./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/06-symbeq_10-equ_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 fd55bbfa1518dd7815f07d7de8c2030374bbc7b7998290c12df563b95f65f709 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:06:34,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:06:34,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:06:34,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:06:34,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:06:34,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:06:34,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:06:34,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:06:34,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:06:34,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:06:34,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:06:34,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:06:34,448 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:06:34,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:06:34,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:06:34,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:06:34,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:06:34,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:06:34,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:06:34,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:06:34,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:06:34,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:06:34,467 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:06:34,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:06:34,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:06:34,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:06:34,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:06:34,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:06:34,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:06:34,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:06:34,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:06:34,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:06:34,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:06:34,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:06:34,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:06:34,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:06:34,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:06:34,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:06:34,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:06:34,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:06:34,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:06:34,471 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd55bbfa1518dd7815f07d7de8c2030374bbc7b7998290c12df563b95f65f709 [2024-10-11 17:06:34,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:06:34,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:06:34,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:06:34,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:06:34,730 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:06:34,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2024-10-11 17:06:36,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:06:36,251 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:06:36,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2024-10-11 17:06:36,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/391421e01/ca049ae670644a87a077a9e2c64cce16/FLAG30842b322 [2024-10-11 17:06:36,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/391421e01/ca049ae670644a87a077a9e2c64cce16 [2024-10-11 17:06:36,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:06:36,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:06:36,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:06:36,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:06:36,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:06:36,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c76ebf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36, skipping insertion in model container [2024-10-11 17:06:36,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:06:36,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:06:36,694 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:06:36,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:06:36,790 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:06:36,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36 WrapperNode [2024-10-11 17:06:36,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:06:36,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:06:36,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:06:36,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:06:36,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,835 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-10-11 17:06:36,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:06:36,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:06:36,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:06:36,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:06:36,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:06:36,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:06:36,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:06:36,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:06:36,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (1/1) ... [2024-10-11 17:06:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:06:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:06:36,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:06:36,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:06:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:06:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:06:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:06:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:06:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-11 17:06:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-11 17:06:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:06:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:06:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:06:36,930 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:06:37,028 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:06:37,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:06:37,189 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:06:37,189 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:06:37,208 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:06:37,208 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:06:37,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:06:37 BoogieIcfgContainer [2024-10-11 17:06:37,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:06:37,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:06:37,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:06:37,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:06:37,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:06:36" (1/3) ... [2024-10-11 17:06:37,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2502ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:06:37, skipping insertion in model container [2024-10-11 17:06:37,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:06:36" (2/3) ... [2024-10-11 17:06:37,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2502ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:06:37, skipping insertion in model container [2024-10-11 17:06:37,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:06:37" (3/3) ... [2024-10-11 17:06:37,217 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2024-10-11 17:06:37,232 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:06:37,232 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 17:06:37,232 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:06:37,271 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 17:06:37,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 86 transitions, 176 flow [2024-10-11 17:06:37,331 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2024-10-11 17:06:37,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:06:37,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 1/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2024-10-11 17:06:37,335 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 86 transitions, 176 flow [2024-10-11 17:06:37,338 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 85 transitions, 173 flow [2024-10-11 17:06:37,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:06:37,355 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;@1283b290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:06:37,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 17:06:37,370 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:06:37,370 INFO L124 PetriNetUnfolderBase]: 1/68 cut-off events. [2024-10-11 17:06:37,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:06:37,371 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:06:37,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:06:37,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-11 17:06:37,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:06:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1038330207, now seen corresponding path program 1 times [2024-10-11 17:06:37,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:06:37,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509865165] [2024-10-11 17:06:37,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:06:37,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:06:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:06:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:06:38,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:06:38,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509865165] [2024-10-11 17:06:38,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509865165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:06:38,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:06:38,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:06:38,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147768099] [2024-10-11 17:06:38,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:06:38,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:06:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:06:38,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:06:38,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:06:38,258 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 86 [2024-10-11 17:06:38,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 173 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2024-10-11 17:06:38,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:06:38,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 86 [2024-10-11 17:06:38,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:06:38,443 INFO L124 PetriNetUnfolderBase]: 79/332 cut-off events. [2024-10-11 17:06:38,445 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:06:38,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 332 events. 