./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:02:06,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:02:06,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:02:06,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:02:06,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:02:06,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:02:06,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:02:06,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:02:06,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:02:06,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:02:06,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:02:06,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:02:06,165 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:02:06,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:02:06,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:02:06,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:02:06,167 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:02:06,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:02:06,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:02:06,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:02:06,168 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:02:06,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:02:06,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:02:06,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:02:06,168 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2025-03-17 11:02:06,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:02:06,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:02:06,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:02:06,403 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:02:06,404 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:02:06,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2025-03-17 11:02:07,562 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48054db2/1943ea9955864b788a9e3de7bbcca972/FLAGe1c0ee68f [2025-03-17 11:02:07,924 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:02:07,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2025-03-17 11:02:07,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48054db2/1943ea9955864b788a9e3de7bbcca972/FLAGe1c0ee68f [2025-03-17 11:02:08,143 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48054db2/1943ea9955864b788a9e3de7bbcca972 [2025-03-17 11:02:08,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:02:08,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:02:08,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:02:08,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:02:08,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:02:08,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee037f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08, skipping insertion in model container [2025-03-17 11:02:08,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:02:08,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:02:08,618 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:02:08,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:02:08,714 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:02:08,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08 WrapperNode [2025-03-17 11:02:08,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:02:08,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:02:08,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:02:08,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:02:08,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,761 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2025-03-17 11:02:08,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:02:08,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:02:08,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:02:08,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:02:08,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,779 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:02:08,792 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:02:08,792 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:02:08,792 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:02:08,793 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (1/1) ... [2025-03-17 11:02:08,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:02:08,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:02:08,824 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) [2025-03-17 11:02:08,826 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 [2025-03-17 11:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 11:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 11:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2025-03-17 11:02:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2025-03-17 11:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:02:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:02:08,843 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:02:08,938 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:02:08,939 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:02:09,116 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:02:09,116 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:02:09,141 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:02:09,141 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:02:09,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:02:09 BoogieIcfgContainer [2025-03-17 11:02:09,141 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:02:09,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:02:09,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:02:09,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:02:09,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:02:08" (1/3) ... [2025-03-17 11:02:09,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae15c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:02:09, skipping insertion in model container [2025-03-17 11:02:09,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:08" (2/3) ... [2025-03-17 11:02:09,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae15c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:02:09, skipping insertion in model container [2025-03-17 11:02:09,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:02:09" (3/3) ... [2025-03-17 11:02:09,151 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2025-03-17 11:02:09,163 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:02:09,165 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-1.i that has 2 procedures, 110 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2025-03-17 11:02:09,165 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:02:09,222 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-17 11:02:09,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 237 flow [2025-03-17 11:02:09,307 INFO L124 PetriNetUnfolderBase]: 6/114 cut-off events. [2025-03-17 11:02:09,308 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:02:09,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 6/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 164 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2025-03-17 11:02:09,313 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 115 transitions, 237 flow [2025-03-17 11:02:09,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 96 transitions, 198 flow [2025-03-17 11:02:09,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:02:09,337 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;@20b1241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:02:09,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-17 11:02:09,348 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:02:09,348 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2025-03-17 11:02:09,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:02:09,348 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:09,349 INFO L206 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] [2025-03-17 11:02:09,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:09,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:09,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1360077908, now seen corresponding path program 1 times [2025-03-17 11:02:09,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:09,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788343634] [2025-03-17 11:02:09,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:09,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:09,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 11:02:09,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 11:02:09,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:09,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:09,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:09,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788343634] [2025-03-17 11:02:09,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788343634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:09,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:09,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:02:09,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419085000] [2025-03-17 11:02:09,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:09,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:09,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:09,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:09,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:02:09,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-03-17 11:02:09,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2025-03-17 11:02:09,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:09,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-03-17 11:02:09,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:09,669 INFO L124 PetriNetUnfolderBase]: 22/184 cut-off events. [2025-03-17 11:02:09,669 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2025-03-17 11:02:09,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 184 events. 22/184 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 560 event pairs, 16 based on Foata normal form. 6/170 useless extension candidates. Maximal degree in co-relation 189. Up to 51 conditions per place. [2025-03-17 11:02:09,672 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 14 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2025-03-17 11:02:09,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 222 flow [2025-03-17 11:02:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2025-03-17 11:02:09,683 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8376811594202899 [2025-03-17 11:02:09,685 INFO L175 Difference]: Start difference. First operand has 96 places, 96 transitions, 198 flow. Second operand 3 states and 289 transitions. [2025-03-17 11:02:09,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 222 flow [2025-03-17 11:02:09,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:02:09,692 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 190 flow [2025-03-17 11:02:09,695 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2025-03-17 11:02:09,699 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2025-03-17 11:02:09,699 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 190 flow [2025-03-17 11:02:09,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2025-03-17 11:02:09,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:09,700 INFO L206 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] [2025-03-17 11:02:09,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:02:09,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:09,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1655630068, now seen corresponding path program 1 times [2025-03-17 11:02:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:09,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789247264] [2025-03-17 11:02:09,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:09,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:09,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 11:02:09,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 11:02:09,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:09,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:09,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:09,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789247264] [2025-03-17 11:02:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789247264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:09,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:09,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:02:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148503571] [2025-03-17 11:02:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:09,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:09,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:09,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:02:09,813 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-03-17 11:02:09,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2025-03-17 11:02:09,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:09,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-03-17 11:02:09,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:09,877 INFO L124 PetriNetUnfolderBase]: 50/294 cut-off events. [2025-03-17 11:02:09,877 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-03-17 11:02:09,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 294 events. 50/294 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1173 event pairs, 15 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 372. Up to 61 conditions per place. [2025-03-17 11:02:09,881 INFO L140 encePairwiseOnDemand]: 105/115 looper letters, 18 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2025-03-17 11:02:09,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 101 transitions, 260 flow [2025-03-17 11:02:09,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2025-03-17 11:02:09,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-03-17 11:02:09,885 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 190 flow. Second operand 3 states and 299 transitions. [2025-03-17 11:02:09,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 101 transitions, 260 flow [2025-03-17 11:02:09,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 101 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:02:09,890 INFO L231 Difference]: Finished difference. Result has 95 places, 94 transitions, 229 flow [2025-03-17 11:02:09,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=95, PETRI_TRANSITIONS=94} [2025-03-17 11:02:09,891 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -1 predicate places. [2025-03-17 11:02:09,891 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 229 flow [2025-03-17 11:02:09,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2025-03-17 11:02:09,891 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:09,892 INFO L206 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] [2025-03-17 11:02:09,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:02:09,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:09,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:09,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2045209295, now seen corresponding path program 1 times [2025-03-17 11:02:09,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:09,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324932458] [2025-03-17 11:02:09,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:09,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:09,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 11:02:09,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 11:02:09,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:09,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:09,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:09,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324932458] [2025-03-17 11:02:09,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324932458] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:09,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:09,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:02:09,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266736320] [2025-03-17 11:02:09,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:09,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:09,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:09,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:02:09,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-03-17 11:02:09,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2025-03-17 11:02:09,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:09,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-03-17 11:02:09,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:10,044 INFO L124 PetriNetUnfolderBase]: 70/361 cut-off events. [2025-03-17 11:02:10,044 INFO L125 PetriNetUnfolderBase]: For 122/130 co-relation queries the response was YES. [2025-03-17 11:02:10,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 361 events. 70/361 cut-off events. For 122/130 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1627 event pairs, 22 based on Foata normal form. 2/326 useless extension candidates. Maximal degree in co-relation 90. Up to 119 conditions per place. [2025-03-17 11:02:10,046 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 19 selfloop transitions, 7 changer transitions 0/101 dead transitions. [2025-03-17 11:02:10,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 101 transitions, 305 flow [2025-03-17 11:02:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2025-03-17 11:02:10,049 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8463768115942029 [2025-03-17 11:02:10,049 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 229 flow. Second operand 3 states and 292 transitions. [2025-03-17 11:02:10,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 101 transitions, 305 flow [2025-03-17 11:02:10,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:02:10,051 INFO L231 Difference]: Finished difference. Result has 94 places, 99 transitions, 273 flow [2025-03-17 11:02:10,051 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=94, PETRI_TRANSITIONS=99} [2025-03-17 11:02:10,052 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2025-03-17 11:02:10,052 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 273 flow [2025-03-17 11:02:10,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2025-03-17 11:02:10,052 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:10,052 INFO L206 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] [2025-03-17 11:02:10,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:02:10,053 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:10,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash -132927880, now seen corresponding path program 1 times [2025-03-17 11:02:10,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:10,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292521859] [2025-03-17 11:02:10,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:10,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 11:02:10,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 11:02:10,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:10,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:10,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:10,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292521859] [2025-03-17 11:02:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292521859] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:10,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:10,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:02:10,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562860721] [2025-03-17 11:02:10,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:10,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:10,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:10,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:10,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:02:10,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 115 [2025-03-17 11:02:10,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 99 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2025-03-17 11:02:10,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:10,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 115 [2025-03-17 11:02:10,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:10,197 INFO L124 PetriNetUnfolderBase]: 96/465 cut-off events. [2025-03-17 11:02:10,197 INFO L125 PetriNetUnfolderBase]: For 230/235 co-relation queries the response was YES. [2025-03-17 11:02:10,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 465 events. 96/465 cut-off events. For 230/235 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2332 event pairs, 25 based on Foata normal form. 2/422 useless extension candidates. Maximal degree in co-relation 303. Up to 142 conditions per place. [2025-03-17 11:02:10,201 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 19 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2025-03-17 11:02:10,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 357 flow [2025-03-17 11:02:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2025-03-17 11:02:10,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8608695652173913 [2025-03-17 11:02:10,204 INFO L175 Difference]: Start difference. First operand has 94 places, 99 transitions, 273 flow. Second operand 3 states and 297 transitions. [2025-03-17 11:02:10,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 357 flow [2025-03-17 11:02:10,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:02:10,209 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 327 flow [2025-03-17 11:02:10,209 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2025-03-17 11:02:10,210 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, 0 predicate places. [2025-03-17 11:02:10,210 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 327 flow [2025-03-17 11:02:10,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2025-03-17 11:02:10,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:10,211 INFO L206 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] [2025-03-17 11:02:10,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:02:10,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:10,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:10,213 INFO L85 PathProgramCache]: Analyzing trace with hash 335372055, now seen corresponding path program 1 times [2025-03-17 11:02:10,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:10,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556903707] [2025-03-17 11:02:10,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:10,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:10,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 11:02:10,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 11:02:10,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:10,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:10,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556903707] [2025-03-17 11:02:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556903707] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:02:10,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30420607] [2025-03-17 11:02:10,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:10,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:10,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:10,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:02:10,342 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 115 [2025-03-17 11:02:10,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2025-03-17 11:02:10,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:10,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 115 [2025-03-17 11:02:10,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:10,357 INFO L124 PetriNetUnfolderBase]: 4/115 cut-off events. [2025-03-17 11:02:10,357 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-03-17 11:02:10,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 115 events. 4/115 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 1 based on Foata normal form. 2/113 useless extension candidates. Maximal degree in co-relation 107. Up to 8 conditions per place. [2025-03-17 11:02:10,357 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2025-03-17 11:02:10,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 84 transitions, 217 flow [2025-03-17 11:02:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2025-03-17 11:02:10,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9014492753623189 [2025-03-17 11:02:10,359 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 327 flow. Second operand 3 states and 311 transitions. [2025-03-17 11:02:10,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 84 transitions, 217 flow [2025-03-17 11:02:10,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 84 transitions, 181 flow, removed 8 selfloop flow, removed 8 redundant places. [2025-03-17 11:02:10,361 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2025-03-17 11:02:10,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2025-03-17 11:02:10,361 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2025-03-17 11:02:10,361 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2025-03-17 11:02:10,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2025-03-17 11:02:10,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-17 11:02:10,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-17 11:02:10,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-03-17 11:02:10,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-03-17 11:02:10,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-03-17 11:02:10,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-17 11:02:10,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-17 11:02:10,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-17 11:02:10,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-17 11:02:10,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:02:10,370 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-17 11:02:10,373 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 11:02:10,374 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 11:02:10,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:02:10 BasicIcfg [2025-03-17 11:02:10,381 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 11:02:10,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 11:02:10,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 11:02:10,382 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 11:02:10,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:02:09" (3/4) ... [2025-03-17 11:02:10,384 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 11:02:10,386 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2025-03-17 11:02:10,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-17 11:02:10,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 11:02:10,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 11:02:10,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 11:02:10,445 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 11:02:10,446 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 11:02:10,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 11:02:10,446 INFO L158 Benchmark]: Toolchain (without parser) took 2300.42ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 103.1MB in the end (delta: 21.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2025-03-17 11:02:10,447 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 226.5MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:10,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.37ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 87.4MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 11:02:10,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.34ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 85.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:10,448 INFO L158 Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 84.2MB in the end (delta: 902.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:10,448 INFO L158 Benchmark]: IcfgBuilder took 349.39ms. Allocated memory is still 167.8MB. Free memory was 84.2MB in the beginning and 68.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:02:10,448 INFO L158 Benchmark]: TraceAbstraction took 1236.16ms. Allocated memory is still 167.8MB. Free memory was 67.6MB in the beginning and 108.1MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:10,448 INFO L158 Benchmark]: Witness Printer took 64.35ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 103.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:10,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 226.5MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.37ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 87.4MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.34ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 85.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.90ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 84.2MB in the end (delta: 902.5kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 349.39ms. Allocated memory is still 167.8MB. Free memory was 84.2MB in the beginning and 68.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1236.16ms. Allocated memory is still 167.8MB. Free memory was 67.6MB in the beginning and 108.1MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.35ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 103.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 139 locations, 145 edges, 9 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 29 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 11:02:10,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE