/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 12:23:12,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 12:23:12,905 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 [2023-11-10 12:23:12,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 12:23:12,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 12:23:12,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 12:23:12,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 12:23:12,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 12:23:12,930 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 12:23:12,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 12:23:12,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 12:23:12,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 12:23:12,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 12:23:12,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 12:23:12,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 12:23:12,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 12:23:12,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 12:23:12,936 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 12:23:12,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 12:23:12,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 12:23:12,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 12:23:12,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 12:23:12,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 12:23:12,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 12:23:12,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 12:23:12,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 12:23:12,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 12:23:12,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 12:23:13,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 12:23:13,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 12:23:13,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 12:23:13,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 12:23:13,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 12:23:13,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2023-11-10 12:23:14,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 12:23:14,195 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 12:23:14,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2023-11-10 12:23:14,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bb855a2/b9cc37cd58ed4bfdbe53b42f842b5b75/FLAG8e6b2da19 [2023-11-10 12:23:14,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bb855a2/b9cc37cd58ed4bfdbe53b42f842b5b75 [2023-11-10 12:23:14,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 12:23:14,223 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 12:23:14,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 12:23:14,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 12:23:14,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 12:23:14,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3894145c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14, skipping insertion in model container [2023-11-10 12:23:14,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 12:23:14,400 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[4837,4850] [2023-11-10 12:23:14,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 12:23:14,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 12:23:14,444 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[4837,4850] [2023-11-10 12:23:14,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 12:23:14,456 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 12:23:14,456 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 12:23:14,461 INFO L206 MainTranslator]: Completed translation [2023-11-10 12:23:14,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14 WrapperNode [2023-11-10 12:23:14,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 12:23:14,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 12:23:14,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 12:23:14,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 12:23:14,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,514 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 328 [2023-11-10 12:23:14,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 12:23:14,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 12:23:14,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 12:23:14,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 12:23:14,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 12:23:14,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 12:23:14,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 12:23:14,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 12:23:14,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (1/1) ... [2023-11-10 12:23:14,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 12:23:14,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 12:23:14,578 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) [2023-11-10 12:23:14,580 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 [2023-11-10 12:23:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 12:23:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 12:23:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 12:23:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 12:23:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-10 12:23:14,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-10 12:23:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-10 12:23:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-10 12:23:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-10 12:23:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-10 12:23:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-10 12:23:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-10 12:23:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-10 12:23:14,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-10 12:23:14,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-10 12:23:14,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 12:23:14,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 12:23:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 12:23:14,612 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-10 12:23:14,723 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 12:23:14,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 12:23:15,113 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 12:23:15,195 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 12:23:15,195 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-10 12:23:15,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:23:15 BoogieIcfgContainer [2023-11-10 12:23:15,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 12:23:15,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 12:23:15,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 12:23:15,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 12:23:15,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:23:14" (1/3) ... [2023-11-10 12:23:15,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37691542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:23:15, skipping insertion in model container [2023-11-10 12:23:15,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:14" (2/3) ... [2023-11-10 12:23:15,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37691542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:23:15, skipping insertion in model container [2023-11-10 12:23:15,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:23:15" (3/3) ... [2023-11-10 12:23:15,207 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2023-11-10 12:23:15,220 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 12:23:15,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-10 12:23:15,220 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 12:23:15,299 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2023-11-10 12:23:15,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 218 transitions, 485 flow [2023-11-10 12:23:15,442 INFO L124 PetriNetUnfolderBase]: 2/211 cut-off events. [2023-11-10 12:23:15,442 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-10 12:23:15,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 211 events. 2/211 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 165. Up to 2 conditions per place. [2023-11-10 12:23:15,447 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 218 transitions, 485 flow [2023-11-10 12:23:15,454 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 212 places, 192 transitions, 426 flow [2023-11-10 12:23:15,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 12:23:15,471 INFO L357 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=false, 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;@1ea6d7f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 12:23:15,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-10 12:23:15,526 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 12:23:15,527 INFO L124 PetriNetUnfolderBase]: 2/191 cut-off events. [2023-11-10 12:23:15,527 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-10 12:23:15,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 12:23:15,528 INFO L208 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] [2023-11-10 12:23:15,530 INFO L420 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)] === [2023-11-10 12:23:15,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 12:23:15,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1350576607, now seen corresponding path program 1 times [2023-11-10 12:23:15,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 12:23:15,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241434450] [2023-11-10 12:23:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 12:23:15,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 12:23:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 12:23:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 12:23:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 12:23:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241434450] [2023-11-10 12:23:17,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241434450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 12:23:17,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 12:23:17,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-10 12:23:17,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14358208] [2023-11-10 12:23:17,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 12:23:17,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-10 12:23:17,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 12:23:17,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-10 12:23:17,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-10 12:23:17,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 218 [2023-11-10 12:23:17,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 192 transitions, 426 flow. Second operand has 10 states, 10 states have (on average 159.9) internal successors, (1599), 10 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 12:23:17,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 12:23:17,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 218 [2023-11-10 12:23:17,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand