/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 08:28:10,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:28:10,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 08:28:10,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:28:10,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:28:10,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:28:10,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:28:10,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:28:10,464 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:28:10,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:28:10,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:28:10,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:28:10,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:28:10,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:28:10,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:28:10,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:28:10,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:28:10,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:28:10,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:28:10,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:28:10,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:28:10,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:28:10,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:28:10,470 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:28:10,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:28:10,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:28:10,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:28:10,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:28:10,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:28:10,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:28:10,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:28:10,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:28:10,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:28:10,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:28:10,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:28:10,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:28:10,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:28:10,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:28:10,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:28:10,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2023-11-30 08:28:11,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:28:11,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:28:11,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2023-11-30 08:28:11,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f41711e/8181e2e6b19144ec941081ba5b28267f/FLAGde6b9af7b [2023-11-30 08:28:11,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f41711e/8181e2e6b19144ec941081ba5b28267f [2023-11-30 08:28:11,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:28:11,852 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:28:11,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:28:11,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:28:11,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:28:11,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:28:11" (1/1) ... [2023-11-30 08:28:11,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d7ff81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:11, skipping insertion in model container [2023-11-30 08:28:11,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:28:11" (1/1) ... [2023-11-30 08:28:11,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:28:11,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:28:12,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:28:12,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:28:12,027 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 08:28:12,027 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 08:28:12,031 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:28:12,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12 WrapperNode [2023-11-30 08:28:12,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:28:12,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:28:12,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:28:12,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:28:12,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,068 INFO L138 Inliner]: procedures = 23, calls = 47, calls flagged for inlining = 19, calls inlined = 41, statements flattened = 537 [2023-11-30 08:28:12,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:28:12,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:28:12,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:28:12,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:28:12,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:28:12,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:28:12,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:28:12,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:28:12,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (1/1) ... [2023-11-30 08:28:12,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:28:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:28:12,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 08:28:12,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 08:28:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:28:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 08:28:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 08:28:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 08:28:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 08:28:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 08:28:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 08:28:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:28:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:28:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:28:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 08:28:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 08:28:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:28:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:28:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 08:28:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:28:12,146 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 08:28:12,252 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:28:12,254 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:28:12,773 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:28:14,487 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:28:14,487 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 08:28:14,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:28:14 BoogieIcfgContainer [2023-11-30 08:28:14,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:28:14,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:28:14,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:28:14,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:28:14,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:28:11" (1/3) ... [2023-11-30 08:28:14,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa1818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:28:14, skipping insertion in model container [2023-11-30 08:28:14,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:28:12" (2/3) ... [2023-11-30 08:28:14,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa1818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:28:14, skipping insertion in model container [2023-11-30 08:28:14,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:28:14" (3/3) ... [2023-11-30 08:28:14,495 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2023-11-30 08:28:14,507 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:28:14,508 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2023-11-30 08:28:14,508 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:28:15,348 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-30 08:28:15,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 226 places, 218 transitions, 457 flow [2023-11-30 08:28:15,472 INFO L124 PetriNetUnfolderBase]: 2/215 cut-off events. [2023-11-30 08:28:15,472 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-30 08:28:15,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 215 events. 2/215 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 516 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-11-30 08:28:15,476 INFO L82 GeneralOperation]: Start removeDead. Operand has 226 places, 218 transitions, 457 flow [2023-11-30 08:28:15,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 183 transitions, 381 flow [2023-11-30 08:28:15,488 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:28:15,493 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6368850c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:28:15,494 INFO L363 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2023-11-30 08:28:15,505 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:28:15,505 INFO L124 PetriNetUnfolderBase]: 0/80 cut-off events. [2023-11-30 08:28:15,505 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:28:15,505 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:15,506 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:15,506 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:15,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:15,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887127, now seen corresponding path program 1 times [2023-11-30 08:28:15,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:15,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564369961] [2023-11-30 08:28:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:15,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:15,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564369961] [2023-11-30 08:28:15,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564369961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:15,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:15,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-30 08:28:15,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435199785] [2023-11-30 08:28:15,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:15,742 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-30 08:28:15,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:15,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-30 08:28:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-30 08:28:15,763 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 218 [2023-11-30 08:28:15,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 183 transitions, 381 flow. Second operand has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:15,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:15,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 218 [2023-11-30 08:28:15,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:24,510 INFO L124 PetriNetUnfolderBase]: 11951/19394 cut-off events. [2023-11-30 08:28:24,510 INFO L125 PetriNetUnfolderBase]: For 1369/1369 co-relation queries the response was YES. [2023-11-30 08:28:24,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38894 conditions, 19394 events. 11951/19394 cut-off events. For 1369/1369 co-relation queries the response was YES. Maximal size of possible extension queue 5273. Compared 174197 event pairs, 11951 based on Foata normal form. 0/2318 useless extension candidates. Maximal degree in co-relation 38571. Up to 18468 conditions per place. [2023-11-30 08:28:24,623 INFO L140 encePairwiseOnDemand]: 194/218 looper letters, 56 selfloop transitions, 0 changer transitions 0/159 dead transitions. [2023-11-30 08:28:24,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 159 transitions, 445 flow [2023-11-30 08:28:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 08:28:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-30 08:28:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 348 transitions. [2023-11-30 08:28:24,635 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7981651376146789 [2023-11-30 08:28:24,635 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 348 transitions. [2023-11-30 08:28:24,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 348 transitions. [2023-11-30 08:28:24,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:24,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 348 transitions. [2023-11-30 08:28:24,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 174.0) internal successors, (348), 2 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:24,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:24,645 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:24,648 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -23 predicate places. [2023-11-30 08:28:24,649 INFO L500 AbstractCegarLoop]: Abstraction has has 170 places, 159 transitions, 445 flow [2023-11-30 08:28:24,649 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:24,649 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:24,649 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:24,649 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:28:24,650 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:24,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:24,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887123, now seen corresponding path program 1 times [2023-11-30 08:28:24,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:24,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014512690] [2023-11-30 08:28:24,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:24,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:24,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:24,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014512690] [2023-11-30 08:28:24,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014512690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:24,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:24,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:28:24,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143817514] [2023-11-30 08:28:24,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:24,958 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:28:24,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:28:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:28:24,961 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:28:24,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 159 transitions, 445 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:24,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:24,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:28:24,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:32,035 INFO L124 PetriNetUnfolderBase]: 10658/17379 cut-off events. [2023-11-30 08:28:32,035 INFO L125 PetriNetUnfolderBase]: For 2004/85508 co-relation queries the response was YES. [2023-11-30 08:28:32,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51309 conditions, 17379 events. 10658/17379 cut-off events. For 2004/85508 co-relation queries the response was YES. Maximal size of possible extension queue 4676. Compared 154420 event pairs, 10658 based on Foata normal form. 0/2188 useless extension candidates. Maximal degree in co-relation 50916. Up to 16494 conditions per place. [2023-11-30 08:28:32,138 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 57 selfloop transitions, 3 changer transitions 0/157 dead transitions. [2023-11-30 08:28:32,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 157 transitions, 557 flow [2023-11-30 08:28:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:28:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:28:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 570 transitions. [2023-11-30 08:28:32,140 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6536697247706422 [2023-11-30 08:28:32,140 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 570 transitions. [2023-11-30 08:28:32,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 570 transitions. [2023-11-30 08:28:32,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:32,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 570 transitions. [2023-11-30 08:28:32,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:32,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:32,144 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:32,144 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -22 predicate places. [2023-11-30 08:28:32,144 INFO L500 AbstractCegarLoop]: Abstraction has has 171 places, 157 transitions, 557 flow [2023-11-30 08:28:32,145 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:32,145 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:32,145 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:32,145 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:28:32,145 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:32,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887126, now seen corresponding path program 1 times [2023-11-30 08:28:32,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505976080] [2023-11-30 08:28:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:32,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:32,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505976080] [2023-11-30 08:28:32,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505976080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:32,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:32,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:28:32,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998525867] [2023-11-30 08:28:32,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:32,199 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:28:32,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:32,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:28:32,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:28:32,200 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:28:32,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 157 transitions, 557 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:32,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:32,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:28:32,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:38,555 INFO L124 PetriNetUnfolderBase]: 9502/15533 cut-off events. [2023-11-30 08:28:38,555 INFO L125 PetriNetUnfolderBase]: For 2900/150804 co-relation queries the response was YES. [2023-11-30 08:28:38,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60596 conditions, 15533 events. 9502/15533 cut-off events. For 2900/150804 co-relation queries the response was YES. Maximal size of possible extension queue 4162. Compared 137640 event pairs, 9502 based on Foata normal form. 0/2024 useless extension candidates. Maximal degree in co-relation 60148. Up to 14724 conditions per place. [2023-11-30 08:28:38,642 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 55 selfloop transitions, 3 changer transitions 0/155 dead transitions. [2023-11-30 08:28:38,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 155 transitions, 661 flow [2023-11-30 08:28:38,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:28:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:28:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 568 transitions. [2023-11-30 08:28:38,644 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6513761467889908 [2023-11-30 08:28:38,644 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 568 transitions. [2023-11-30 08:28:38,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 568 transitions. [2023-11-30 08:28:38,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:38,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 568 transitions. [2023-11-30 08:28:38,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:38,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:38,647 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:38,648 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -21 predicate places. [2023-11-30 08:28:38,648 INFO L500 AbstractCegarLoop]: Abstraction has has 172 places, 155 transitions, 661 flow [2023-11-30 08:28:38,648 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:38,648 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:38,648 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:38,648 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 08:28:38,649 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:38,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887125, now seen corresponding path program 1 times [2023-11-30 08:28:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796638044] [2023-11-30 08:28:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:38,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:38,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796638044] [2023-11-30 08:28:38,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796638044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:38,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:38,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:28:38,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103551828] [2023-11-30 08:28:38,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:38,737 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:28:38,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:38,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:28:38,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:28:38,742 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:28:38,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 155 transitions, 661 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:38,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:38,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:28:38,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:44,526 INFO L124 PetriNetUnfolderBase]: 8412/13791 cut-off events. [2023-11-30 08:28:44,526 INFO L125 PetriNetUnfolderBase]: For 3981/198921 co-relation queries the response was YES. [2023-11-30 08:28:44,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66847 conditions, 13791 events. 8412/13791 cut-off events. For 3981/198921 co-relation queries the response was YES. Maximal size of possible extension queue 3663. Compared 120779 event pairs, 8412 based on Foata normal form. 0/1866 useless extension candidates. Maximal degree in co-relation 66352. Up to 13054 conditions per place. [2023-11-30 08:28:44,683 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 53 selfloop transitions, 3 changer transitions 0/153 dead transitions. [2023-11-30 08:28:44,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 153 transitions, 757 flow [2023-11-30 08:28:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:28:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:28:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions. [2023-11-30 08:28:44,687 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6490825688073395 [2023-11-30 08:28:44,687 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 566 transitions. [2023-11-30 08:28:44,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 566 transitions. [2023-11-30 08:28:44,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:44,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 566 transitions. [2023-11-30 08:28:44,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:44,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:44,690 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:44,691 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -20 predicate places. [2023-11-30 08:28:44,691 INFO L500 AbstractCegarLoop]: Abstraction has has 173 places, 153 transitions, 757 flow [2023-11-30 08:28:44,692 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:44,692 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:44,692 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:44,692 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 08:28:44,692 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:44,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:44,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887122, now seen corresponding path program 1 times [2023-11-30 08:28:44,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:44,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357754991] [2023-11-30 08:28:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:44,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:44,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:44,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357754991] [2023-11-30 08:28:44,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357754991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:44,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:44,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:28:44,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805084173] [2023-11-30 08:28:44,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:44,825 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:28:44,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:44,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:28:44,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:28:44,826 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:28:44,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 153 transitions, 757 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:44,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:44,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:28:44,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:50,318 INFO L124 PetriNetUnfolderBase]: 7391/12192 cut-off events. [2023-11-30 08:28:50,318 INFO L125 PetriNetUnfolderBase]: For 5017/205553 co-relation queries the response was YES. [2023-11-30 08:28:50,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70400 conditions, 12192 events. 7391/12192 cut-off events. For 5017/205553 co-relation queries the response was YES. Maximal size of possible extension queue 3211. Compared 105608 event pairs, 7391 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 69851. Up to 11489 conditions per place. [2023-11-30 08:28:50,390 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 51 selfloop transitions, 3 changer transitions 0/151 dead transitions. [2023-11-30 08:28:50,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 151 transitions, 845 flow [2023-11-30 08:28:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:28:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:28:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 564 transitions. [2023-11-30 08:28:50,392 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6467889908256881 [2023-11-30 08:28:50,392 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 564 transitions. [2023-11-30 08:28:50,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 564 transitions. [2023-11-30 08:28:50,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:50,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 564 transitions. [2023-11-30 08:28:50,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:50,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:50,395 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:50,395 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -19 predicate places. [2023-11-30 08:28:50,395 INFO L500 AbstractCegarLoop]: Abstraction has has 174 places, 151 transitions, 845 flow [2023-11-30 08:28:50,395 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:50,395 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:50,396 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:50,396 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 08:28:50,396 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:50,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887120, now seen corresponding path program 1 times [2023-11-30 08:28:50,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:50,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789966333] [2023-11-30 08:28:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:50,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:50,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789966333] [2023-11-30 08:28:50,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789966333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:50,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:50,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:28:50,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885293839] [2023-11-30 08:28:50,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:50,443 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:28:50,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:50,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:28:50,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:28:50,444 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:28:50,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 151 transitions, 845 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:50,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:50,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:28:50,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:55,341 INFO L124 PetriNetUnfolderBase]: 6460/10697 cut-off events. [2023-11-30 08:28:55,341 INFO L125 PetriNetUnfolderBase]: For 6236/222296 co-relation queries the response was YES. [2023-11-30 08:28:55,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71772 conditions, 10697 events. 6460/10697 cut-off events. For 6236/222296 co-relation queries the response was YES. Maximal size of possible extension queue 2788. Compared 91331 event pairs, 6460 based on Foata normal form. 0/1604 useless extension candidates. Maximal degree in co-relation 71190. Up to 10060 conditions per place. [2023-11-30 08:28:55,408 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 49 selfloop transitions, 3 changer transitions 0/149 dead transitions. [2023-11-30 08:28:55,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 149 transitions, 925 flow [2023-11-30 08:28:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:28:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:28:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 562 transitions. [2023-11-30 08:28:55,410 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6444954128440367 [2023-11-30 08:28:55,410 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 562 transitions. [2023-11-30 08:28:55,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 562 transitions. [2023-11-30 08:28:55,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:55,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 562 transitions. [2023-11-30 08:28:55,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:55,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:55,413 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:55,414 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -18 predicate places. [2023-11-30 08:28:55,414 INFO L500 AbstractCegarLoop]: Abstraction has has 175 places, 149 transitions, 925 flow [2023-11-30 08:28:55,414 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:55,414 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:55,414 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:55,414 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 08:28:55,414 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:55,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:55,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887119, now seen corresponding path program 1 times [2023-11-30 08:28:55,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:55,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231841992] [2023-11-30 08:28:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:28:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:28:55,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:28:55,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231841992] [2023-11-30 08:28:55,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231841992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:28:55,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:28:55,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:28:55,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081194840] [2023-11-30 08:28:55,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:28:55,466 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:28:55,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:28:55,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:28:55,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:28:55,467 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:28:55,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 149 transitions, 925 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:55,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:28:55,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:28:55,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:28:59,888 INFO L124 PetriNetUnfolderBase]: 5591/9300 cut-off events. [2023-11-30 08:28:59,888 INFO L125 PetriNetUnfolderBase]: For 7462/228286 co-relation queries the response was YES. [2023-11-30 08:28:59,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71042 conditions, 9300 events. 5591/9300 cut-off events. For 7462/228286 co-relation queries the response was YES. Maximal size of possible extension queue 2395. Compared 78186 event pairs, 5591 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 70435. Up to 8725 conditions per place. [2023-11-30 08:28:59,956 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 47 selfloop transitions, 3 changer transitions 0/147 dead transitions. [2023-11-30 08:28:59,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 147 transitions, 997 flow [2023-11-30 08:28:59,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:28:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:28:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 560 transitions. [2023-11-30 08:28:59,958 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6422018348623854 [2023-11-30 08:28:59,958 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 560 transitions. [2023-11-30 08:28:59,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 560 transitions. [2023-11-30 08:28:59,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:28:59,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 560 transitions. [2023-11-30 08:28:59,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:59,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:59,961 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:59,961 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -17 predicate places. [2023-11-30 08:28:59,961 INFO L500 AbstractCegarLoop]: Abstraction has has 176 places, 147 transitions, 997 flow [2023-11-30 08:28:59,961 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:28:59,961 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:28:59,961 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:28:59,961 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 08:28:59,962 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:28:59,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:28:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887117, now seen corresponding path program 1 times [2023-11-30 08:28:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:28:59,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907563462] [2023-11-30 08:28:59,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:28:59,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:28:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:00,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:00,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907563462] [2023-11-30 08:29:00,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907563462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:00,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:00,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:00,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345180299] [2023-11-30 08:29:00,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:00,040 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:00,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:00,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:00,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:00,040 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:00,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 147 transitions, 997 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:00,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:00,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:00,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:03,973 INFO L124 PetriNetUnfolderBase]: 4810/8069 cut-off events. [2023-11-30 08:29:03,973 INFO L125 PetriNetUnfolderBase]: For 8331/198521 co-relation queries the response was YES. [2023-11-30 08:29:03,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68861 conditions, 8069 events. 4810/8069 cut-off events. For 8331/198521 co-relation queries the response was YES. Maximal size of possible extension queue 2055. Compared 66819 event pairs, 4810 based on Foata normal form. 0/1362 useless extension candidates. Maximal degree in co-relation 68216. Up to 7524 conditions per place. [2023-11-30 08:29:04,043 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 45 selfloop transitions, 3 changer transitions 0/145 dead transitions. [2023-11-30 08:29:04,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 145 transitions, 1061 flow [2023-11-30 08:29:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 558 transitions. [2023-11-30 08:29:04,044 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6399082568807339 [2023-11-30 08:29:04,045 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 558 transitions. [2023-11-30 08:29:04,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 558 transitions. [2023-11-30 08:29:04,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:04,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 558 transitions. [2023-11-30 08:29:04,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 139.5) internal successors, (558), 4 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:04,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:04,047 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:04,048 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -16 predicate places. [2023-11-30 08:29:04,048 INFO L500 AbstractCegarLoop]: Abstraction has has 177 places, 145 transitions, 1061 flow [2023-11-30 08:29:04,048 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:04,048 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:04,048 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:04,048 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 08:29:04,048 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:04,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:04,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887116, now seen corresponding path program 1 times [2023-11-30 08:29:04,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:04,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709335334] [2023-11-30 08:29:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:04,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:04,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709335334] [2023-11-30 08:29:04,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709335334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:04,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:04,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:04,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878203302] [2023-11-30 08:29:04,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:04,220 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:04,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:04,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:04,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:04,220 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:04,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 145 transitions, 1061 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:04,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:04,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:04,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:07,361 INFO L124 PetriNetUnfolderBase]: 4087/6926 cut-off events. [2023-11-30 08:29:07,361 INFO L125 PetriNetUnfolderBase]: For 9025/165425 co-relation queries the response was YES. [2023-11-30 08:29:07,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65162 conditions, 6926 events. 4087/6926 cut-off events. For 9025/165425 co-relation queries the response was YES. Maximal size of possible extension queue 1741. Compared 56481 event pairs, 4087 based on Foata normal form. 0/1262 useless extension candidates. Maximal degree in co-relation 64483. Up to 6411 conditions per place. [2023-11-30 08:29:07,427 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 43 selfloop transitions, 3 changer transitions 0/143 dead transitions. [2023-11-30 08:29:07,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 143 transitions, 1117 flow [2023-11-30 08:29:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 556 transitions. [2023-11-30 08:29:07,429 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6376146788990825 [2023-11-30 08:29:07,429 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 556 transitions. [2023-11-30 08:29:07,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 556 transitions. [2023-11-30 08:29:07,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:07,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 556 transitions. [2023-11-30 08:29:07,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:07,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:07,431 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:07,432 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -15 predicate places. [2023-11-30 08:29:07,432 INFO L500 AbstractCegarLoop]: Abstraction has has 178 places, 143 transitions, 1117 flow [2023-11-30 08:29:07,432 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:07,432 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:07,432 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:07,432 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 08:29:07,432 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:07,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887114, now seen corresponding path program 1 times [2023-11-30 08:29:07,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:07,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118412657] [2023-11-30 08:29:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:07,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:07,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118412657] [2023-11-30 08:29:07,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118412657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:07,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:07,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:07,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473648029] [2023-11-30 08:29:07,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:07,479 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:07,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:07,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:07,480 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:07,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 143 transitions, 1117 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:07,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:07,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:07,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:10,273 INFO L124 PetriNetUnfolderBase]: 3438/5871 cut-off events. [2023-11-30 08:29:10,273 INFO L125 PetriNetUnfolderBase]: For 9882/152280 co-relation queries the response was YES. [2023-11-30 08:29:10,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60466 conditions, 5871 events. 3438/5871 cut-off events. For 9882/152280 co-relation queries the response was YES. Maximal size of possible extension queue 1452. Compared 47096 event pairs, 3438 based on Foata normal form. 0/1140 useless extension candidates. Maximal degree in co-relation 59782. Up to 5410 conditions per place. [2023-11-30 08:29:10,330 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 41 selfloop transitions, 3 changer transitions 0/141 dead transitions. [2023-11-30 08:29:10,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 141 transitions, 1165 flow [2023-11-30 08:29:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 554 transitions. [2023-11-30 08:29:10,334 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6353211009174312 [2023-11-30 08:29:10,334 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 554 transitions. [2023-11-30 08:29:10,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 554 transitions. [2023-11-30 08:29:10,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:10,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 554 transitions. [2023-11-30 08:29:10,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 138.5) internal successors, (554), 4 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:10,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:10,336 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:10,337 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -14 predicate places. [2023-11-30 08:29:10,337 INFO L500 AbstractCegarLoop]: Abstraction has has 179 places, 141 transitions, 1165 flow [2023-11-30 08:29:10,337 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:10,337 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:10,337 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:10,337 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 08:29:10,338 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:10,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:10,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887113, now seen corresponding path program 1 times [2023-11-30 08:29:10,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:10,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897875203] [2023-11-30 08:29:10,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:10,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:10,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:10,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897875203] [2023-11-30 08:29:10,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897875203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:10,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:10,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:10,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663668602] [2023-11-30 08:29:10,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:10,387 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:10,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:10,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:10,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:10,388 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:10,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 141 transitions, 1165 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:10,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:10,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:10,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:12,810 INFO L124 PetriNetUnfolderBase]: 2843/4902 cut-off events. [2023-11-30 08:29:12,810 INFO L125 PetriNetUnfolderBase]: For 10546/135426 co-relation queries the response was YES. [2023-11-30 08:29:12,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54756 conditions, 4902 events. 2843/4902 cut-off events. For 10546/135426 co-relation queries the response was YES. Maximal size of possible extension queue 1189. Compared 38323 event pairs, 2843 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 54075. Up to 4491 conditions per place. [2023-11-30 08:29:12,867 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 39 selfloop transitions, 3 changer transitions 0/139 dead transitions. [2023-11-30 08:29:12,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 139 transitions, 1205 flow [2023-11-30 08:29:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 552 transitions. [2023-11-30 08:29:12,880 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6330275229357798 [2023-11-30 08:29:12,880 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 552 transitions. [2023-11-30 08:29:12,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 552 transitions. [2023-11-30 08:29:12,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:12,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 552 transitions. [2023-11-30 08:29:12,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:12,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:12,883 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:12,883 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -13 predicate places. [2023-11-30 08:29:12,883 INFO L500 AbstractCegarLoop]: Abstraction has has 180 places, 139 transitions, 1205 flow [2023-11-30 08:29:12,883 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:12,883 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:12,883 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:12,884 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 08:29:12,884 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:12,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887111, now seen corresponding path program 1 times [2023-11-30 08:29:12,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:12,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440270443] [2023-11-30 08:29:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:12,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:12,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440270443] [2023-11-30 08:29:12,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440270443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:12,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:12,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:12,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183446915] [2023-11-30 08:29:12,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:12,958 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:12,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:12,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:12,959 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:12,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 139 transitions, 1205 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:12,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:12,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:12,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:15,023 INFO L124 PetriNetUnfolderBase]: 2320/4067 cut-off events. [2023-11-30 08:29:15,023 INFO L125 PetriNetUnfolderBase]: For 10601/101153 co-relation queries the response was YES. [2023-11-30 08:29:15,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48651 conditions, 4067 events. 2320/4067 cut-off events. For 10601/101153 co-relation queries the response was YES. Maximal size of possible extension queue 967. Compared 31263 event pairs, 2320 based on Foata normal form. 0/938 useless extension candidates. Maximal degree in co-relation 47952. Up to 3682 conditions per place. [2023-11-30 08:29:15,072 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 37 selfloop transitions, 3 changer transitions 0/137 dead transitions. [2023-11-30 08:29:15,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 137 transitions, 1237 flow [2023-11-30 08:29:15,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 550 transitions. [2023-11-30 08:29:15,073 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6307339449541285 [2023-11-30 08:29:15,073 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 550 transitions. [2023-11-30 08:29:15,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 550 transitions. [2023-11-30 08:29:15,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:15,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 550 transitions. [2023-11-30 08:29:15,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:15,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:15,076 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:15,076 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -12 predicate places. [2023-11-30 08:29:15,076 INFO L500 AbstractCegarLoop]: Abstraction has has 181 places, 137 transitions, 1237 flow [2023-11-30 08:29:15,076 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:15,076 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:15,076 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:15,076 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 08:29:15,076 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:15,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:15,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887110, now seen corresponding path program 1 times [2023-11-30 08:29:15,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:15,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803709740] [2023-11-30 08:29:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:15,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:15,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:15,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803709740] [2023-11-30 08:29:15,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803709740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:15,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:15,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:15,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411898297] [2023-11-30 08:29:15,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:15,201 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:15,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:15,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:15,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:15,201 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:15,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 137 transitions, 1237 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:15,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:15,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:15,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:16,876 INFO L124 PetriNetUnfolderBase]: 1847/3308 cut-off events. [2023-11-30 08:29:16,877 INFO L125 PetriNetUnfolderBase]: For 10417/72121 co-relation queries the response was YES. [2023-11-30 08:29:16,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41996 conditions, 3308 events. 1847/3308 cut-off events. For 10417/72121 co-relation queries the response was YES. Maximal size of possible extension queue 767. Compared 24783 event pairs, 1847 based on Foata normal form. 0/854 useless extension candidates. Maximal degree in co-relation 41283. Up to 2949 conditions per place. [2023-11-30 08:29:16,915 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 35 selfloop transitions, 3 changer transitions 0/135 dead transitions. [2023-11-30 08:29:16,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 135 transitions, 1261 flow [2023-11-30 08:29:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 548 transitions. [2023-11-30 08:29:16,917 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6284403669724771 [2023-11-30 08:29:16,917 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 548 transitions. [2023-11-30 08:29:16,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 548 transitions. [2023-11-30 08:29:16,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:16,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 548 transitions. [2023-11-30 08:29:16,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:16,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:16,919 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:16,920 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -11 predicate places. [2023-11-30 08:29:16,920 INFO L500 AbstractCegarLoop]: Abstraction has has 182 places, 135 transitions, 1261 flow [2023-11-30 08:29:16,920 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:16,920 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:16,921 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:16,921 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 08:29:16,921 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:16,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:16,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887108, now seen corresponding path program 1 times [2023-11-30 08:29:16,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:16,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692128511] [2023-11-30 08:29:16,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:16,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:16,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:16,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692128511] [2023-11-30 08:29:16,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692128511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:16,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:16,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:16,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152303177] [2023-11-30 08:29:16,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:16,977 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:16,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:16,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:16,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:16,977 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:16,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 135 transitions, 1261 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:16,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:16,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:16,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:18,397 INFO L124 PetriNetUnfolderBase]: 1432/2621 cut-off events. [2023-11-30 08:29:18,397 INFO L125 PetriNetUnfolderBase]: For 10296/56576 co-relation queries the response was YES. [2023-11-30 08:29:18,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35192 conditions, 2621 events. 1432/2621 cut-off events. For 10296/56576 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 19069 event pairs, 1432 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 34502. Up to 2304 conditions per place. [2023-11-30 08:29:18,423 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 33 selfloop transitions, 3 changer transitions 0/133 dead transitions. [2023-11-30 08:29:18,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 133 transitions, 1277 flow [2023-11-30 08:29:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 546 transitions. [2023-11-30 08:29:18,425 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6261467889908257 [2023-11-30 08:29:18,425 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 546 transitions. [2023-11-30 08:29:18,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 546 transitions. [2023-11-30 08:29:18,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:18,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 546 transitions. [2023-11-30 08:29:18,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 136.5) internal successors, (546), 4 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:18,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:18,428 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:18,429 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -10 predicate places. [2023-11-30 08:29:18,429 INFO L500 AbstractCegarLoop]: Abstraction has has 183 places, 133 transitions, 1277 flow [2023-11-30 08:29:18,429 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:18,429 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:18,429 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:18,429 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 08:29:18,429 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:18,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:18,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887107, now seen corresponding path program 1 times [2023-11-30 08:29:18,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:18,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760695629] [2023-11-30 08:29:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:18,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:18,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760695629] [2023-11-30 08:29:18,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760695629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:18,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:18,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:18,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659283302] [2023-11-30 08:29:18,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:18,510 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:18,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:18,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:18,510 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:18,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 133 transitions, 1277 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:18,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:18,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:18,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:19,460 INFO L124 PetriNetUnfolderBase]: 1063/2008 cut-off events. [2023-11-30 08:29:19,460 INFO L125 PetriNetUnfolderBase]: For 9830/41582 co-relation queries the response was YES. [2023-11-30 08:29:19,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28222 conditions, 2008 events. 1063/2008 cut-off events. For 9830/41582 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 14051 event pairs, 1063 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 27563. Up to 1729 conditions per place. [2023-11-30 08:29:19,485 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 31 selfloop transitions, 3 changer transitions 0/131 dead transitions. [2023-11-30 08:29:19,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 131 transitions, 1285 flow [2023-11-30 08:29:19,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 544 transitions. [2023-11-30 08:29:19,487 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6238532110091743 [2023-11-30 08:29:19,487 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 544 transitions. [2023-11-30 08:29:19,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 544 transitions. [2023-11-30 08:29:19,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:19,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 544 transitions. [2023-11-30 08:29:19,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 136.0) internal successors, (544), 4 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:19,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:19,489 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:19,489 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -9 predicate places. [2023-11-30 08:29:19,489 INFO L500 AbstractCegarLoop]: Abstraction has has 184 places, 131 transitions, 1285 flow [2023-11-30 08:29:19,489 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:19,489 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:19,490 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:19,490 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 08:29:19,490 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:19,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887105, now seen corresponding path program 1 times [2023-11-30 08:29:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:19,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906929920] [2023-11-30 08:29:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:19,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:19,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906929920] [2023-11-30 08:29:19,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906929920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:19,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:19,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:19,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297610168] [2023-11-30 08:29:19,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:19,614 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:19,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:19,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:19,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:19,615 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:19,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 131 transitions, 1285 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:19,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:19,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:19,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:20,304 INFO L124 PetriNetUnfolderBase]: 750/1497 cut-off events. [2023-11-30 08:29:20,304 INFO L125 PetriNetUnfolderBase]: For 8871/24801 co-relation queries the response was YES. [2023-11-30 08:29:20,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21577 conditions, 1497 events. 750/1497 cut-off events. For 8871/24801 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 10096 event pairs, 750 based on Foata normal form. 0/594 useless extension candidates. Maximal degree in co-relation 20920. Up to 1240 conditions per place. [2023-11-30 08:29:20,320 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 29 selfloop transitions, 3 changer transitions 0/129 dead transitions. [2023-11-30 08:29:20,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 129 transitions, 1285 flow [2023-11-30 08:29:20,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 542 transitions. [2023-11-30 08:29:20,322 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6215596330275229 [2023-11-30 08:29:20,322 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 542 transitions. [2023-11-30 08:29:20,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 542 transitions. [2023-11-30 08:29:20,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:20,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 542 transitions. [2023-11-30 08:29:20,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 135.5) internal successors, (542), 4 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,324 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,324 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -8 predicate places. [2023-11-30 08:29:20,325 INFO L500 AbstractCegarLoop]: Abstraction has has 185 places, 129 transitions, 1285 flow [2023-11-30 08:29:20,326 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,326 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:20,326 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:20,327 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 08:29:20,327 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:20,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:20,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1043887104, now seen corresponding path program 1 times [2023-11-30 08:29:20,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:20,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126513149] [2023-11-30 08:29:20,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:20,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:20,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:20,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126513149] [2023-11-30 08:29:20,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126513149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:20,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:20,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067409340] [2023-11-30 08:29:20,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:20,414 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:20,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:20,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:20,414 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:20,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 129 transitions, 1285 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:20,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:20,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:20,853 INFO L124 PetriNetUnfolderBase]: 479/1050 cut-off events. [2023-11-30 08:29:20,853 INFO L125 PetriNetUnfolderBase]: For 7753/13865 co-relation queries the response was YES. [2023-11-30 08:29:20,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15110 conditions, 1050 events. 479/1050 cut-off events. For 7753/13865 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 6593 event pairs, 479 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 14459. Up to 815 conditions per place. [2023-11-30 08:29:20,865 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 27 selfloop transitions, 3 changer transitions 0/127 dead transitions. [2023-11-30 08:29:20,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 127 transitions, 1277 flow [2023-11-30 08:29:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 540 transitions. [2023-11-30 08:29:20,867 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6192660550458715 [2023-11-30 08:29:20,867 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 540 transitions. [2023-11-30 08:29:20,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 540 transitions. [2023-11-30 08:29:20,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:20,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 540 transitions. [2023-11-30 08:29:20,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,870 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,870 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -7 predicate places. [2023-11-30 08:29:20,870 INFO L500 AbstractCegarLoop]: Abstraction has has 186 places, 127 transitions, 1277 flow [2023-11-30 08:29:20,870 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,870 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:20,870 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:20,870 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 08:29:20,870 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:20,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:20,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170989, now seen corresponding path program 1 times [2023-11-30 08:29:20,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:20,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336033480] [2023-11-30 08:29:20,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:20,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:20,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:20,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336033480] [2023-11-30 08:29:20,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336033480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:20,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:20,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:20,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981785729] [2023-11-30 08:29:20,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:20,926 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:20,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:20,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:20,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:20,927 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:20,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 127 transitions, 1277 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:20,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:20,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:20,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:21,285 INFO L124 PetriNetUnfolderBase]: 386/883 cut-off events. [2023-11-30 08:29:21,285 INFO L125 PetriNetUnfolderBase]: For 7838/13074 co-relation queries the response was YES. [2023-11-30 08:29:21,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12983 conditions, 883 events. 386/883 cut-off events. For 7838/13074 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 5255 event pairs, 386 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 12343. Up to 662 conditions per place. [2023-11-30 08:29:21,295 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 25 selfloop transitions, 3 changer transitions 0/125 dead transitions. [2023-11-30 08:29:21,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 125 transitions, 1261 flow [2023-11-30 08:29:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 538 transitions. [2023-11-30 08:29:21,296 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6169724770642202 [2023-11-30 08:29:21,296 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 538 transitions. [2023-11-30 08:29:21,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 538 transitions. [2023-11-30 08:29:21,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:21,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 538 transitions. [2023-11-30 08:29:21,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.5) internal successors, (538), 4 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,298 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,298 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -6 predicate places. [2023-11-30 08:29:21,299 INFO L500 AbstractCegarLoop]: Abstraction has has 187 places, 125 transitions, 1261 flow [2023-11-30 08:29:21,299 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,299 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:21,299 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:21,299 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 08:29:21,299 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:21,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:21,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170978, now seen corresponding path program 1 times [2023-11-30 08:29:21,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:21,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516566814] [2023-11-30 08:29:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:21,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:21,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:21,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516566814] [2023-11-30 08:29:21,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516566814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:21,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:21,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271361693] [2023-11-30 08:29:21,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:21,344 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:21,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:21,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:21,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:21,345 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:21,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 125 transitions, 1261 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:21,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:21,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:21,654 INFO L124 PetriNetUnfolderBase]: 303/732 cut-off events. [2023-11-30 08:29:21,654 INFO L125 PetriNetUnfolderBase]: For 7820/12176 co-relation queries the response was YES. [2023-11-30 08:29:21,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10872 conditions, 732 events. 303/732 cut-off events. For 7820/12176 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 4138 event pairs, 303 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 10247. Up to 525 conditions per place. [2023-11-30 08:29:21,662 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 23 selfloop transitions, 3 changer transitions 0/123 dead transitions. [2023-11-30 08:29:21,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 123 transitions, 1237 flow [2023-11-30 08:29:21,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:21,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 536 transitions. [2023-11-30 08:29:21,663 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6146788990825688 [2023-11-30 08:29:21,663 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 536 transitions. [2023-11-30 08:29:21,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 536 transitions. [2023-11-30 08:29:21,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:21,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 536 transitions. [2023-11-30 08:29:21,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,665 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,666 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -5 predicate places. [2023-11-30 08:29:21,666 INFO L500 AbstractCegarLoop]: Abstraction has has 188 places, 123 transitions, 1237 flow [2023-11-30 08:29:21,666 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,666 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:21,666 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:21,666 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 08:29:21,666 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:21,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:21,667 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170977, now seen corresponding path program 1 times [2023-11-30 08:29:21,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:21,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604753080] [2023-11-30 08:29:21,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:21,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:21,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:21,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604753080] [2023-11-30 08:29:21,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604753080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:21,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:21,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:21,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027299760] [2023-11-30 08:29:21,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:21,704 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:21,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:21,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:21,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:21,705 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:21,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 123 transitions, 1237 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:21,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:21,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:21,970 INFO L124 PetriNetUnfolderBase]: 230/597 cut-off events. [2023-11-30 08:29:21,970 INFO L125 PetriNetUnfolderBase]: For 7689/11185 co-relation queries the response was YES. [2023-11-30 08:29:21,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8825 conditions, 597 events. 230/597 cut-off events. For 7689/11185 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 3112 event pairs, 230 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 8219. Up to 404 conditions per place. [2023-11-30 08:29:21,976 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 21 selfloop transitions, 3 changer transitions 0/121 dead transitions. [2023-11-30 08:29:21,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 121 transitions, 1205 flow [2023-11-30 08:29:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 534 transitions. [2023-11-30 08:29:21,977 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6123853211009175 [2023-11-30 08:29:21,978 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 534 transitions. [2023-11-30 08:29:21,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 534 transitions. [2023-11-30 08:29:21,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:21,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 534 transitions. [2023-11-30 08:29:21,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,980 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,980 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -4 predicate places. [2023-11-30 08:29:21,980 INFO L500 AbstractCegarLoop]: Abstraction has has 189 places, 121 transitions, 1205 flow [2023-11-30 08:29:21,980 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:21,980 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:21,980 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:21,980 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 08:29:21,980 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:21,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170996, now seen corresponding path program 1 times [2023-11-30 08:29:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:21,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098035419] [2023-11-30 08:29:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:21,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:22,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:22,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098035419] [2023-11-30 08:29:22,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098035419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:22,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:22,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:22,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19263965] [2023-11-30 08:29:22,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:22,034 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:22,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:22,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:22,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:22,035 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:22,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 121 transitions, 1205 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:22,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:22,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:22,242 INFO L124 PetriNetUnfolderBase]: 167/478 cut-off events. [2023-11-30 08:29:22,242 INFO L125 PetriNetUnfolderBase]: For 7429/10109 co-relation queries the response was YES. [2023-11-30 08:29:22,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6890 conditions, 478 events. 167/478 cut-off events. For 7429/10109 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2283 event pairs, 167 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 6307. Up to 299 conditions per place. [2023-11-30 08:29:22,247 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 19 selfloop transitions, 3 changer transitions 0/119 dead transitions. [2023-11-30 08:29:22,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 119 transitions, 1165 flow [2023-11-30 08:29:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 532 transitions. [2023-11-30 08:29:22,249 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6100917431192661 [2023-11-30 08:29:22,249 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 532 transitions. [2023-11-30 08:29:22,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 532 transitions. [2023-11-30 08:29:22,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:22,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 532 transitions. [2023-11-30 08:29:22,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,251 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,252 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -3 predicate places. [2023-11-30 08:29:22,252 INFO L500 AbstractCegarLoop]: Abstraction has has 190 places, 119 transitions, 1165 flow [2023-11-30 08:29:22,252 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,252 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:22,252 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:22,252 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 08:29:22,252 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:22,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170983, now seen corresponding path program 1 times [2023-11-30 08:29:22,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:22,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011251943] [2023-11-30 08:29:22,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:22,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:22,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:22,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011251943] [2023-11-30 08:29:22,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011251943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:22,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:22,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:22,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138366232] [2023-11-30 08:29:22,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:22,296 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:22,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:22,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:22,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:22,296 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:22,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 119 transitions, 1165 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:22,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:22,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:22,461 INFO L124 PetriNetUnfolderBase]: 114/375 cut-off events. [2023-11-30 08:29:22,461 INFO L125 PetriNetUnfolderBase]: For 7030/8962 co-relation queries the response was YES. [2023-11-30 08:29:22,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5115 conditions, 375 events. 114/375 cut-off events. For 7030/8962 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1537 event pairs, 114 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 4559. Up to 210 conditions per place. [2023-11-30 08:29:22,464 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 17 selfloop transitions, 3 changer transitions 0/117 dead transitions. [2023-11-30 08:29:22,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 117 transitions, 1117 flow [2023-11-30 08:29:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2023-11-30 08:29:22,468 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6077981651376146 [2023-11-30 08:29:22,468 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 530 transitions. [2023-11-30 08:29:22,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 530 transitions. [2023-11-30 08:29:22,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:22,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 530 transitions. [2023-11-30 08:29:22,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,481 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,482 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2023-11-30 08:29:22,482 INFO L500 AbstractCegarLoop]: Abstraction has has 191 places, 117 transitions, 1117 flow [2023-11-30 08:29:22,482 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,482 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:22,482 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:22,482 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-30 08:29:22,482 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:22,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:22,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170984, now seen corresponding path program 1 times [2023-11-30 08:29:22,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:22,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943189369] [2023-11-30 08:29:22,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:22,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:22,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:22,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943189369] [2023-11-30 08:29:22,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943189369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:22,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:22,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:22,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401039693] [2023-11-30 08:29:22,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:22,534 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:22,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:22,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:22,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:22,535 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:22,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 117 transitions, 1117 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:22,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:22,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:22,675 INFO L124 PetriNetUnfolderBase]: 71/288 cut-off events. [2023-11-30 08:29:22,675 INFO L125 PetriNetUnfolderBase]: For 6482/7758 co-relation queries the response was YES. [2023-11-30 08:29:22,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3548 conditions, 288 events. 71/288 cut-off events. For 6482/7758 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 990 event pairs, 71 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 3023. Up to 137 conditions per place. [2023-11-30 08:29:22,678 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 15 selfloop transitions, 3 changer transitions 0/115 dead transitions. [2023-11-30 08:29:22,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 115 transitions, 1061 flow [2023-11-30 08:29:22,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2023-11-30 08:29:22,679 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6055045871559633 [2023-11-30 08:29:22,679 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 528 transitions. [2023-11-30 08:29:22,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 528 transitions. [2023-11-30 08:29:22,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:22,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 528 transitions. [2023-11-30 08:29:22,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,682 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,682 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, -1 predicate places. [2023-11-30 08:29:22,682 INFO L500 AbstractCegarLoop]: Abstraction has has 192 places, 115 transitions, 1061 flow [2023-11-30 08:29:22,682 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,682 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:22,682 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:22,682 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-30 08:29:22,683 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:22,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:22,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170990, now seen corresponding path program 1 times [2023-11-30 08:29:22,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:22,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554693939] [2023-11-30 08:29:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:22,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:22,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554693939] [2023-11-30 08:29:22,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554693939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:22,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:22,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:22,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535720786] [2023-11-30 08:29:22,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:22,743 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:22,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:22,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:22,744 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:22,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 115 transitions, 1061 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:22,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:22,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:22,841 INFO L124 PetriNetUnfolderBase]: 38/217 cut-off events. [2023-11-30 08:29:22,841 INFO L125 PetriNetUnfolderBase]: For 5771/6507 co-relation queries the response was YES. [2023-11-30 08:29:22,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2237 conditions, 217 events. 38/217 cut-off events. For 5771/6507 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 528 event pairs, 38 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 1747. Up to 80 conditions per place. [2023-11-30 08:29:22,843 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 13 selfloop transitions, 3 changer transitions 0/113 dead transitions. [2023-11-30 08:29:22,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 113 transitions, 997 flow [2023-11-30 08:29:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 526 transitions. [2023-11-30 08:29:22,844 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6032110091743119 [2023-11-30 08:29:22,844 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 526 transitions. [2023-11-30 08:29:22,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 526 transitions. [2023-11-30 08:29:22,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:22,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 526 transitions. [2023-11-30 08:29:22,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,847 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,847 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, 0 predicate places. [2023-11-30 08:29:22,847 INFO L500 AbstractCegarLoop]: Abstraction has has 193 places, 113 transitions, 997 flow [2023-11-30 08:29:22,847 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,847 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:29:22,847 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:22,847 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-30 08:29:22,847 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2023-11-30 08:29:22,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:29:22,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2125170995, now seen corresponding path program 1 times [2023-11-30 08:29:22,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:29:22,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568049122] [2023-11-30 08:29:22,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:29:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:29:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:29:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:29:22,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:29:22,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568049122] [2023-11-30 08:29:22,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568049122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:29:22,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:29:22,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:29:22,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290947180] [2023-11-30 08:29:22,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:29:22,904 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:29:22,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:29:22,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:29:22,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:29:22,904 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 218 [2023-11-30 08:29:22,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 113 transitions, 997 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:29:22,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 218 [2023-11-30 08:29:22,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:29:22,961 INFO L124 PetriNetUnfolderBase]: 15/162 cut-off events. [2023-11-30 08:29:22,961 INFO L125 PetriNetUnfolderBase]: For 4885/5221 co-relation queries the response was YES. [2023-11-30 08:29:22,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 162 events. 15/162 cut-off events. For 4885/5221 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 779. Up to 39 conditions per place. [2023-11-30 08:29:22,961 INFO L140 encePairwiseOnDemand]: 213/218 looper letters, 0 selfloop transitions, 0 changer transitions 111/111 dead transitions. [2023-11-30 08:29:22,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 111 transitions, 925 flow [2023-11-30 08:29:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:29:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:29:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 524 transitions. [2023-11-30 08:29:22,962 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6009174311926605 [2023-11-30 08:29:22,963 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 524 transitions. [2023-11-30 08:29:22,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 524 transitions. [2023-11-30 08:29:22,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:29:22,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 524 transitions. [2023-11-30 08:29:22,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,964 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:22,965 INFO L307 CegarLoopForPetriNet]: 193 programPoint places, 1 predicate places. [2023-11-30 08:29:22,965 INFO L500 AbstractCegarLoop]: Abstraction has has 194 places, 111 transitions, 925 flow [2023-11-30 08:29:22,965 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:29:23,004 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-collitem-subst.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 08:29:23,045 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (146 of 147 remaining) [2023-11-30 08:29:23,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (145 of 147 remaining) [2023-11-30 08:29:23,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (144 of 147 remaining) [2023-11-30 08:29:23,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (143 of 147 remaining) [2023-11-30 08:29:23,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (142 of 147 remaining) [2023-11-30 08:29:23,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (141 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (140 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 147 remaining) [2023-11-30 08:29:23,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 147 remaining) [2023-11-30 08:29:23,049 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 147 remaining) [2023-11-30 08:29:23,050 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 147 remaining) [2023-11-30 08:29:23,050 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 147 remaining) [2023-11-30 08:29:23,050 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 147 remaining) [2023-11-30 08:29:23,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 147 remaining) [2023-11-30 08:29:23,052 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 147 remaining) [2023-11-30 08:29:23,053 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (74 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 147 remaining) [2023-11-30 08:29:23,054 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 147 remaining) [2023-11-30 08:29:23,055 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 147 remaining) [2023-11-30 08:29:23,056 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 147 remaining) [2023-11-30 08:29:23,057 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 147 remaining) [2023-11-30 08:29:23,058 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 147 remaining) [2023-11-30 08:29:23,058 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-30 08:29:23,059 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:29:23,065 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:29:23,065 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:29:23,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:29:23 BasicIcfg [2023-11-30 08:29:23,070 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:29:23,070 INFO L158 Benchmark]: Toolchain (without parser) took 71218.12ms. Allocated memory was 438.3MB in the beginning and 9.7GB in the end (delta: 9.3GB). Free memory was 401.4MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 7.0GB. Max. memory is 16.0GB. [2023-11-30 08:29:23,070 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 438.3MB. Free memory is still 393.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:29:23,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.38ms. Allocated memory is still 438.3MB. Free memory was 401.0MB in the beginning and 389.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 08:29:23,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.99ms. Allocated memory is still 438.3MB. Free memory was 389.2MB in the beginning and 385.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 08:29:23,071 INFO L158 Benchmark]: Boogie Preprocessor took 26.50ms. Allocated memory is still 438.3MB. Free memory was 385.5MB in the beginning and 382.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:29:23,071 INFO L158 Benchmark]: RCFGBuilder took 2392.50ms. Allocated memory was 438.3MB in the beginning and 534.8MB in the end (delta: 96.5MB). Free memory was 382.9MB in the beginning and 237.0MB in the end (delta: 146.0MB). Peak memory consumption was 306.4MB. Max. memory is 16.0GB. [2023-11-30 08:29:23,071 INFO L158 Benchmark]: TraceAbstraction took 68580.38ms. Allocated memory was 534.8MB in the beginning and 9.7GB in the end (delta: 9.2GB). Free memory was 235.9MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 6.7GB. Max. memory is 16.0GB. [2023-11-30 08:29:23,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 438.3MB. Free memory is still 393.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 178.38ms. Allocated memory is still 438.3MB. Free memory was 401.0MB in the beginning and 389.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 35.99ms. Allocated memory is still 438.3MB. Free memory was 389.2MB in the beginning and 385.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.50ms. Allocated memory is still 438.3MB. Free memory was 385.5MB in the beginning and 382.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 2392.50ms. Allocated memory was 438.3MB in the beginning and 534.8MB in the end (delta: 96.5MB). Free memory was 382.9MB in the beginning and 237.0MB in the end (delta: 146.0MB). Peak memory consumption was 306.4MB. Max. memory is 16.0GB. * TraceAbstraction took 68580.38ms. Allocated memory was 534.8MB in the beginning and 9.7GB in the end (delta: 9.2GB). Free memory was 235.9MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 6.7GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 307 locations, 147 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 67.7s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 65.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 808 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 808 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1640 IncrementalHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 120 mSDtfsCounter, 1640 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1285occurred in iteration=15, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2048 NumberOfCodeBlocks, 2048 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2023 ConstructedInterpolants, 0 QuantifiedInterpolants, 4327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 08:29:23,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...