnfolder]: For 8506/8508 co-relation queries the response was YES. [2021-03-26 03:48:39,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 294 events. 0/294 cut-off events. For 8506/8508 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2627 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 0. Up to 35 conditions per place. [2021-03-26 03:48:39,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-26 03:48:39,294 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:39,294 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:39,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 03:48:39,294 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 106 transitions, 3562 flow [2021-03-26 03:48:39,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:39,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:39,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 03:48:39,295 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:39,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:39,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1317060166, now seen corresponding path program 87 times [2021-03-26 03:48:39,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:39,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744983150] [2021-03-26 03:48:39,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:39,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:39,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:39,305 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:39,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:39,320 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:39,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:39,339 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:39,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:39,358 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:39,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:39,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744983150] [2021-03-26 03:48:39,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:39,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:39,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86926728] [2021-03-26 03:48:39,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:39,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:39,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:39,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:39,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:39,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 106 transitions, 3562 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:39,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:39,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,451 INFO L129 PetriNetUnfolder]: 0/293 cut-off events. [2021-03-26 03:48:39,452 INFO L130 PetriNetUnfolder]: For 8576/8582 co-relation queries the response was YES. [2021-03-26 03:48:39,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 293 events. 0/293 cut-off events. For 8576/8582 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2596 event pairs, 0 based on Foata normal form. 3/296 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 03:48:39,452 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 45 changer transitions 2/109 dead transitions. [2021-03-26 03:48:39,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 109 transitions, 3772 flow [2021-03-26 03:48:39,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:39,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:39,453 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,454 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,454 INFO L185 Difference]: Start difference. First operand has 241 places, 106 transitions, 3562 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:39,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 109 transitions, 3772 flow [2021-03-26 03:48:39,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 109 transitions, 3591 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 03:48:39,484 INFO L241 Difference]: Finished difference. Result has 240 places, 104 transitions, 3394 flow [2021-03-26 03:48:39,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3387, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3394, PETRI_PLACES=240, PETRI_TRANSITIONS=104} [2021-03-26 03:48:39,484 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 03:48:39,484 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:39,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 104 transitions, 3394 flow [2021-03-26 03:48:39,484 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 104 transitions, 3394 flow [2021-03-26 03:48:39,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 104 transitions, 3394 flow [2021-03-26 03:48:39,507 INFO L129 PetriNetUnfolder]: 0/287 cut-off events. [2021-03-26 03:48:39,507 INFO L130 PetriNetUnfolder]: For 7562/7562 co-relation queries the response was YES. [2021-03-26 03:48:39,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2134 conditions, 287 events. 0/287 cut-off events. For 7562/7562 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2529 event pairs, 0 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 0. Up to 34 conditions per place. [2021-03-26 03:48:39,509 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-26 03:48:39,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:39,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:39,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 03:48:39,514 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 104 transitions, 3394 flow [2021-03-26 03:48:39,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:39,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:39,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 03:48:39,514 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:39,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:39,515 INFO L82 PathProgramCache]: Analyzing trace with hash 282788324, now seen corresponding path program 88 times [2021-03-26 03:48:39,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:39,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853005284] [2021-03-26 03:48:39,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:39,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:39,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:39,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:39,547 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:39,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:39,563 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:39,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853005284] [2021-03-26 03:48:39,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:39,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:39,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744842578] [2021-03-26 03:48:39,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:39,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:39,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:39,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:39,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:39,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 104 transitions, 3394 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:39,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:39,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,677 INFO L129 PetriNetUnfolder]: 0/286 cut-off events. [2021-03-26 03:48:39,677 INFO L130 PetriNetUnfolder]: For 7613/7613 co-relation queries the response was YES. [2021-03-26 03:48:39,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 286 events. 0/286 cut-off events. For 7613/7613 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2500 event pairs, 0 based on Foata normal form. 1/287 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:39,678 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 41 changer transitions 2/107 dead transitions. [2021-03-26 03:48:39,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 107 transitions, 3600 flow [2021-03-26 03:48:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:39,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:39,679 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:39,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,680 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,680 INFO L185 Difference]: Start difference. First operand has 238 places, 104 transitions, 3394 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:39,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 107 transitions, 3600 flow [2021-03-26 03:48:39,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 107 transitions, 3521 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:39,717 INFO L241 Difference]: Finished difference. Result has 240 places, 102 transitions, 3322 flow [2021-03-26 03:48:39,718 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3321, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3322, PETRI_PLACES=240, PETRI_TRANSITIONS=102} [2021-03-26 03:48:39,718 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 03:48:39,718 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:39,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 102 transitions, 3322 flow [2021-03-26 03:48:39,718 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 102 transitions, 3322 flow [2021-03-26 03:48:39,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 102 transitions, 3322 flow [2021-03-26 03:48:39,747 INFO L129 PetriNetUnfolder]: 0/280 cut-off events. [2021-03-26 03:48:39,747 INFO L130 PetriNetUnfolder]: For 7236/7236 co-relation queries the response was YES. [2021-03-26 03:48:39,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 280 events. 0/280 cut-off events. For 7236/7236 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2435 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 0. Up to 33 conditions per place. [2021-03-26 03:48:39,750 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 03:48:39,754 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:39,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:39,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 03:48:39,755 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 102 transitions, 3322 flow [2021-03-26 03:48:39,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:39,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:39,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 03:48:39,755 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:39,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:39,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1341013694, now seen corresponding path program 89 times [2021-03-26 03:48:39,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:39,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045024352] [2021-03-26 03:48:39,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:39,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:39,775 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:39,787 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:39,808 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:39,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045024352] [2021-03-26 03:48:39,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:39,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:39,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408796166] [2021-03-26 03:48:39,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:39,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:39,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:39,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:39,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:39,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 102 transitions, 3322 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:39,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:39,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,916 INFO L129 PetriNetUnfolder]: 0/279 cut-off events. [2021-03-26 03:48:39,917 INFO L130 PetriNetUnfolder]: For 7345/7351 co-relation queries the response was YES. [2021-03-26 03:48:39,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 279 events. 0/279 cut-off events. For 7345/7351 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2413 event pairs, 0 based on Foata normal form. 3/282 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:39,917 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 37 changer transitions 3/104 dead transitions. [2021-03-26 03:48:39,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 104 transitions, 3518 flow [2021-03-26 03:48:39,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:39,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:39,918 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:39,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:39,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:39,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,919 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,920 INFO L185 Difference]: Start difference. First operand has 238 places, 102 transitions, 3322 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:39,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 104 transitions, 3518 flow [2021-03-26 03:48:39,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 104 transitions, 3454 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:39,955 INFO L241 Difference]: Finished difference. Result has 240 places, 99 transitions, 3227 flow [2021-03-26 03:48:39,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3262, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3227, PETRI_PLACES=240, PETRI_TRANSITIONS=99} [2021-03-26 03:48:39,956 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 03:48:39,957 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:39,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 99 transitions, 3227 flow [2021-03-26 03:48:39,957 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 99 transitions, 3227 flow [2021-03-26 03:48:39,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 99 transitions, 3227 flow [2021-03-26 03:48:40,001 INFO L129 PetriNetUnfolder]: 0/272 cut-off events. [2021-03-26 03:48:40,001 INFO L130 PetriNetUnfolder]: For 7251/7253 co-relation queries the response was YES. [2021-03-26 03:48:40,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 272 events. 0/272 cut-off events. For 7251/7253 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2349 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2021-03-26 03:48:40,003 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 03:48:40,007 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:40,007 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:40,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 03:48:40,007 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 99 transitions, 3227 flow [2021-03-26 03:48:40,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:40,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:40,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 03:48:40,008 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:40,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:40,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1662178528, now seen corresponding path program 90 times [2021-03-26 03:48:40,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:40,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046990464] [2021-03-26 03:48:40,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:40,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:40,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:40,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:40,054 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:40,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:40,072 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046990464] [2021-03-26 03:48:40,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:40,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895759858] [2021-03-26 03:48:40,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:40,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:40,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:40,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:40,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 99 transitions, 3227 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:40,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:40,165 INFO L129 PetriNetUnfolder]: 0/271 cut-off events. [2021-03-26 03:48:40,165 INFO L130 PetriNetUnfolder]: For 7318/7324 co-relation queries the response was YES. [2021-03-26 03:48:40,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2153 conditions, 271 events. 0/271 cut-off events. For 7318/7324 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2309 event pairs, 0 based on Foata normal form. 3/274 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 03:48:40,166 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 38 changer transitions 3/102 dead transitions. [2021-03-26 03:48:40,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 102 transitions, 3423 flow [2021-03-26 03:48:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:40,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:40,167 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:40,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,168 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,168 INFO L185 Difference]: Start difference. First operand has 235 places, 99 transitions, 3227 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:40,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 102 transitions, 3423 flow [2021-03-26 03:48:40,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 102 transitions, 3281 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:40,202 INFO L241 Difference]: Finished difference. Result has 235 places, 96 transitions, 3070 flow [2021-03-26 03:48:40,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3091, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3070, PETRI_PLACES=235, PETRI_TRANSITIONS=96} [2021-03-26 03:48:40,202 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 203 predicate places. [2021-03-26 03:48:40,203 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:40,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 96 transitions, 3070 flow [2021-03-26 03:48:40,203 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 96 transitions, 3070 flow [2021-03-26 03:48:40,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 96 transitions, 3070 flow [2021-03-26 03:48:40,230 INFO L129 PetriNetUnfolder]: 0/263 cut-off events. [2021-03-26 03:48:40,230 INFO L130 PetriNetUnfolder]: For 6533/6535 co-relation queries the response was YES. [2021-03-26 03:48:40,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1952 conditions, 263 events. 