/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/04-mutex_09-ptrmunge_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:15:08,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:15:08,754 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 03:15:08,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:15:08,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:15:08,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:15:08,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:15:08,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:15:08,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:15:08,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:15:08,798 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:15:08,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:15:08,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:15:08,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:15:08,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:15:08,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:15:08,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:15:08,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:15:08,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:15:08,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:15:08,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:15:08,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:15:08,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:15:08,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:15:08,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:15:08,803 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:15:08,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:15:08,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:15:08,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:15:08,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:15:08,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:15:08,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:15:08,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:15:08,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:15:08,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:15:08,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:15:09,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:15:09,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:15:09,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:15:09,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:15:09,153 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:15:09,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_09-ptrmunge_rc.i [2023-08-25 03:15:10,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:15:10,688 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:15:10,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_09-ptrmunge_rc.i [2023-08-25 03:15:10,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b281d98ae/52a05dcfe4224a9dbc93de0cd832b85f/FLAG3aab4ce56 [2023-08-25 03:15:10,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b281d98ae/52a05dcfe4224a9dbc93de0cd832b85f [2023-08-25 03:15:10,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:15:10,983 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:15:10,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:15:10,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:15:10,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:15:10,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:15:10" (1/1) ... [2023-08-25 03:15:10,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411cc52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:10, skipping insertion in model container [2023-08-25 03:15:10,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:15:10" (1/1) ... [2023-08-25 03:15:11,039 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:15:11,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:15:11,429 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:15:11,453 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:15:11,455 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:15:11,460 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [736] [2023-08-25 03:15:11,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:15:11,547 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:15:11,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11 WrapperNode [2023-08-25 03:15:11,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:15:11,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:15:11,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:15:11,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:15:11,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,621 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-08-25 03:15:11,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:15:11,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:15:11,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:15:11,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:15:11,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:15:11,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:15:11,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:15:11,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:15:11,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (1/1) ... [2023-08-25 03:15:11,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:15:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:15:11,703 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 03:15:11,727 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 03:15:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:15:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:15:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:15:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:15:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:15:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:15:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:15:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:15:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:15:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:15:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:15:11,744 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 03:15:11,902 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:15:11,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:15:12,137 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:15:12,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:15:12,150 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:15:12,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:15:12 BoogieIcfgContainer [2023-08-25 03:15:12,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:15:12,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:15:12,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:15:12,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:15:12,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:15:10" (1/3) ... [2023-08-25 03:15:12,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0e81cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:15:12, skipping insertion in model container [2023-08-25 03:15:12,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:11" (2/3) ... [2023-08-25 03:15:12,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0e81cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:15:12, skipping insertion in model container [2023-08-25 03:15:12,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:15:12" (3/3) ... [2023-08-25 03:15:12,157 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2023-08-25 03:15:12,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:15:12,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-25 03:15:12,172 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:15:12,249 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 03:15:12,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 202 flow [2023-08-25 03:15:12,326 INFO L124 PetriNetUnfolderBase]: 0/96 cut-off events. [2023-08-25 03:15:12,326 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:15:12,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 0/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-25 03:15:12,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 97 transitions, 202 flow [2023-08-25 03:15:12,333 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 89 transitions, 181 flow [2023-08-25 03:15:12,336 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:15:12,344 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 89 transitions, 181 flow [2023-08-25 03:15:12,347 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 89 transitions, 181 flow [2023-08-25 03:15:12,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 89 transitions, 181 flow [2023-08-25 03:15:12,369 INFO L124 PetriNetUnfolderBase]: 0/89 cut-off events. [2023-08-25 03:15:12,369 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:12,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 0/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:15:12,371 INFO L119 LiptonReduction]: Number of co-enabled transitions 1836 [2023-08-25 03:15:14,603 INFO L134 LiptonReduction]: Checked pairs total: 10847 [2023-08-25 03:15:14,604 INFO L136 LiptonReduction]: Total number of compositions: 48 [2023-08-25 03:15:14,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:15:14,630 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;@1a99345b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:15:14,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-25 03:15:14,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:15:14,638 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2023-08-25 03:15:14,638 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:14,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:14,639 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:14,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:14,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:14,644 INFO L85 PathProgramCache]: Analyzing trace with hash 31893175, now seen corresponding path program 1 times [2023-08-25 03:15:14,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:14,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193864795] [2023-08-25 03:15:14,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:14,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:15,174 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 03:15:15,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:15,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193864795] [2023-08-25 03:15:15,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193864795] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:15,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:15,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:15:15,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062845051] [2023-08-25 03:15:15,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:15,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:15:15,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:15,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:15:15,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:15:15,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 145 [2023-08-25 03:15:15,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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 03:15:15,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:15,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 145 [2023-08-25 03:15:15,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:15,562 INFO L124 PetriNetUnfolderBase]: 394/835 cut-off events. [2023-08-25 03:15:15,562 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:15,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1675 conditions, 835 events. 394/835 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3624 event pairs, 259 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 1666. Up to 655 conditions per place. [2023-08-25 03:15:15,578 INFO L140 encePairwiseOnDemand]: 134/145 looper letters, 89 selfloop transitions, 22 changer transitions 0/111 dead transitions. [2023-08-25 03:15:15,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 111 transitions, 447 flow [2023-08-25 03:15:15,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:15:15,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:15:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 478 transitions. [2023-08-25 03:15:15,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5494252873563218 [2023-08-25 03:15:15,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 478 transitions. [2023-08-25 03:15:15,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 478 transitions. [2023-08-25 03:15:15,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:15,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 478 transitions. [2023-08-25 03:15:15,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:15:15,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:15,606 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:15,608 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 478 transitions. [2023-08-25 03:15:15,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 111 transitions, 447 flow [2023-08-25 03:15:15,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 111 transitions, 446 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:15:15,615 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2023-08-25 03:15:15,617 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2023-08-25 03:15:15,620 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2023-08-25 03:15:15,620 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2023-08-25 03:15:15,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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 03:15:15,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:15,621 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:15,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:15:15,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:15,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:15,622 INFO L85 PathProgramCache]: Analyzing trace with hash -975427686, now seen corresponding path program 1 times [2023-08-25 03:15:15,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:15,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719644513] [2023-08-25 03:15:15,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:15,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:15,862 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 03:15:15,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719644513] [2023-08-25 03:15:15,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719644513] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:15,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:15,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:15:15,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220372164] [2023-08-25 03:15:15,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:15,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:15:15,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:15,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:15:15,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:15:15,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 145 [2023-08-25 03:15:15,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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 03:15:15,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:15,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 145 [2023-08-25 03:15:15,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:16,208 INFO L124 PetriNetUnfolderBase]: 463/979 cut-off events. [2023-08-25 03:15:16,209 INFO L125 PetriNetUnfolderBase]: For 264/264 co-relation queries the response was YES. [2023-08-25 03:15:16,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2343 conditions, 979 events. 463/979 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4575 event pairs, 194 based on Foata normal form. 0/889 useless extension candidates. Maximal degree in co-relation 2330. Up to 720 conditions per place. [2023-08-25 03:15:16,215 INFO L140 encePairwiseOnDemand]: 134/145 looper letters, 130 selfloop transitions, 26 changer transitions 0/156 dead transitions. [2023-08-25 03:15:16,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 156 transitions, 824 flow [2023-08-25 03:15:16,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:15:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:15:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 502 transitions. [2023-08-25 03:15:16,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5770114942528736 [2023-08-25 03:15:16,219 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 502 transitions. [2023-08-25 03:15:16,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 502 transitions. [2023-08-25 03:15:16,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:16,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 502 transitions. [2023-08-25 03:15:16,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 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 03:15:16,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:16,224 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:16,224 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 502 transitions. [2023-08-25 03:15:16,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 156 transitions, 824 flow [2023-08-25 03:15:16,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 156 transitions, 824 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:15:16,230 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2023-08-25 03:15:16,230 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2023-08-25 03:15:16,231 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2023-08-25 03:15:16,231 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2023-08-25 03:15:16,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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 03:15:16,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:16,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:16,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:15:16,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:16,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1442276175, now seen corresponding path program 1 times [2023-08-25 03:15:16,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:16,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303861695] [2023-08-25 03:15:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:16,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:16,433 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 03:15:16,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:16,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303861695] [2023-08-25 03:15:16,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303861695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:16,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:16,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:15:16,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090121779] [2023-08-25 03:15:16,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:16,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:15:16,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:16,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:15:16,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:15:16,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 145 [2023-08-25 03:15:16,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 03:15:16,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:16,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 145 [2023-08-25 03:15:16,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:16,725 INFO L124 PetriNetUnfolderBase]: 533/1124 cut-off events. [2023-08-25 03:15:16,725 INFO L125 PetriNetUnfolderBase]: For 776/776 co-relation queries the response was YES. [2023-08-25 03:15:16,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3218 conditions, 1124 events. 533/1124 cut-off events. For 776/776 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 5468 event pairs, 243 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 3200. Up to 960 conditions per place. [2023-08-25 03:15:16,734 INFO L140 encePairwiseOnDemand]: 130/145 looper letters, 110 selfloop transitions, 53 changer transitions 0/163 dead transitions. [2023-08-25 03:15:16,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 163 transitions, 1064 flow [2023-08-25 03:15:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:15:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:15:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 465 transitions. [2023-08-25 03:15:16,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5344827586206896 [2023-08-25 03:15:16,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 465 transitions. [2023-08-25 03:15:16,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 465 transitions. [2023-08-25 03:15:16,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:16,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 465 transitions. [2023-08-25 03:15:16,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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 03:15:16,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:16,741 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:16,741 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 465 transitions. [2023-08-25 03:15:16,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 163 transitions, 1064 flow [2023-08-25 03:15:16,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 163 transitions, 1064 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:15:16,749 INFO L231 Difference]: Finished difference. Result has 74 places, 130 transitions, 900 flow [2023-08-25 03:15:16,749 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=74, PETRI_TRANSITIONS=130} [2023-08-25 03:15:16,750 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2023-08-25 03:15:16,750 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 130 transitions, 900 flow [2023-08-25 03:15:16,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 03:15:16,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:16,751 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:16,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:15:16,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:16,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:16,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1012354218, now seen corresponding path program 1 times [2023-08-25 03:15:16,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:16,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899733700] [2023-08-25 03:15:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:16,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:16,973 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 03:15:16,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:16,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899733700] [2023-08-25 03:15:16,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899733700] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:16,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:16,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:15:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750566630] [2023-08-25 03:15:16,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:16,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:15:16,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:16,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:15:16,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:15:16,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 145 [2023-08-25 03:15:16,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 130 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 03:15:16,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:16,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 145 [2023-08-25 03:15:16,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:17,348 INFO L124 PetriNetUnfolderBase]: 643/1349 cut-off events. [2023-08-25 03:15:17,349 INFO L125 PetriNetUnfolderBase]: For 1732/1732 co-relation queries the response was YES. [2023-08-25 03:15:17,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4614 conditions, 1349 events. 643/1349 cut-off events. For 1732/1732 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6922 event pairs, 201 based on Foata normal form. 0/1289 useless extension candidates. Maximal degree in co-relation 4591. Up to 1098 conditions per place. [2023-08-25 03:15:17,360 INFO L140 encePairwiseOnDemand]: 126/145 looper letters, 162 selfloop transitions, 83 changer transitions 4/249 dead transitions. [2023-08-25 03:15:17,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 249 transitions, 1936 flow [2023-08-25 03:15:17,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:15:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:15:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 493 transitions. [2023-08-25 03:15:17,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2023-08-25 03:15:17,363 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 493 transitions. [2023-08-25 03:15:17,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 493 transitions. [2023-08-25 03:15:17,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:17,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 493 transitions. [2023-08-25 03:15:17,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.16666666666667) internal successors, (493), 6 states have internal predecessors, (493), 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 03:15:17,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:17,366 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 03:15:17,366 INFO L175 Difference]: Start difference. First operand has 74 places, 130 transitions, 900 flow. Second operand 6 states and 493 transitions. [2023-08-25 03:15:17,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 249 transitions, 1936 flow [2023-08-25 03:15:17,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 249 transitions, 1872 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-08-25 03:15:17,381 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1592 flow [2023-08-25 03:15:17,381 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1592, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2023-08-25 03:15:17,382 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2023-08-25 03:15:17,382 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1592 flow [2023-08-25 03:15:17,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 03:15:17,382 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:17,383 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:17,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:15:17,383 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:17,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:17,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2060399518, now seen corresponding path program 1 times [2023-08-25 03:15:17,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:17,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361873822] [2023-08-25 03:15:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:17,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:15:17,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:15:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:15:17,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:15:17,433 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:15:17,434 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-25 03:15:17,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-25 03:15:17,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-25 03:15:17,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-08-25 03:15:17,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2023-08-25 03:15:17,437 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-25 03:15:17,437 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-25 03:15:17,437 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-25 03:15:17,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 03:15:17,437 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-25 03:15:17,442 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:15:17,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:15:17,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:15:17 BasicIcfg [2023-08-25 03:15:17,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:15:17,476 INFO L158 Benchmark]: Toolchain (without parser) took 6492.92ms. Allocated memory was 398.5MB in the beginning and 488.6MB in the end (delta: 90.2MB). Free memory was 372.7MB in the beginning and 326.8MB in the end (delta: 45.9MB). Peak memory consumption was 139.3MB. Max. memory is 16.0GB. [2023-08-25 03:15:17,476 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 398.5MB. Free memory is still 374.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:15:17,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.43ms. Allocated memory is still 398.5MB. Free memory was 372.7MB in the beginning and 345.1MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-25 03:15:17,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.31ms. Allocated memory is still 398.5MB. Free memory was 345.1MB in the beginning and 342.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:15:17,477 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 398.5MB. Free memory was 342.5MB in the beginning and 340.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:15:17,477 INFO L158 Benchmark]: RCFGBuilder took 479.36ms. Allocated memory is still 398.5MB. Free memory was 340.9MB in the beginning and 372.5MB in the end (delta: -31.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.0GB. [2023-08-25 03:15:17,478 INFO L158 Benchmark]: TraceAbstraction took 5322.27ms. Allocated memory was 398.5MB in the beginning and 488.6MB in the end (delta: 90.2MB). Free memory was 371.4MB in the beginning and 326.8MB in the end (delta: 44.7MB). Peak memory consumption was 135.8MB. Max. memory is 16.0GB. [2023-08-25 03:15:17,479 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 is still 374.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 564.43ms. Allocated memory is still 398.5MB. Free memory was 372.7MB in the beginning and 345.1MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 73.31ms. Allocated memory is still 398.5MB. Free memory was 345.1MB in the beginning and 342.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 398.5MB. Free memory was 342.5MB in the beginning and 340.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 479.36ms. Allocated memory is still 398.5MB. Free memory was 340.9MB in the beginning and 372.5MB in the end (delta: -31.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.0GB. * TraceAbstraction took 5322.27ms. Allocated memory was 398.5MB in the beginning and 488.6MB in the end (delta: 90.2MB). Free memory was 371.4MB in the beginning and 326.8MB in the end (delta: 44.7MB). Peak memory consumption was 135.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 736]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [736] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 93 PlacesBefore, 45 PlacesAfterwards, 89 TransitionsBefore, 41 TransitionsAfterwards, 1836 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 10847 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2575, independent: 2080, independent conditional: 0, independent unconditional: 2080, dependent: 495, dependent conditional: 0, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 752, independent: 709, independent conditional: 0, independent unconditional: 709, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2575, independent: 1371, independent conditional: 0, independent unconditional: 1371, dependent: 452, dependent conditional: 0, dependent unconditional: 452, unknown: 752, unknown conditional: 0, unknown unconditional: 752] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 121, Positive conditional cache size: 0, Positive unconditional cache size: 121, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; [L918] 0 int myglobal2; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] CALL 0 munge(&mutex2,&myglobal1) [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 \read(*v) VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] EXPR 0 *v+1 VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: 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, 127 locations, 8 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: 5.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 983 IncrementalHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 94 mSDtfsCounter, 983 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1592occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 1.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 03:15:17,533 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...