79/332 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1414 event pairs, 25 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2024-10-11 17:06:38,450 INFO L140 encePairwiseOnDemand]: 75/86 looper letters, 21 selfloop transitions, 22 changer transitions 4/114 dead transitions. [2024-10-11 17:06:38,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 114 transitions, 325 flow [2024-10-11 17:06:38,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:06:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:06:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 456 transitions. [2024-10-11 17:06:38,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8837209302325582 [2024-10-11 17:06:38,468 INFO L175 Difference]: Start difference. First operand has 88 places, 85 transitions, 173 flow. Second operand 6 states and 456 transitions. [2024-10-11 17:06:38,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 114 transitions, 325 flow [2024-10-11 17:06:38,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 114 transitions, 324 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:06:38,474 INFO L231 Difference]: Finished difference. Result has 97 places, 106 transitions, 322 flow [2024-10-11 17:06:38,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=322, PETRI_PLACES=97, PETRI_TRANSITIONS=106} [2024-10-11 17:06:38,478 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 9 predicate places. [2024-10-11 17:06:38,478 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 106 transitions, 322 flow [2024-10-11 17:06:38,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2024-10-11 17:06:38,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:06:38,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:06:38,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:06:38,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-11 17:06:38,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:06:38,480 INFO L85 PathProgramCache]: Analyzing trace with hash 674462551, now seen corresponding path program 1 times [2024-10-11 17:06:38,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:06:38,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398585694] [2024-10-11 17:06:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:06:38,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:06:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:06:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:06:38,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:06:38,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398585694] [2024-10-11 17:06:38,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398585694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:06:38,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:06:38,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:06:38,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291402719] [2024-10-11 17:06:38,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:06:38,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:06:38,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:06:38,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:06:38,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:06:38,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 86 [2024-10-11 17:06:38,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 106 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 66.83333333333333) internal successors, (401), 6 states have internal predecessors, (401), 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) [2024-10-11 17:06:38,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:06:38,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 86 [2024-10-11 17:06:38,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:06:38,959 INFO L124 PetriNetUnfolderBase]: 132/465 cut-off events. [2024-10-11 17:06:38,960 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2024-10-11 17:06:38,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 465 events. 132/465 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2220 event pairs, 31 based on Foata normal form. 0/451 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2024-10-11 17:06:38,965 INFO L140 encePairwiseOnDemand]: 75/86 looper letters, 39 selfloop transitions, 29 changer transitions 7/141 dead transitions. [2024-10-11 17:06:38,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 141 transitions, 612 flow [2024-10-11 17:06:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:06:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:06:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 441 transitions. [2024-10-11 17:06:38,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8546511627906976 [2024-10-11 17:06:38,968 INFO L175 Difference]: Start difference. First operand has 97 places, 106 transitions, 322 flow. Second operand 6 states and 441 transitions. [2024-10-11 17:06:38,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 141 transitions, 612 flow [2024-10-11 17:06:38,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 141 transitions, 612 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:06:38,979 INFO L231 Difference]: Finished difference. Result has 107 places, 130 transitions, 576 flow [2024-10-11 17:06:38,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=576, PETRI_PLACES=107, PETRI_TRANSITIONS=130} [2024-10-11 17:06:38,981 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 19 predicate places. [2024-10-11 17:06:38,981 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 130 transitions, 576 flow [2024-10-11 17:06:38,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 66.83333333333333) internal successors, (401), 6 states have internal predecessors, (401), 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) [2024-10-11 17:06:38,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:06:38,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:06:38,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:06:38,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-11 17:06:38,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:06:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1492049283, now seen corresponding path program 1 times [2024-10-11 17:06:38,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:06:38,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137543571] [2024-10-11 17:06:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:06:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:06:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 17:06:39,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 17:06:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 17:06:39,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 17:06:39,058 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 17:06:39,059 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-10-11 17:06:39,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-10-11 17:06:39,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-11 17:06:39,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-10-11 17:06:39,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:06:39,062 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 17:06:39,093 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:06:39,093 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:06:39,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:06:39 BasicIcfg [2024-10-11 17:06:39,098 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:06:39,098 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:06:39,098 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:06:39,099 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:06:39,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:06:37" (3/4) ... [2024-10-11 17:06:39,101 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 17:06:39,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:06:39,102 INFO L158 Benchmark]: Toolchain (without parser) took 2816.87ms. Allocated memory was 151.0MB in the beginning and 299.9MB in the end (delta: 148.9MB). Free memory was 77.4MB in the beginning and 209.4MB in the end (delta: -132.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-10-11 17:06:39,103 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:06:39,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.11ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 77.2MB in the beginning and 177.9MB in the end (delta: -100.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-10-11 17:06:39,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.49ms. Allocated memory is still 224.4MB. Free memory was 177.9MB in the beginning and 175.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:06:39,104 INFO L158 Benchmark]: Boogie Preprocessor took 17.39ms. Allocated memory is still 224.4MB. Free memory was 175.8MB in the beginning and 173.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:06:39,104 INFO L158 Benchmark]: RCFGBuilder took 355.09ms. Allocated memory is still 224.4MB. Free memory was 173.7MB in the beginning and 155.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 17:06:39,105 INFO L158 Benchmark]: TraceAbstraction took 1887.22ms. Allocated memory was 224.4MB in the beginning and 299.9MB in the end (delta: 75.5MB). Free memory was 155.9MB in the beginning and 209.4MB in the end (delta: -53.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 17:06:39,105 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 299.9MB. Free memory is still 209.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:06:39,106 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 151.0MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.11ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 77.2MB in the beginning and 177.9MB in the end (delta: -100.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.49ms. Allocated memory is still 224.4MB. Free memory was 177.9MB in the beginning and 175.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.39ms. Allocated memory is still 224.4MB. Free memory was 175.8MB in the beginning and 173.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.09ms. Allocated memory is still 224.4MB. Free memory was 173.7MB in the beginning and 155.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1887.22ms. Allocated memory was 224.4MB in the beginning and 299.9MB in the end (delta: 75.5MB). Free memory was 155.9MB in the beginning and 209.4MB in the end (delta: -53.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 299.9MB. Free memory is still 209.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 996]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, d={2:0}, id=-1, m={2:12}, s={2:0}, x=1] [L1019] 0 *d = 8 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, d={2:0}, id=-1, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, arg={0:0}] [L1019] 0 *d = 8 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, arg={0:0}, d={2:0}, id=-1, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, arg={0:0}] Now there is a data race (on the heap) between C: *d = 8 [1019] and C: B.datum = 5 [996] - UnprovableResult [Line: 1019]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1017]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 104 locations, 4 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 349 IncrementalHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 2 mSDtfsCounter, 349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-11 17:06:39,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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