0/263 cut-off events. For 6533/6535 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2247 event pairs, 0 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2021-03-26 03:48:40,232 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 03:48:40,236 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:40,236 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:40,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 03:48:40,237 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 96 transitions, 3070 flow [2021-03-26 03:48:40,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:40,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:40,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 03:48:40,237 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:40,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:40,237 INFO L82 PathProgramCache]: Analyzing trace with hash 871123010, now seen corresponding path program 91 times [2021-03-26 03:48:40,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:40,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647637777] [2021-03-26 03:48:40,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:40,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:40,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:40,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:40,265 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:40,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:40,288 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:40,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:40,306 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647637777] [2021-03-26 03:48:40,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:40,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172492277] [2021-03-26 03:48:40,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:40,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:40,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:40,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:40,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 96 transitions, 3070 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:40,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:40,385 INFO L129 PetriNetUnfolder]: 0/262 cut-off events. [2021-03-26 03:48:40,385 INFO L130 PetriNetUnfolder]: For 6540/6540 co-relation queries the response was YES. [2021-03-26 03:48:40,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 262 events. 0/262 cut-off events. For 6540/6540 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2210 event pairs, 0 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 03:48:40,386 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 42 changer transitions 2/99 dead transitions. [2021-03-26 03:48:40,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 99 transitions, 3260 flow [2021-03-26 03:48:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:40,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:40,387 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:40,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,387 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,387 INFO L185 Difference]: Start difference. First operand has 233 places, 96 transitions, 3070 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:40,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 99 transitions, 3260 flow [2021-03-26 03:48:40,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 99 transitions, 3171 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:40,410 INFO L241 Difference]: Finished difference. Result has 234 places, 94 transitions, 2992 flow [2021-03-26 03:48:40,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2987, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2992, PETRI_PLACES=234, PETRI_TRANSITIONS=94} [2021-03-26 03:48:40,410 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 202 predicate places. [2021-03-26 03:48:40,410 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:40,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 94 transitions, 2992 flow [2021-03-26 03:48:40,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 94 transitions, 2992 flow [2021-03-26 03:48:40,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 229 places, 94 transitions, 2992 flow [2021-03-26 03:48:40,429 INFO L129 PetriNetUnfolder]: 0/256 cut-off events. [2021-03-26 03:48:40,429 INFO L130 PetriNetUnfolder]: For 6364/6364 co-relation queries the response was YES. [2021-03-26 03:48:40,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1901 conditions, 256 events. 0/256 cut-off events. For 6364/6364 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2160 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 03:48:40,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 134 [2021-03-26 03:48:40,434 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:40,435 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:40,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 03:48:40,435 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 94 transitions, 2992 flow [2021-03-26 03:48:40,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,435 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:40,435 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:40,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 03:48:40,435 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:40,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:40,436 INFO L82 PathProgramCache]: Analyzing trace with hash 719846108, now seen corresponding path program 92 times [2021-03-26 03:48:40,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:40,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968618146] [2021-03-26 03:48:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:40,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:40,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:40,456 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:40,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:40,478 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:40,495 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968618146] [2021-03-26 03:48:40,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:40,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736826005] [2021-03-26 03:48:40,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:40,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:40,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:40,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:40,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 94 transitions, 2992 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:40,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:40,593 INFO L129 PetriNetUnfolder]: 0/255 cut-off events. [2021-03-26 03:48:40,594 INFO L130 PetriNetUnfolder]: For 6470/6476 co-relation queries the response was YES. [2021-03-26 03:48:40,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2013 conditions, 255 events. 0/255 cut-off events. For 6470/6476 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2132 event pairs, 0 based on Foata normal form. 3/258 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 03:48:40,594 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 37 changer transitions 4/96 dead transitions. [2021-03-26 03:48:40,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 96 transitions, 3172 flow [2021-03-26 03:48:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:40,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:40,595 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:40,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:40,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:40,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:40,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,597 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,597 INFO L185 Difference]: Start difference. First operand has 229 places, 94 transitions, 2992 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:40,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 96 transitions, 3172 flow [2021-03-26 03:48:40,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 96 transitions, 3094 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:40,626 INFO L241 Difference]: Finished difference. Result has 231 places, 90 transitions, 2864 flow [2021-03-26 03:48:40,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2918, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2864, PETRI_PLACES=231, PETRI_TRANSITIONS=90} [2021-03-26 03:48:40,627 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 199 predicate places. [2021-03-26 03:48:40,627 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:40,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 90 transitions, 2864 flow [2021-03-26 03:48:40,627 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 90 transitions, 2864 flow [2021-03-26 03:48:40,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 226 places, 90 transitions, 2864 flow [2021-03-26 03:48:40,649 INFO L129 PetriNetUnfolder]: 0/246 cut-off events. [2021-03-26 03:48:40,649 INFO L130 PetriNetUnfolder]: For 5867/5869 co-relation queries the response was YES. [2021-03-26 03:48:40,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 246 events. 0/246 cut-off events. For 5867/5869 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2044 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-03-26 03:48:40,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-26 03:48:40,653 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:40,653 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:40,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-26 03:48:40,654 INFO L480 AbstractCegarLoop]: Abstraction has has 226 places, 90 transitions, 2864 flow [2021-03-26 03:48:40,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:40,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:40,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 03:48:40,654 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:40,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:40,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1761422176, now seen corresponding path program 93 times [2021-03-26 03:48:40,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:40,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686442924] [2021-03-26 03:48:40,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:40,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:40,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:40,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:40,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:40,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:40,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:40,698 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:40,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:40,712 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:40,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686442924] [2021-03-26 03:48:40,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:40,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405632905] [2021-03-26 03:48:40,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:40,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:40,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:40,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:40,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 90 transitions, 2864 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:40,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:40,791 INFO L129 PetriNetUnfolder]: 0/245 cut-off events. [2021-03-26 03:48:40,791 INFO L130 PetriNetUnfolder]: For 5931/5937 co-relation queries the response was YES. [2021-03-26 03:48:40,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 245 events. 0/245 cut-off events. For 5931/5937 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2023 event pairs, 0 based on Foata normal form. 3/248 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 03:48:40,791 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 41 selfloop transitions, 39 changer transitions 3/93 dead transitions. [2021-03-26 03:48:40,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 93 transitions, 3042 flow [2021-03-26 03:48:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 03:48:40,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 03:48:40,792 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:40,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 03:48:40,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,793 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,793 INFO L185 Difference]: Start difference. First operand has 226 places, 90 transitions, 2864 flow. Second operand 7 states and 307 transitions. [2021-03-26 03:48:40,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 93 transitions, 3042 flow [2021-03-26 03:48:40,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 93 transitions, 2935 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:40,814 INFO L241 Difference]: Finished difference. Result has 228 places, 87 transitions, 2739 flow [2021-03-26 03:48:40,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2763, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2739, PETRI_PLACES=228, PETRI_TRANSITIONS=87} [2021-03-26 03:48:40,814 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 196 predicate places. [2021-03-26 03:48:40,814 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:40,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 87 transitions, 2739 flow [2021-03-26 03:48:40,814 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 87 transitions, 2739 flow [2021-03-26 03:48:40,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 87 transitions, 2739 flow [2021-03-26 03:48:40,831 INFO L129 PetriNetUnfolder]: 0/237 cut-off events. [2021-03-26 03:48:40,831 INFO L130 PetriNetUnfolder]: For 5435/5435 co-relation queries the response was YES. [2021-03-26 03:48:40,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1763 conditions, 237 events. 0/237 cut-off events. For 5435/5435 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1938 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 0. Up to 28 conditions per place. [2021-03-26 03:48:40,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 118 [2021-03-26 03:48:40,836 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:40,836 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:40,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 03:48:40,837 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 87 transitions, 2739 flow [2021-03-26 03:48:40,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:40,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:40,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 03:48:40,837 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash 172773532, now seen corresponding path program 94 times [2021-03-26 03:48:40,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:40,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349151055] [2021-03-26 03:48:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:40,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:40,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:40,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:40,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:40,866 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:40,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:40,884 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:40,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:40,898 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:40,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349151055] [2021-03-26 03:48:40,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:40,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161021204] [2021-03-26 03:48:40,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:40,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:40,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:40,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:40,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 87 transitions, 2739 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:40,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:40,979 INFO L129 PetriNetUnfolder]: 0/236 cut-off events. [2021-03-26 03:48:40,979 INFO L130 PetriNetUnfolder]: For 5480/5480 co-relation queries the response was YES. [2021-03-26 03:48:40,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1866 conditions, 236 events. 0/236 cut-off events. For 5480/5480 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1909 event pairs, 0 based on Foata normal form. 1/237 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 03:48:40,980 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 41 selfloop transitions, 37 changer transitions 2/90 dead transitions. [2021-03-26 03:48:40,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 90 transitions, 2911 flow [2021-03-26 03:48:40,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:40,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:40,981 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:40,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:40,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:40,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:40,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,982 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,982 INFO L185 Difference]: Start difference. First operand has 220 places, 87 transitions, 2739 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:40,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 90 transitions, 2911 flow [2021-03-26 03:48:41,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 90 transitions, 2774 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-26 03:48:41,001 INFO L241 Difference]: Finished difference. Result has 219 places, 85 transitions, 2609 flow [2021-03-26 03:48:41,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2608, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2609, PETRI_PLACES=219, PETRI_TRANSITIONS=85} [2021-03-26 03:48:41,002 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 187 predicate places. [2021-03-26 03:48:41,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 85 transitions, 2609 flow [2021-03-26 03:48:41,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 85 transitions, 2609 flow [2021-03-26 03:48:41,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 85 transitions, 2609 flow [2021-03-26 03:48:41,019 INFO L129 PetriNetUnfolder]: 0/229 cut-off events. [2021-03-26 03:48:41,019 INFO L130 PetriNetUnfolder]: For 5077/5077 co-relation queries the response was YES. [2021-03-26 03:48:41,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 229 events. 0/229 cut-off events. For 5077/5077 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1852 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 0. Up to 27 conditions per place. [2021-03-26 03:48:41,020 INFO L142 LiptonReduction]: Number of co-enabled transitions 118 [2021-03-26 03:48:41,022 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:41,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:41,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 03:48:41,023 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 85 transitions, 2609 flow [2021-03-26 03:48:41,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:41,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:41,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 03:48:41,023 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:41,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1854915744, now seen corresponding path program 95 times [2021-03-26 03:48:41,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:41,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70579123] [2021-03-26 03:48:41,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:41,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:41,052 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:41,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:41,070 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:41,087 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:41,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:41,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70579123] [2021-03-26 03:48:41,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:41,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:41,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341237659] [2021-03-26 03:48:41,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:41,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:41,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:41,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:41,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 85 transitions, 2609 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:41,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:41,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,175 INFO L129 PetriNetUnfolder]: 0/228 cut-off events. [2021-03-26 03:48:41,175 INFO L130 PetriNetUnfolder]: For 5180/5186 co-relation queries the response was YES. [2021-03-26 03:48:41,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 228 events. 