/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-29 21:50:42,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 21:50:42,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-29 21:50:42,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 21:50:42,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 21:50:42,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 21:50:42,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 21:50:42,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 21:50:42,701 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 21:50:42,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 21:50:42,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 21:50:42,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 21:50:42,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 21:50:42,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 21:50:42,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 21:50:42,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 21:50:42,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 21:50:42,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 21:50:42,706 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 21:50:42,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 21:50:42,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 21:50:42,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 21:50:42,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 21:50:42,707 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-29 21:50:42,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 21:50:42,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 21:50:42,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 21:50:42,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 21:50:42,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 21:50:42,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 21:50:42,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 21:50:42,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 21:50:42,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 21:50:42,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-11-29 21:50:42,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 21:50:42,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 21:50:42,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 21:50:42,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 21:50:42,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 21:50:42,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2023-11-29 21:50:43,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 21:50:44,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 21:50:44,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2023-11-29 21:50:44,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adabdaa6e/ad2059289c0f4f66b18695e75ea9ecb0/FLAGfdbe347c0 [2023-11-29 21:50:44,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adabdaa6e/ad2059289c0f4f66b18695e75ea9ecb0 [2023-11-29 21:50:44,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 21:50:44,100 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-29 21:50:44,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 21:50:44,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 21:50:44,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 21:50:44,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62880f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44, skipping insertion in model container [2023-11-29 21:50:44,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 21:50:44,243 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4928,4941] [2023-11-29 21:50:44,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 21:50:44,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 21:50:44,276 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4928,4941] [2023-11-29 21:50:44,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 21:50:44,285 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 21:50:44,285 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 21:50:44,290 INFO L206 MainTranslator]: Completed translation [2023-11-29 21:50:44,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44 WrapperNode [2023-11-29 21:50:44,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 21:50:44,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 21:50:44,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 21:50:44,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 21:50:44,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,325 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 335 [2023-11-29 21:50:44,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 21:50:44,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 21:50:44,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 21:50:44,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 21:50:44,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 21:50:44,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 21:50:44,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 21:50:44,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 21:50:44,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (1/1) ... [2023-11-29 21:50:44,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-29 21:50:44,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-29 21:50:44,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-29 21:50:44,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-29 21:50:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 21:50:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 21:50:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 21:50:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 21:50:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 21:50:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 21:50:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 21:50:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 21:50:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 21:50:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 21:50:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 21:50:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 21:50:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 21:50:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-29 21:50:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-29 21:50:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-29 21:50:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-29 21:50:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-29 21:50:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-29 21:50:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 21:50:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 21:50:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 21:50:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 21:50:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 21:50:44,408 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 21:50:44,490 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 21:50:44,491 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 21:50:44,772 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 21:50:44,840 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 21:50:44,840 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 21:50:44,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:50:44 BoogieIcfgContainer [2023-11-29 21:50:44,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 21:50:44,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 21:50:44,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 21:50:44,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 21:50:44,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:50:44" (1/3) ... [2023-11-29 21:50:44,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b0a549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:50:44, skipping insertion in model container [2023-11-29 21:50:44,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:50:44" (2/3) ... [2023-11-29 21:50:44,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b0a549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:50:44, skipping insertion in model container [2023-11-29 21:50:44,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:50:44" (3/3) ... [2023-11-29 21:50:44,847 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2023-11-29 21:50:44,859 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 21:50:44,859 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 21:50:44,859 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 21:50:44,958 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2023-11-29 21:50:45,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 225 transitions, 499 flow [2023-11-29 21:50:45,100 INFO L124 PetriNetUnfolderBase]: 2/218 cut-off events. [2023-11-29 21:50:45,100 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 21:50:45,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 218 events. 2/218 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 111 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2023-11-29 21:50:45,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 225 transitions, 499 flow [2023-11-29 21:50:45,115 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 199 transitions, 440 flow [2023-11-29 21:50:45,122 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 21:50:45,129 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;@22c34d8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 21:50:45,129 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 21:50:45,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 21:50:45,206 INFO L124 PetriNetUnfolderBase]: 2/198 cut-off events. [2023-11-29 21:50:45,206 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 21:50:45,207 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-29 21:50:45,207 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 21:50:45,208 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-29 21:50:45,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 21:50:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1644569329, now seen corresponding path program 1 times [2023-11-29 21:50:45,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 21:50:45,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214388404] [2023-11-29 21:50:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 21:50:45,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 21:50:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 21:50:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 21:50:47,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 21:50:47,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214388404] [2023-11-29 21:50:47,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214388404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 21:50:47,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 21:50:47,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 21:50:47,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789343084] [2023-11-29 21:50:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 21:50:47,241 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 21:50:47,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 21:50:47,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 21:50:47,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 21:50:47,276 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 225 [2023-11-29 21:50:47,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 199 transitions, 440 flow. Second operand has 11 states, 11 states have (on average 166.36363636363637) internal successors, (1830), 11 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 21:50:47,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 21:50:47,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 225 [2023-11-29 21:50:47,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand