./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-wmm/mix051_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.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 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:39:52,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:39:52,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:39:52,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:39:52,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:39:52,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:39:52,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:39:52,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:39:52,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:39:52,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:39:52,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:39:52,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:39:52,631 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:39:52,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:39:52,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:39:52,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:39:52,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:39:52,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:39:52,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:39:52,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:39:52,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:39:52,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:39:52,636 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:39:52,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:39:52,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:39:52,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:39:52,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:39:52,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:39:52,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:39:52,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:39:52,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:39:52,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:39:52,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:39:52,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:39:52,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:39:52,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:39:52,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:39:52,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:39:52,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:39:52,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:39:52,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:39:52,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 [2024-10-13 09:39:52,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:39:52,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:39:52,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:39:52,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:39:52,926 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:39:52,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2024-10-13 09:39:54,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:39:54,684 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:39:54,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2024-10-13 09:39:54,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f952ee4/1456b079da40433991f5c9152083d987/FLAG623df0220 [2024-10-13 09:39:54,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f952ee4/1456b079da40433991f5c9152083d987 [2024-10-13 09:39:54,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:39:54,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:39:54,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:39:54,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:39:54,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:39:54,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:39:54" (1/1) ... [2024-10-13 09:39:54,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b77b73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:54, skipping insertion in model container [2024-10-13 09:39:54,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:39:54" (1/1) ... [2024-10-13 09:39:54,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:39:55,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:39:55,294 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:39:55,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:39:55,411 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:39:55,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55 WrapperNode [2024-10-13 09:39:55,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:39:55,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:39:55,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:39:55,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:39:55,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,506 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 948 [2024-10-13 09:39:55,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:39:55,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:39:55,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:39:55,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:39:55,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:39:55,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:39:55,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:39:55,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:39:55,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (1/1) ... [2024-10-13 09:39:55,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:39:55,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:39:55,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:39:55,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:39:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:39:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:39:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 09:39:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 09:39:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 09:39:55,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 09:39:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 09:39:55,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 09:39:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-13 09:39:55,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-13 09:39:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:39:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:39:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:39:55,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:39:55,743 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:39:55,958 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:39:55,960 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:39:57,536 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:39:57,536 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:40:02,868 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:40:02,868 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:40:02,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:02 BoogieIcfgContainer [2024-10-13 09:40:02,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:40:02,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:40:02,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:40:02,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:40:02,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:39:54" (1/3) ... [2024-10-13 09:40:02,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1069fb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:02, skipping insertion in model container [2024-10-13 09:40:02,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:55" (2/3) ... [2024-10-13 09:40:02,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1069fb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:02, skipping insertion in model container [2024-10-13 09:40:02,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:02" (3/3) ... [2024-10-13 09:40:02,880 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_tso.oepc.i [2024-10-13 09:40:02,898 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:40:02,899 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 280 error locations. [2024-10-13 09:40:02,899 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:40:03,134 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:40:03,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 420 places, 410 transitions, 836 flow [2024-10-13 09:40:03,576 INFO L124 PetriNetUnfolderBase]: 3/406 cut-off events. [2024-10-13 09:40:03,577 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:40:03,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 406 events. 3/406 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2192 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 369. Up to 2 conditions per place. [2024-10-13 09:40:03,593 INFO L82 GeneralOperation]: Start removeDead. Operand has 420 places, 410 transitions, 836 flow [2024-10-13 09:40:03,626 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 416 places, 406 transitions, 824 flow [2024-10-13 09:40:03,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:40:03,649 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;@1a906dc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:40:03,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 433 error locations. [2024-10-13 09:40:03,658 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:40:03,658 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-10-13 09:40:03,658 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:40:03,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:40:03,659 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:40:03,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 429 more)] === [2024-10-13 09:40:03,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:40:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash -178513638, now seen corresponding path program 1 times [2024-10-13 09:40:03,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:40:03,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582549726] [2024-10-13 09:40:03,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:40:03,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:40:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:40:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:40:03,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:40:03,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582549726] [2024-10-13 09:40:03,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582549726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:40:03,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:40:03,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 09:40:03,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201179898] [2024-10-13 09:40:03,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:40:03,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 09:40:03,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:40:03,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 09:40:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 09:40:03,994 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 410 [2024-10-13 09:40:04,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 406 transitions, 824 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:40:04,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:40:04,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 410 [2024-10-13 09:40:04,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:40:16,325 INFO L124 PetriNetUnfolderBase]: 7720/21539 cut-off events. [2024-10-13 09:40:16,325 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-10-13 09:40:16,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32232 conditions, 21539 events. 7720/21539 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 879. Compared 258385 event pairs, 7720 based on Foata normal form. 1819/21918 useless extension candidates. Maximal degree in co-relation 32180. Up to 10376 conditions per place. [2024-10-13 09:40:16,537 INFO L140 encePairwiseOnDemand]: 129/410 looper letters, 23 selfloop transitions, 0 changer transitions 0/123 dead transitions. [2024-10-13 09:40:16,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 123 transitions, 304 flow [2024-10-13 09:40:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 09:40:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-13 09:40:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 514 transitions. [2024-10-13 09:40:16,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6268292682926829 [2024-10-13 09:40:16,563 INFO L175 Difference]: Start difference. First operand has 416 places, 406 transitions, 824 flow. Second operand 2 states and 514 transitions. [2024-10-13 09:40:16,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 123 transitions, 304 flow [2024-10-13 09:40:16,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 123 transitions, 300 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 09:40:16,570 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 254 flow [2024-10-13 09:40:16,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=254, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2024-10-13 09:40:16,578 INFO L277 CegarLoopForPetriNet]: 416 programPoint places, -283 predicate places. [2024-10-13 09:40:16,579 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 254 flow [2024-10-13 09:40:16,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:40:16,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:40:16,580 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:40:16,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:40:16,580 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 429 more)] === [2024-10-13 09:40:16,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:40:16,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1359858706, now seen corresponding path program 1 times [2024-10-13 09:40:16,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:40:16,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277962740] [2024-10-13 09:40:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:40:16,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:40:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:40:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:40:16,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:40:16,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277962740] [2024-10-13 09:40:16,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277962740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:40:16,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:40:16,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:40:16,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8234499] [2024-10-13 09:40:16,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:40:16,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:40:16,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:40:16,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:40:16,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:40:16,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 410 [2024-10-13 09:40:16,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:40:16,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:40:16,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 410 [2024-10-13 09:40:16,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:40:28,364 INFO L124 PetriNetUnfolderBase]: 11720/30842 cut-off events. [2024-10-13 09:40:28,364 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:40:28,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46782 conditions, 30842 events. 11720/30842 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 361243 event pairs, 3720 based on Foata normal form. 0/28914 useless extension candidates. Maximal degree in co-relation 46779. Up to 10500 conditions per place. [2024-10-13 09:40:28,612 INFO L140 encePairwiseOnDemand]: 408/410 looper letters, 40 selfloop transitions, 1 changer transitions 0/138 dead transitions. [2024-10-13 09:40:28,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 138 transitions, 366 flow [2024-10-13 09:40:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:40:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:40:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-10-13 09:40:28,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28292682926829266 [2024-10-13 09:40:28,619 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 254 flow. Second operand 3 states and 348 transitions. [2024-10-13 09:40:28,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 138 transitions, 366 flow [2024-10-13 09:40:28,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 138 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:40:28,626 INFO L231 Difference]: Finished difference. Result has 134 places, 122 transitions, 254 flow [2024-10-13 09:40:28,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=134, PETRI_TRANSITIONS=122} [2024-10-13 09:40:28,628 INFO L277 CegarLoopForPetriNet]: 416 programPoint places, -282 predicate places. [2024-10-13 09:40:28,629 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 122 transitions, 254 flow [2024-10-13 09:40:28,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:40:28,629 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:40:28,629 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:40:28,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:40:28,630 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 429 more)] === [2024-10-13 09:40:28,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:40:28,632 INFO L85 PathProgramCache]: Analyzing trace with hash 611900701, now seen corresponding path program 1 times [2024-10-13 09:40:28,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:40:28,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44491420] [2024-10-13 09:40:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:40:28,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:40:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:40:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:40:28,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:40:28,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44491420] [2024-10-13 09:40:28,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44491420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:40:28,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:40:28,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:40:28,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448005017] [2024-10-13 09:40:28,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:40:28,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:40:28,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:40:28,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:40:28,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:40:28,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 410 [2024-10-13 09:40:28,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:40:28,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:40:28,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 410 [2024-10-13 09:40:28,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand