/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 -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:00:50,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:00:50,537 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-SemanticLbe.epf [2023-11-17 15:00:50,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:00:50,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:00:50,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:00:50,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:00:50,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:00:50,574 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:00:50,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:00:50,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:00:50,578 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:00:50,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:00:50,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:00:50,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:00:50,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:00:50,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:00:50,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:00:50,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:00:50,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:00:50,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:00:50,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:00:50,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:00:50,583 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:00:50,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:00:50,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:00:50,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:00:50,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:00:50,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:00:50,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:00:50,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:00:50,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:00:50,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:00:50,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:00:50,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:00:50,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:00:50,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:00:50,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:00:50,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton.i [2023-11-17 15:00:52,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:00:52,418 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:00:52,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i [2023-11-17 15:00:52,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40b3d2e0/6a9673c3ed764913be429f32216e22c6/FLAG4f2a003c8 [2023-11-17 15:00:52,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40b3d2e0/6a9673c3ed764913be429f32216e22c6 [2023-11-17 15:00:52,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:00:52,465 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:00:52,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:00:52,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:00:52,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:00:52,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:00:52" (1/1) ... [2023-11-17 15:00:52,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b04d187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:52, skipping insertion in model container [2023-11-17 15:00:52,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:00:52" (1/1) ... [2023-11-17 15:00:52,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:00:52,743 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 15:00:52,956 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2023-11-17 15:00:52,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:00:52,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:00:53,009 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 15:00:53,031 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2023-11-17 15:00:53,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:00:53,088 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:00:53,089 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:00:53,089 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:00:53,096 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:00:53,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53 WrapperNode [2023-11-17 15:00:53,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:00:53,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:00:53,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:00:53,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:00:53,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,143 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-17 15:00:53,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:00:53,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:00:53,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:00:53,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:00:53,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:00:53,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:00:53,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:00:53,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:00:53,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (1/1) ... [2023-11-17 15:00:53,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:00:53,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:00:53,202 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) [2023-11-17 15:00:53,211 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 [2023-11-17 15:00:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:00:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:00:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:00:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:00:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:00:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-17 15:00:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-17 15:00:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 15:00:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 15:00:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 15:00:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 15:00:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 15:00:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 15:00:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:00:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:00:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:00:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:00:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:00:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:00:53,254 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:00:53,374 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:00:53,376 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:00:53,591 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:00:53,606 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:00:53,607 INFO L307 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-17 15:00:53,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:00:53 BoogieIcfgContainer [2023-11-17 15:00:53,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:00:53,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:00:53,612 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:00:53,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:00:53,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:00:52" (1/3) ... [2023-11-17 15:00:53,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208b8918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:00:53, skipping insertion in model container [2023-11-17 15:00:53,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:00:53" (2/3) ... [2023-11-17 15:00:53,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208b8918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:00:53, skipping insertion in model container [2023-11-17 15:00:53,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:00:53" (3/3) ... [2023-11-17 15:00:53,617 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2023-11-17 15:00:53,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:00:53,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 15:00:53,633 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:00:53,813 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-11-17 15:00:53,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 190 transitions, 477 flow [2023-11-17 15:00:53,921 INFO L124 PetriNetUnfolderBase]: 6/127 cut-off events. [2023-11-17 15:00:53,922 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-17 15:00:53,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 127 events. 6/127 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2023-11-17 15:00:53,927 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 190 transitions, 477 flow [2023-11-17 15:00:53,931 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 115 transitions, 281 flow [2023-11-17 15:00:53,935 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:00:53,947 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 115 transitions, 281 flow [2023-11-17 15:00:53,950 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 115 transitions, 281 flow [2023-11-17 15:00:53,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 115 transitions, 281 flow [2023-11-17 15:00:53,993 INFO L124 PetriNetUnfolderBase]: 5/115 cut-off events. [2023-11-17 15:00:53,994 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-17 15:00:53,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 115 events. 5/115 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 45 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2023-11-17 15:00:53,998 INFO L119 LiptonReduction]: Number of co-enabled transitions 1344 [2023-11-17 15:00:56,630 INFO L134 LiptonReduction]: Checked pairs total: 2754 [2023-11-17 15:00:56,631 INFO L136 LiptonReduction]: Total number of compositions: 74 [2023-11-17 15:00:56,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 15:00:56,651 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;@77ba697e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 15:00:56,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-17 15:00:56,661 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 15:00:56,661 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2023-11-17 15:00:56,661 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-17 15:00:56,662 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:00:56,662 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] [2023-11-17 15:00:56,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2023-11-17 15:00:56,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:00:56,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1511457305, now seen corresponding path program 1 times [2023-11-17 15:00:56,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:00:56,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020637132] [2023-11-17 15:00:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:00:56,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:00:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 15:00:56,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 15:00:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 15:00:57,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 15:00:57,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 15:00:57,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2023-11-17 15:00:57,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2023-11-17 15:00:57,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2023-11-17 15:00:57,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-11-17 15:00:57,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2023-11-17 15:00:57,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 12 remaining) [2023-11-17 15:00:57,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2023-11-17 15:00:57,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2023-11-17 15:00:57,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2023-11-17 15:00:57,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2023-11-17 15:00:57,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2023-11-17 15:00:57,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2023-11-17 15:00:57,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 15:00:57,042 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 15:00:57,051 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 15:00:57,051 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 15:00:57,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre20 could not be translated [2023-11-17 15:00:57,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-17 15:00:57,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-17 15:00:57,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-17 15:00:57,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-17 15:00:57,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-17 15:00:57,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-17 15:00:57,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated [2023-11-17 15:00:57,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-17 15:00:57,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-17 15:00:57,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-17 15:00:57,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-17 15:00:57,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-17 15:00:57,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-17 15:00:57,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-17 15:00:57,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-17 15:00:57,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-17 15:00:57,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-17 15:00:57,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:00:57 BasicIcfg [2023-11-17 15:00:57,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 15:00:57,139 INFO L158 Benchmark]: Toolchain (without parser) took 4673.97ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 151.2MB in the beginning and 141.0MB in the end (delta: 10.3MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2023-11-17 15:00:57,140 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 198.2MB. Free memory is still 156.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:00:57,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.23ms. Allocated memory is still 198.2MB. Free memory was 150.9MB in the beginning and 117.7MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-11-17 15:00:57,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 198.2MB. Free memory was 117.7MB in the beginning and 115.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 15:00:57,141 INFO L158 Benchmark]: Boogie Preprocessor took 26.35ms. Allocated memory is still 198.2MB. Free memory was 115.3MB in the beginning and 113.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 15:00:57,142 INFO L158 Benchmark]: RCFGBuilder took 436.94ms. Allocated memory is still 198.2MB. Free memory was 113.5MB in the beginning and 160.9MB in the end (delta: -47.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2023-11-17 15:00:57,142 INFO L158 Benchmark]: TraceAbstraction took 3526.64ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 160.4MB in the beginning and 141.0MB in the end (delta: 19.4MB). Peak memory consumption was 59.2MB. Max. memory is 8.0GB. [2023-11-17 15:00:57,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 198.2MB. Free memory is still 156.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 630.23ms. Allocated memory is still 198.2MB. Free memory was 150.9MB in the beginning and 117.7MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 198.2MB. Free memory was 117.7MB in the beginning and 115.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.35ms. Allocated memory is still 198.2MB. Free memory was 115.3MB in the beginning and 113.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 436.94ms. Allocated memory is still 198.2MB. Free memory was 113.5MB in the beginning and 160.9MB in the end (delta: -47.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * TraceAbstraction took 3526.64ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 160.4MB in the beginning and 141.0MB in the end (delta: 19.4MB). Peak memory consumption was 59.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 129 PlacesBefore, 55 PlacesAfterwards, 115 TransitionsBefore, 41 TransitionsAfterwards, 1344 CoEnabledTransitionPairs, 4 FixpointIterations, 18 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 74 TotalNumberOfCompositions, 2754 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2068, independent: 1980, independent conditional: 0, independent unconditional: 1980, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 975, independent: 931, independent conditional: 0, independent unconditional: 931, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 975, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2068, independent: 1049, independent conditional: 0, independent unconditional: 1049, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 975, unknown conditional: 0, unknown unconditional: 975] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1123]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1124] 0 char *v; [L1161] 0 pthread_t t; [L1162] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0) VAL [arg={0:0}, t={6:0}, v={0:0}] [L1146] 1 pthread_t t1, t2, t3, t4, t5; [L1147] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={0:0}] [L1148] 1 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={0:0}] [L1127] 2 v = malloc(sizeof(char)) [L1128] 2 return 0; [L1148] FCALL, JOIN 2 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1149] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1150] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1151] FCALL, FORK 1 pthread_create(&t4, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1152] FCALL, FORK 1 pthread_create(&t5, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1133] 6 v[0] = 'X' [L1135] 6 return 0; [L1133] 5 v[0] = 'X' [L1135] 5 return 0; [L1153] 1 \read(t2) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1133] 3 v[0] = 'X' [L1135] 3 return 0; [L1153] FCALL, JOIN 3 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1154] 1 \read(t3) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1140] 4 v[0] = 'Y' [L1142] 4 return 0; [L1154] FCALL, JOIN 4 pthread_join(t3, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1155] 1 \read(t4) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1155] FCALL, JOIN 5 pthread_join(t4, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1156] 1 \read(t5) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1156] FCALL, JOIN 6 pthread_join(t5, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={10:0}, t2={9:0}, t3={5:0}, t4={7:0}, t5={8:0}, v={3:0}] [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1163] 0 \read(t) VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1163] FCALL, JOIN 1 pthread_join(t, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1164] EXPR 0 v[0] [L1164] CALL 0 __VERIFIER_assert(v[0] == 'X') [L1123] COND TRUE 0 !expression [L1123] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, v={3:0}] - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1162]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 220 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-17 15:00:57,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...