./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed.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 1e7e50acdaac6c5347f0e6861619a1b564ff01a6e5e780f6d69a20f7f739312d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:30:59,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:30:59,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:30:59,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:30:59,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:30:59,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:30:59,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:30:59,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:30:59,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:30:59,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:30:59,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:30:59,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:30:59,165 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:30:59,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:30:59,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:30:59,166 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:30:59,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:30:59,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:30:59,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:30:59,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:30:59,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:30:59,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:30:59,171 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:30:59,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:30:59,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:30:59,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:30:59,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:30:59,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:30:59,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:30:59,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:30:59,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:30:59,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:30:59,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:30:59,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:30:59,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:30:59,188 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:30:59,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:30:59,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:30:59,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:30:59,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:30:59,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:30:59,190 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e7e50acdaac6c5347f0e6861619a1b564ff01a6e5e780f6d69a20f7f739312d [2024-11-22 17:30:59,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:30:59,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:30:59,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:30:59,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:30:59,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:30:59,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed.i [2024-11-22 17:31:00,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:31:00,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:31:00,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed.i [2024-11-22 17:31:00,985 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8192c5b/e24706a62e92479f8e6dcda0cec42c76/FLAGe67bc6be4 [2024-11-22 17:31:01,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8192c5b/e24706a62e92479f8e6dcda0cec42c76 [2024-11-22 17:31:01,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:31:01,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:31:01,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:31:01,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:31:01,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:31:01,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b65346f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01, skipping insertion in model container [2024-11-22 17:31:01,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:31:01,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:31:01,770 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:31:01,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:31:01,843 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:31:01,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01 WrapperNode [2024-11-22 17:31:01,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:31:01,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:31:01,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:31:01,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:31:01,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,895 INFO L138 Inliner]: procedures = 171, calls = 18, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 139 [2024-11-22 17:31:01,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:31:01,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:31:01,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:31:01,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:31:01,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:31:01,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:31:01,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:31:01,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:31:01,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (1/1) ... [2024-11-22 17:31:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:31:01,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:31:01,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:31:01,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:31:02,002 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-22 17:31:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-22 17:31:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:31:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:31:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:31:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:31:02,005 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:31:02,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:31:02,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:31:02,334 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:31:02,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:31:02,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:31:02,444 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 17:31:02,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:31:02 BoogieIcfgContainer [2024-11-22 17:31:02,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:31:02,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:31:02,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:31:02,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:31:02,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:31:01" (1/3) ... [2024-11-22 17:31:02,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f240fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:31:02, skipping insertion in model container [2024-11-22 17:31:02,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:31:01" (2/3) ... [2024-11-22 17:31:02,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f240fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:31:02, skipping insertion in model container [2024-11-22 17:31:02,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:31:02" (3/3) ... [2024-11-22 17:31:02,451 INFO L112 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2024-11-22 17:31:02,465 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:31:02,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 17:31:02,465 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:31:02,494 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:31:02,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 74 transitions, 152 flow [2024-11-22 17:31:02,542 INFO L124 PetriNetUnfolderBase]: 2/73 cut-off events. [2024-11-22 17:31:02,542 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:31:02,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 97 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2024-11-22 17:31:02,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 74 transitions, 152 flow [2024-11-22 17:31:02,549 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 73 transitions, 149 flow [2024-11-22 17:31:02,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:31:02,561 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;@deb9738, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:31:02,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-22 17:31:02,566 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:31:02,566 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-22 17:31:02,566 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:31:02,567 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:31:02,567 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] [2024-11-22 17:31:02,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:31:02,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:31:02,571 INFO L85 PathProgramCache]: Analyzing trace with hash -377006332, now seen corresponding path program 1 times [2024-11-22 17:31:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:31:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35055898] [2024-11-22 17:31:02,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:31:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:31:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:31:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:31:02,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:31:02,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35055898] [2024-11-22 17:31:02,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35055898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:31:02,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:31:02,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 17:31:02,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12294198] [2024-11-22 17:31:02,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:31:02,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 17:31:02,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:31:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 17:31:02,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 17:31:02,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 74 [2024-11-22 17:31:02,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 73 transitions, 149 flow. Second operand has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 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) [2024-11-22 17:31:02,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:31:02,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 74 [2024-11-22 17:31:02,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:31:02,812 INFO L124 PetriNetUnfolderBase]: 10/110 cut-off events. [2024-11-22 17:31:02,813 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:31:02,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 110 events. 10/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 227 event pairs, 9 based on Foata normal form. 3/103 useless extension candidates. Maximal degree in co-relation 117. Up to 26 conditions per place. [2024-11-22 17:31:02,816 INFO L140 encePairwiseOnDemand]: 58/74 looper letters, 7 selfloop transitions, 0 changer transitions 0/57 dead transitions. [2024-11-22 17:31:02,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 57 transitions, 131 flow [2024-11-22 17:31:02,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 17:31:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-22 17:31:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 125 transitions. [2024-11-22 17:31:02,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8445945945945946 [2024-11-22 17:31:02,854 INFO L175 Difference]: Start difference. First operand has 75 places, 73 transitions, 149 flow. Second operand 2 states and 125 transitions. [2024-11-22 17:31:02,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 57 transitions, 131 flow [2024-11-22 17:31:02,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 57 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:31:02,860 INFO L231 Difference]: Finished difference. Result has 60 places, 57 transitions, 116 flow [2024-11-22 17:31:02,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=116, PETRI_PLACES=60, PETRI_TRANSITIONS=57} [2024-11-22 17:31:02,866 INFO L277 CegarLoopForPetriNet]: 75 programPoint places, -15 predicate places. [2024-11-22 17:31:02,866 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 57 transitions, 116 flow [2024-11-22 17:31:02,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 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) [2024-11-22 17:31:02,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:31:02,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:31:02,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:31:02,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:31:02,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:31:02,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1724568184, now seen corresponding path program 1 times [2024-11-22 17:31:02,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:31:02,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956683582] [2024-11-22 17:31:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:31:02,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:31:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:31:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:31:02,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:31:02,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956683582] [2024-11-22 17:31:02,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956683582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:31:02,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:31:02,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:31:02,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629499335] [2024-11-22 17:31:02,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:31:02,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:31:02,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:31:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:31:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:31:02,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 74 [2024-11-22 17:31:02,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 116 flow. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2024-11-22 17:31:02,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:31:02,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 74 [2024-11-22 17:31:02,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:31:03,024 INFO L124 PetriNetUnfolderBase]: 41/213 cut-off events. [2024-11-22 17:31:03,024 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:31:03,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 213 events. 41/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 857 event pairs, 23 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 307. Up to 73 conditions per place. [2024-11-22 17:31:03,025 INFO L140 encePairwiseOnDemand]: 69/74 looper letters, 12 selfloop transitions, 4 changer transitions 3/63 dead transitions. [2024-11-22 17:31:03,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 63 transitions, 166 flow [2024-11-22 17:31:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:31:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:31:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2024-11-22 17:31:03,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6981981981981982 [2024-11-22 17:31:03,030 INFO L175 Difference]: Start difference. First operand has 60 places, 57 transitions, 116 flow. Second operand 3 states and 155 transitions. [2024-11-22 17:31:03,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 63 transitions, 166 flow [2024-11-22 17:31:03,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 63 transitions, 166 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:31:03,034 INFO L231 Difference]: Finished difference. Result has 64 places, 60 transitions, 146 flow [2024-11-22 17:31:03,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=64, PETRI_TRANSITIONS=60} [2024-11-22 17:31:03,037 INFO L277 CegarLoopForPetriNet]: 75 programPoint places, -11 predicate places. [2024-11-22 17:31:03,037 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 60 transitions, 146 flow [2024-11-22 17:31:03,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2024-11-22 17:31:03,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:31:03,037 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:31:03,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:31:03,038 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:31:03,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:31:03,039 INFO L85 PathProgramCache]: Analyzing trace with hash 301868905, now seen corresponding path program 1 times [2024-11-22 17:31:03,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:31:03,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716719486] [2024-11-22 17:31:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:31:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:31:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:31:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:31:03,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:31:03,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716719486] [2024-11-22 17:31:03,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716719486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:31:03,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:31:03,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:31:03,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707992746] [2024-11-22 17:31:03,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:31:03,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:31:03,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:31:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:31:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:31:03,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 74 [2024-11-22 17:31:03,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 60 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2024-11-22 17:31:03,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:31:03,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 74 [2024-11-22 17:31:03,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:31:03,141 INFO L124 PetriNetUnfolderBase]: 29/204 cut-off events. [2024-11-22 17:31:03,141 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:31:03,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 204 events. 29/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 832 event pairs, 2 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 295. Up to 38 conditions per place. [2024-11-22 17:31:03,143 INFO L140 encePairwiseOnDemand]: 70/74 looper letters, 11 selfloop transitions, 3 changer transitions 3/67 dead transitions. [2024-11-22 17:31:03,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 67 transitions, 194 flow [2024-11-22 17:31:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:31:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:31:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-11-22 17:31:03,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7297297297297297 [2024-11-22 17:31:03,147 INFO L175 Difference]: Start difference. First operand has 64 places, 60 transitions, 146 flow. Second operand 3 states and 162 transitions. [2024-11-22 17:31:03,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 67 transitions, 194 flow [2024-11-22 17:31:03,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 67 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:31:03,149 INFO L231 Difference]: Finished difference. Result has 66 places, 62 transitions, 160 flow [2024-11-22 17:31:03,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=66, PETRI_TRANSITIONS=62} [2024-11-22 17:31:03,150 INFO L277 CegarLoopForPetriNet]: 75 programPoint places, -9 predicate places. [2024-11-22 17:31:03,151 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 160 flow [2024-11-22 17:31:03,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2024-11-22 17:31:03,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:31:03,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:31:03,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:31:03,152 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:31:03,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:31:03,153 INFO L85 PathProgramCache]: Analyzing trace with hash -684540743, now seen corresponding path program 1 times [2024-11-22 17:31:03,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:31:03,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210480766] [2024-11-22 17:31:03,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:31:03,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:31:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:31:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:31:03,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:31:03,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210480766] [2024-11-22 17:31:03,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210480766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:31:03,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:31:03,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:31:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922139756] [2024-11-22 17:31:03,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:31:03,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:31:03,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:31:03,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:31:03,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:31:03,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 74 [2024-11-22 17:31:03,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 62 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2024-11-22 17:31:03,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:31:03,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 74 [2024-11-22 17:31:03,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:31:03,235 INFO L124 PetriNetUnfolderBase]: 59/308 cut-off events. [2024-11-22 17:31:03,236 INFO L125 PetriNetUnfolderBase]: For 86/93 co-relation queries the response was YES. [2024-11-22 17:31:03,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 308 events. 59/308 cut-off events. For 86/93 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1529 event pairs, 2 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 536. Up to 94 conditions per place. [2024-11-22 17:31:03,239 INFO L140 encePairwiseOnDemand]: 70/74 looper letters, 13 selfloop transitions, 4 changer transitions 9/72 dead transitions. [2024-11-22 17:31:03,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 236 flow [2024-11-22 17:31:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:31:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:31:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-11-22 17:31:03,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7297297297297297 [2024-11-22 17:31:03,242 INFO L175 Difference]: Start difference. First operand has 66 places, 62 transitions, 160 flow. Second operand 3 states and 162 transitions. [2024-11-22 17:31:03,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 236 flow [2024-11-22 17:31:03,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 72 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:31:03,244 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 178 flow [2024-11-22 17:31:03,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2024-11-22 17:31:03,244 INFO L277 CegarLoopForPetriNet]: 75 programPoint places, -7 predicate places. [2024-11-22 17:31:03,245 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 178 flow [2024-11-22 17:31:03,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2024-11-22 17:31:03,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:31:03,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:31:03,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:31:03,245 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:31:03,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:31:03,246 INFO L85 PathProgramCache]: Analyzing trace with hash 486320213, now seen corresponding path program 1 times [2024-11-22 17:31:03,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:31:03,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531942539] [2024-11-22 17:31:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:31:03,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:31:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:31:03,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 17:31:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:31:03,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 17:31:03,295 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 17:31:03,295 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2024-11-22 17:31:03,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2024-11-22 17:31:03,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2024-11-22 17:31:03,297 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2024-11-22 17:31:03,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2024-11-22 17:31:03,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2024-11-22 17:31:03,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2024-11-22 17:31:03,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2024-11-22 17:31:03,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2024-11-22 17:31:03,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2024-11-22 17:31:03,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2024-11-22 17:31:03,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2024-11-22 17:31:03,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (11 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2024-11-22 17:31:03,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2024-11-22 17:31:03,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2024-11-22 17:31:03,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:31:03,302 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-22 17:31:03,332 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:31:03,332 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:31:03,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:31:03 BasicIcfg [2024-11-22 17:31:03,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:31:03,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:31:03,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:31:03,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:31:03,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:31:02" (3/4) ... [2024-11-22 17:31:03,338 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 17:31:03,377 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:31:03,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:31:03,378 INFO L158 Benchmark]: Toolchain (without parser) took 2074.86ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 95.1MB in the end (delta: 51.4MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-11-22 17:31:03,378 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:31:03,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.79ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 124.3MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 17:31:03,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.74ms. Allocated memory is still 201.3MB. Free memory was 124.3MB in the beginning and 121.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:31:03,378 INFO L158 Benchmark]: Boogie Preprocessor took 22.10ms. Allocated memory is still 201.3MB. Free memory was 121.3MB in the beginning and 120.4MB in the end (delta: 910.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:31:03,378 INFO L158 Benchmark]: RCFGBuilder took 526.38ms. Allocated memory is still 201.3MB. Free memory was 120.4MB in the beginning and 86.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-22 17:31:03,379 INFO L158 Benchmark]: TraceAbstraction took 889.86ms. Allocated memory is still 201.3MB. Free memory was 86.5MB in the beginning and 99.3MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:31:03,379 INFO L158 Benchmark]: Witness Printer took 40.30ms. Allocated memory is still 201.3MB. Free memory was 99.3MB in the beginning and 95.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:31:03,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.79ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 124.3MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.74ms. Allocated memory is still 201.3MB. Free memory was 124.3MB in the beginning and 121.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.10ms. Allocated memory is still 201.3MB. Free memory was 121.3MB in the beginning and 120.4MB in the end (delta: 910.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.38ms. Allocated memory is still 201.3MB. Free memory was 120.4MB in the beginning and 86.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 889.86ms. Allocated memory is still 201.3MB. Free memory was 86.5MB in the beginning and 99.3MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.30ms. Allocated memory is still 201.3MB. Free memory was 99.3MB in the beginning and 95.1MB 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: - DataRaceFoundResult [Line: 724]: Data race detected Data race detected The following path leads to a data race: [L688] 0 int mThread=0; VAL [mThread=0] [L689] 0 int start_main=0; VAL [mThread=0, start_main=0] [L690] 0 int mStartLock=0; VAL [mStartLock=0, mThread=0, start_main=0] [L691] 0 int __COUNT__ =0; VAL [__COUNT__=0, mStartLock=0, mThread=0, start_main=0] [L733] 0 pthread_t t; VAL [__COUNT__=0, mStartLock=0, mThread=0, start_main=0] [L734] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [__COUNT__=0, mStartLock=0, mThread=0, start_main=0, t=-1] [L710] 1 int PR_CreateThread__RES = 1; VAL [PR_CreateThread__RES=1, \old(arg)={0:0}, __COUNT__=0, arg={0:0}, mStartLock=0, mThread=0, start_main=0] [L711] CALL 1 __VERIFIER_atomic_acquire() [L694] EXPR 1 mStartLock==0 [L694] CALL 1 assume_abort_if_not(mStartLock==0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(mStartLock==0) [L695] 1 mStartLock = 1 [L711] RET 1 __VERIFIER_atomic_acquire() [L712] 1 start_main=1 VAL [PR_CreateThread__RES=1, \old(arg)={0:0}, __COUNT__=0, arg={0:0}, mStartLock=1, mThread=0, start_main=1] [L735] CALL 0 thr2(0) [L724] 0 int self = mThread; VAL [\old(arg)={0:0}, __COUNT__=0, arg={0:0}, mStartLock=1, mThread=0, start_main=1] [L713] CALL 1 __VERIFIER_atomic_thr1(PR_CreateThread__RES) [L704] 1 __COUNT__ == 0 [L704] COND TRUE 1 __COUNT__ == 0 [L705] 1 mThread = PR_CreateThread__RES [L706] EXPR 1 __COUNT__ + 1 [L706] 1 __COUNT__ = __COUNT__ + 1 [L713] RET 1 __VERIFIER_atomic_thr1(PR_CreateThread__RES) [L724] 0 int self = mThread; VAL [\old(arg)={0:0}, __COUNT__=1, arg={0:0}, mStartLock=1, mThread=1, start_main=1] Now there is a data race on ~mThread~0 between C: mThread = PR_CreateThread__RES [705] and C: int self = mThread; [724] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 28 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: 0.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=4, InterpolantAutomatonStates: 11, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-22 17:31:03,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE