./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/safe013_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/safe013_tso.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 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 16:57:47,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 16:57:47,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 16:57:47,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 16:57:47,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 16:57:47,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 16:57:47,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 16:57:47,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 16:57:47,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 16:57:47,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 16:57:47,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 16:57:47,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 16:57:47,787 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 16:57:47,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 16:57:47,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 16:57:47,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 16:57:47,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 16:57:47,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 16:57:47,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 16:57:47,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 16:57:47,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 16:57:47,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 16:57:47,794 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 16:57:47,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 16:57:47,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 16:57:47,794 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 16:57:47,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 16:57:47,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 16:57:47,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 16:57:47,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 16:57:47,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 16:57:47,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:57:47,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 16:57:47,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 16:57:47,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 16:57:47,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 16:57:47,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 16:57:47,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 16:57:47,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 16:57:47,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 16:57:47,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 16:57:47,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 [2024-10-14 16:57:48,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 16:57:48,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 16:57:48,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 16:57:48,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 16:57:48,065 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 16:57:48,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe013_tso.i [2024-10-14 16:57:49,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 16:57:49,730 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 16:57:49,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe013_tso.i [2024-10-14 16:57:49,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ebfa8a7/7c5a6c7938fc46849373ddb43a5d4dc6/FLAGa1ef0ab3b [2024-10-14 16:57:50,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ebfa8a7/7c5a6c7938fc46849373ddb43a5d4dc6 [2024-10-14 16:57:50,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 16:57:50,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 16:57:50,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 16:57:50,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 16:57:50,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 16:57:50,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23993f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50, skipping insertion in model container [2024-10-14 16:57:50,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 16:57:50,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:57:50,523 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 16:57:50,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:57:50,602 INFO L204 MainTranslator]: Completed translation [2024-10-14 16:57:50,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50 WrapperNode [2024-10-14 16:57:50,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 16:57:50,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 16:57:50,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 16:57:50,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 16:57:50,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,657 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2024-10-14 16:57:50,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 16:57:50,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 16:57:50,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 16:57:50,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 16:57:50,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 16:57:50,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 16:57:50,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 16:57:50,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 16:57:50,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (1/1) ... [2024-10-14 16:57:50,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:57:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 16:57:50,743 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) [2024-10-14 16:57:50,746 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 [2024-10-14 16:57:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 16:57:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 16:57:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 16:57:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 16:57:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 16:57:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 16:57:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 16:57:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 16:57:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 16:57:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 16:57:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 16:57:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 16:57:50,797 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 16:57:50,940 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 16:57:50,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 16:57:51,205 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 16:57:51,208 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 16:57:51,359 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 16:57:51,359 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 16:57:51,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:57:51 BoogieIcfgContainer [2024-10-14 16:57:51,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 16:57:51,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 16:57:51,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 16:57:51,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 16:57:51,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:57:50" (1/3) ... [2024-10-14 16:57:51,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621f4742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:57:51, skipping insertion in model container [2024-10-14 16:57:51,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:50" (2/3) ... [2024-10-14 16:57:51,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621f4742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:57:51, skipping insertion in model container [2024-10-14 16:57:51,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:57:51" (3/3) ... [2024-10-14 16:57:51,371 INFO L112 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2024-10-14 16:57:51,388 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 16:57:51,388 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-14 16:57:51,388 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 16:57:51,456 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 16:57:51,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 116 transitions, 244 flow [2024-10-14 16:57:51,570 INFO L124 PetriNetUnfolderBase]: 3/113 cut-off events. [2024-10-14 16:57:51,570 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:51,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 3/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 130 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2024-10-14 16:57:51,581 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 116 transitions, 244 flow [2024-10-14 16:57:51,586 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 113 transitions, 235 flow [2024-10-14 16:57:51,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 16:57:51,606 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;@51278800, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 16:57:51,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-10-14 16:57:51,618 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 16:57:51,620 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-10-14 16:57:51,620 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:51,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:57:51,621 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] [2024-10-14 16:57:51,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-14 16:57:51,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:57:51,628 INFO L85 PathProgramCache]: Analyzing trace with hash -261602894, now seen corresponding path program 1 times [2024-10-14 16:57:51,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:57:51,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666802102] [2024-10-14 16:57:51,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:57:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:57:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:57:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:57:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:57:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666802102] [2024-10-14 16:57:51,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666802102] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:57:51,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:57:51,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 16:57:51,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020813607] [2024-10-14 16:57:51,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:57:51,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 16:57:51,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:57:51,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 16:57:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 16:57:51,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 116 [2024-10-14 16:57:51,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 235 flow. Second operand has 2 states, 2 states have (on average 79.0) internal successors, (158), 2 states have internal predecessors, (158), 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) [2024-10-14 16:57:51,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:57:51,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 116 [2024-10-14 16:57:51,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:57:52,193 INFO L124 PetriNetUnfolderBase]: 396/904 cut-off events. [2024-10-14 16:57:52,194 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-14 16:57:52,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 904 events. 396/904 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5719 event pairs, 396 based on Foata normal form. 110/953 useless extension candidates. Maximal degree in co-relation 1530. Up to 609 conditions per place. [2024-10-14 16:57:52,209 INFO L140 encePairwiseOnDemand]: 93/116 looper letters, 14 selfloop transitions, 0 changer transitions 0/88 dead transitions. [2024-10-14 16:57:52,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 88 transitions, 213 flow [2024-10-14 16:57:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 16:57:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-14 16:57:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 193 transitions. [2024-10-14 16:57:52,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2024-10-14 16:57:52,223 INFO L175 Difference]: Start difference. First operand has 120 places, 113 transitions, 235 flow. Second operand 2 states and 193 transitions. [2024-10-14 16:57:52,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 88 transitions, 213 flow [2024-10-14 16:57:52,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 16:57:52,231 INFO L231 Difference]: Finished difference. Result has 96 places, 88 transitions, 182 flow [2024-10-14 16:57:52,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=96, PETRI_TRANSITIONS=88} [2024-10-14 16:57:52,238 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -24 predicate places. [2024-10-14 16:57:52,239 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 182 flow [2024-10-14 16:57:52,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.0) internal successors, (158), 2 states have internal predecessors, (158), 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) [2024-10-14 16:57:52,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:57:52,240 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] [2024-10-14 16:57:52,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 16:57:52,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-14 16:57:52,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:57:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash -785114499, now seen corresponding path program 1 times [2024-10-14 16:57:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:57:52,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050130352] [2024-10-14 16:57:52,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:57:52,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:57:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:57:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:57:52,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:57:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050130352] [2024-10-14 16:57:52,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050130352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:57:52,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:57:52,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:57:52,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001765911] [2024-10-14 16:57:52,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:57:52,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:57:52,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:57:52,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:57:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:57:52,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2024-10-14 16:57:52,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 88 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2024-10-14 16:57:52,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:57:52,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2024-10-14 16:57:52,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:57:52,693 INFO L124 PetriNetUnfolderBase]: 684/2765 cut-off events. [2024-10-14 16:57:52,694 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:52,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3834 conditions, 2765 events. 684/2765 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 24962 event pairs, 252 based on Foata normal form. 0/2558 useless extension candidates. Maximal degree in co-relation 3831. Up to 624 conditions per place. [2024-10-14 16:57:52,716 INFO L140 encePairwiseOnDemand]: 114/116 looper letters, 24 selfloop transitions, 1 changer transitions 0/96 dead transitions. [2024-10-14 16:57:52,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 96 transitions, 248 flow [2024-10-14 16:57:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:57:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:57:52,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2024-10-14 16:57:52,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7212643678160919 [2024-10-14 16:57:52,720 INFO L175 Difference]: Start difference. First operand has 96 places, 88 transitions, 182 flow. Second operand 3 states and 251 transitions. [2024-10-14 16:57:52,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 96 transitions, 248 flow [2024-10-14 16:57:52,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 96 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:57:52,725 INFO L231 Difference]: Finished difference. Result has 97 places, 87 transitions, 182 flow [2024-10-14 16:57:52,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2024-10-14 16:57:52,726 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -23 predicate places. [2024-10-14 16:57:52,727 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 182 flow [2024-10-14 16:57:52,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2024-10-14 16:57:52,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:57:52,727 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] [2024-10-14 16:57:52,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 16:57:52,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-14 16:57:52,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:57:52,730 INFO L85 PathProgramCache]: Analyzing trace with hash 518196356, now seen corresponding path program 1 times [2024-10-14 16:57:52,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:57:52,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916188367] [2024-10-14 16:57:52,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:57:52,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:57:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:57:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:57:52,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:57:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916188367] [2024-10-14 16:57:52,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916188367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:57:52,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:57:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:57:52,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135706736] [2024-10-14 16:57:52,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:57:52,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:57:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:57:52,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:57:52,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:57:52,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2024-10-14 16:57:52,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-10-14 16:57:52,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:57:52,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2024-10-14 16:57:52,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:57:53,064 INFO L124 PetriNetUnfolderBase]: 684/2135 cut-off events. [2024-10-14 16:57:53,065 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:53,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3206 conditions, 2135 events. 684/2135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 17487 event pairs, 396 based on Foata normal form. 0/2013 useless extension candidates. Maximal degree in co-relation 3202. Up to 609 conditions per place. [2024-10-14 16:57:53,075 INFO L140 encePairwiseOnDemand]: 114/116 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2024-10-14 16:57:53,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 95 transitions, 248 flow [2024-10-14 16:57:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:57:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:57:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2024-10-14 16:57:53,079 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7212643678160919 [2024-10-14 16:57:53,079 INFO L175 Difference]: Start difference. First operand has 97 places, 87 transitions, 182 flow. Second operand 3 states and 251 transitions. [2024-10-14 16:57:53,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 95 transitions, 248 flow [2024-10-14 16:57:53,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 95 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 16:57:53,082 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2024-10-14 16:57:53,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2024-10-14 16:57:53,083 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -23 predicate places. [2024-10-14 16:57:53,084 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2024-10-14 16:57:53,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-10-14 16:57:53,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2024-10-14 16:57:53,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-10-14 16:57:53,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-10-14 16:57:53,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-10-14 16:57:53,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-10-14 16:57:53,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-10-14 16:57:53,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-10-14 16:57:53,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-10-14 16:57:53,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-10-14 16:57:53,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-10-14 16:57:53,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2024-10-14 16:57:53,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-10-14 16:57:53,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-10-14 16:57:53,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-10-14 16:57:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-10-14 16:57:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-10-14 16:57:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-10-14 16:57:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-10-14 16:57:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-10-14 16:57:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-10-14 16:57:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-10-14 16:57:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-10-14 16:57:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 39 remaining) [2024-10-14 16:57:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2024-10-14 16:57:53,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 39 remaining) [2024-10-14 16:57:53,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-10-14 16:57:53,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-10-14 16:57:53,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-10-14 16:57:53,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-10-14 16:57:53,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-10-14 16:57:53,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-10-14 16:57:53,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-10-14 16:57:53,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-10-14 16:57:53,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-10-14 16:57:53,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-10-14 16:57:53,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-10-14 16:57:53,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-10-14 16:57:53,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-10-14 16:57:53,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2024-10-14 16:57:53,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 16:57:53,098 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 16:57:53,105 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 16:57:53,105 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 16:57:53,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:57:53 BasicIcfg [2024-10-14 16:57:53,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 16:57:53,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 16:57:53,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 16:57:53,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 16:57:53,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:57:51" (3/4) ... [2024-10-14 16:57:53,118 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 16:57:53,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 16:57:53,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 16:57:53,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-14 16:57:53,126 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-14 16:57:53,126 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 16:57:53,126 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 16:57:53,127 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 16:57:53,218 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 16:57:53,218 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 16:57:53,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 16:57:53,219 INFO L158 Benchmark]: Toolchain (without parser) took 3158.80ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 105.7MB in the beginning and 94.7MB in the end (delta: 11.0MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,219 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:57:53,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.60ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 130.4MB in the end (delta: -24.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,220 INFO L158 Benchmark]: Boogie Preprocessor took 42.42ms. Allocated memory is still 172.0MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,221 INFO L158 Benchmark]: RCFGBuilder took 653.04ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 97.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,221 INFO L158 Benchmark]: TraceAbstraction took 1751.65ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 96.9MB in the beginning and 98.9MB in the end (delta: -2.0MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,221 INFO L158 Benchmark]: Witness Printer took 103.72ms. Allocated memory is still 207.6MB. Free memory was 98.9MB in the beginning and 94.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 16:57:53,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.60ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 130.4MB in the end (delta: -24.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.42ms. Allocated memory is still 172.0MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.04ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 97.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1751.65ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 96.9MB in the beginning and 98.9MB in the end (delta: -2.0MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * Witness Printer took 103.72ms. Allocated memory is still 207.6MB. Free memory was 98.9MB in the beginning and 94.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 39 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 16:57:53,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE