./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/pthread/triangular-longer-2.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/pthread/triangular-longer-2.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 647bb9f2bc4e44b8324ce986a0773d034e56e6ec110a9fd5233f5c8c0dbbeb10 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:46:00,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:46:00,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:46:00,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:46:00,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:46:00,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:46:00,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:46:00,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:46:00,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:46:00,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:46:00,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:46:00,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:46:00,813 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:46:00,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:46:00,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:46:00,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:46:00,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:46:00,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:46:00,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:46:00,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:46:00,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:46:00,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:46:00,821 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:46:00,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:46:00,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:46:00,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:46:00,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:46:00,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:46:00,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:46:00,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:46:00,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:46:00,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:46:00,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:46:00,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:46:00,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:46:00,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:46:00,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:46:00,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:46:00,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:46:00,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:46:00,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:46:00,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 647bb9f2bc4e44b8324ce986a0773d034e56e6ec110a9fd5233f5c8c0dbbeb10 [2024-10-11 16:46:01,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:46:01,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:46:01,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:46:01,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:46:01,133 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:46:01,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longer-2.i [2024-10-11 16:46:02,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:46:02,804 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:46:02,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longer-2.i [2024-10-11 16:46:02,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d43af2ac6/c3727799f54f46dc8a46c59b0f5d2871/FLAGd5a4a2c67 [2024-10-11 16:46:03,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d43af2ac6/c3727799f54f46dc8a46c59b0f5d2871 [2024-10-11 16:46:03,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:46:03,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:46:03,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:46:03,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:46:03,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:46:03,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba170b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03, skipping insertion in model container [2024-10-11 16:46:03,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:46:03,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:46:03,570 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:46:03,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:46:03,670 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:46:03,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03 WrapperNode [2024-10-11 16:46:03,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:46:03,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:46:03,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:46:03,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:46:03,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,717 INFO L138 Inliner]: procedures = 168, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2024-10-11 16:46:03,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:46:03,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:46:03,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:46:03,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:46:03,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:46:03,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:46:03,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:46:03,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:46:03,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (1/1) ... [2024-10-11 16:46:03,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:46:03,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:46:03,788 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 16:46:03,791 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 16:46:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-11 16:46:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-11 16:46:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-11 16:46:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-11 16:46:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 16:46:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:46:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:46:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 16:46:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:46:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:46:03,837 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 16:46:03,951 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:46:03,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:46:04,093 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:46:04,094 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:46:04,138 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:46:04,139 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 16:46:04,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:04 BoogieIcfgContainer [2024-10-11 16:46:04,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:46:04,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:46:04,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:46:04,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:46:04,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:46:03" (1/3) ... [2024-10-11 16:46:04,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234d1a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:46:04, skipping insertion in model container [2024-10-11 16:46:04,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:03" (2/3) ... [2024-10-11 16:46:04,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234d1a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:46:04, skipping insertion in model container [2024-10-11 16:46:04,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:04" (3/3) ... [2024-10-11 16:46:04,148 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-2.i [2024-10-11 16:46:04,163 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:46:04,163 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 16:46:04,163 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:46:04,215 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 16:46:04,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 73 transitions, 154 flow [2024-10-11 16:46:04,280 INFO L124 PetriNetUnfolderBase]: 6/71 cut-off events. [2024-10-11 16:46:04,280 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:46:04,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 71 events. 6/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 116 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-10-11 16:46:04,286 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 73 transitions, 154 flow [2024-10-11 16:46:04,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 71 transitions, 148 flow [2024-10-11 16:46:04,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:46:04,314 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;@3658ea86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:46:04,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-11 16:46:04,326 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:46:04,327 INFO L124 PetriNetUnfolderBase]: 1/27 cut-off events. [2024-10-11 16:46:04,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:46:04,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:04,329 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] [2024-10-11 16:46:04,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-10-11 16:46:04,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1798493603, now seen corresponding path program 1 times [2024-10-11 16:46:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443797034] [2024-10-11 16:46:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:04,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:04,552 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 16:46:04,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:04,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443797034] [2024-10-11 16:46:04,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443797034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:04,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:04,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 16:46:04,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477183893] [2024-10-11 16:46:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:04,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 16:46:04,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:04,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 16:46:04,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 16:46:04,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 73 [2024-10-11 16:46:04,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 148 flow. Second operand has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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 16:46:04,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:04,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 73 [2024-10-11 16:46:04,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:04,667 INFO L124 PetriNetUnfolderBase]: 18/134 cut-off events. [2024-10-11 16:46:04,667 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 16:46:04,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 134 events. 18/134 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 449 event pairs, 10 based on Foata normal form. 26/147 useless extension candidates. Maximal degree in co-relation 149. Up to 31 conditions per place. [2024-10-11 16:46:04,671 INFO L140 encePairwiseOnDemand]: 63/73 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2024-10-11 16:46:04,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 136 flow [2024-10-11 16:46:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 16:46:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-11 16:46:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 128 transitions. [2024-10-11 16:46:04,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8767123287671232 [2024-10-11 16:46:04,688 INFO L175 Difference]: Start difference. First operand has 72 places, 71 transitions, 148 flow. Second operand 2 states and 128 transitions. [2024-10-11 16:46:04,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 136 flow [2024-10-11 16:46:04,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 59 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:04,691 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-10-11 16:46:04,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-10-11 16:46:04,696 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-10-11 16:46:04,699 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-10-11 16:46:04,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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 16:46:04,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2024-10-11 16:46:04,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2024-10-11 16:46:04,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2024-10-11 16:46:04,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2024-10-11 16:46:04,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-10-11 16:46:04,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-10-11 16:46:04,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-10-11 16:46:04,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-10-11 16:46:04,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-10-11 16:46:04,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-10-11 16:46:04,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-10-11 16:46:04,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-10-11 16:46:04,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:46:04,706 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 16:46:04,712 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 16:46:04,712 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 16:46:04,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:46:04 BasicIcfg [2024-10-11 16:46:04,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 16:46:04,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 16:46:04,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 16:46:04,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 16:46:04,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:04" (3/4) ... [2024-10-11 16:46:04,723 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 16:46:04,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-10-11 16:46:04,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-10-11 16:46:04,729 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-11 16:46:04,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-11 16:46:04,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 16:46:04,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 16:46:04,812 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 16:46:04,812 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 16:46:04,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 16:46:04,813 INFO L158 Benchmark]: Toolchain (without parser) took 1660.94ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 126.3MB in the beginning and 197.0MB in the end (delta: -70.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:46:04,813 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:46:04,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.22ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 104.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 16:46:04,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.02ms. Allocated memory is still 184.5MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:46:04,815 INFO L158 Benchmark]: Boogie Preprocessor took 36.28ms. Allocated memory is still 184.5MB. Free memory was 102.5MB in the beginning and 101.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:46:04,819 INFO L158 Benchmark]: RCFGBuilder took 384.33ms. Allocated memory is still 184.5MB. Free memory was 101.2MB in the beginning and 85.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 16:46:04,819 INFO L158 Benchmark]: TraceAbstraction took 576.18ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 84.4MB in the beginning and 201.2MB in the end (delta: -116.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:46:04,819 INFO L158 Benchmark]: Witness Printer took 94.10ms. Allocated memory is still 247.5MB. Free memory was 201.2MB in the beginning and 197.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 16:46:04,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.22ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 104.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.02ms. Allocated memory is still 184.5MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.28ms. Allocated memory is still 184.5MB. Free memory was 102.5MB in the beginning and 101.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.33ms. Allocated memory is still 184.5MB. Free memory was 101.2MB in the beginning and 85.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 576.18ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 84.4MB in the beginning and 201.2MB in the end (delta: -116.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 94.10ms. Allocated memory is still 247.5MB. Free memory was 201.2MB in the beginning and 197.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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 5 procedures, 96 locations, 12 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 16:46:04,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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