0/228 cut-off events. For 5180/5186 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1833 event pairs, 0 based on Foata normal form. 3/231 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 03:48:41,176 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 38 selfloop transitions, 36 changer transitions 4/88 dead transitions. [2021-03-26 03:48:41,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 88 transitions, 2777 flow [2021-03-26 03:48:41,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-03-26 03:48:41,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-03-26 03:48:41,177 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-03-26 03:48:41,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-03-26 03:48:41,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-03-26 03:48:41,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,178 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,178 INFO L185 Difference]: Start difference. First operand has 211 places, 85 transitions, 2609 flow. Second operand 7 states and 305 transitions. [2021-03-26 03:48:41,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 88 transitions, 2777 flow [2021-03-26 03:48:41,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 88 transitions, 2623 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-03-26 03:48:41,197 INFO L241 Difference]: Finished difference. Result has 208 places, 81 transitions, 2411 flow [2021-03-26 03:48:41,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2461, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2411, PETRI_PLACES=208, PETRI_TRANSITIONS=81} [2021-03-26 03:48:41,198 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 176 predicate places. [2021-03-26 03:48:41,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 81 transitions, 2411 flow [2021-03-26 03:48:41,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 81 transitions, 2411 flow [2021-03-26 03:48:41,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 81 transitions, 2411 flow [2021-03-26 03:48:41,213 INFO L129 PetriNetUnfolder]: 0/219 cut-off events. [2021-03-26 03:48:41,213 INFO L130 PetriNetUnfolder]: For 4629/4629 co-relation queries the response was YES. [2021-03-26 03:48:41,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 219 events. 0/219 cut-off events. For 4629/4629 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1744 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2021-03-26 03:48:41,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-26 03:48:41,217 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:41,217 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:41,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-26 03:48:41,217 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 81 transitions, 2411 flow [2021-03-26 03:48:41,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,217 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:41,217 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:41,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 03:48:41,217 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:41,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:41,217 INFO L82 PathProgramCache]: Analyzing trace with hash 732707168, now seen corresponding path program 96 times [2021-03-26 03:48:41,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:41,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263587664] [2021-03-26 03:48:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:41,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:41,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:41,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:41,252 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:41,269 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:41,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:41,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263587664] [2021-03-26 03:48:41,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:41,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:41,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099487860] [2021-03-26 03:48:41,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:41,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:41,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:41,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:41,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:41,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 81 transitions, 2411 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:41,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:41,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,351 INFO L129 PetriNetUnfolder]: 0/218 cut-off events. [2021-03-26 03:48:41,352 INFO L130 PetriNetUnfolder]: For 4731/4737 co-relation queries the response was YES. [2021-03-26 03:48:41,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 218 events. 0/218 cut-off events. For 4731/4737 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1726 event pairs, 0 based on Foata normal form. 3/221 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 03:48:41,352 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 21 changer transitions 2/85 dead transitions. [2021-03-26 03:48:41,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 85 transitions, 2621 flow [2021-03-26 03:48:41,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:41,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:41,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:41,353 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,354 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,354 INFO L185 Difference]: Start difference. First operand has 192 places, 81 transitions, 2411 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:41,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 85 transitions, 2621 flow [2021-03-26 03:48:41,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 85 transitions, 2304 flow, removed 11 selfloop flow, removed 18 redundant places. [2021-03-26 03:48:41,372 INFO L241 Difference]: Finished difference. Result has 182 places, 81 transitions, 2138 flow [2021-03-26 03:48:41,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2107, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2138, PETRI_PLACES=182, PETRI_TRANSITIONS=81} [2021-03-26 03:48:41,372 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 150 predicate places. [2021-03-26 03:48:41,372 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 81 transitions, 2138 flow [2021-03-26 03:48:41,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 81 transitions, 2138 flow [2021-03-26 03:48:41,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 81 transitions, 2138 flow [2021-03-26 03:48:41,385 INFO L129 PetriNetUnfolder]: 0/211 cut-off events. [2021-03-26 03:48:41,386 INFO L130 PetriNetUnfolder]: For 3173/3175 co-relation queries the response was YES. [2021-03-26 03:48:41,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1394 conditions, 211 events. 0/211 cut-off events. For 3173/3175 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1660 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-03-26 03:48:41,387 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-26 03:48:41,390 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:41,390 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:41,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 03:48:41,390 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 81 transitions, 2138 flow [2021-03-26 03:48:41,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:41,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:41,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 03:48:41,390 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:41,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:41,391 INFO L82 PathProgramCache]: Analyzing trace with hash 861745350, now seen corresponding path program 97 times [2021-03-26 03:48:41,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:41,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845109074] [2021-03-26 03:48:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:41,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:41,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:41,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:41,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:41,412 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:41,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:41,424 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:41,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:41,442 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:41,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:41,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845109074] [2021-03-26 03:48:41,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:41,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:41,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394732569] [2021-03-26 03:48:41,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:41,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:41,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:41,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:41,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 81 transitions, 2138 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:41,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:41,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,505 INFO L129 PetriNetUnfolder]: 0/210 cut-off events. [2021-03-26 03:48:41,505 INFO L130 PetriNetUnfolder]: For 3201/3201 co-relation queries the response was YES. [2021-03-26 03:48:41,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 210 events. 0/210 cut-off events. For 3201/3201 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1642 event pairs, 0 based on Foata normal form. 1/211 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 03:48:41,506 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 19 changer transitions 3/83 dead transitions. [2021-03-26 03:48:41,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 83 transitions, 2292 flow [2021-03-26 03:48:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:41,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:41,507 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,508 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,508 INFO L185 Difference]: Start difference. First operand has 181 places, 81 transitions, 2138 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:41,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 83 transitions, 2292 flow [2021-03-26 03:48:41,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 83 transitions, 2234 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:41,525 INFO L241 Difference]: Finished difference. Result has 184 places, 78 transitions, 2037 flow [2021-03-26 03:48:41,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2037, PETRI_PLACES=184, PETRI_TRANSITIONS=78} [2021-03-26 03:48:41,525 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 152 predicate places. [2021-03-26 03:48:41,525 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 78 transitions, 2037 flow [2021-03-26 03:48:41,525 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 78 transitions, 2037 flow [2021-03-26 03:48:41,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 78 transitions, 2037 flow [2021-03-26 03:48:41,538 INFO L129 PetriNetUnfolder]: 0/202 cut-off events. [2021-03-26 03:48:41,538 INFO L130 PetriNetUnfolder]: For 2954/2956 co-relation queries the response was YES. [2021-03-26 03:48:41,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1333 conditions, 202 events. 0/202 cut-off events. For 2954/2956 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1571 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-03-26 03:48:41,539 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-26 03:48:41,541 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:41,541 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:41,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 03:48:41,542 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 78 transitions, 2037 flow [2021-03-26 03:48:41,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:41,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:41,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 03:48:41,542 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:41,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:41,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2111508008, now seen corresponding path program 98 times [2021-03-26 03:48:41,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:41,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179466271] [2021-03-26 03:48:41,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:41,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:41,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:41,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:41,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:41,562 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:41,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:41,572 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:41,587 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:41,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:41,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179466271] [2021-03-26 03:48:41,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:41,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:41,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076437056] [2021-03-26 03:48:41,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:41,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:41,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:41,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:41,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:41,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 78 transitions, 2037 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:41,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:41,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,669 INFO L129 PetriNetUnfolder]: 0/201 cut-off events. [2021-03-26 03:48:41,669 INFO L130 PetriNetUnfolder]: For 2981/2981 co-relation queries the response was YES. [2021-03-26 03:48:41,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 201 events. 0/201 cut-off events. For 2981/2981 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1540 event pairs, 0 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 03:48:41,670 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 50 selfloop transitions, 18 changer transitions 2/80 dead transitions. [2021-03-26 03:48:41,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 80 transitions, 2185 flow [2021-03-26 03:48:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 03:48:41,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 03:48:41,674 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 03:48:41,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,675 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,675 INFO L185 Difference]: Start difference. First operand has 183 places, 78 transitions, 2037 flow. Second operand 7 states and 306 transitions. [2021-03-26 03:48:41,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 80 transitions, 2185 flow [2021-03-26 03:48:41,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 80 transitions, 2146 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:41,693 INFO L241 Difference]: Finished difference. Result has 186 places, 76 transitions, 1968 flow [2021-03-26 03:48:41,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2002, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1968, PETRI_PLACES=186, PETRI_TRANSITIONS=76} [2021-03-26 03:48:41,693 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 154 predicate places. [2021-03-26 03:48:41,693 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 76 transitions, 1968 flow [2021-03-26 03:48:41,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 76 transitions, 1968 flow [2021-03-26 03:48:41,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 76 transitions, 1968 flow [2021-03-26 03:48:41,711 INFO L129 PetriNetUnfolder]: 0/195 cut-off events. [2021-03-26 03:48:41,711 INFO L130 PetriNetUnfolder]: For 2846/2848 co-relation queries the response was YES. [2021-03-26 03:48:41,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1289 conditions, 195 events. 0/195 cut-off events. For 2846/2848 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1484 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2021-03-26 03:48:41,712 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 03:48:41,715 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:41,715 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:41,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 03:48:41,715 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 76 transitions, 1968 flow [2021-03-26 03:48:41,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:41,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:41,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 03:48:41,716 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:41,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:41,716 INFO L82 PathProgramCache]: Analyzing trace with hash -50720424, now seen corresponding path program 99 times [2021-03-26 03:48:41,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:41,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894749287] [2021-03-26 03:48:41,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:41,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:41,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:41,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:41,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:41,749 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:41,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:41,766 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:41,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:41,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894749287] [2021-03-26 03:48:41,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:41,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:41,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049477386] [2021-03-26 03:48:41,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:41,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:41,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:41,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:41,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:41,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 76 transitions, 1968 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:41,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:41,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,837 INFO L129 PetriNetUnfolder]: 0/194 cut-off events. [2021-03-26 03:48:41,838 INFO L130 PetriNetUnfolder]: For 2888/2894 co-relation queries the response was YES. [2021-03-26 03:48:41,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 194 events. 0/194 cut-off events. For 2888/2894 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1463 event pairs, 0 based on Foata normal form. 3/197 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 03:48:41,838 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 48 selfloop transitions, 16 changer transitions 3/77 dead transitions. [2021-03-26 03:48:41,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 77 transitions, 2106 flow [2021-03-26 03:48:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:41,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 304 transitions. [2021-03-26 03:48:41,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8194070080862533 [2021-03-26 03:48:41,839 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 304 transitions. [2021-03-26 03:48:41,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 304 transitions. [2021-03-26 03:48:41,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 304 transitions. [2021-03-26 03:48:41,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.42857142857143) internal successors, (304), 7 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,840 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,840 INFO L185 Difference]: Start difference. First operand has 184 places, 76 transitions, 1968 flow. Second operand 7 states and 304 transitions. [2021-03-26 03:48:41,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 77 transitions, 2106 flow [2021-03-26 03:48:41,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 77 transitions, 2011 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:41,862 INFO L241 Difference]: Finished difference. Result has 185 places, 73 transitions, 1823 flow [2021-03-26 03:48:41,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1875, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1823, PETRI_PLACES=185, PETRI_TRANSITIONS=73} [2021-03-26 03:48:41,862 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 153 predicate places. [2021-03-26 03:48:41,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 73 transitions, 1823 flow [2021-03-26 03:48:41,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 73 transitions, 1823 flow [2021-03-26 03:48:41,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 73 transitions, 1823 flow [2021-03-26 03:48:41,874 INFO L129 PetriNetUnfolder]: 0/186 cut-off events. [2021-03-26 03:48:41,874 INFO L130 PetriNetUnfolder]: For 2491/2493 co-relation queries the response was YES. [2021-03-26 03:48:41,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 186 events. 0/186 cut-off events. For 2491/2493 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1401 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-03-26 03:48:41,875 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-26 03:48:41,877 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:41,877 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:41,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 03:48:41,877 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 73 transitions, 1823 flow [2021-03-26 03:48:41,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:41,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:41,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 03:48:41,878 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:41,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:41,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1606447848, now seen corresponding path program 100 times [2021-03-26 03:48:41,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:41,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220832504] [2021-03-26 03:48:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:41,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:41,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:41,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:41,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:41,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:41,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:41,910 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:41,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:41,928 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:41,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:41,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220832504] [2021-03-26 03:48:41,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:41,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:41,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426730596] [2021-03-26 03:48:41,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:41,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:41,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:41,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:41,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:41,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 73 transitions, 1823 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:41,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:41,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,989 INFO L129 PetriNetUnfolder]: 0/185 cut-off events. [2021-03-26 03:48:41,989 INFO L130 PetriNetUnfolder]: For 2530/2535 co-relation queries the response was YES. [2021-03-26 03:48:41,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 185 events. 0/185 cut-off events. For 2530/2535 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1370 event pairs, 0 based on Foata normal form. 3/188 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 03:48:41,989 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 13 changer transitions 5/73 dead transitions. [2021-03-26 03:48:41,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 73 transitions, 1949 flow [2021-03-26 03:48:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 03:48:41,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 03:48:41,990 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 03:48:41,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 03:48:41,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 03:48:41,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,991 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,991 INFO L185 Difference]: Start difference. First operand has 181 places, 73 transitions, 1823 flow. Second operand 7 states and 301 transitions. [2021-03-26 03:48:41,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 73 transitions, 1949 flow [2021-03-26 03:48:42,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 73 transitions, 1887 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:42,002 INFO L241 Difference]: Finished difference. Result has 181 places, 68 transitions, 1681 flow [2021-03-26 03:48:42,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1761, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1681, PETRI_PLACES=181, PETRI_TRANSITIONS=68} [2021-03-26 03:48:42,002 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 149 predicate places. [2021-03-26 03:48:42,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 68 transitions, 1681 flow [2021-03-26 03:48:42,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 68 transitions, 1681 flow [2021-03-26 03:48:42,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 68 transitions, 1681 flow [2021-03-26 03:48:42,015 INFO L129 PetriNetUnfolder]: 0/175 cut-off events. [2021-03-26 03:48:42,015 INFO L130 PetriNetUnfolder]: For 2269/2269 co-relation queries the response was YES. [2021-03-26 03:48:42,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 175 events. 0/175 cut-off events. For 2269/2269 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1303 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-03-26 03:48:42,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-26 03:48:42,018 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,019 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 03:48:42,019 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 68 transitions, 1681 flow [2021-03-26 03:48:42,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 03:48:42,019 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,020 INFO L82 PathProgramCache]: Analyzing trace with hash 510966206, now seen corresponding path program 101 times [2021-03-26 03:48:42,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665880403] [2021-03-26 03:48:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:42,038 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:42,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:42,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:42,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:42,068 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665880403] [2021-03-26 03:48:42,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:42,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062102901] [2021-03-26 03:48:42,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:42,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:42,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:42,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:42,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 68 transitions, 1681 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:42,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,151 INFO L129 PetriNetUnfolder]: 0/174 cut-off events. [2021-03-26 03:48:42,151 INFO L130 PetriNetUnfolder]: For 2291/2291 co-relation queries the response was YES. [2021-03-26 03:48:42,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 174 events. 0/174 cut-off events. For 2291/2291 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1271 event pairs, 0 based on Foata normal form. 1/175 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-03-26 03:48:42,151 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 33 selfloop transitions, 25 changer transitions 2/70 dead transitions. [2021-03-26 03:48:42,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 70 transitions, 1809 flow [2021-03-26 03:48:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:42,152 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:42,152 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,153 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,153 INFO L185 Difference]: Start difference. First operand has 169 places, 68 transitions, 1681 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:42,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 70 transitions, 1809 flow [2021-03-26 03:48:42,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 70 transitions, 1728 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 03:48:42,167 INFO L241 Difference]: Finished difference. Result has 168 places, 66 transitions, 1598 flow [2021-03-26 03:48:42,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1598, PETRI_PLACES=168, PETRI_TRANSITIONS=66} [2021-03-26 03:48:42,167 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 136 predicate places. [2021-03-26 03:48:42,167 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 66 transitions, 1598 flow [2021-03-26 03:48:42,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 66 transitions, 1598 flow [2021-03-26 03:48:42,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 66 transitions, 1598 flow [2021-03-26 03:48:42,181 INFO L129 PetriNetUnfolder]: 0/167 cut-off events. [2021-03-26 03:48:42,181 INFO L130 PetriNetUnfolder]: For 1966/1966 co-relation queries the response was YES. [2021-03-26 03:48:42,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 167 events. 0/167 cut-off events. For 1966/1966 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1210 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-03-26 03:48:42,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-26 03:48:42,185 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,185 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 03:48:42,185 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 66 transitions, 1598 flow [2021-03-26 03:48:42,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 03:48:42,186 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,186 INFO L82 PathProgramCache]: Analyzing trace with hash 786354720, now seen corresponding path program 102 times [2021-03-26 03:48:42,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098434321] [2021-03-26 03:48:42,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,206 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:42,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:42,218 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:42,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:42,235 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098434321] [2021-03-26 03:48:42,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:42,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79003630] [2021-03-26 03:48:42,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:42,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:42,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:42,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:42,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 66 transitions, 1598 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:42,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,319 INFO L129 PetriNetUnfolder]: 0/166 cut-off events. [2021-03-26 03:48:42,319 INFO L130 PetriNetUnfolder]: For 1986/1986 co-relation queries the response was YES. [2021-03-26 03:48:42,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 166 events. 0/166 cut-off events. For 1986/1986 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1187 event pairs, 0 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2021-03-26 03:48:42,320 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 31 selfloop transitions, 24 changer transitions 3/68 dead transitions. [2021-03-26 03:48:42,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 68 transitions, 1722 flow [2021-03-26 03:48:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:42,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:42,321 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,322 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,322 INFO L185 Difference]: Start difference. First operand has 166 places, 66 transitions, 1598 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:42,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 68 transitions, 1722 flow [2021-03-26 03:48:42,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 68 transitions, 1658 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:42,335 INFO L241 Difference]: Finished difference. Result has 167 places, 63 transitions, 1506 flow [2021-03-26 03:48:42,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1506, PETRI_PLACES=167, PETRI_TRANSITIONS=63} [2021-03-26 03:48:42,335 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 135 predicate places. [2021-03-26 03:48:42,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 63 transitions, 1506 flow [2021-03-26 03:48:42,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 63 transitions, 1506 flow [2021-03-26 03:48:42,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 63 transitions, 1506 flow [2021-03-26 03:48:42,345 INFO L129 PetriNetUnfolder]: 0/158 cut-off events. [2021-03-26 03:48:42,345 INFO L130 PetriNetUnfolder]: For 1853/1853 co-relation queries the response was YES. [2021-03-26 03:48:42,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 158 events. 0/158 cut-off events. For 1853/1853 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1125 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-03-26 03:48:42,346 INFO L142 LiptonReduction]: Number of co-enabled transitions 82 [2021-03-26 03:48:42,347 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,348 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 03:48:42,348 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 63 transitions, 1506 flow [2021-03-26 03:48:42,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 03:48:42,348 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1166928160, now seen corresponding path program 103 times [2021-03-26 03:48:42,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329276185] [2021-03-26 03:48:42,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,370 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:42,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:42,383 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:42,402 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329276185] [2021-03-26 03:48:42,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:42,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247329862] [2021-03-26 03:48:42,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:42,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:42,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:42,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:42,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 63 transitions, 1506 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:42,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,471 INFO L129 PetriNetUnfolder]: 0/157 cut-off events. [2021-03-26 03:48:42,471 INFO L130 PetriNetUnfolder]: For 1872/1872 co-relation queries the response was YES. [2021-03-26 03:48:42,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 157 events. 0/157 cut-off events. For 1872/1872 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1096 event pairs, 0 based on Foata normal form. 1/158 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 03:48:42,471 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 25 changer transitions 2/65 dead transitions. [2021-03-26 03:48:42,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 65 transitions, 1624 flow [2021-03-26 03:48:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:42,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:42,472 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,473 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,473 INFO L185 Difference]: Start difference. First operand has 165 places, 63 transitions, 1506 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:42,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 65 transitions, 1624 flow [2021-03-26 03:48:42,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 65 transitions, 1562 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:42,485 INFO L241 Difference]: Finished difference. Result has 166 places, 61 transitions, 1443 flow [2021-03-26 03:48:42,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1443, PETRI_PLACES=166, PETRI_TRANSITIONS=61} [2021-03-26 03:48:42,485 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 134 predicate places. [2021-03-26 03:48:42,485 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 61 transitions, 1443 flow [2021-03-26 03:48:42,485 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 61 transitions, 1443 flow [2021-03-26 03:48:42,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 61 transitions, 1443 flow [2021-03-26 03:48:42,494 INFO L129 PetriNetUnfolder]: 0/150 cut-off events. [2021-03-26 03:48:42,494 INFO L130 PetriNetUnfolder]: For 1778/1778 co-relation queries the response was YES. [2021-03-26 03:48:42,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 150 events. 0/150 cut-off events. For 1778/1778 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1027 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2021-03-26 03:48:42,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 82 [2021-03-26 03:48:42,496 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,496 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 03:48:42,497 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 61 transitions, 1443 flow [2021-03-26 03:48:42,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 03:48:42,497 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1037889978, now seen corresponding path program 104 times [2021-03-26 03:48:42,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37938168] [2021-03-26 03:48:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,519 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:42,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:42,531 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:42,549 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37938168] [2021-03-26 03:48:42,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:42,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045028536] [2021-03-26 03:48:42,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:42,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:42,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:42,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:42,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 61 transitions, 1443 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:42,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,617 INFO L129 PetriNetUnfolder]: 0/149 cut-off events. [2021-03-26 03:48:42,617 INFO L130 PetriNetUnfolder]: For 1796/1796 co-relation queries the response was YES. [2021-03-26 03:48:42,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 149 events. 0/149 cut-off events. For 1796/1796 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1006 event pairs, 0 based on Foata normal form. 1/150 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2021-03-26 03:48:42,617 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 23 changer transitions 2/63 dead transitions. [2021-03-26 03:48:42,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 63 transitions, 1557 flow [2021-03-26 03:48:42,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:42,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:42,618 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,619 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,619 INFO L185 Difference]: Start difference. First operand has 164 places, 61 transitions, 1443 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:42,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 63 transitions, 1557 flow [2021-03-26 03:48:42,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 63 transitions, 1492 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:42,626 INFO L241 Difference]: Finished difference. Result has 165 places, 59 transitions, 1373 flow [2021-03-26 03:48:42,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1382, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1373, PETRI_PLACES=165, PETRI_TRANSITIONS=59} [2021-03-26 03:48:42,627 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 133 predicate places. [2021-03-26 03:48:42,627 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 59 transitions, 1373 flow [2021-03-26 03:48:42,627 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 59 transitions, 1373 flow [2021-03-26 03:48:42,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 59 transitions, 1373 flow [2021-03-26 03:48:42,635 INFO L129 PetriNetUnfolder]: 0/142 cut-off events. [2021-03-26 03:48:42,635 INFO L130 PetriNetUnfolder]: For 1690/1690 co-relation queries the response was YES. [2021-03-26 03:48:42,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 142 events. 0/142 cut-off events. For 1690/1690 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 950 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 03:48:42,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-26 03:48:42,637 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,637 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 03:48:42,638 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 59 transitions, 1373 flow [2021-03-26 03:48:42,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 03:48:42,638 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1495311042, now seen corresponding path program 105 times [2021-03-26 03:48:42,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379843096] [2021-03-26 03:48:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:42,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:42,680 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:42,697 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379843096] [2021-03-26 03:48:42,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:42,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100712782] [2021-03-26 03:48:42,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:42,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:42,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:42,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:42,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 59 transitions, 1373 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:42,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,766 INFO L129 PetriNetUnfolder]: 0/141 cut-off events. [2021-03-26 03:48:42,766 INFO L130 PetriNetUnfolder]: For 1707/1707 co-relation queries the response was YES. [2021-03-26 03:48:42,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 141 events. 0/141 cut-off events. For 1707/1707 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 917 event pairs, 0 based on Foata normal form. 1/142 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 03:48:42,767 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 26 selfloop transitions, 22 changer transitions 3/61 dead transitions. [2021-03-26 03:48:42,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 61 transitions, 1483 flow [2021-03-26 03:48:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:42,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:42,768 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,769 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,769 INFO L185 Difference]: Start difference. First operand has 163 places, 59 transitions, 1373 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:42,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 61 transitions, 1483 flow [2021-03-26 03:48:42,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 61 transitions, 1424 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:42,779 INFO L241 Difference]: Finished difference. Result has 164 places, 56 transitions, 1286 flow [2021-03-26 03:48:42,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1286, PETRI_PLACES=164, PETRI_TRANSITIONS=56} [2021-03-26 03:48:42,779 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 132 predicate places. [2021-03-26 03:48:42,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 56 transitions, 1286 flow [2021-03-26 03:48:42,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 56 transitions, 1286 flow [2021-03-26 03:48:42,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 56 transitions, 1286 flow [2021-03-26 03:48:42,790 INFO L129 PetriNetUnfolder]: 0/133 cut-off events. [2021-03-26 03:48:42,790 INFO L130 PetriNetUnfolder]: For 1611/1611 co-relation queries the response was YES. [2021-03-26 03:48:42,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 133 events. 0/133 cut-off events. For 1611/1611 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 857 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2021-03-26 03:48:42,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-26 03:48:42,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 03:48:42,794 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 56 transitions, 1286 flow [2021-03-26 03:48:42,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 03:48:42,794 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1911630658, now seen corresponding path program 106 times [2021-03-26 03:48:42,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889464244] [2021-03-26 03:48:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:42,832 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:42,849 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889464244] [2021-03-26 03:48:42,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:42,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850482296] [2021-03-26 03:48:42,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:42,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:42,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:42,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:42,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 56 transitions, 1286 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:42,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,913 INFO L129 PetriNetUnfolder]: 0/132 cut-off events. [2021-03-26 03:48:42,913 INFO L130 PetriNetUnfolder]: For 1627/1627 co-relation queries the response was YES. [2021-03-26 03:48:42,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 132 events. 0/132 cut-off events. For 1627/1627 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 838 event pairs, 0 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-03-26 03:48:42,914 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 20 changer transitions 3/58 dead transitions. [2021-03-26 03:48:42,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 58 transitions, 1390 flow [2021-03-26 03:48:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:42,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:42,915 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:42,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,916 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,916 INFO L185 Difference]: Start difference. First operand has 162 places, 56 transitions, 1286 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:42,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 58 transitions, 1390 flow [2021-03-26 03:48:42,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 58 transitions, 1333 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:42,924 INFO L241 Difference]: Finished difference. Result has 163 places, 53 transitions, 1201 flow [2021-03-26 03:48:42,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1233, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1201, PETRI_PLACES=163, PETRI_TRANSITIONS=53} [2021-03-26 03:48:42,924 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 131 predicate places. [2021-03-26 03:48:42,925 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:42,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 53 transitions, 1201 flow [2021-03-26 03:48:42,925 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 53 transitions, 1201 flow [2021-03-26 03:48:42,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 53 transitions, 1201 flow [2021-03-26 03:48:42,935 INFO L129 PetriNetUnfolder]: 0/124 cut-off events. [2021-03-26 03:48:42,935 INFO L130 PetriNetUnfolder]: For 1508/1508 co-relation queries the response was YES. [2021-03-26 03:48:42,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 124 events. 0/124 cut-off events. For 1508/1508 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 778 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-03-26 03:48:42,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-26 03:48:42,938 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,938 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,938 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 03:48:42,938 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 53 transitions, 1201 flow [2021-03-26 03:48:42,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,938 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 03:48:42,939 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,939 INFO L82 PathProgramCache]: Analyzing trace with hash -562119174, now seen corresponding path program 107 times [2021-03-26 03:48:42,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941908154] [2021-03-26 03:48:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,959 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:42,972 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:42,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:42,989 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:42,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941908154] [2021-03-26 03:48:43,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182361439] [2021-03-26 03:48:43,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 53 transitions, 1201 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,065 INFO L129 PetriNetUnfolder]: 0/123 cut-off events. [2021-03-26 03:48:43,065 INFO L130 PetriNetUnfolder]: For 1523/1523 co-relation queries the response was YES. [2021-03-26 03:48:43,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 123 events. 0/123 cut-off events. For 1523/1523 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 763 event pairs, 0 based on Foata normal form. 1/124 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-03-26 03:48:43,065 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 19 changer transitions 4/55 dead transitions. [2021-03-26 03:48:43,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 55 transitions, 1299 flow [2021-03-26 03:48:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:43,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:43,066 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,067 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,067 INFO L185 Difference]: Start difference. First operand has 161 places, 53 transitions, 1201 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:43,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 55 transitions, 1299 flow [2021-03-26 03:48:43,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 55 transitions, 1229 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:43,077 INFO L241 Difference]: Finished difference. Result has 161 places, 49 transitions, 1084 flow [2021-03-26 03:48:43,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1084, PETRI_PLACES=161, PETRI_TRANSITIONS=49} [2021-03-26 03:48:43,077 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 129 predicate places. [2021-03-26 03:48:43,077 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 49 transitions, 1084 flow [2021-03-26 03:48:43,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 49 transitions, 1084 flow [2021-03-26 03:48:43,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 49 transitions, 1084 flow [2021-03-26 03:48:43,086 INFO L129 PetriNetUnfolder]: 0/114 cut-off events. [2021-03-26 03:48:43,087 INFO L130 PetriNetUnfolder]: For 1380/1380 co-relation queries the response was YES. [2021-03-26 03:48:43,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 114 events. 0/114 cut-off events. For 1380/1380 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 692 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2021-03-26 03:48:43,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 03:48:43,089 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,089 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 03:48:43,089 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 49 transitions, 1084 flow [2021-03-26 03:48:43,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,090 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 03:48:43,090 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1145064548, now seen corresponding path program 108 times [2021-03-26 03:48:43,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828649724] [2021-03-26 03:48:43,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:43,120 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:43,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:43,134 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828649724] [2021-03-26 03:48:43,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744627889] [2021-03-26 03:48:43,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 49 transitions, 1084 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,199 INFO L129 PetriNetUnfolder]: 0/113 cut-off events. [2021-03-26 03:48:43,199 INFO L130 PetriNetUnfolder]: For 1394/1394 co-relation queries the response was YES. [2021-03-26 03:48:43,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 113 events. 0/113 cut-off events. For 1394/1394 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 678 event pairs, 0 based on Foata normal form. 1/114 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2021-03-26 03:48:43,199 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 23 selfloop transitions, 16 changer transitions 2/51 dead transitions. [2021-03-26 03:48:43,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 51 transitions, 1174 flow [2021-03-26 03:48:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:43,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:43,200 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,201 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,201 INFO L185 Difference]: Start difference. First operand has 156 places, 49 transitions, 1084 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:43,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 51 transitions, 1174 flow [2021-03-26 03:48:43,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 51 transitions, 1084 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-26 03:48:43,207 INFO L241 Difference]: Finished difference. Result has 154 places, 47 transitions, 973 flow [2021-03-26 03:48:43,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=973, PETRI_PLACES=154, PETRI_TRANSITIONS=47} [2021-03-26 03:48:43,207 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 122 predicate places. [2021-03-26 03:48:43,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 47 transitions, 973 flow [2021-03-26 03:48:43,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 47 transitions, 973 flow [2021-03-26 03:48:43,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 47 transitions, 973 flow [2021-03-26 03:48:43,214 INFO L129 PetriNetUnfolder]: 0/107 cut-off events. [2021-03-26 03:48:43,214 INFO L130 PetriNetUnfolder]: For 1206/1206 co-relation queries the response was YES. [2021-03-26 03:48:43,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 107 events. 0/107 cut-off events. For 1206/1206 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 634 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2021-03-26 03:48:43,215 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 03:48:43,216 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,216 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 03:48:43,216 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 47 transitions, 973 flow [2021-03-26 03:48:43,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 03:48:43,217 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2054953756, now seen corresponding path program 109 times [2021-03-26 03:48:43,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69589788] [2021-03-26 03:48:43,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,241 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:43,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:43,253 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:43,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:43,270 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69589788] [2021-03-26 03:48:43,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515797861] [2021-03-26 03:48:43,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 47 transitions, 973 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,328 INFO L129 PetriNetUnfolder]: 0/106 cut-off events. [2021-03-26 03:48:43,328 INFO L130 PetriNetUnfolder]: For 1219/1219 co-relation queries the response was YES. [2021-03-26 03:48:43,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 106 events. 0/106 cut-off events. For 1219/1219 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 616 event pairs, 0 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-03-26 03:48:43,328 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 18 selfloop transitions, 18 changer transitions 3/49 dead transitions. [2021-03-26 03:48:43,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 49 transitions, 1059 flow [2021-03-26 03:48:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 03:48:43,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 03:48:43,329 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,330 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,330 INFO L185 Difference]: Start difference. First operand has 152 places, 47 transitions, 973 flow. Second operand 7 states and 301 transitions. [2021-03-26 03:48:43,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 49 transitions, 1059 flow [2021-03-26 03:48:43,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 49 transitions, 1004 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:43,338 INFO L241 Difference]: Finished difference. Result has 152 places, 44 transitions, 895 flow [2021-03-26 03:48:43,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=895, PETRI_PLACES=152, PETRI_TRANSITIONS=44} [2021-03-26 03:48:43,338 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 120 predicate places. [2021-03-26 03:48:43,338 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 44 transitions, 895 flow [2021-03-26 03:48:43,338 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 44 transitions, 895 flow [2021-03-26 03:48:43,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 44 transitions, 895 flow [2021-03-26 03:48:43,346 INFO L129 PetriNetUnfolder]: 0/98 cut-off events. [2021-03-26 03:48:43,346 INFO L130 PetriNetUnfolder]: For 1111/1111 co-relation queries the response was YES. [2021-03-26 03:48:43,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 98 events. 0/98 cut-off events. For 1111/1111 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 560 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-03-26 03:48:43,347 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 03:48:43,348 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,348 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 03:48:43,349 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 44 transitions, 895 flow [2021-03-26 03:48:43,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 03:48:43,349 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2000371202, now seen corresponding path program 110 times [2021-03-26 03:48:43,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43016192] [2021-03-26 03:48:43,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:43,380 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:43,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:43,397 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43016192] [2021-03-26 03:48:43,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41646243] [2021-03-26 03:48:43,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 44 transitions, 895 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,467 INFO L129 PetriNetUnfolder]: 0/97 cut-off events. [2021-03-26 03:48:43,467 INFO L130 PetriNetUnfolder]: For 1123/1123 co-relation queries the response was YES. [2021-03-26 03:48:43,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 97 events. 0/97 cut-off events. For 1123/1123 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 533 event pairs, 0 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-03-26 03:48:43,468 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 19 selfloop transitions, 13 changer transitions 4/46 dead transitions. [2021-03-26 03:48:43,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 46 transitions, 975 flow [2021-03-26 03:48:43,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 03:48:43,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 03:48:43,469 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,470 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,470 INFO L185 Difference]: Start difference. First operand has 141 places, 44 transitions, 895 flow. Second operand 7 states and 301 transitions. [2021-03-26 03:48:43,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 46 transitions, 975 flow [2021-03-26 03:48:43,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 46 transitions, 882 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-03-26 03:48:43,476 INFO L241 Difference]: Finished difference. Result has 139 places, 40 transitions, 751 flow [2021-03-26 03:48:43,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=751, PETRI_PLACES=139, PETRI_TRANSITIONS=40} [2021-03-26 03:48:43,477 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 107 predicate places. [2021-03-26 03:48:43,477 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 40 transitions, 751 flow [2021-03-26 03:48:43,477 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 40 transitions, 751 flow [2021-03-26 03:48:43,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 40 transitions, 751 flow [2021-03-26 03:48:43,483 INFO L129 PetriNetUnfolder]: 0/88 cut-off events. [2021-03-26 03:48:43,483 INFO L130 PetriNetUnfolder]: For 876/876 co-relation queries the response was YES. [2021-03-26 03:48:43,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 88 events. 0/88 cut-off events. For 876/876 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 475 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2021-03-26 03:48:43,484 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 03:48:43,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 03:48:43,486 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 40 transitions, 751 flow [2021-03-26 03:48:43,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 03:48:43,486 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash 10976492, now seen corresponding path program 111 times [2021-03-26 03:48:43,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925279227] [2021-03-26 03:48:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:43,527 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:43,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:43,544 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925279227] [2021-03-26 03:48:43,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539246669] [2021-03-26 03:48:43,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 40 transitions, 751 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,612 INFO L129 PetriNetUnfolder]: 0/87 cut-off events. [2021-03-26 03:48:43,612 INFO L130 PetriNetUnfolder]: For 887/887 co-relation queries the response was YES. [2021-03-26 03:48:43,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 87 events. 0/87 cut-off events. For 887/887 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 457 event pairs, 0 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-03-26 03:48:43,612 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 15 selfloop transitions, 14 changer transitions 3/42 dead transitions. [2021-03-26 03:48:43,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 42 transitions, 823 flow [2021-03-26 03:48:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:43,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:43,613 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,614 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,614 INFO L185 Difference]: Start difference. First operand has 134 places, 40 transitions, 751 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:43,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 42 transitions, 823 flow [2021-03-26 03:48:43,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 42 transitions, 759 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-03-26 03:48:43,618 INFO L241 Difference]: Finished difference. Result has 132 places, 37 transitions, 652 flow [2021-03-26 03:48:43,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=652, PETRI_PLACES=132, PETRI_TRANSITIONS=37} [2021-03-26 03:48:43,618 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 100 predicate places. [2021-03-26 03:48:43,618 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 37 transitions, 652 flow [2021-03-26 03:48:43,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 37 transitions, 652 flow [2021-03-26 03:48:43,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 37 transitions, 652 flow [2021-03-26 03:48:43,623 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-03-26 03:48:43,623 INFO L130 PetriNetUnfolder]: For 733/733 co-relation queries the response was YES. [2021-03-26 03:48:43,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 79 events. 0/79 cut-off events. For 733/733 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 394 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-03-26 03:48:43,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 03:48:43,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 03:48:43,625 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 37 transitions, 652 flow [2021-03-26 03:48:43,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 03:48:43,625 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,625 INFO L82 PathProgramCache]: Analyzing trace with hash 916354016, now seen corresponding path program 112 times [2021-03-26 03:48:43,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222403103] [2021-03-26 03:48:43,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:43,674 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:43,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:43,691 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222403103] [2021-03-26 03:48:43,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155236215] [2021-03-26 03:48:43,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 37 transitions, 652 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,763 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-03-26 03:48:43,763 INFO L130 PetriNetUnfolder]: For 743/743 co-relation queries the response was YES. [2021-03-26 03:48:43,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 78 events. 0/78 cut-off events. For 743/743 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 378 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 03:48:43,763 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 16 selfloop transitions, 11 changer transitions 2/39 dead transitions. [2021-03-26 03:48:43,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 39 transitions, 718 flow [2021-03-26 03:48:43,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:43,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:43,764 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:43,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,765 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,765 INFO L185 Difference]: Start difference. First operand has 127 places, 37 transitions, 652 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:43,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 39 transitions, 718 flow [2021-03-26 03:48:43,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 39 transitions, 672 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:43,770 INFO L241 Difference]: Finished difference. Result has 127 places, 35 transitions, 578 flow [2021-03-26 03:48:43,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=578, PETRI_PLACES=127, PETRI_TRANSITIONS=35} [2021-03-26 03:48:43,770 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 95 predicate places. [2021-03-26 03:48:43,770 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 35 transitions, 578 flow [2021-03-26 03:48:43,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 35 transitions, 578 flow [2021-03-26 03:48:43,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 35 transitions, 578 flow [2021-03-26 03:48:43,776 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-03-26 03:48:43,776 INFO L130 PetriNetUnfolder]: For 610/610 co-relation queries the response was YES. [2021-03-26 03:48:43,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 73 events. 0/73 cut-off events. For 610/610 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 339 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-03-26 03:48:43,776 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-26 03:48:43,777 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 03:48:43,778 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 35 transitions, 578 flow [2021-03-26 03:48:43,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 03:48:43,778 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1305180812, now seen corresponding path program 113 times [2021-03-26 03:48:43,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328466208] [2021-03-26 03:48:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:43,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:43,810 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:43,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:43,832 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328466208] [2021-03-26 03:48:43,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832217284] [2021-03-26 03:48:43,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 35 transitions, 578 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:43,896 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-03-26 03:48:43,896 INFO L130 PetriNetUnfolder]: For 619/619 co-relation queries the response was YES. [2021-03-26 03:48:43,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 72 events. 0/72 cut-off events. For 619/619 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 326 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 03:48:43,896 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 10 changer transitions 3/37 dead transitions. [2021-03-26 03:48:43,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 37 transitions, 640 flow [2021-03-26 03:48:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 03:48:43,897 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 03:48:43,897 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:43,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 03:48:43,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,897 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,897 INFO L185 Difference]: Start difference. First operand has 125 places, 35 transitions, 578 flow. Second operand 7 states and 301 transitions. [2021-03-26 03:48:43,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 37 transitions, 640 flow [2021-03-26 03:48:43,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 37 transitions, 593 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-03-26 03:48:43,900 INFO L241 Difference]: Finished difference. Result has 124 places, 32 transitions, 489 flow [2021-03-26 03:48:43,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=489, PETRI_PLACES=124, PETRI_TRANSITIONS=32} [2021-03-26 03:48:43,901 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 92 predicate places. [2021-03-26 03:48:43,901 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 32 transitions, 489 flow [2021-03-26 03:48:43,901 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 32 transitions, 489 flow [2021-03-26 03:48:43,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 32 transitions, 489 flow [2021-03-26 03:48:43,904 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-03-26 03:48:43,905 INFO L130 PetriNetUnfolder]: For 463/463 co-relation queries the response was YES. [2021-03-26 03:48:43,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 64 events. 0/64 cut-off events. For 463/463 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 263 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-03-26 03:48:43,905 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 03:48:43,905 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,905 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 03:48:43,906 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 32 transitions, 489 flow [2021-03-26 03:48:43,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 03:48:43,906 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,906 INFO L82 PathProgramCache]: Analyzing trace with hash -573050980, now seen corresponding path program 114 times [2021-03-26 03:48:43,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474720251] [2021-03-26 03:48:43,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:43,931 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:43,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:43,969 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:43,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474720251] [2021-03-26 03:48:43,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:43,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720520989] [2021-03-26 03:48:43,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:43,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:43,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:43,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:43,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 32 transitions, 489 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:43,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,030 INFO L129 PetriNetUnfolder]: 0/63 cut-off events. [2021-03-26 03:48:44,030 INFO L130 PetriNetUnfolder]: For 471/471 co-relation queries the response was YES. [2021-03-26 03:48:44,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 63 events. 0/63 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 261 event pairs, 0 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-03-26 03:48:44,030 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 11 selfloop transitions, 11 changer transitions 2/34 dead transitions. [2021-03-26 03:48:44,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 34 transitions, 545 flow [2021-03-26 03:48:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 03:48:44,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 03:48:44,031 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 03:48:44,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 03:48:44,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 03:48:44,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,032 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,032 INFO L185 Difference]: Start difference. First operand has 116 places, 32 transitions, 489 flow. Second operand 7 states and 301 transitions. [2021-03-26 03:48:44,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 34 transitions, 545 flow [2021-03-26 03:48:44,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 34 transitions, 477 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-03-26 03:48:44,034 INFO L241 Difference]: Finished difference. Result has 112 places, 30 transitions, 409 flow [2021-03-26 03:48:44,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=409, PETRI_PLACES=112, PETRI_TRANSITIONS=30} [2021-03-26 03:48:44,034 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 80 predicate places. [2021-03-26 03:48:44,034 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 30 transitions, 409 flow [2021-03-26 03:48:44,035 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 30 transitions, 409 flow [2021-03-26 03:48:44,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 30 transitions, 409 flow [2021-03-26 03:48:44,039 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-03-26 03:48:44,039 INFO L130 PetriNetUnfolder]: For 329/329 co-relation queries the response was YES. [2021-03-26 03:48:44,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 56 events. 0/56 cut-off events. For 329/329 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 215 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 03:48:44,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 36 [2021-03-26 03:48:44,041 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,041 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 03:48:44,041 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 30 transitions, 409 flow [2021-03-26 03:48:44,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,041 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 03:48:44,041 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,042 INFO L82 PathProgramCache]: Analyzing trace with hash 716048202, now seen corresponding path program 115 times [2021-03-26 03:48:44,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951166682] [2021-03-26 03:48:44,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:44,073 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:44,090 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951166682] [2021-03-26 03:48:44,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:44,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866531756] [2021-03-26 03:48:44,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:44,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:44,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:44,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:44,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 30 transitions, 409 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:44,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,156 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-03-26 03:48:44,157 INFO L130 PetriNetUnfolder]: For 336/336 co-relation queries the response was YES. [2021-03-26 03:48:44,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 55 events. 0/55 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 201 event pairs, 0 based on Foata normal form. 1/56 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-03-26 03:48:44,157 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 12 selfloop transitions, 8 changer transitions 2/32 dead transitions. [2021-03-26 03:48:44,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 32 transitions, 461 flow [2021-03-26 03:48:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 03:48:44,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 03:48:44,158 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 03:48:44,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 03:48:44,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 03:48:44,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,159 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,159 INFO L185 Difference]: Start difference. First operand has 104 places, 30 transitions, 409 flow. Second operand 7 states and 302 transitions. [2021-03-26 03:48:44,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 32 transitions, 461 flow [2021-03-26 03:48:44,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 32 transitions, 427 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 03:48:44,161 INFO L241 Difference]: Finished difference. Result has 104 places, 28 transitions, 351 flow [2021-03-26 03:48:44,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=351, PETRI_PLACES=104, PETRI_TRANSITIONS=28} [2021-03-26 03:48:44,162 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 72 predicate places. [2021-03-26 03:48:44,162 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,162 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 28 transitions, 351 flow [2021-03-26 03:48:44,162 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 28 transitions, 351 flow [2021-03-26 03:48:44,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 28 transitions, 351 flow [2021-03-26 03:48:44,165 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-03-26 03:48:44,165 INFO L130 PetriNetUnfolder]: For 266/266 co-relation queries the response was YES. [2021-03-26 03:48:44,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 49 events. 0/49 cut-off events. For 266/266 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 160 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-03-26 03:48:44,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-26 03:48:44,167 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,167 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,167 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 03:48:44,167 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 28 transitions, 351 flow [2021-03-26 03:48:44,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 03:48:44,167 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,168 INFO L82 PathProgramCache]: Analyzing trace with hash 300689700, now seen corresponding path program 116 times [2021-03-26 03:48:44,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753679405] [2021-03-26 03:48:44,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,188 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:44,201 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:44,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:44,219 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:44,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753679405] [2021-03-26 03:48:44,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:44,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319797554] [2021-03-26 03:48:44,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:44,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:44,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:44,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:44,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 28 transitions, 351 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:44,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,274 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-03-26 03:48:44,274 INFO L130 PetriNetUnfolder]: For 272/272 co-relation queries the response was YES. [2021-03-26 03:48:44,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 48 events. 0/48 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 152 event pairs, 0 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-03-26 03:48:44,274 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 8 selfloop transitions, 8 changer transitions 4/30 dead transitions. [2021-03-26 03:48:44,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 30 transitions, 399 flow [2021-03-26 03:48:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 300 transitions. [2021-03-26 03:48:44,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8086253369272237 [2021-03-26 03:48:44,275 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 300 transitions. [2021-03-26 03:48:44,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 300 transitions. [2021-03-26 03:48:44,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 300 transitions. [2021-03-26 03:48:44,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.857142857142854) internal successors, (300), 7 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) [2021-03-26 03:48:44,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,276 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,276 INFO L185 Difference]: Start difference. First operand has 99 places, 28 transitions, 351 flow. Second operand 7 states and 300 transitions. [2021-03-26 03:48:44,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 30 transitions, 399 flow [2021-03-26 03:48:44,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 30 transitions, 373 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:44,280 INFO L241 Difference]: Finished difference. Result has 100 places, 24 transitions, 287 flow [2021-03-26 03:48:44,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=287, PETRI_PLACES=100, PETRI_TRANSITIONS=24} [2021-03-26 03:48:44,280 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 68 predicate places. [2021-03-26 03:48:44,280 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 24 transitions, 287 flow [2021-03-26 03:48:44,280 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 24 transitions, 287 flow [2021-03-26 03:48:44,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 24 transitions, 287 flow [2021-03-26 03:48:44,283 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 03:48:44,283 INFO L130 PetriNetUnfolder]: For 218/218 co-relation queries the response was YES. [2021-03-26 03:48:44,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 39 events. 0/39 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 107 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-26 03:48:44,284 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-26 03:48:44,284 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,284 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,285 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 03:48:44,285 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 24 transitions, 287 flow [2021-03-26 03:48:44,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,285 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,285 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 03:48:44,285 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,285 INFO L82 PathProgramCache]: Analyzing trace with hash -2096055204, now seen corresponding path program 117 times [2021-03-26 03:48:44,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145547093] [2021-03-26 03:48:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:44,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:44,325 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:44,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:44,347 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:44,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145547093] [2021-03-26 03:48:44,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:44,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402752509] [2021-03-26 03:48:44,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:44,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:44,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:44,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:44,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 24 transitions, 287 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:44,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,407 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-03-26 03:48:44,407 INFO L130 PetriNetUnfolder]: For 223/223 co-relation queries the response was YES. [2021-03-26 03:48:44,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 38 events. 0/38 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 95 event pairs, 0 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 03:48:44,411 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 7 selfloop transitions, 6 changer transitions 2/25 dead transitions. [2021-03-26 03:48:44,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 25 transitions, 321 flow [2021-03-26 03:48:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 298 transitions. [2021-03-26 03:48:44,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8032345013477089 [2021-03-26 03:48:44,416 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 298 transitions. [2021-03-26 03:48:44,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 298 transitions. [2021-03-26 03:48:44,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 298 transitions. [2021-03-26 03:48:44,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.57142857142857) internal successors, (298), 7 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,417 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,418 INFO L185 Difference]: Start difference. First operand has 89 places, 24 transitions, 287 flow. Second operand 7 states and 298 transitions. [2021-03-26 03:48:44,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 25 transitions, 321 flow [2021-03-26 03:48:44,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 25 transitions, 228 flow, removed 5 selfloop flow, removed 20 redundant places. [2021-03-26 03:48:44,419 INFO L241 Difference]: Finished difference. Result has 76 places, 22 transitions, 180 flow [2021-03-26 03:48:44,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=180, PETRI_PLACES=76, PETRI_TRANSITIONS=22} [2021-03-26 03:48:44,419 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 44 predicate places. [2021-03-26 03:48:44,420 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 22 transitions, 180 flow [2021-03-26 03:48:44,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 22 transitions, 180 flow [2021-03-26 03:48:44,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 22 transitions, 180 flow [2021-03-26 03:48:44,421 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-26 03:48:44,421 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-03-26 03:48:44,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 32 events. 0/32 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 03:48:44,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 26 [2021-03-26 03:48:44,422 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-26 03:48:44,422 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 22 transitions, 180 flow [2021-03-26 03:48:44,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 03:48:44,423 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1512027732, now seen corresponding path program 118 times [2021-03-26 03:48:44,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085728367] [2021-03-26 03:48:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:44,454 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:44,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:44,468 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:44,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085728367] [2021-03-26 03:48:44,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:44,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259975938] [2021-03-26 03:48:44,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:44,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:44,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:44,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:44,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 22 transitions, 180 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:44,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,527 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-26 03:48:44,527 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-03-26 03:48:44,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 31 events. 0/31 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 55 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 03:48:44,527 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 5 selfloop transitions, 5 changer transitions 3/23 dead transitions. [2021-03-26 03:48:44,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 23 transitions, 210 flow [2021-03-26 03:48:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 297 transitions. [2021-03-26 03:48:44,528 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8005390835579514 [2021-03-26 03:48:44,528 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 297 transitions. [2021-03-26 03:48:44,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 297 transitions. [2021-03-26 03:48:44,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 297 transitions. [2021-03-26 03:48:44,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,528 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,528 INFO L185 Difference]: Start difference. First operand has 71 places, 22 transitions, 180 flow. Second operand 7 states and 297 transitions. [2021-03-26 03:48:44,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 23 transitions, 210 flow [2021-03-26 03:48:44,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 23 transitions, 191 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 03:48:44,529 INFO L241 Difference]: Finished difference. Result has 72 places, 19 transitions, 131 flow [2021-03-26 03:48:44,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=131, PETRI_PLACES=72, PETRI_TRANSITIONS=19} [2021-03-26 03:48:44,529 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 40 predicate places. [2021-03-26 03:48:44,530 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 19 transitions, 131 flow [2021-03-26 03:48:44,530 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 19 transitions, 131 flow [2021-03-26 03:48:44,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 19 transitions, 131 flow [2021-03-26 03:48:44,531 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 03:48:44,532 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-26 03:48:44,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 24 events. 0/24 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 03:48:44,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 16 [2021-03-26 03:48:44,532 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,532 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-26 03:48:44,532 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 19 transitions, 131 flow [2021-03-26 03:48:44,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,533 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 03:48:44,533 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1563325492, now seen corresponding path program 119 times [2021-03-26 03:48:44,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867103306] [2021-03-26 03:48:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,562 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:44,574 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:44,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:44,590 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867103306] [2021-03-26 03:48:44,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:44,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203788085] [2021-03-26 03:48:44,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:44,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:44,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:44,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:44,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 19 transitions, 131 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:44,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,646 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 03:48:44,646 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-03-26 03:48:44,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 23 events. 0/23 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 03:48:44,647 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 3 selfloop transitions, 3 changer transitions 3/19 dead transitions. [2021-03-26 03:48:44,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 19 transitions, 149 flow [2021-03-26 03:48:44,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 296 transitions. [2021-03-26 03:48:44,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7978436657681941 [2021-03-26 03:48:44,647 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 296 transitions. [2021-03-26 03:48:44,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 296 transitions. [2021-03-26 03:48:44,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 296 transitions. [2021-03-26 03:48:44,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,652 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,652 INFO L185 Difference]: Start difference. First operand has 63 places, 19 transitions, 131 flow. Second operand 7 states and 296 transitions. [2021-03-26 03:48:44,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 19 transitions, 149 flow [2021-03-26 03:48:44,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 19 transitions, 113 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 03:48:44,653 INFO L241 Difference]: Finished difference. Result has 58 places, 16 transitions, 73 flow [2021-03-26 03:48:44,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=73, PETRI_PLACES=58, PETRI_TRANSITIONS=16} [2021-03-26 03:48:44,653 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 26 predicate places. [2021-03-26 03:48:44,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 16 transitions, 73 flow [2021-03-26 03:48:44,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 16 transitions, 73 flow [2021-03-26 03:48:44,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 16 transitions, 73 flow [2021-03-26 03:48:44,655 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 03:48:44,655 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 03:48:44,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 16 events. 0/16 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 03:48:44,655 INFO L142 LiptonReduction]: Number of co-enabled transitions 6 [2021-03-26 03:48:44,656 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,656 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-26 03:48:44,656 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 16 transitions, 73 flow [2021-03-26 03:48:44,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:44,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:44,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 03:48:44,657 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:44,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:44,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2089514098, now seen corresponding path program 120 times [2021-03-26 03:48:44,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:44,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108292127] [2021-03-26 03:48:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:44,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:44,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:44,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:44,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:44,682 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:44,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:44,694 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:44,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:44,711 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 03:48:44,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:44,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108292127] [2021-03-26 03:48:44,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:44,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 03:48:44,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096209771] [2021-03-26 03:48:44,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 03:48:44,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:44,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 03:48:44,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 03:48:44,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 03:48:44,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 16 transitions, 73 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:44,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 03:48:44,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,764 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-26 03:48:44,765 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 03:48:44,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 15 events. 0/15 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 1/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 03:48:44,765 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2021-03-26 03:48:44,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 15 transitions, 79 flow [2021-03-26 03:48:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 03:48:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 03:48:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 293 transitions. [2021-03-26 03:48:44,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7897574123989218 [2021-03-26 03:48:44,765 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 293 transitions. [2021-03-26 03:48:44,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 293 transitions. [2021-03-26 03:48:44,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 293 transitions. [2021-03-26 03:48:44,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,766 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,766 INFO L185 Difference]: Start difference. First operand has 47 places, 16 transitions, 73 flow. Second operand 7 states and 293 transitions. [2021-03-26 03:48:44,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 15 transitions, 79 flow [2021-03-26 03:48:44,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 15 transitions, 62 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 03:48:44,766 INFO L241 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2021-03-26 03:48:44,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2021-03-26 03:48:44,767 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 12 predicate places. [2021-03-26 03:48:44,767 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:44,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 0 transitions, 0 flow [2021-03-26 03:48:44,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 0 transitions, 0 flow [2021-03-26 03:48:44,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 03:48:44,768 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 03:48:44,768 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:44,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 03:48:44,768 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 03:48:44,768 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:44,768 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:44,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-26 03:48:44,769 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 03:48:44,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 03:48:44,773 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 03:48:44 BasicIcfg [2021-03-26 03:48:44,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 03:48:44,773 INFO L168 Benchmark]: Toolchain (without parser) took 31897.43 ms. Allocated memory was 255.9 MB in the beginning and 559.9 MB in the end (delta: 304.1 MB). Free memory was 236.7 MB in the beginning and 316.7 MB in the end (delta: -79.9 MB). Peak memory consumption was 223.5 MB. Max. memory is 16.0 GB. [2021-03-26 03:48:44,773 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.59 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 03:48:44,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 235.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 03:48:44,773 INFO L168 Benchmark]: Boogie Preprocessor took 10.80 ms. Allocated memory is still 255.9 MB. Free memory was 235.3 MB in the beginning and 234.4 MB in the end (delta: 846.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 03:48:44,773 INFO L168 Benchmark]: RCFGBuilder took 189.29 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 240.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.0 GB. [2021-03-26 03:48:44,774 INFO L168 Benchmark]: TraceAbstraction took 31670.85 ms. Allocated memory was 255.9 MB in the beginning and 559.9 MB in the end (delta: 304.1 MB). Free memory was 240.7 MB in the beginning and 316.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 227.6 MB. Max. memory is 16.0 GB. [2021-03-26 03:48:44,774 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 0.59 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 235.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.80 ms. Allocated memory is still 255.9 MB. Free memory was 235.3 MB in the beginning and 234.4 MB in the end (delta: 846.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 189.29 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 240.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31670.85 ms. Allocated memory was 255.9 MB in the beginning and 559.9 MB in the end (delta: 304.1 MB). Free memory was 240.7 MB in the beginning and 316.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 227.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126.4ms, 37 PlacesBefore, 32 PlacesAfterwards, 41 TransitionsBefore, 36 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130, positive: 130, positive conditional: 130, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 130, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 130, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 130, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 130, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5ms, 24 PlacesBefore, 24 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2ms, 25 PlacesBefore, 25 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7ms, 26 PlacesBefore, 26 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1ms, 27 PlacesBefore, 27 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3ms, 37 PlacesBefore, 36 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.2ms, 45 PlacesBefore, 44 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3ms, 53 PlacesBefore, 52 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.5ms, 60 PlacesBefore, 59 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.8ms, 68 PlacesBefore, 67 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.7ms, 76 PlacesBefore, 75 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.3ms, 82 PlacesBefore, 81 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.6ms, 89 PlacesBefore, 88 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 94 PlacesBefore, 93 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.1ms, 98 PlacesBefore, 97 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.5ms, 104 PlacesBefore, 103 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.5ms, 107 PlacesBefore, 105 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.2ms, 111 PlacesBefore, 110 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.7ms, 114 PlacesBefore, 112 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.6ms, 114 PlacesBefore, 113 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.0ms, 119 PlacesBefore, 118 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.7ms, 124 PlacesBefore, 123 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.0ms, 126 PlacesBefore, 125 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.6ms, 131 PlacesBefore, 130 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.2ms, 135 PlacesBefore, 134 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.7ms, 137 PlacesBefore, 136 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.7ms, 143 PlacesBefore, 142 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.9ms, 145 PlacesBefore, 144 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.8ms, 147 PlacesBefore, 146 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.8ms, 148 PlacesBefore, 145 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.6ms, 143 PlacesBefore, 142 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.6ms, 146 PlacesBefore, 145 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.3ms, 148 PlacesBefore, 147 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.7ms, 150 PlacesBefore, 149 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.7ms, 154 PlacesBefore, 153 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.5ms, 161 PlacesBefore, 160 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.4ms, 167 PlacesBefore, 166 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.1ms, 171 PlacesBefore, 169 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.2ms, 173 PlacesBefore, 171 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.6ms, 176 PlacesBefore, 174 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.3ms, 177 PlacesBefore, 175 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.0ms, 183 PlacesBefore, 182 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.4ms, 186 PlacesBefore, 184 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.9ms, 187 PlacesBefore, 186 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.8ms, 190 PlacesBefore, 189 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.0ms, 193 PlacesBefore, 191 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.7ms, 197 PlacesBefore, 196 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.3ms, 203 PlacesBefore, 202 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.8ms, 208 PlacesBefore, 207 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.5ms, 212 PlacesBefore, 210 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.6ms, 214 PlacesBefore, 213 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.9ms, 218 PlacesBefore, 216 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.6ms, 218 PlacesBefore, 216 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.9ms, 218 PlacesBefore, 216 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 338 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.7ms, 217 PlacesBefore, 215 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.1ms, 219 PlacesBefore, 218 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.1ms, 222 PlacesBefore, 221 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.6ms, 224 PlacesBefore, 222 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.1ms, 225 PlacesBefore, 223 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 318 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.7ms, 226 PlacesBefore, 224 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.4ms, 227 PlacesBefore, 225 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.0ms, 230 PlacesBefore, 228 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.9ms, 234 PlacesBefore, 233 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.0ms, 237 PlacesBefore, 235 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.5ms, 240 PlacesBefore, 239 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.9ms, 245 PlacesBefore, 244 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.8ms, 247 PlacesBefore, 242 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.8ms, 243 PlacesBefore, 241 PlacesAfterwards, 141 TransitionsBefore, 141 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.1ms, 245 PlacesBefore, 240 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.6ms, 241 PlacesBefore, 239 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.2ms, 244 PlacesBefore, 243 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.0ms, 248 PlacesBefore, 247 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.7ms, 251 PlacesBefore, 246 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.8ms, 248 PlacesBefore, 246 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.9ms, 249 PlacesBefore, 248 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.2ms, 251 PlacesBefore, 246 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.3ms, 248 PlacesBefore, 245 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.9ms, 247 PlacesBefore, 242 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.2ms, 248 PlacesBefore, 247 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.5ms, 253 PlacesBefore, 252 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.6ms, 258 PlacesBefore, 257 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.9ms, 260 PlacesBefore, 259 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.8ms, 262 PlacesBefore, 258 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.5ms, 261 PlacesBefore, 259 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.0ms, 261 PlacesBefore, 256 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.3ms, 257 PlacesBefore, 255 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.3ms, 256 PlacesBefore, 254 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.9ms, 254 PlacesBefore, 252 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.9ms, 253 PlacesBefore, 251 PlacesAfterwards, 113 TransitionsBefore, 113 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.6ms, 252 PlacesBefore, 247 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.1ms, 246 PlacesBefore, 241 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.4ms, 240 PlacesBefore, 238 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.2ms, 240 PlacesBefore, 238 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.1ms, 240 PlacesBefore, 235 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.2ms, 235 PlacesBefore, 233 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.4ms, 234 PlacesBefore, 229 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.1ms, 231 PlacesBefore, 226 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.3ms, 228 PlacesBefore, 220 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 219 PlacesBefore, 211 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.6ms, 208 PlacesBefore, 192 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.6ms, 182 PlacesBefore, 181 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.1ms, 184 PlacesBefore, 183 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.3ms, 186 PlacesBefore, 184 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.8ms, 185 PlacesBefore, 181 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.3ms, 181 PlacesBefore, 169 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.0ms, 168 PlacesBefore, 166 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1ms, 167 PlacesBefore, 165 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.0ms, 166 PlacesBefore, 164 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3ms, 165 PlacesBefore, 163 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.3ms, 164 PlacesBefore, 162 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 163 PlacesBefore, 161 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5ms, 161 PlacesBefore, 156 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.6ms, 154 PlacesBefore, 152 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8ms, 152 PlacesBefore, 141 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.3ms, 139 PlacesBefore, 134 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6ms, 132 PlacesBefore, 127 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1ms, 127 PlacesBefore, 125 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5ms, 124 PlacesBefore, 116 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0ms, 112 PlacesBefore, 104 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8ms, 104 PlacesBefore, 99 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2ms, 100 PlacesBefore, 89 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2ms, 76 PlacesBefore, 71 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3ms, 72 PlacesBefore, 63 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1ms, 58 PlacesBefore, 47 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 6 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 44 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 23.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 31491.8ms, OverallIterations: 124, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 15993.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 287.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1422 SDtfs, 2055 SDslu, 1147 SDs, 0 SdLazy, 2594 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1847.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 852 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 724 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 10116.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4842occurred in iteration=65, InterpolantAutomatonStates: 852, 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: 52.8ms SsaConstructionTime, 148.1ms SatisfiabilityAnalysisTime, 9579.3ms InterpolantComputationTime, 1984 NumberOfCodeBlocks, 1984 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 34736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 124 InterpolantComputations, 124 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...