./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:49:21,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:49:21,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:49:21,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:49:21,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:49:21,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:49:21,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:49:21,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:49:21,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:49:21,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:49:21,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:49:21,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:49:21,984 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:49:21,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:49:21,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:49:21,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:49:21,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:49:22,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:49:22,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:49:22,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:49:22,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:49:22,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:49:22,002 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:49:22,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:49:22,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:49:22,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:49:22,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:49:22,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:49:22,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:49:22,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:49:22,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:49:22,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:49:22,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:49:22,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:49:22,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:49:22,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:49:22,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:49:22,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:49:22,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:49:22,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:49:22,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:49:22,007 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2024-10-13 09:49:22,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:49:22,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:49:22,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:49:22,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:49:22,288 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:49:22,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2024-10-13 09:49:23,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:49:24,008 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:49:24,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2024-10-13 09:49:24,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd82e0745/69d3004c1765428db4cfe6cde211de46/FLAG16770b2c3 [2024-10-13 09:49:24,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd82e0745/69d3004c1765428db4cfe6cde211de46 [2024-10-13 09:49:24,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:49:24,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:49:24,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:49:24,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:49:24,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:49:24,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615ad3c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24, skipping insertion in model container [2024-10-13 09:49:24,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:49:24,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:49:24,770 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:49:24,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:49:24,866 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:49:24,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24 WrapperNode [2024-10-13 09:49:24,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:49:24,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:49:24,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:49:24,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:49:24,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,907 INFO L138 Inliner]: procedures = 160, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-10-13 09:49:24,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:49:24,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:49:24,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:49:24,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:49:24,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:49:24,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:49:24,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:49:24,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:49:24,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (1/1) ... [2024-10-13 09:49:24,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:49:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:49:24,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:49:24,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:49:25,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:49:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:49:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:49:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 09:49:25,039 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 09:49:25,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:49:25,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:49:25,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:49:25,040 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:49:25,192 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:49:25,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:49:25,376 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:49:25,376 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:49:25,398 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:49:25,399 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:49:25,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:49:25 BoogieIcfgContainer [2024-10-13 09:49:25,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:49:25,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:49:25,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:49:25,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:49:25,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:49:24" (1/3) ... [2024-10-13 09:49:25,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b9b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:49:25, skipping insertion in model container [2024-10-13 09:49:25,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:24" (2/3) ... [2024-10-13 09:49:25,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b9b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:49:25, skipping insertion in model container [2024-10-13 09:49:25,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:49:25" (3/3) ... [2024-10-13 09:49:25,406 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2024-10-13 09:49:25,421 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:49:25,422 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 09:49:25,422 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:49:25,496 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:49:25,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 91 transitions, 190 flow [2024-10-13 09:49:25,575 INFO L124 PetriNetUnfolderBase]: 0/89 cut-off events. [2024-10-13 09:49:25,575 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:49:25,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 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 135 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 09:49:25,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 91 transitions, 190 flow [2024-10-13 09:49:25,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 89 transitions, 184 flow [2024-10-13 09:49:25,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:49:25,597 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49341095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:49:25,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-13 09:49:25,610 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:49:25,613 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-13 09:49:25,614 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:49:25,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:25,615 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:49:25,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-13 09:49:25,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:25,623 INFO L85 PathProgramCache]: Analyzing trace with hash 161770557, now seen corresponding path program 1 times [2024-10-13 09:49:25,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66497265] [2024-10-13 09:49:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:26,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:26,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66497265] [2024-10-13 09:49:26,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66497265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:26,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:26,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:26,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049490084] [2024-10-13 09:49:26,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:26,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:26,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:26,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:26,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91 [2024-10-13 09:49:26,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 184 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-13 09:49:26,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:26,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91 [2024-10-13 09:49:26,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:27,196 INFO L124 PetriNetUnfolderBase]: 208/742 cut-off events. [2024-10-13 09:49:27,197 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-13 09:49:27,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 742 events. 208/742 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4683 event pairs, 46 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 1209. Up to 194 conditions per place. [2024-10-13 09:49:27,217 INFO L140 encePairwiseOnDemand]: 69/91 looper letters, 73 selfloop transitions, 42 changer transitions 0/179 dead transitions. [2024-10-13 09:49:27,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 179 transitions, 606 flow [2024-10-13 09:49:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 513 transitions. [2024-10-13 09:49:27,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9395604395604396 [2024-10-13 09:49:27,237 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 184 flow. Second operand 6 states and 513 transitions. [2024-10-13 09:49:27,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 179 transitions, 606 flow [2024-10-13 09:49:27,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 179 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:49:27,252 INFO L231 Difference]: Finished difference. Result has 104 places, 135 transitions, 498 flow [2024-10-13 09:49:27,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=104, PETRI_TRANSITIONS=135} [2024-10-13 09:49:27,260 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 8 predicate places. [2024-10-13 09:49:27,260 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 135 transitions, 498 flow [2024-10-13 09:49:27,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-13 09:49:27,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:27,261 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:49:27,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:49:27,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-13 09:49:27,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:27,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1314003259, now seen corresponding path program 1 times [2024-10-13 09:49:27,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:27,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257115661] [2024-10-13 09:49:27,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:27,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:27,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:27,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257115661] [2024-10-13 09:49:27,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257115661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:27,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:27,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:27,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705050034] [2024-10-13 09:49:27,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:27,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:27,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:27,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:27,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:27,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 91 [2024-10-13 09:49:27,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 135 transitions, 498 flow. Second operand has 6 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 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) [2024-10-13 09:49:27,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:27,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 91 [2024-10-13 09:49:27,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:27,978 INFO L124 PetriNetUnfolderBase]: 111/566 cut-off events. [2024-10-13 09:49:27,978 INFO L125 PetriNetUnfolderBase]: For 97/117 co-relation queries the response was YES. [2024-10-13 09:49:27,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 566 events. 111/566 cut-off events. For 97/117 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3677 event pairs, 30 based on Foata normal form. 3/557 useless extension candidates. Maximal degree in co-relation 1046. Up to 117 conditions per place. [2024-10-13 09:49:27,985 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 8 selfloop transitions, 5 changer transitions 0/134 dead transitions. [2024-10-13 09:49:27,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 134 transitions, 522 flow [2024-10-13 09:49:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 476 transitions. [2024-10-13 09:49:27,988 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2024-10-13 09:49:27,988 INFO L175 Difference]: Start difference. First operand has 104 places, 135 transitions, 498 flow. Second operand 6 states and 476 transitions. [2024-10-13 09:49:27,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 134 transitions, 522 flow [2024-10-13 09:49:27,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 134 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:49:27,997 INFO L231 Difference]: Finished difference. Result has 108 places, 134 transitions, 506 flow [2024-10-13 09:49:27,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=506, PETRI_PLACES=108, PETRI_TRANSITIONS=134} [2024-10-13 09:49:27,998 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 12 predicate places. [2024-10-13 09:49:27,999 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 134 transitions, 506 flow [2024-10-13 09:49:27,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 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) [2024-10-13 09:49:27,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:27,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:49:28,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:49:28,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-13 09:49:28,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:28,001 INFO L85 PathProgramCache]: Analyzing trace with hash -209020606, now seen corresponding path program 1 times [2024-10-13 09:49:28,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:28,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087132878] [2024-10-13 09:49:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:28,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:28,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087132878] [2024-10-13 09:49:28,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087132878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:28,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:28,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:28,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772528255] [2024-10-13 09:49:28,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:28,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:28,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:28,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:28,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:28,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2024-10-13 09:49:28,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 134 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-13 09:49:28,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:28,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2024-10-13 09:49:28,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:28,755 INFO L124 PetriNetUnfolderBase]: 354/1090 cut-off events. [2024-10-13 09:49:28,755 INFO L125 PetriNetUnfolderBase]: For 531/564 co-relation queries the response was YES. [2024-10-13 09:49:28,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2829 conditions, 1090 events. 354/1090 cut-off events. For 531/564 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7259 event pairs, 71 based on Foata normal form. 21/1097 useless extension candidates. Maximal degree in co-relation 2803. Up to 491 conditions per place. [2024-10-13 09:49:28,774 INFO L140 encePairwiseOnDemand]: 74/91 looper letters, 98 selfloop transitions, 53 changer transitions 0/213 dead transitions. [2024-10-13 09:49:28,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 213 transitions, 1160 flow [2024-10-13 09:49:28,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2024-10-13 09:49:28,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2024-10-13 09:49:28,776 INFO L175 Difference]: Start difference. First operand has 108 places, 134 transitions, 506 flow. Second operand 6 states and 481 transitions. [2024-10-13 09:49:28,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 213 transitions, 1160 flow [2024-10-13 09:49:28,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 213 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:49:28,788 INFO L231 Difference]: Finished difference. Result has 113 places, 187 transitions, 1012 flow [2024-10-13 09:49:28,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1012, PETRI_PLACES=113, PETRI_TRANSITIONS=187} [2024-10-13 09:49:28,790 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 17 predicate places. [2024-10-13 09:49:28,790 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 187 transitions, 1012 flow [2024-10-13 09:49:28,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-13 09:49:28,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:28,791 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:49:28,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:49:28,791 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-13 09:49:28,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:28,792 INFO L85 PathProgramCache]: Analyzing trace with hash 26010384, now seen corresponding path program 1 times [2024-10-13 09:49:28,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:28,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802679266] [2024-10-13 09:49:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:28,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:29,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:29,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802679266] [2024-10-13 09:49:29,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802679266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:29,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:29,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:29,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474938083] [2024-10-13 09:49:29,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:29,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:29,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:29,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:29,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:29,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2024-10-13 09:49:29,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 187 transitions, 1012 flow. Second operand has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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) [2024-10-13 09:49:29,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:29,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2024-10-13 09:49:29,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:29,598 INFO L124 PetriNetUnfolderBase]: 478/1384 cut-off events. [2024-10-13 09:49:29,599 INFO L125 PetriNetUnfolderBase]: For 2066/2110 co-relation queries the response was YES. [2024-10-13 09:49:29,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4584 conditions, 1384 events. 478/1384 cut-off events. For 2066/2110 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9570 event pairs, 83 based on Foata normal form. 23/1384 useless extension candidates. Maximal degree in co-relation 4554. Up to 661 conditions per place. [2024-10-13 09:49:29,622 INFO L140 encePairwiseOnDemand]: 74/91 looper letters, 139 selfloop transitions, 68 changer transitions 0/273 dead transitions. [2024-10-13 09:49:29,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 273 transitions, 1946 flow [2024-10-13 09:49:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 477 transitions. [2024-10-13 09:49:29,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8736263736263736 [2024-10-13 09:49:29,625 INFO L175 Difference]: Start difference. First operand has 113 places, 187 transitions, 1012 flow. Second operand 6 states and 477 transitions. [2024-10-13 09:49:29,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 273 transitions, 1946 flow [2024-10-13 09:49:29,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 273 transitions, 1938 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-10-13 09:49:29,639 INFO L231 Difference]: Finished difference. Result has 123 places, 248 transitions, 1724 flow [2024-10-13 09:49:29,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=1004, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1724, PETRI_PLACES=123, PETRI_TRANSITIONS=248} [2024-10-13 09:49:29,640 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 27 predicate places. [2024-10-13 09:49:29,640 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 248 transitions, 1724 flow [2024-10-13 09:49:29,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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) [2024-10-13 09:49:29,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:29,641 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:49:29,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:49:29,641 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-13 09:49:29,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash 29406136, now seen corresponding path program 1 times [2024-10-13 09:49:29,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:29,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284356207] [2024-10-13 09:49:29,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:29,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:29,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284356207] [2024-10-13 09:49:29,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284356207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:29,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:29,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:29,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343978287] [2024-10-13 09:49:29,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:29,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:29,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:29,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:29,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:30,161 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 91 [2024-10-13 09:49:30,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 248 transitions, 1724 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2024-10-13 09:49:30,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:30,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 91 [2024-10-13 09:49:30,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:30,351 INFO L124 PetriNetUnfolderBase]: 343/1172 cut-off events. [2024-10-13 09:49:30,351 INFO L125 PetriNetUnfolderBase]: For 2448/2500 co-relation queries the response was YES. [2024-10-13 09:49:30,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3856 conditions, 1172 events. 343/1172 cut-off events. For 2448/2500 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8421 event pairs, 29 based on Foata normal form. 15/1174 useless extension candidates. Maximal degree in co-relation 3820. Up to 284 conditions per place. [2024-10-13 09:49:30,369 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 12 selfloop transitions, 5 changer transitions 36/247 dead transitions. [2024-10-13 09:49:30,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 247 transitions, 1756 flow [2024-10-13 09:49:30,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 456 transitions. [2024-10-13 09:49:30,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351648351648352 [2024-10-13 09:49:30,371 INFO L175 Difference]: Start difference. First operand has 123 places, 248 transitions, 1724 flow. Second operand 6 states and 456 transitions. [2024-10-13 09:49:30,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 247 transitions, 1756 flow [2024-10-13 09:49:30,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 247 transitions, 1740 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-10-13 09:49:30,389 INFO L231 Difference]: Finished difference. Result has 127 places, 211 transitions, 1420 flow [2024-10-13 09:49:30,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=1706, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1420, PETRI_PLACES=127, PETRI_TRANSITIONS=211} [2024-10-13 09:49:30,392 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 31 predicate places. [2024-10-13 09:49:30,392 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 211 transitions, 1420 flow [2024-10-13 09:49:30,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2024-10-13 09:49:30,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:30,393 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:49:30,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:49:30,393 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-13 09:49:30,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1441956085, now seen corresponding path program 1 times [2024-10-13 09:49:30,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:30,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484035125] [2024-10-13 09:49:30,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:30,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 09:49:30,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 09:49:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 09:49:30,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 09:49:30,452 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 09:49:30,453 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-10-13 09:49:30,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-10-13 09:49:30,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-10-13 09:49:30,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-10-13 09:49:30,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:49:30,459 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 09:49:30,499 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:49:30,499 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:49:30,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:49:30 BasicIcfg [2024-10-13 09:49:30,504 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:49:30,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:49:30,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:49:30,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:49:30,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:49:25" (3/4) ... [2024-10-13 09:49:30,507 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 09:49:30,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:49:30,508 INFO L158 Benchmark]: Toolchain (without parser) took 6168.16ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 145.5MB in the beginning and 121.8MB in the end (delta: 23.7MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2024-10-13 09:49:30,509 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:49:30,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.39ms. Allocated memory is still 174.1MB. Free memory was 145.3MB in the beginning and 126.1MB in the end (delta: 19.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-10-13 09:49:30,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.48ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 124.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:49:30,510 INFO L158 Benchmark]: Boogie Preprocessor took 28.96ms. Allocated memory is still 174.1MB. Free memory was 124.0MB in the beginning and 122.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:49:30,510 INFO L158 Benchmark]: RCFGBuilder took 456.18ms. Allocated memory is still 174.1MB. Free memory was 122.7MB in the beginning and 108.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 09:49:30,510 INFO L158 Benchmark]: TraceAbstraction took 5103.50ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 108.0MB in the beginning and 121.8MB in the end (delta: -13.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-10-13 09:49:30,511 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 251.7MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:49:30,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.39ms. Allocated memory is still 174.1MB. Free memory was 145.3MB in the beginning and 126.1MB in the end (delta: 19.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.48ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 124.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.96ms. Allocated memory is still 174.1MB. Free memory was 124.0MB in the beginning and 122.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.18ms. Allocated memory is still 174.1MB. Free memory was 122.7MB in the beginning and 108.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5103.50ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 108.0MB in the beginning and 121.8MB in the end (delta: -13.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 251.7MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, id=-1] [L684] EXPR 1 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id2=0, id=-1] [L684] EXPR 2 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L684] 2 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 684]: 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 4 procedures, 117 locations, 10 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: 4.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1489 IncrementalHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 9 mSDtfsCounter, 1489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1724occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 1.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-10-13 09:49:30,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE