/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:57:13,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:57:13,783 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-VariableLbe.epf [2023-08-25 03:57:13,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:57:13,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:57:13,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:57:13,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:57:13,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:57:13,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:57:13,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:57:13,832 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:57:13,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:57:13,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:57:13,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:57:13,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:57:13,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:57:13,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:57:13,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:57:13,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:57:13,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:57:13,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:57:13,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:57:13,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:57:13,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:57:13,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:57:13,838 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:57:13,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:57:13,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:57:13,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:57:13,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:57:13,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:57:13,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:57:13,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:57:13,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:57:13,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:57:13,841 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:57:14,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:57:14,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:57:14,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:57:14,203 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:57:14,203 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:57:14,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-08-25 03:57:15,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:57:15,728 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:57:15,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-08-25 03:57:15,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea178cd9b/c408c79300a44fd09eff709dfd458e74/FLAG8aaca9eb6 [2023-08-25 03:57:15,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea178cd9b/c408c79300a44fd09eff709dfd458e74 [2023-08-25 03:57:15,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:57:15,765 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:57:15,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:57:15,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:57:15,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:57:15,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:57:15" (1/1) ... [2023-08-25 03:57:15,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5889d804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:15, skipping insertion in model container [2023-08-25 03:57:15,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:57:15" (1/1) ... [2023-08-25 03:57:15,823 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:57:16,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:57:16,159 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:57:16,188 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 03:57:16,190 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 03:57:16,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:57:16,239 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:57:16,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16 WrapperNode [2023-08-25 03:57:16,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:57:16,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:57:16,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:57:16,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:57:16,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,300 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-08-25 03:57:16,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:57:16,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:57:16,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:57:16,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:57:16,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:57:16,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:57:16,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:57:16,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:57:16,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (1/1) ... [2023-08-25 03:57:16,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:57:16,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:57:16,351 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) [2023-08-25 03:57:16,367 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 [2023-08-25 03:57:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:57:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:57:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:57:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:57:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:57:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:57:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:57:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:57:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:57:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:57:16,387 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 03:57:16,514 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:57:16,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:57:16,678 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:57:16,683 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:57:16,684 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:57:16,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:57:16 BoogieIcfgContainer [2023-08-25 03:57:16,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:57:16,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:57:16,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:57:16,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:57:16,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:57:15" (1/3) ... [2023-08-25 03:57:16,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250960c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:57:16, skipping insertion in model container [2023-08-25 03:57:16,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:57:16" (2/3) ... [2023-08-25 03:57:16,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250960c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:57:16, skipping insertion in model container [2023-08-25 03:57:16,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:57:16" (3/3) ... [2023-08-25 03:57:16,693 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-08-25 03:57:16,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:57:16,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-25 03:57:16,708 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:57:16,744 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:57:16,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 149 flow [2023-08-25 03:57:16,806 INFO L124 PetriNetUnfolderBase]: 2/71 cut-off events. [2023-08-25 03:57:16,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:16,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2023-08-25 03:57:16,810 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 149 flow [2023-08-25 03:57:16,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 71 transitions, 145 flow [2023-08-25 03:57:16,817 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:57:16,825 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 71 transitions, 145 flow [2023-08-25 03:57:16,827 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 71 transitions, 145 flow [2023-08-25 03:57:16,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 71 transitions, 145 flow [2023-08-25 03:57:16,846 INFO L124 PetriNetUnfolderBase]: 2/71 cut-off events. [2023-08-25 03:57:16,846 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:16,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2023-08-25 03:57:16,848 INFO L119 LiptonReduction]: Number of co-enabled transitions 810 [2023-08-25 03:57:19,148 INFO L134 LiptonReduction]: Checked pairs total: 2800 [2023-08-25 03:57:19,149 INFO L136 LiptonReduction]: Total number of compositions: 66 [2023-08-25 03:57:19,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:57:19,165 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=LoopsAndPotentialCycles, 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;@70ddbb5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:57:19,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-08-25 03:57:19,168 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:57:19,169 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2023-08-25 03:57:19,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:19,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:19,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:19,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-25 03:57:19,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:19,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1182657591, now seen corresponding path program 1 times [2023-08-25 03:57:19,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:19,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544517010] [2023-08-25 03:57:19,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:57:19,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:19,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544517010] [2023-08-25 03:57:19,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544517010] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:19,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:19,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:19,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646873688] [2023-08-25 03:57:19,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:19,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:19,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:19,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:19,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:19,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 138 [2023-08-25 03:57:19,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2023-08-25 03:57:19,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:19,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 138 [2023-08-25 03:57:19,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:19,504 INFO L124 PetriNetUnfolderBase]: 53/141 cut-off events. [2023-08-25 03:57:19,504 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:57:19,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 141 events. 53/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 547 event pairs, 21 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 267. Up to 79 conditions per place. [2023-08-25 03:57:19,507 INFO L140 encePairwiseOnDemand]: 133/138 looper letters, 22 selfloop transitions, 3 changer transitions 0/27 dead transitions. [2023-08-25 03:57:19,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 107 flow [2023-08-25 03:57:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2023-08-25 03:57:19,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5144927536231884 [2023-08-25 03:57:19,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 213 transitions. [2023-08-25 03:57:19,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 213 transitions. [2023-08-25 03:57:19,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:19,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 213 transitions. [2023-08-25 03:57:19,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2023-08-25 03:57:19,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:57:19,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:57:19,537 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 41 flow. Second operand 3 states and 213 transitions. [2023-08-25 03:57:19,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 107 flow [2023-08-25 03:57:19,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 106 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:57:19,541 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 60 flow [2023-08-25 03:57:19,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=25, PETRI_TRANSITIONS=20} [2023-08-25 03:57:19,547 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2023-08-25 03:57:19,548 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 20 transitions, 60 flow [2023-08-25 03:57:19,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2023-08-25 03:57:19,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:19,548 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:19,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:57:19,549 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-25 03:57:19,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:19,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1201932869, now seen corresponding path program 1 times [2023-08-25 03:57:19,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:19,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187403190] [2023-08-25 03:57:19,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:19,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:57:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:57:19,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:57:19,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187403190] [2023-08-25 03:57:19,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187403190] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:57:19,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:57:19,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:57:19,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502768043] [2023-08-25 03:57:19,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:57:19,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:57:19,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:57:19,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:57:19,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:57:19,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 138 [2023-08-25 03:57:19,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 20 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-08-25 03:57:19,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:57:19,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 138 [2023-08-25 03:57:19,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:57:19,668 INFO L124 PetriNetUnfolderBase]: 47/129 cut-off events. [2023-08-25 03:57:19,675 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-08-25 03:57:19,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 129 events. 47/129 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 477 event pairs, 31 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 283. Up to 102 conditions per place. [2023-08-25 03:57:19,678 INFO L140 encePairwiseOnDemand]: 134/138 looper letters, 22 selfloop transitions, 4 changer transitions 1/29 dead transitions. [2023-08-25 03:57:19,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 29 transitions, 142 flow [2023-08-25 03:57:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:57:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:57:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2023-08-25 03:57:19,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4975845410628019 [2023-08-25 03:57:19,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 206 transitions. [2023-08-25 03:57:19,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 206 transitions. [2023-08-25 03:57:19,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:57:19,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 206 transitions. [2023-08-25 03:57:19,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-08-25 03:57:19,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:57:19,689 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:57:19,689 INFO L175 Difference]: Start difference. First operand has 25 places, 20 transitions, 60 flow. Second operand 3 states and 206 transitions. [2023-08-25 03:57:19,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 29 transitions, 142 flow [2023-08-25 03:57:19,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 29 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:57:19,691 INFO L231 Difference]: Finished difference. Result has 26 places, 22 transitions, 78 flow [2023-08-25 03:57:19,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2023-08-25 03:57:19,692 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2023-08-25 03:57:19,692 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 78 flow [2023-08-25 03:57:19,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-08-25 03:57:19,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:57:19,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:57:19,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:57:19,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-25 03:57:19,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:57:19,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1992320592, now seen corresponding path program 1 times [2023-08-25 03:57:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:57:19,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509575571] [2023-08-25 03:57:19,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:57:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:57:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:57:19,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:57:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:57:19,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:57:19,786 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:57:19,788 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2023-08-25 03:57:19,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-08-25 03:57:19,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-08-25 03:57:19,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-08-25 03:57:19,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-08-25 03:57:19,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:57:19,791 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-25 03:57:19,797 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:57:19,797 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:57:19,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:57:19 BasicIcfg [2023-08-25 03:57:19,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:57:19,817 INFO L158 Benchmark]: Toolchain (without parser) took 4051.48ms. Allocated memory is still 398.5MB. Free memory was 356.6MB in the beginning and 318.0MB in the end (delta: 38.5MB). Peak memory consumption was 40.6MB. Max. memory is 16.0GB. [2023-08-25 03:57:19,818 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 398.5MB. Free memory was 375.9MB in the beginning and 375.7MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:57:19,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.44ms. Allocated memory is still 398.5MB. Free memory was 356.6MB in the beginning and 337.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 03:57:19,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.22ms. Allocated memory is still 398.5MB. Free memory was 337.7MB in the beginning and 335.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:57:19,821 INFO L158 Benchmark]: Boogie Preprocessor took 23.53ms. Allocated memory is still 398.5MB. Free memory was 335.5MB in the beginning and 334.5MB in the end (delta: 942.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:57:19,821 INFO L158 Benchmark]: RCFGBuilder took 360.66ms. Allocated memory is still 398.5MB. Free memory was 334.5MB in the beginning and 318.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-08-25 03:57:19,821 INFO L158 Benchmark]: TraceAbstraction took 3128.24ms. Allocated memory is still 398.5MB. Free memory was 318.8MB in the beginning and 318.0MB in the end (delta: 764.5kB). Peak memory consumption was 2.9MB. Max. memory is 16.0GB. [2023-08-25 03:57:19,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 398.5MB. Free memory was 375.9MB in the beginning and 375.7MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 472.44ms. Allocated memory is still 398.5MB. Free memory was 356.6MB in the beginning and 337.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.22ms. Allocated memory is still 398.5MB. Free memory was 337.7MB in the beginning and 335.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.53ms. Allocated memory is still 398.5MB. Free memory was 335.5MB in the beginning and 334.5MB in the end (delta: 942.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 360.66ms. Allocated memory is still 398.5MB. Free memory was 334.5MB in the beginning and 318.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 3128.24ms. Allocated memory is still 398.5MB. Free memory was 318.8MB in the beginning and 318.0MB in the end (delta: 764.5kB). Peak memory consumption was 2.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 73 PlacesBefore, 22 PlacesAfterwards, 71 TransitionsBefore, 19 TransitionsAfterwards, 810 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 2800 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1445, independent: 1230, independent conditional: 0, independent unconditional: 1230, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 484, independent: 452, independent conditional: 0, independent unconditional: 452, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1445, independent: 778, independent conditional: 0, independent unconditional: 778, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 484, unknown conditional: 0, unknown unconditional: 484] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated We found a FailurePath: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] EXPR 0 g == 0 [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "13-privatized_41-traces-ex-7_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0] - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 5 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: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2023-08-25 03:57:19,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...