/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -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.pointer.base.address.is.valid.at.dereference ASSERTandASSUME --cacsl2boogietranslator.pointer.to.allocated.memory.at.dereference ASSERTandASSUME --cacsl2boogietranslator.check.array.bounds.for.arrays.that.are.off.heap ASSERTandASSUME --cacsl2boogietranslator.check.if.freed.pointer.was.valid true --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true -i ../../../trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-6bf5761-m [2023-12-05 21:20:02,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-05 21:20:02,171 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 [2023-12-05 21:20:02,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-05 21:20:02,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-05 21:20:02,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-05 21:20:02,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-05 21:20:02,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-05 21:20:02,188 INFO L153 SettingsManager]: * Use SBE=true [2023-12-05 21:20:02,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-05 21:20:02,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-05 21:20:02,189 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-05 21:20:02,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-05 21:20:02,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-05 21:20:02,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-05 21:20:02,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-05 21:20:02,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-05 21:20:02,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-05 21:20:02,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-05 21:20:02,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-05 21:20:02,191 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-05 21:20:02,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-05 21:20:02,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-05 21:20:02,192 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-05 21:20:02,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-05 21:20:02,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-05 21:20:02,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-05 21:20:02,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-05 21:20:02,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-05 21:20:02,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-05 21:20:02,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-05 21:20:02,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-05 21:20:02,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-05 21:20:02,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer base address is valid at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer to allocated memory at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check array bounds for arrays that are off heap -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check if freed pointer was valid -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2023-12-05 21:20:02,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-05 21:20:02,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-05 21:20:02,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-05 21:20:02,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-05 21:20:02,398 INFO L274 PluginConnector]: CDTParser initialized [2023-12-05 21:20:02,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c [2023-12-05 21:20:03,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-05 21:20:03,729 INFO L384 CDTParser]: Found 1 translation units. [2023-12-05 21:20:03,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c [2023-12-05 21:20:03,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568efc6fd/f9218ff26f2b46879bf00c5ce5a81014/FLAG31aaf4710 [2023-12-05 21:20:03,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568efc6fd/f9218ff26f2b46879bf00c5ce5a81014 [2023-12-05 21:20:03,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-05 21:20:03,751 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-05 21:20:03,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-05 21:20:03,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-05 21:20:03,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-05 21:20:03,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4e5249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03, skipping insertion in model container [2023-12-05 21:20:03,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-05 21:20:03,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-05 21:20:03,894 INFO L202 MainTranslator]: Completed pre-run [2023-12-05 21:20:03,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-05 21:20:03,922 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-05 21:20:03,922 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-05 21:20:03,927 INFO L206 MainTranslator]: Completed translation [2023-12-05 21:20:03,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03 WrapperNode [2023-12-05 21:20:03,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-05 21:20:03,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-05 21:20:03,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-05 21:20:03,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-05 21:20:03,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,974 INFO L138 Inliner]: procedures = 25, calls = 121, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 273 [2023-12-05 21:20:03,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-05 21:20:03,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-05 21:20:03,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-05 21:20:03,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-05 21:20:03,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:03,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:04,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:04,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-05 21:20:04,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-05 21:20:04,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-05 21:20:04,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-05 21:20:04,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (1/1) ... [2023-12-05 21:20:04,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-05 21:20:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-05 21:20:04,045 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) [2023-12-05 21:20:04,063 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 [2023-12-05 21:20:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-05 21:20:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-05 21:20:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-05 21:20:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-05 21:20:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-05 21:20:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-05 21:20:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-05 21:20:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-05 21:20:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-05 21:20:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-05 21:20:04,076 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-05 21:20:04,172 INFO L241 CfgBuilder]: Building ICFG [2023-12-05 21:20:04,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-05 21:20:04,559 INFO L282 CfgBuilder]: Performing block encoding [2023-12-05 21:20:04,642 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-05 21:20:04,642 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-05 21:20:04,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:20:04 BoogieIcfgContainer [2023-12-05 21:20:04,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-05 21:20:04,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-05 21:20:04,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-05 21:20:04,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-05 21:20:04,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:20:03" (1/3) ... [2023-12-05 21:20:04,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aad384e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:20:04, skipping insertion in model container [2023-12-05 21:20:04,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:20:03" (2/3) ... [2023-12-05 21:20:04,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aad384e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:20:04, skipping insertion in model container [2023-12-05 21:20:04,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:20:04" (3/3) ... [2023-12-05 21:20:04,671 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2023-12-05 21:20:04,684 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-05 21:20:04,685 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-12-05 21:20:04,685 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-05 21:20:04,801 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-12-05 21:20:04,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 304 transitions, 674 flow [2023-12-05 21:20:04,946 INFO L124 PetriNetUnfolderBase]: 14/272 cut-off events. [2023-12-05 21:20:04,946 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-12-05 21:20:04,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 272 events. 14/272 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 535 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 227. Up to 3 conditions per place. [2023-12-05 21:20:04,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 309 places, 304 transitions, 674 flow [2023-12-05 21:20:04,963 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 256 places, 250 transitions, 545 flow [2023-12-05 21:20:04,974 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-05 21:20:04,979 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;@176feb3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-05 21:20:04,979 INFO L363 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-12-05 21:20:04,995 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-05 21:20:04,996 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2023-12-05 21:20:04,996 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-05 21:20:04,996 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:20:04,996 INFO L233 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] [2023-12-05 21:20:04,997 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:20:05,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:20:05,000 INFO L85 PathProgramCache]: Analyzing trace with hash 638531860, now seen corresponding path program 1 times [2023-12-05 21:20:05,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:20:05,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633049508] [2023-12-05 21:20:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:20:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:20:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:20:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:20:05,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:20:05,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633049508] [2023-12-05 21:20:05,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633049508] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:20:05,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:20:05,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:20:05,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766558579] [2023-12-05 21:20:05,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:20:05,415 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:20:05,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:20:05,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:20:05,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:20:05,449 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 308 [2023-12-05 21:20:05,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 250 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:05,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:20:05,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 308 [2023-12-05 21:20:05,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:20:16,751 INFO L124 PetriNetUnfolderBase]: 38268/85163 cut-off events. [2023-12-05 21:20:16,751 INFO L125 PetriNetUnfolderBase]: For 7948/8221 co-relation queries the response was YES. [2023-12-05 21:20:17,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140793 conditions, 85163 events. 38268/85163 cut-off events. For 7948/8221 co-relation queries the response was YES. Maximal size of possible extension queue 2628. Compared 1007742 event pairs, 24216 based on Foata normal form. 15261/83654 useless extension candidates. Maximal degree in co-relation 138015. Up to 43539 conditions per place. [2023-12-05 21:20:17,949 INFO L140 encePairwiseOnDemand]: 295/308 looper letters, 112 selfloop transitions, 6 changer transitions 1/298 dead transitions. [2023-12-05 21:20:17,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 298 transitions, 919 flow [2023-12-05 21:20:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:20:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:20:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2023-12-05 21:20:17,961 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8376623376623377 [2023-12-05 21:20:17,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2023-12-05 21:20:17,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2023-12-05 21:20:17,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:20:17,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2023-12-05 21:20:17,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:17,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:17,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:17,976 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 1 predicate places. [2023-12-05 21:20:17,976 INFO L500 AbstractCegarLoop]: Abstraction has has 257 places, 298 transitions, 919 flow [2023-12-05 21:20:17,977 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:17,977 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:20:17,977 INFO L233 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] [2023-12-05 21:20:17,977 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-05 21:20:17,977 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:20:17,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:20:17,978 INFO L85 PathProgramCache]: Analyzing trace with hash 638531861, now seen corresponding path program 1 times [2023-12-05 21:20:17,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:20:17,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762018691] [2023-12-05 21:20:17,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:20:17,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:20:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:20:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:20:18,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:20:18,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762018691] [2023-12-05 21:20:18,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762018691] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:20:18,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:20:18,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:20:18,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676679948] [2023-12-05 21:20:18,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:20:18,278 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:20:18,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:20:18,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:20:18,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:20:18,279 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 308 [2023-12-05 21:20:18,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 298 transitions, 919 flow. Second operand has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:18,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:20:18,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 308 [2023-12-05 21:20:18,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:20:21,198 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 185#L236-4true, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:21,198 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:20:21,198 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:21,198 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:21,198 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:21,201 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 185#L236-4true, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:21,201 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:20:21,201 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:21,201 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:21,201 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:21,747 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:21,747 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:20:21,747 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:20:21,747 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:21,747 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:21,749 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:21,749 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:20:21,749 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:21,749 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:21,749 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:20:23,452 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 185#L236-4true, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:23,453 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:20:23,453 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:23,453 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:20:23,453 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:23,456 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 185#L236-4true, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:23,456 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:20:23,456 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:23,457 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:23,457 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:20:24,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:24,387 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:20:24,387 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:24,387 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:24,388 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:20:24,390 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][139], [113#L57true, 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:24,391 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:20:24,391 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:24,391 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:24,396 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:20:29,851 INFO L124 PetriNetUnfolderBase]: 42288/94256 cut-off events. [2023-12-05 21:20:29,851 INFO L125 PetriNetUnfolderBase]: For 28615/38682 co-relation queries the response was YES. [2023-12-05 21:20:30,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198766 conditions, 94256 events. 42288/94256 cut-off events. For 28615/38682 co-relation queries the response was YES. Maximal size of possible extension queue 3067. Compared 1144608 event pairs, 27446 based on Foata normal form. 0/84095 useless extension candidates. Maximal degree in co-relation 193118. Up to 48079 conditions per place. [2023-12-05 21:20:31,454 INFO L140 encePairwiseOnDemand]: 305/308 looper letters, 95 selfloop transitions, 1 changer transitions 1/295 dead transitions. [2023-12-05 21:20:31,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 295 transitions, 1099 flow [2023-12-05 21:20:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:20:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:20:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2023-12-05 21:20:31,456 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7943722943722944 [2023-12-05 21:20:31,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2023-12-05 21:20:31,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2023-12-05 21:20:31,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:20:31,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2023-12-05 21:20:31,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:31,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:31,460 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:31,461 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 1 predicate places. [2023-12-05 21:20:31,461 INFO L500 AbstractCegarLoop]: Abstraction has has 257 places, 295 transitions, 1099 flow [2023-12-05 21:20:31,462 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:31,462 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:20:31,462 INFO L233 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, 1, 1, 1] [2023-12-05 21:20:31,462 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-05 21:20:31,462 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:20:31,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:20:31,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1163934096, now seen corresponding path program 1 times [2023-12-05 21:20:31,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:20:31,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507359413] [2023-12-05 21:20:31,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:20:31,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:20:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:20:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:20:31,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:20:31,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507359413] [2023-12-05 21:20:31,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507359413] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:20:31,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:20:31,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:20:31,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820311315] [2023-12-05 21:20:31,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:20:31,587 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:20:31,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:20:31,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:20:31,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:20:31,589 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 308 [2023-12-05 21:20:31,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 295 transitions, 1099 flow. Second operand 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) [2023-12-05 21:20:31,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:20:31,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 308 [2023-12-05 21:20:31,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:20:34,576 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:34,577 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:20:34,577 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:34,577 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:34,577 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:34,578 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:34,578 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:20:34,578 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:34,578 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:34,578 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:35,176 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:35,176 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:20:35,176 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:20:35,176 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:35,176 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:35,177 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:35,177 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:20:35,177 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:35,177 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:20:35,177 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:36,715 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:36,715 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:20:36,715 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:20:36,715 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:36,715 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:36,716 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:36,716 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:20:36,716 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:36,716 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:36,716 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:20:37,537 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:37,538 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:20:37,538 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:37,538 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:37,538 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:20:37,539 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][138], [113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:37,539 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:20:37,539 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:20:37,539 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:37,539 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:43,830 INFO L124 PetriNetUnfolderBase]: 43523/97014 cut-off events. [2023-12-05 21:20:43,830 INFO L125 PetriNetUnfolderBase]: For 61148/86612 co-relation queries the response was YES. [2023-12-05 21:20:44,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255614 conditions, 97014 events. 43523/97014 cut-off events. For 61148/86612 co-relation queries the response was YES. Maximal size of possible extension queue 3148. Compared 1183313 event pairs, 27253 based on Foata normal form. 123/86532 useless extension candidates. Maximal degree in co-relation 245909. Up to 49535 conditions per place. [2023-12-05 21:20:45,457 INFO L140 encePairwiseOnDemand]: 299/308 looper letters, 182 selfloop transitions, 9 changer transitions 3/371 dead transitions. [2023-12-05 21:20:45,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 371 transitions, 1961 flow [2023-12-05 21:20:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:20:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:20:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2023-12-05 21:20:45,459 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.827922077922078 [2023-12-05 21:20:45,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 765 transitions. [2023-12-05 21:20:45,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 765 transitions. [2023-12-05 21:20:45,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:20:45,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 765 transitions. [2023-12-05 21:20:45,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:45,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:45,463 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:45,464 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 3 predicate places. [2023-12-05 21:20:45,464 INFO L500 AbstractCegarLoop]: Abstraction has has 259 places, 371 transitions, 1961 flow [2023-12-05 21:20:45,464 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-12-05 21:20:45,464 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:20:45,464 INFO L233 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, 1, 1, 1] [2023-12-05 21:20:45,464 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-05 21:20:45,464 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:20:45,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:20:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1163934097, now seen corresponding path program 1 times [2023-12-05 21:20:45,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:20:45,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12698559] [2023-12-05 21:20:45,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:20:45,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:20:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:20:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:20:45,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:20:45,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12698559] [2023-12-05 21:20:45,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12698559] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:20:45,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:20:45,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:20:45,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356436663] [2023-12-05 21:20:45,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:20:45,566 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:20:45,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:20:45,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:20:45,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:20:45,571 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 308 [2023-12-05 21:20:45,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 371 transitions, 1961 flow. Second operand has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:20:45,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:20:45,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 308 [2023-12-05 21:20:45,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:20:49,197 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:49,198 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:20:49,198 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:49,198 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:49,198 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:49,202 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:49,202 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:20:49,202 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:49,203 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:20:49,203 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:50,019 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:50,019 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:20:50,019 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:50,020 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:20:50,020 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:50,023 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:50,023 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:20:50,023 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:20:50,023 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:50,023 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:20:52,013 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:52,014 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:20:52,014 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:20:52,014 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:52,014 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:52,018 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:52,018 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:20:52,018 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:52,018 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:20:52,018 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:20:53,088 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, 246#thread1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:53,088 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:20:53,088 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:20:53,092 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:53,092 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:53,095 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][137], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:20:53,096 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:20:53,096 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:53,096 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:20:53,096 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:21:00,629 INFO L124 PetriNetUnfolderBase]: 42899/95917 cut-off events. [2023-12-05 21:21:00,629 INFO L125 PetriNetUnfolderBase]: For 106889/146606 co-relation queries the response was YES. [2023-12-05 21:21:01,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300570 conditions, 95917 events. 42899/95917 cut-off events. For 106889/146606 co-relation queries the response was YES. Maximal size of possible extension queue 3135. Compared 1171300 event pairs, 27023 based on Foata normal form. 277/86088 useless extension candidates. Maximal degree in co-relation 291758. Up to 48704 conditions per place. [2023-12-05 21:21:02,634 INFO L140 encePairwiseOnDemand]: 305/308 looper letters, 150 selfloop transitions, 1 changer transitions 3/367 dead transitions. [2023-12-05 21:21:02,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 367 transitions, 2239 flow [2023-12-05 21:21:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:21:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:21:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 733 transitions. [2023-12-05 21:21:02,636 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7932900432900433 [2023-12-05 21:21:02,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 733 transitions. [2023-12-05 21:21:02,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 733 transitions. [2023-12-05 21:21:02,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:21:02,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 733 transitions. [2023-12-05 21:21:02,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:02,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:02,640 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:02,640 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 3 predicate places. [2023-12-05 21:21:02,641 INFO L500 AbstractCegarLoop]: Abstraction has has 259 places, 367 transitions, 2239 flow [2023-12-05 21:21:02,641 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:02,641 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:21:02,641 INFO L233 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, 1, 1, 1, 1, 1] [2023-12-05 21:21:02,641 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-05 21:21:02,641 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:21:02,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:21:02,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1546233720, now seen corresponding path program 1 times [2023-12-05 21:21:02,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:21:02,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964129920] [2023-12-05 21:21:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:21:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:21:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:21:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:21:02,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:21:02,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964129920] [2023-12-05 21:21:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964129920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:21:02,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:21:02,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:21:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505455550] [2023-12-05 21:21:02,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:21:02,738 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:21:02,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:21:02,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:21:02,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:21:02,740 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 308 [2023-12-05 21:21:02,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 367 transitions, 2239 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:02,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:21:02,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 308 [2023-12-05 21:21:02,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:21:05,557 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 131#thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0NotInUse, 174#$Ultimate##0true, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 185#L236-4true, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:05,557 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-12-05 21:21:05,557 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:21:05,557 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-12-05 21:21:05,557 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:21:06,124 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, 131#thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0NotInUse, 174#$Ultimate##0true, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:06,124 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2023-12-05 21:21:06,124 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2023-12-05 21:21:06,124 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:21:06,124 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-12-05 21:21:07,497 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 131#thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 185#L236-4true, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:07,498 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2023-12-05 21:21:07,498 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2023-12-05 21:21:07,498 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:21:07,498 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-12-05 21:21:08,154 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 6#L237-1true, 131#thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:08,154 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-12-05 21:21:08,154 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-12-05 21:21:08,154 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:21:08,154 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2023-12-05 21:21:08,879 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 199#$Ultimate##0true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:08,879 INFO L294 olderBase$Statistics]: this new event has 160 ancestors and is cut-off event [2023-12-05 21:21:08,879 INFO L297 olderBase$Statistics]: existing Event has 149 ancestors and is cut-off event [2023-12-05 21:21:08,879 INFO L297 olderBase$Statistics]: existing Event has 149 ancestors and is cut-off event [2023-12-05 21:21:08,880 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-12-05 21:21:09,358 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:09,359 INFO L294 olderBase$Statistics]: this new event has 156 ancestors and is cut-off event [2023-12-05 21:21:09,359 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2023-12-05 21:21:09,359 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2023-12-05 21:21:09,359 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2023-12-05 21:21:09,649 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 199#$Ultimate##0true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:09,649 INFO L294 olderBase$Statistics]: this new event has 163 ancestors and is cut-off event [2023-12-05 21:21:09,649 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2023-12-05 21:21:09,649 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2023-12-05 21:21:09,649 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2023-12-05 21:21:10,189 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 18#thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:10,189 INFO L294 olderBase$Statistics]: this new event has 159 ancestors and is cut-off event [2023-12-05 21:21:10,189 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2023-12-05 21:21:10,189 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2023-12-05 21:21:10,189 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2023-12-05 21:21:10,700 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:10,700 INFO L294 olderBase$Statistics]: this new event has 160 ancestors and is cut-off event [2023-12-05 21:21:10,700 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-12-05 21:21:10,700 INFO L297 olderBase$Statistics]: existing Event has 149 ancestors and is cut-off event [2023-12-05 21:21:10,700 INFO L297 olderBase$Statistics]: existing Event has 149 ancestors and is cut-off event [2023-12-05 21:21:11,086 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:11,086 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-12-05 21:21:11,086 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:11,086 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:11,086 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:11,379 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 175#L91true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:11,379 INFO L294 olderBase$Statistics]: this new event has 163 ancestors and is cut-off event [2023-12-05 21:21:11,379 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2023-12-05 21:21:11,379 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2023-12-05 21:21:11,379 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2023-12-05 21:21:11,667 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:11,667 INFO L294 olderBase$Statistics]: this new event has 171 ancestors and is cut-off event [2023-12-05 21:21:11,667 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-12-05 21:21:11,667 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is cut-off event [2023-12-05 21:21:11,667 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-12-05 21:21:11,898 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 124#L105true, 185#L236-4true, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:11,899 INFO L294 olderBase$Statistics]: this new event has 172 ancestors and is cut-off event [2023-12-05 21:21:11,899 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:11,899 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:11,899 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is cut-off event [2023-12-05 21:21:12,391 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 294#L141true, 175#L91true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:12,391 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-12-05 21:21:12,392 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:12,392 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:12,392 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:12,454 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][191], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 124#L105true, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:12,454 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:12,454 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:12,454 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:12,454 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:12,650 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 175#L91true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:12,650 INFO L294 olderBase$Statistics]: this new event has 171 ancestors and is cut-off event [2023-12-05 21:21:12,650 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is cut-off event [2023-12-05 21:21:12,650 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-12-05 21:21:12,650 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-12-05 21:21:12,746 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 100#L175true, 56#L155true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:12,746 INFO L294 olderBase$Statistics]: this new event has 172 ancestors and is cut-off event [2023-12-05 21:21:12,746 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:12,746 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is cut-off event [2023-12-05 21:21:12,746 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:12,870 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][187], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 314#(= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1), 77#thread1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 6#L237-1true, 56#L155true, 100#L175true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 175#L91true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 330#(= 1 (select |#valid| |thread1Thread1of1ForFork1_~#t2~0.base|))]) [2023-12-05 21:21:12,870 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:12,870 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:12,870 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:12,870 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:13,062 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([796] L88-->L91: Formula: (not (= (mod v_~f1_2~0_22 256) 0)) InVars {~f1_2~0=v_~f1_2~0_22} OutVars{~f1_2~0=v_~f1_2~0_22, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][372], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 6#L237-1true, 312#true, 328#true, 62#thread1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 320#true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 175#L91true, 257#L196-6true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:13,062 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:13,062 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:13,062 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:13,062 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:13,123 INFO L124 PetriNetUnfolderBase]: 38553/75188 cut-off events. [2023-12-05 21:21:13,123 INFO L125 PetriNetUnfolderBase]: For 152433/211964 co-relation queries the response was YES. [2023-12-05 21:21:13,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306351 conditions, 75188 events. 38553/75188 cut-off events. For 152433/211964 co-relation queries the response was YES. Maximal size of possible extension queue 2457. Compared 801836 event pairs, 8119 based on Foata normal form. 1125/68378 useless extension candidates. Maximal degree in co-relation 295811. Up to 44334 conditions per place. [2023-12-05 21:21:14,461 INFO L140 encePairwiseOnDemand]: 300/308 looper letters, 243 selfloop transitions, 13 changer transitions 3/434 dead transitions. [2023-12-05 21:21:14,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 434 transitions, 3428 flow [2023-12-05 21:21:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:21:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:21:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2023-12-05 21:21:14,485 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.827922077922078 [2023-12-05 21:21:14,485 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 765 transitions. [2023-12-05 21:21:14,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 765 transitions. [2023-12-05 21:21:14,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:21:14,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 765 transitions. [2023-12-05 21:21:14,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:14,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:14,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:14,490 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 5 predicate places. [2023-12-05 21:21:14,491 INFO L500 AbstractCegarLoop]: Abstraction has has 261 places, 434 transitions, 3428 flow [2023-12-05 21:21:14,491 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:14,491 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:21:14,491 INFO L233 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, 1, 1, 1, 1, 1] [2023-12-05 21:21:14,491 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-05 21:21:14,492 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:21:14,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:21:14,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1546233719, now seen corresponding path program 1 times [2023-12-05 21:21:14,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:21:14,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135829388] [2023-12-05 21:21:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:21:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:21:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:21:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:21:14,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:21:14,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135829388] [2023-12-05 21:21:14,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135829388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:21:14,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:21:14,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:21:14,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301674405] [2023-12-05 21:21:14,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:21:14,581 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:21:14,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:21:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:21:14,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:21:14,582 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 308 [2023-12-05 21:21:14,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 434 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:14,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:21:14,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 308 [2023-12-05 21:21:14,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:21:25,850 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][343], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 320#true, 100#L175true, 328#true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 332#true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:25,851 INFO L294 olderBase$Statistics]: this new event has 172 ancestors and is cut-off event [2023-12-05 21:21:25,852 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:25,852 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:25,852 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is cut-off event [2023-12-05 21:21:26,218 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][343], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 6#L237-1true, 328#true, 320#true, 100#L175true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:26,218 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:26,218 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:26,218 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:26,218 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:26,628 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][343], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 328#true, 320#true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, 332#true, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 294#L141true, 76#L189true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:26,628 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:26,628 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:26,628 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:26,628 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:26,842 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][381], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 100#L175true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, thread4Thread1of1ForFork4InUse, 332#true, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:26,843 INFO L294 olderBase$Statistics]: this new event has 172 ancestors and is cut-off event [2023-12-05 21:21:26,843 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:26,843 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is cut-off event [2023-12-05 21:21:26,843 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-12-05 21:21:26,882 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][343], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 6#L237-1true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 76#L189true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:26,883 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2023-12-05 21:21:26,883 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:26,883 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2023-12-05 21:21:26,883 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:27,086 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][381], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 6#L237-1true, 100#L175true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:27,086 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:27,087 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:27,087 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:27,087 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:27,134 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][381], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 320#true, 328#true, 100#L175true, 56#L155true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, 332#true, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:27,134 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:27,134 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:27,134 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:27,134 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:27,169 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][381], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 312#true, 6#L237-1true, 56#L155true, 328#true, 100#L175true, 320#true, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 67#thread4Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 196#L112-6true]) [2023-12-05 21:21:27,169 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2023-12-05 21:21:27,169 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2023-12-05 21:21:27,169 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:27,169 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:27,177 INFO L124 PetriNetUnfolderBase]: 32994/72392 cut-off events. [2023-12-05 21:21:27,177 INFO L125 PetriNetUnfolderBase]: For 191117/244146 co-relation queries the response was YES. [2023-12-05 21:21:27,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310449 conditions, 72392 events. 32994/72392 cut-off events. For 191117/244146 co-relation queries the response was YES. Maximal size of possible extension queue 2354. Compared 840594 event pairs, 18520 based on Foata normal form. 1444/66073 useless extension candidates. Maximal degree in co-relation 298384. Up to 37837 conditions per place. [2023-12-05 21:21:28,511 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 281 selfloop transitions, 4 changer transitions 3/507 dead transitions. [2023-12-05 21:21:28,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 507 transitions, 4944 flow [2023-12-05 21:21:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:21:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:21:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2023-12-05 21:21:28,513 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8246753246753247 [2023-12-05 21:21:28,513 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 762 transitions. [2023-12-05 21:21:28,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 762 transitions. [2023-12-05 21:21:28,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:21:28,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 762 transitions. [2023-12-05 21:21:28,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:28,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:28,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:28,517 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 5 predicate places. [2023-12-05 21:21:28,517 INFO L500 AbstractCegarLoop]: Abstraction has has 261 places, 507 transitions, 4944 flow [2023-12-05 21:21:28,517 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:28,517 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:21:28,517 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:21:28,518 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-05 21:21:28,518 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:21:28,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:21:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash 62927420, now seen corresponding path program 1 times [2023-12-05 21:21:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:21:28,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104380885] [2023-12-05 21:21:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:21:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:21:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:21:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:21:28,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:21:28,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104380885] [2023-12-05 21:21:28,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104380885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:21:28,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:21:28,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:21:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788095999] [2023-12-05 21:21:28,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:21:28,672 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:21:28,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:21:28,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:21:28,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:21:28,674 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 308 [2023-12-05 21:21:28,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 507 transitions, 4944 flow. Second operand has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:28,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:21:28,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 308 [2023-12-05 21:21:28,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:21:36,441 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 288#thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 312#true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread4Thread1of1ForFork4InUse, 332#true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:36,441 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, 38#L204-3true, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:36,441 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2023-12-05 21:21:36,441 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:36,602 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 182#$Ultimate##0true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 180#L204-4true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:36,602 INFO L294 olderBase$Statistics]: this new event has 165 ancestors and is cut-off event [2023-12-05 21:21:36,602 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2023-12-05 21:21:36,602 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:36,602 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2023-12-05 21:21:37,062 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([905] thread5EXIT-->L205-2: Formula: (and (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem15_8| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread5Thread1of1ForFork5_thidvar0_10) (= v_thread5Thread1of1ForFork5_thidvar3_10 0) (= v_thread5Thread1of1ForFork5_thidvar1_10 0) (= v_thread5Thread1of1ForFork5_thidvar2_10 0)) InVars {thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_10, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_10, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_10, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_10, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_8|} OutVars{thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_10, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_10, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_10, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_10, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_8|} AuxVars[] AssignedVars[][508], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, 182#$Ultimate##0true, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 297#L205-2true, 332#true, thread4Thread1of1ForFork4InUse, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,062 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2023-12-05 21:21:37,062 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2023-12-05 21:21:37,062 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2023-12-05 21:21:37,062 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2023-12-05 21:21:37,062 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([906] thread5EXIT-->L205-2: Formula: (and (= v_thread5Thread1of1ForFork5_thidvar3_12 0) (= v_thread5Thread1of1ForFork5_thidvar1_12 0) (= v_thread5Thread1of1ForFork5_thidvar2_12 0) (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem15_10| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread5Thread1of1ForFork5_thidvar0_12)) InVars {thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_12, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_12, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_12, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_12, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_10|} OutVars{thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_12, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_12, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_12, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_12, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_10|} AuxVars[] AssignedVars[][509], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, 182#$Ultimate##0true, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 297#L205-2true, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,063 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2023-12-05 21:21:37,063 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2023-12-05 21:21:37,063 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2023-12-05 21:21:37,063 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2023-12-05 21:21:37,073 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 100#L175true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 180#L204-4true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,074 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is cut-off event [2023-12-05 21:21:37,074 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:21:37,074 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:21:37,074 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2023-12-05 21:21:37,146 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][480], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 336#true, 312#true, 100#L175true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 185#L236-4true, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,146 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is cut-off event [2023-12-05 21:21:37,146 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:21:37,146 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2023-12-05 21:21:37,146 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 182#$Ultimate##0true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,195 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 182#$Ultimate##0true, 115#L205-1true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,195 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,195 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,196 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,213 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 100#L175true, 328#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,214 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 100#L175true, 320#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 115#L205-1true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 31#$Ultimate##0true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,214 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-12-05 21:21:37,214 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,438 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 100#L175true, 328#true, 320#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,438 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,438 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,438 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,439 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, 100#L175true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 115#L205-1true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,440 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([905] thread5EXIT-->L205-2: Formula: (and (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem15_8| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread5Thread1of1ForFork5_thidvar0_10) (= v_thread5Thread1of1ForFork5_thidvar3_10 0) (= v_thread5Thread1of1ForFork5_thidvar1_10 0) (= v_thread5Thread1of1ForFork5_thidvar2_10 0)) InVars {thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_10, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_10, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_10, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_10, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_8|} OutVars{thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_10, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_10, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_10, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_10, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_8|} AuxVars[] AssignedVars[][508], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, 100#L175true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 297#L205-2true, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,440 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([906] thread5EXIT-->L205-2: Formula: (and (= v_thread5Thread1of1ForFork5_thidvar3_12 0) (= v_thread5Thread1of1ForFork5_thidvar1_12 0) (= v_thread5Thread1of1ForFork5_thidvar2_12 0) (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem15_10| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread5Thread1of1ForFork5_thidvar0_12)) InVars {thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_12, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_12, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_12, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_12, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_10|} OutVars{thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_12, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_12, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_12, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_12, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_10|} AuxVars[] AssignedVars[][509], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 100#L175true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 297#L205-2true, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,440 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:37,440 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:37,441 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:37,441 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:37,490 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][480], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 322#(= (select |#valid| |ULTIMATE.start_main_~#t4~0#1.base|) 1), 336#true, 312#true, 328#true, 100#L175true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,490 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,490 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,490 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,490 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,687 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 100#L175true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 294#L141true, 180#L204-4true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,687 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is cut-off event [2023-12-05 21:21:37,687 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:21:37,687 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:21:37,687 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2023-12-05 21:21:37,907 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 76#L189true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,907 INFO L294 olderBase$Statistics]: this new event has 180 ancestors and is cut-off event [2023-12-05 21:21:37,907 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:37,907 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:37,907 INFO L297 olderBase$Statistics]: existing Event has 180 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([849] L138-->L141: Formula: (not (= (mod v_~f2_11~0_20 256) 0)) InVars {~f2_11~0=v_~f2_11~0_20} OutVars{thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1_1|, thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_1|, ~f2_11~0=v_~f2_11~0_20} AuxVars[] AssignedVars[thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1][410], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 115#L205-1true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 76#L189true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,909 INFO L294 olderBase$Statistics]: this new event has 180 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L297 olderBase$Statistics]: existing Event has 180 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([905] thread5EXIT-->L205-2: Formula: (and (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem15_8| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread5Thread1of1ForFork5_thidvar0_10) (= v_thread5Thread1of1ForFork5_thidvar3_10 0) (= v_thread5Thread1of1ForFork5_thidvar1_10 0) (= v_thread5Thread1of1ForFork5_thidvar2_10 0)) InVars {thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_10, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_10, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_10, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_10, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_8|} OutVars{thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_10, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_10, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_10, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_10, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_8|} AuxVars[] AssignedVars[][508], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 297#L205-2true, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 332#true, thread4Thread1of1ForFork4InUse, 76#L189true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,909 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,909 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([906] thread5EXIT-->L205-2: Formula: (and (= v_thread5Thread1of1ForFork5_thidvar3_12 0) (= v_thread5Thread1of1ForFork5_thidvar1_12 0) (= v_thread5Thread1of1ForFork5_thidvar2_12 0) (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem15_10| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread5Thread1of1ForFork5_thidvar0_12)) InVars {thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_12, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_12, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_12, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_12, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_10|} OutVars{thread5Thread1of1ForFork5_thidvar3=v_thread5Thread1of1ForFork5_thidvar3_12, thread5Thread1of1ForFork5_thidvar2=v_thread5Thread1of1ForFork5_thidvar2_12, thread5Thread1of1ForFork5_thidvar1=v_thread5Thread1of1ForFork5_thidvar1_12, thread5Thread1of1ForFork5_thidvar0=v_thread5Thread1of1ForFork5_thidvar0_12, thread4Thread1of1ForFork4_#t~mem15=|v_thread4Thread1of1ForFork4_#t~mem15_10|} AuxVars[] AssignedVars[][509], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 297#L205-2true, 332#true, thread4Thread1of1ForFork4InUse, 76#L189true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,909 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2023-12-05 21:21:37,910 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,910 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2023-12-05 21:21:37,910 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-12-05 21:21:37,949 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 320#true, 100#L175true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 297#L205-2true, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,949 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2023-12-05 21:21:37,949 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2023-12-05 21:21:37,949 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:37,949 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-12-05 21:21:37,981 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([907] thread6EXIT-->L206-2: Formula: (and (= v_thread6Thread1of1ForFork2_thidvar3_10 0) (= v_thread6Thread1of1ForFork2_thidvar0_10 (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem16_8| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_thread6Thread1of1ForFork2_thidvar1_10 0) (= v_thread6Thread1of1ForFork2_thidvar2_10 0) (= v_thread6Thread1of1ForFork2_thidvar4_10 0)) InVars {thread6Thread1of1ForFork2_thidvar3=v_thread6Thread1of1ForFork2_thidvar3_10, thread6Thread1of1ForFork2_thidvar4=v_thread6Thread1of1ForFork2_thidvar4_10, thread6Thread1of1ForFork2_thidvar1=v_thread6Thread1of1ForFork2_thidvar1_10, thread6Thread1of1ForFork2_thidvar2=v_thread6Thread1of1ForFork2_thidvar2_10, thread6Thread1of1ForFork2_thidvar0=v_thread6Thread1of1ForFork2_thidvar0_10, thread4Thread1of1ForFork4_#t~mem16=|v_thread4Thread1of1ForFork4_#t~mem16_8|} OutVars{thread6Thread1of1ForFork2_thidvar3=v_thread6Thread1of1ForFork2_thidvar3_10, thread6Thread1of1ForFork2_thidvar4=v_thread6Thread1of1ForFork2_thidvar4_10, thread6Thread1of1ForFork2_thidvar1=v_thread6Thread1of1ForFork2_thidvar1_10, thread6Thread1of1ForFork2_thidvar2=v_thread6Thread1of1ForFork2_thidvar2_10, thread6Thread1of1ForFork2_thidvar0=v_thread6Thread1of1ForFork2_thidvar0_10, thread4Thread1of1ForFork4_#t~mem16=|v_thread4Thread1of1ForFork4_#t~mem16_8|} AuxVars[] AssignedVars[][585], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 83#L206-2true, 312#true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,981 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,981 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,981 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,981 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,981 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([908] thread6EXIT-->L206-2: Formula: (and (= v_thread6Thread1of1ForFork2_thidvar4_12 0) (= (let ((.cse0 (mod |v_thread4Thread1of1ForFork4_#t~mem16_10| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread6Thread1of1ForFork2_thidvar0_12) (= v_thread6Thread1of1ForFork2_thidvar3_12 0) (= v_thread6Thread1of1ForFork2_thidvar1_12 0) (= v_thread6Thread1of1ForFork2_thidvar2_12 0)) InVars {thread6Thread1of1ForFork2_thidvar3=v_thread6Thread1of1ForFork2_thidvar3_12, thread6Thread1of1ForFork2_thidvar4=v_thread6Thread1of1ForFork2_thidvar4_12, thread6Thread1of1ForFork2_thidvar1=v_thread6Thread1of1ForFork2_thidvar1_12, thread6Thread1of1ForFork2_thidvar2=v_thread6Thread1of1ForFork2_thidvar2_12, thread6Thread1of1ForFork2_thidvar0=v_thread6Thread1of1ForFork2_thidvar0_12, thread4Thread1of1ForFork4_#t~mem16=|v_thread4Thread1of1ForFork4_#t~mem16_10|} OutVars{thread6Thread1of1ForFork2_thidvar3=v_thread6Thread1of1ForFork2_thidvar3_12, thread6Thread1of1ForFork2_thidvar4=v_thread6Thread1of1ForFork2_thidvar4_12, thread6Thread1of1ForFork2_thidvar1=v_thread6Thread1of1ForFork2_thidvar1_12, thread6Thread1of1ForFork2_thidvar2=v_thread6Thread1of1ForFork2_thidvar2_12, thread6Thread1of1ForFork2_thidvar0=v_thread6Thread1of1ForFork2_thidvar0_12, thread4Thread1of1ForFork4_#t~mem16=|v_thread4Thread1of1ForFork4_#t~mem16_10|} AuxVars[] AssignedVars[][586], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 83#L206-2true, 312#true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,981 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,981 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,982 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,982 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,982 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 100#L175true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,982 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,982 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,982 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,983 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,983 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 100#L175true, 320#true, 328#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 115#L205-1true, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 332#true, thread4Thread1of1ForFork4InUse, 294#L141true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:37,983 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,983 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:37,983 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:21:37,983 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:21:38,002 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 148#thread4Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 328#true, 320#true, 100#L175true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:38,002 INFO L294 olderBase$Statistics]: this new event has 177 ancestors and is cut-off event [2023-12-05 21:21:38,002 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-12-05 21:21:38,002 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is cut-off event [2023-12-05 21:21:38,002 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-12-05 21:21:38,003 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, 100#L175true, 254#L206-1true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5NotInUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:38,003 INFO L294 olderBase$Statistics]: this new event has 177 ancestors and is cut-off event [2023-12-05 21:21:38,003 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-12-05 21:21:38,003 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is cut-off event [2023-12-05 21:21:38,003 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-12-05 21:21:38,004 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 100#L175true, 328#true, 56#L155true, 320#true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, thread2Thread1of1ForFork3NotInUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 332#true, thread4Thread1of1ForFork4InUse, 180#L204-4true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:38,005 INFO L294 olderBase$Statistics]: this new event has 177 ancestors and is cut-off event [2023-12-05 21:21:38,005 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-12-05 21:21:38,005 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is cut-off event [2023-12-05 21:21:38,005 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 328#true, 100#L175true, 56#L155true, 320#true, thread3Thread1of1ForFork0NotInUse, 151#thread1FINALtrue, 52#thread4Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, 332#true, thread4Thread1of1ForFork4InUse, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:38,034 INFO L294 olderBase$Statistics]: this new event has 180 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L297 olderBase$Statistics]: existing Event has 180 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([866] L172-->L175: Formula: (not (= (mod v_~f1_10~0_20 256) 0)) InVars {~f1_10~0=v_~f1_10~0_20} OutVars{~f1_10~0=v_~f1_10~0_20, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][469], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 336#true, 312#true, 320#true, 328#true, 56#L155true, 100#L175true, 151#thread1FINALtrue, thread3Thread1of1ForFork0NotInUse, thread5Thread1of1ForFork5InUse, thread1Thread1of1ForFork1InUse, 115#L205-1true, thread6Thread1of1ForFork2InUse, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3NotInUse, thread4Thread1of1ForFork4InUse, 332#true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4))]) [2023-12-05 21:21:38,034 INFO L294 olderBase$Statistics]: this new event has 180 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-12-05 21:21:38,034 INFO L297 olderBase$Statistics]: existing Event has 180 ancestors and is cut-off event [2023-12-05 21:21:38,039 INFO L124 PetriNetUnfolderBase]: 31364/65989 cut-off events. [2023-12-05 21:21:38,039 INFO L125 PetriNetUnfolderBase]: For 250012/304491 co-relation queries the response was YES. [2023-12-05 21:21:38,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327776 conditions, 65989 events. 31364/65989 cut-off events. For 250012/304491 co-relation queries the response was YES. Maximal size of possible extension queue 2144. Compared 731196 event pairs, 16361 based on Foata normal form. 753/59857 useless extension candidates. Maximal degree in co-relation 314378. Up to 35338 conditions per place. [2023-12-05 21:21:39,266 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 385 selfloop transitions, 6 changer transitions 3/608 dead transitions. [2023-12-05 21:21:39,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 608 transitions, 7203 flow [2023-12-05 21:21:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:21:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:21:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2023-12-05 21:21:39,268 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8225108225108225 [2023-12-05 21:21:39,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 760 transitions. [2023-12-05 21:21:39,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 760 transitions. [2023-12-05 21:21:39,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:21:39,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 760 transitions. [2023-12-05 21:21:39,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:39,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:39,271 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:39,271 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 5 predicate places. [2023-12-05 21:21:39,271 INFO L500 AbstractCegarLoop]: Abstraction has has 261 places, 608 transitions, 7203 flow [2023-12-05 21:21:39,271 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:39,271 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:21:39,272 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:21:39,272 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-05 21:21:39,272 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:21:39,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:21:39,272 INFO L85 PathProgramCache]: Analyzing trace with hash 62927419, now seen corresponding path program 1 times [2023-12-05 21:21:39,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:21:39,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273852119] [2023-12-05 21:21:39,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:21:39,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:21:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:21:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:21:39,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:21:39,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273852119] [2023-12-05 21:21:39,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273852119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:21:39,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:21:39,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:21:39,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266643394] [2023-12-05 21:21:39,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:21:39,312 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:21:39,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:21:39,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:21:39,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:21:39,313 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 308 [2023-12-05 21:21:39,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 608 transitions, 7203 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:39,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:21:39,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 308 [2023-12-05 21:21:39,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:21:50,972 INFO L124 PetriNetUnfolderBase]: 29495/62089 cut-off events. [2023-12-05 21:21:50,972 INFO L125 PetriNetUnfolderBase]: For 269460/314775 co-relation queries the response was YES. [2023-12-05 21:21:51,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343551 conditions, 62089 events. 29495/62089 cut-off events. For 269460/314775 co-relation queries the response was YES. Maximal size of possible extension queue 2030. Compared 681285 event pairs, 11926 based on Foata normal form. 883/57148 useless extension candidates. Maximal degree in co-relation 328578. Up to 33455 conditions per place. [2023-12-05 21:21:52,223 INFO L140 encePairwiseOnDemand]: 300/308 looper letters, 452 selfloop transitions, 23 changer transitions 3/663 dead transitions. [2023-12-05 21:21:52,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 663 transitions, 8965 flow [2023-12-05 21:21:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:21:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:21:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2023-12-05 21:21:52,225 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8225108225108225 [2023-12-05 21:21:52,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 760 transitions. [2023-12-05 21:21:52,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 760 transitions. [2023-12-05 21:21:52,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:21:52,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 760 transitions. [2023-12-05 21:21:52,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:52,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:52,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:52,228 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 7 predicate places. [2023-12-05 21:21:52,228 INFO L500 AbstractCegarLoop]: Abstraction has has 263 places, 663 transitions, 8965 flow [2023-12-05 21:21:52,228 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:52,228 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:21:52,228 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:21:52,229 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-05 21:21:52,229 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread4Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:21:52,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:21:52,229 INFO L85 PathProgramCache]: Analyzing trace with hash 351725636, now seen corresponding path program 1 times [2023-12-05 21:21:52,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:21:52,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710568023] [2023-12-05 21:21:52,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:21:52,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:21:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:21:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:21:52,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:21:52,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710568023] [2023-12-05 21:21:52,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710568023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:21:52,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:21:52,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:21:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565170525] [2023-12-05 21:21:52,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:21:52,281 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:21:52,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:21:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:21:52,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:21:52,282 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 308 [2023-12-05 21:21:52,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 663 transitions, 8965 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:21:52,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:21:52,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 308 [2023-12-05 21:21:52,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:22:01,784 INFO L124 PetriNetUnfolderBase]: 29780/58970 cut-off events. [2023-12-05 21:22:01,785 INFO L125 PetriNetUnfolderBase]: For 426387/547771 co-relation queries the response was YES. [2023-12-05 21:22:02,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380113 conditions, 58970 events. 29780/58970 cut-off events. For 426387/547771 co-relation queries the response was YES. Maximal size of possible extension queue 2196. Compared 616884 event pairs, 4887 based on Foata normal form. 1299/54305 useless extension candidates. Maximal degree in co-relation 352867. Up to 33927 conditions per place. [2023-12-05 21:22:02,924 INFO L140 encePairwiseOnDemand]: 300/308 looper letters, 617 selfloop transitions, 41 changer transitions 11/846 dead transitions. [2023-12-05 21:22:02,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 846 transitions, 13600 flow [2023-12-05 21:22:02,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:22:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:22:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2023-12-05 21:22:02,926 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8246753246753247 [2023-12-05 21:22:02,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 762 transitions. [2023-12-05 21:22:02,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 762 transitions. [2023-12-05 21:22:02,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:22:02,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 762 transitions. [2023-12-05 21:22:02,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:02,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:02,929 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:02,929 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 9 predicate places. [2023-12-05 21:22:02,929 INFO L500 AbstractCegarLoop]: Abstraction has has 265 places, 846 transitions, 13600 flow [2023-12-05 21:22:02,930 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:02,930 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:22:02,930 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:22:02,930 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-05 21:22:02,930 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting thread4Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:22:02,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:22:02,930 INFO L85 PathProgramCache]: Analyzing trace with hash 351725637, now seen corresponding path program 1 times [2023-12-05 21:22:02,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:22:02,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837096675] [2023-12-05 21:22:02,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:22:02,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:22:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:22:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:22:03,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:22:03,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837096675] [2023-12-05 21:22:03,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837096675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:22:03,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:22:03,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-05 21:22:03,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705633646] [2023-12-05 21:22:03,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:22:03,016 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-05 21:22:03,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:22:03,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-05 21:22:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-05 21:22:03,017 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 308 [2023-12-05 21:22:03,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 846 transitions, 13600 flow. Second operand has 4 states, 4 states have (on average 208.25) internal successors, (833), 4 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:03,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:22:03,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 308 [2023-12-05 21:22:03,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:22:12,170 INFO L124 PetriNetUnfolderBase]: 24916/49324 cut-off events. [2023-12-05 21:22:12,170 INFO L125 PetriNetUnfolderBase]: For 424796/531845 co-relation queries the response was YES. [2023-12-05 21:22:12,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352504 conditions, 49324 events. 24916/49324 cut-off events. For 424796/531845 co-relation queries the response was YES. Maximal size of possible extension queue 1862. Compared 505784 event pairs, 3314 based on Foata normal form. 1854/46424 useless extension candidates. Maximal degree in co-relation 327468. Up to 28157 conditions per place. [2023-12-05 21:22:13,169 INFO L140 encePairwiseOnDemand]: 299/308 looper letters, 762 selfloop transitions, 42 changer transitions 11/984 dead transitions. [2023-12-05 21:22:13,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 984 transitions, 17974 flow [2023-12-05 21:22:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-05 21:22:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-12-05 21:22:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 961 transitions. [2023-12-05 21:22:13,171 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7800324675324676 [2023-12-05 21:22:13,171 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 961 transitions. [2023-12-05 21:22:13,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 961 transitions. [2023-12-05 21:22:13,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:22:13,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 961 transitions. [2023-12-05 21:22:13,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.25) internal successors, (961), 4 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:13,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 308.0) internal successors, (1540), 5 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:13,175 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 308.0) internal successors, (1540), 5 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:13,176 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 10 predicate places. [2023-12-05 21:22:13,176 INFO L500 AbstractCegarLoop]: Abstraction has has 266 places, 984 transitions, 17974 flow [2023-12-05 21:22:13,177 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 208.25) internal successors, (833), 4 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:13,177 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:22:13,177 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:22:13,177 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-05 21:22:13,177 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:22:13,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:22:13,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1680099782, now seen corresponding path program 1 times [2023-12-05 21:22:13,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:22:13,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121999722] [2023-12-05 21:22:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:22:13,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:22:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:22:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:22:13,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:22:13,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121999722] [2023-12-05 21:22:13,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121999722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:22:13,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:22:13,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:22:13,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614623354] [2023-12-05 21:22:13,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:22:13,480 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:22:13,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:22:13,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:22:13,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:22:13,481 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 308 [2023-12-05 21:22:13,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 984 transitions, 17974 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:13,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:22:13,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 308 [2023-12-05 21:22:13,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:22:21,349 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][693], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 338#(and (<= 4 (select |#length| |thread1Thread1of1ForFork1_~#t3~0.base|)) (= |thread1Thread1of1ForFork1_~#t3~0.offset| 0)), 312#true, 320#true, 328#true, 344#true, thread3Thread1of1ForFork0InUse, 348#true, thread5Thread1of1ForFork5NotInUse, 217#thread4FINALtrue, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 353#true, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 185#L236-4true, thread2Thread1of1ForFork3InUse, 334#(and (= |thread1Thread1of1ForFork1_~#t2~0.offset| 0) (= (select |#length| |thread1Thread1of1ForFork1_~#t2~0.base|) 4)), thread4Thread1of1ForFork4InUse, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 342#(= (select |#valid| |thread1Thread1of1ForFork1_~#t3~0.base|) 1)]) [2023-12-05 21:22:21,350 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is cut-off event [2023-12-05 21:22:21,350 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2023-12-05 21:22:21,350 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:22:21,350 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-12-05 21:22:21,853 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][693], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 338#(and (<= 4 (select |#length| |thread1Thread1of1ForFork1_~#t3~0.base|)) (= |thread1Thread1of1ForFork1_~#t3~0.offset| 0)), 6#L237-1true, 312#true, 320#true, 328#true, 344#true, thread3Thread1of1ForFork0InUse, 348#true, thread5Thread1of1ForFork5NotInUse, 217#thread4FINALtrue, thread1Thread1of1ForFork1InUse, thread6Thread1of1ForFork2NotInUse, 353#true, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, thread2Thread1of1ForFork3InUse, 334#(and (= |thread1Thread1of1ForFork1_~#t2~0.offset| 0) (= (select |#length| |thread1Thread1of1ForFork1_~#t2~0.base|) 4)), thread4Thread1of1ForFork4InUse, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 342#(= (select |#valid| |thread1Thread1of1ForFork1_~#t3~0.base|) 1)]) [2023-12-05 21:22:21,853 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:22:21,853 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:22:21,853 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:22:21,853 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:22:21,899 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L54-->L57: Formula: (not (= (mod v_~f2_3~0_18 256) 0)) InVars {~f2_3~0=v_~f2_3~0_18} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~f2_3~0=v_~f2_3~0_18} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][693], [326#(and (= (select |#length| |ULTIMATE.start_main_~#t4~0#1.base|) 4) (= |ULTIMATE.start_main_~#t4~0#1.offset| 0)), 113#L57true, 338#(and (<= 4 (select |#length| |thread1Thread1of1ForFork1_~#t3~0.base|)) (= |thread1Thread1of1ForFork1_~#t3~0.offset| 0)), 312#true, 320#true, 328#true, 344#true, 348#true, thread3Thread1of1ForFork0InUse, thread5Thread1of1ForFork5NotInUse, 217#thread4FINALtrue, thread1Thread1of1ForFork1InUse, 353#true, thread6Thread1of1ForFork2NotInUse, 106#thread1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 140#ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCEtrue, 334#(and (= |thread1Thread1of1ForFork1_~#t2~0.offset| 0) (= (select |#length| |thread1Thread1of1ForFork1_~#t2~0.base|) 4)), thread2Thread1of1ForFork3InUse, thread4Thread1of1ForFork4InUse, 175#L91true, 318#(and (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t1~0#1.base|) 4)), 342#(= (select |#valid| |thread1Thread1of1ForFork1_~#t3~0.base|) 1)]) [2023-12-05 21:22:21,899 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2023-12-05 21:22:21,899 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:22:21,899 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-12-05 21:22:21,899 INFO L297 olderBase$Statistics]: existing Event has 176 ancestors and is cut-off event [2023-12-05 21:22:22,322 INFO L124 PetriNetUnfolderBase]: 23947/47721 cut-off events. [2023-12-05 21:22:22,323 INFO L125 PetriNetUnfolderBase]: For 542812/650612 co-relation queries the response was YES. [2023-12-05 21:22:22,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366346 conditions, 47721 events. 23947/47721 cut-off events. For 542812/650612 co-relation queries the response was YES. Maximal size of possible extension queue 1834. Compared 489619 event pairs, 2618 based on Foata normal form. 1016/44140 useless extension candidates. Maximal degree in co-relation 341711. Up to 26659 conditions per place. [2023-12-05 21:22:23,379 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 829 selfloop transitions, 23 changer transitions 13/1125 dead transitions. [2023-12-05 21:22:23,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 1125 transitions, 23087 flow [2023-12-05 21:22:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:22:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:22:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2023-12-05 21:22:23,381 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8138528138528138 [2023-12-05 21:22:23,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 752 transitions. [2023-12-05 21:22:23,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 752 transitions. [2023-12-05 21:22:23,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:22:23,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 752 transitions. [2023-12-05 21:22:23,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:23,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:23,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:23,384 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 10 predicate places. [2023-12-05 21:22:23,384 INFO L500 AbstractCegarLoop]: Abstraction has has 266 places, 1125 transitions, 23087 flow [2023-12-05 21:22:23,384 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:23,384 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:22:23,384 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:22:23,385 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-05 21:22:23,385 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:22:23,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:22:23,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1680099783, now seen corresponding path program 1 times [2023-12-05 21:22:23,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:22:23,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249520061] [2023-12-05 21:22:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:22:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:22:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:22:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:22:23,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:22:23,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249520061] [2023-12-05 21:22:23,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249520061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:22:23,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:22:23,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-05 21:22:23,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742624819] [2023-12-05 21:22:23,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:22:23,424 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-05 21:22:23,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:22:23,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-05 21:22:23,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-05 21:22:23,425 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 308 [2023-12-05 21:22:23,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 1125 transitions, 23087 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:23,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:22:23,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 308 [2023-12-05 21:22:23,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:22:33,840 INFO L124 PetriNetUnfolderBase]: 24855/50525 cut-off events. [2023-12-05 21:22:33,840 INFO L125 PetriNetUnfolderBase]: For 686901/828236 co-relation queries the response was YES. [2023-12-05 21:22:34,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410391 conditions, 50525 events. 24855/50525 cut-off events. For 686901/828236 co-relation queries the response was YES. Maximal size of possible extension queue 2075. Compared 530532 event pairs, 2753 based on Foata normal form. 1280/46962 useless extension candidates. Maximal degree in co-relation 372209. Up to 27558 conditions per place. [2023-12-05 21:22:34,895 INFO L140 encePairwiseOnDemand]: 300/308 looper letters, 1045 selfloop transitions, 63 changer transitions 36/1313 dead transitions. [2023-12-05 21:22:34,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 1313 transitions, 29841 flow [2023-12-05 21:22:34,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-05 21:22:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-12-05 21:22:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2023-12-05 21:22:34,897 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8192640692640693 [2023-12-05 21:22:34,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 757 transitions. [2023-12-05 21:22:34,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 757 transitions. [2023-12-05 21:22:34,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:22:34,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 757 transitions. [2023-12-05 21:22:34,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:34,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:34,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 308.0) internal successors, (1232), 4 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:34,900 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 12 predicate places. [2023-12-05 21:22:34,900 INFO L500 AbstractCegarLoop]: Abstraction has has 268 places, 1313 transitions, 29841 flow [2023-12-05 21:22:34,900 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:34,900 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:22:34,900 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:22:34,900 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-05 21:22:34,900 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:22:34,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:22:34,901 INFO L85 PathProgramCache]: Analyzing trace with hash 992024243, now seen corresponding path program 1 times [2023-12-05 21:22:34,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:22:34,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816780574] [2023-12-05 21:22:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:22:34,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:22:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:22:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:22:35,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:22:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816780574] [2023-12-05 21:22:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816780574] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:22:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:22:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-05 21:22:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069704014] [2023-12-05 21:22:35,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:22:35,152 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-05 21:22:35,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:22:35,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-05 21:22:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-05 21:22:35,153 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 308 [2023-12-05 21:22:35,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 1313 transitions, 29841 flow. Second operand has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:35,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:22:35,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 308 [2023-12-05 21:22:35,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:22:47,994 INFO L124 PetriNetUnfolderBase]: 24902/52126 cut-off events. [2023-12-05 21:22:47,994 INFO L125 PetriNetUnfolderBase]: For 806276/989672 co-relation queries the response was YES. [2023-12-05 21:22:48,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444490 conditions, 52126 events. 24902/52126 cut-off events. For 806276/989672 co-relation queries the response was YES. Maximal size of possible extension queue 2139. Compared 562384 event pairs, 2333 based on Foata normal form. 2432/49680 useless extension candidates. Maximal degree in co-relation 403338. Up to 27620 conditions per place. [2023-12-05 21:22:49,119 INFO L140 encePairwiseOnDemand]: 297/308 looper letters, 1235 selfloop transitions, 55 changer transitions 36/1493 dead transitions. [2023-12-05 21:22:49,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1493 transitions, 36678 flow [2023-12-05 21:22:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-05 21:22:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-12-05 21:22:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1438 transitions. [2023-12-05 21:22:49,121 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7781385281385281 [2023-12-05 21:22:49,121 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1438 transitions. [2023-12-05 21:22:49,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1438 transitions. [2023-12-05 21:22:49,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:22:49,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1438 transitions. [2023-12-05 21:22:49,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:49,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:49,125 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:49,126 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 17 predicate places. [2023-12-05 21:22:49,126 INFO L500 AbstractCegarLoop]: Abstraction has has 273 places, 1493 transitions, 36678 flow [2023-12-05 21:22:49,126 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:49,126 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:22:49,126 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:22:49,126 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-05 21:22:49,126 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:22:49,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:22:49,127 INFO L85 PathProgramCache]: Analyzing trace with hash -579701344, now seen corresponding path program 1 times [2023-12-05 21:22:49,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:22:49,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224562583] [2023-12-05 21:22:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:22:49,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:22:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:22:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:22:49,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:22:49,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224562583] [2023-12-05 21:22:49,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224562583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:22:49,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:22:49,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-05 21:22:49,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349427220] [2023-12-05 21:22:49,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:22:49,267 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-05 21:22:49,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:22:49,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-05 21:22:49,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-05 21:22:49,268 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 308 [2023-12-05 21:22:49,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 1493 transitions, 36678 flow. Second operand has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:22:49,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:22:49,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 308 [2023-12-05 21:22:49,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:23:00,762 INFO L124 PetriNetUnfolderBase]: 24310/50879 cut-off events. [2023-12-05 21:23:00,763 INFO L125 PetriNetUnfolderBase]: For 910777/1067948 co-relation queries the response was YES. [2023-12-05 21:23:01,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464331 conditions, 50879 events. 24310/50879 cut-off events. For 910777/1067948 co-relation queries the response was YES. Maximal size of possible extension queue 2106. Compared 547160 event pairs, 2254 based on Foata normal form. 2562/48654 useless extension candidates. Maximal degree in co-relation 433193. Up to 27085 conditions per place. [2023-12-05 21:23:02,057 INFO L140 encePairwiseOnDemand]: 298/308 looper letters, 1284 selfloop transitions, 42 changer transitions 40/1533 dead transitions. [2023-12-05 21:23:02,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 1533 transitions, 40272 flow [2023-12-05 21:23:02,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-05 21:23:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-12-05 21:23:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1419 transitions. [2023-12-05 21:23:02,060 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7678571428571429 [2023-12-05 21:23:02,060 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1419 transitions. [2023-12-05 21:23:02,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1419 transitions. [2023-12-05 21:23:02,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:23:02,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1419 transitions. [2023-12-05 21:23:02,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.5) internal successors, (1419), 6 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:02,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:02,064 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:02,065 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 21 predicate places. [2023-12-05 21:23:02,065 INFO L500 AbstractCegarLoop]: Abstraction has has 277 places, 1533 transitions, 40272 flow [2023-12-05 21:23:02,065 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:02,065 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:23:02,065 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:23:02,065 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-05 21:23:02,065 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:23:02,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:23:02,066 INFO L85 PathProgramCache]: Analyzing trace with hash 58736119, now seen corresponding path program 1 times [2023-12-05 21:23:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:23:02,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86957907] [2023-12-05 21:23:02,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:23:02,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:23:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:23:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:23:02,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:23:02,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86957907] [2023-12-05 21:23:02,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86957907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:23:02,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:23:02,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-05 21:23:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732477483] [2023-12-05 21:23:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:23:02,231 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-05 21:23:02,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:23:02,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-05 21:23:02,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-05 21:23:02,232 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 308 [2023-12-05 21:23:02,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 1533 transitions, 40272 flow. Second operand has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:02,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:23:02,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 308 [2023-12-05 21:23:02,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-05 21:23:13,655 INFO L124 PetriNetUnfolderBase]: 23447/48746 cut-off events. [2023-12-05 21:23:13,655 INFO L125 PetriNetUnfolderBase]: For 1001078/1166223 co-relation queries the response was YES. [2023-12-05 21:23:13,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480181 conditions, 48746 events. 23447/48746 cut-off events. For 1001078/1166223 co-relation queries the response was YES. Maximal size of possible extension queue 1974. Compared 517118 event pairs, 1944 based on Foata normal form. 2775/46943 useless extension candidates. Maximal degree in co-relation 446974. Up to 26314 conditions per place. [2023-12-05 21:23:14,709 INFO L140 encePairwiseOnDemand]: 297/308 looper letters, 1300 selfloop transitions, 122 changer transitions 40/1629 dead transitions. [2023-12-05 21:23:14,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1629 transitions, 46063 flow [2023-12-05 21:23:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-05 21:23:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-12-05 21:23:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 999 transitions. [2023-12-05 21:23:14,711 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8108766233766234 [2023-12-05 21:23:14,711 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 999 transitions. [2023-12-05 21:23:14,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 999 transitions. [2023-12-05 21:23:14,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-05 21:23:14,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 999 transitions. [2023-12-05 21:23:14,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:14,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 308.0) internal successors, (1540), 5 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:14,714 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 308.0) internal successors, (1540), 5 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:14,714 INFO L308 CegarLoopForPetriNet]: 256 programPoint places, 24 predicate places. [2023-12-05 21:23:14,714 INFO L500 AbstractCegarLoop]: Abstraction has has 280 places, 1629 transitions, 46063 flow [2023-12-05 21:23:14,715 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:14,715 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-05 21:23:14,715 INFO L233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-05 21:23:14,715 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-05 21:23:14,715 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2023-12-05 21:23:14,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-05 21:23:14,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2110429584, now seen corresponding path program 1 times [2023-12-05 21:23:14,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-05 21:23:14,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834628874] [2023-12-05 21:23:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-05 21:23:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-05 21:23:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-05 21:23:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-05 21:23:14,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-05 21:23:14,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834628874] [2023-12-05 21:23:14,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834628874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-05 21:23:14,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-05 21:23:14,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-05 21:23:14,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366982589] [2023-12-05 21:23:14,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-05 21:23:14,869 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-05 21:23:14,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-05 21:23:14,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-05 21:23:14,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-05 21:23:14,870 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 308 [2023-12-05 21:23:14,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 1629 transitions, 46063 flow. Second operand has 4 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-05 21:23:14,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-05 21:23:14,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 308 [2023-12-05 21:23:14,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand