./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/weaver/bench-exp1x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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/weaver/bench-exp1x3.wvr.c -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 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:52:02,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:52:02,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:52:02,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:52:02,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:52:02,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:52:02,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:52:02,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:52:02,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:52:02,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:52:02,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:52:02,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:52:02,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:52:02,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:52:02,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:52:02,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:52:02,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:52:02,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:52:02,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:52:02,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:52:02,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:52:02,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:52:02,810 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:52:02,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:52:02,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:52:02,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:52:02,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:52:02,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:52:02,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:52:02,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:52:02,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:52:02,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:02,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:52:02,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:52:02,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:52:02,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:52:02,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:52:02,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:52:02,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:52:02,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:52:02,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:52:02,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d [2024-11-20 13:52:03,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:52:03,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:52:03,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:52:03,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:52:03,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:52:03,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2024-11-20 13:52:04,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:52:04,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:52:04,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2024-11-20 13:52:04,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6bff550/ba514f62b9f34af08404c8cb809dac86/FLAG25090ad04 [2024-11-20 13:52:04,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6bff550/ba514f62b9f34af08404c8cb809dac86 [2024-11-20 13:52:04,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:52:04,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:52:04,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:52:04,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:52:04,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:52:04,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:04" (1/1) ... [2024-11-20 13:52:04,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783efc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:04, skipping insertion in model container [2024-11-20 13:52:04,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:04" (1/1) ... [2024-11-20 13:52:04,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:52:05,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:52:05,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:52:05,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:52:05,130 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:52:05,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05 WrapperNode [2024-11-20 13:52:05,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:52:05,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:52:05,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:52:05,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:52:05,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,169 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2024-11-20 13:52:05,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:52:05,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:52:05,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:52:05,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:52:05,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:52:05,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:52:05,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:52:05,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:52:05,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (1/1) ... [2024-11-20 13:52:05,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:05,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:05,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 13:52:05,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 13:52:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:52:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:52:05,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:52:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:52:05,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:52:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:52:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:52:05,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:52:05,295 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:52:05,374 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:52:05,376 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:52:05,612 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:52:05,613 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:52:05,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:52:05,627 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 13:52:05,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:05 BoogieIcfgContainer [2024-11-20 13:52:05,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:52:05,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:52:05,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:52:05,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:52:05,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:52:04" (1/3) ... [2024-11-20 13:52:05,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62962801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:52:05, skipping insertion in model container [2024-11-20 13:52:05,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:05" (2/3) ... [2024-11-20 13:52:05,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62962801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:52:05, skipping insertion in model container [2024-11-20 13:52:05,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:05" (3/3) ... [2024-11-20 13:52:05,640 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2024-11-20 13:52:05,659 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:52:05,659 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-20 13:52:05,659 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:52:05,758 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:52:05,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 304 flow [2024-11-20 13:52:05,914 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2024-11-20 13:52:05,914 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:52:05,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 143 events. 7/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 163 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-11-20 13:52:05,926 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 304 flow [2024-11-20 13:52:05,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 126 transitions, 264 flow [2024-11-20 13:52:05,948 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:52:05,961 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;@3871f6b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:52:05,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-20 13:52:05,967 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:52:05,969 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-20 13:52:05,969 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:52:05,969 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:05,970 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:05,971 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:05,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:05,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1851296965, now seen corresponding path program 1 times [2024-11-20 13:52:05,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:05,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422299156] [2024-11-20 13:52:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:05,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:06,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:06,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422299156] [2024-11-20 13:52:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422299156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:06,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:06,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:06,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717147187] [2024-11-20 13:52:06,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:06,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:06,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:06,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:06,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:06,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 145 [2024-11-20 13:52:06,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 126 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:06,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 145 [2024-11-20 13:52:06,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:06,375 INFO L124 PetriNetUnfolderBase]: 8/149 cut-off events. [2024-11-20 13:52:06,378 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-20 13:52:06,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 149 events. 8/149 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 310 event pairs, 4 based on Foata normal form. 7/129 useless extension candidates. Maximal degree in co-relation 105. Up to 24 conditions per place. [2024-11-20 13:52:06,383 INFO L140 encePairwiseOnDemand]: 139/145 looper letters, 14 selfloop transitions, 2 changer transitions 1/122 dead transitions. [2024-11-20 13:52:06,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 288 flow [2024-11-20 13:52:06,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2024-11-20 13:52:06,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8873563218390804 [2024-11-20 13:52:06,403 INFO L175 Difference]: Start difference. First operand has 127 places, 126 transitions, 264 flow. Second operand 3 states and 386 transitions. [2024-11-20 13:52:06,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 288 flow [2024-11-20 13:52:06,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 122 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:52:06,414 INFO L231 Difference]: Finished difference. Result has 124 places, 121 transitions, 250 flow [2024-11-20 13:52:06,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=124, PETRI_TRANSITIONS=121} [2024-11-20 13:52:06,420 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2024-11-20 13:52:06,421 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 121 transitions, 250 flow [2024-11-20 13:52:06,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:06,422 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:06,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:52:06,423 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:06,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash 601841289, now seen corresponding path program 1 times [2024-11-20 13:52:06,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:06,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195646523] [2024-11-20 13:52:06,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:06,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:06,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195646523] [2024-11-20 13:52:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195646523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:06,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:06,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178447339] [2024-11-20 13:52:06,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:06,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:06,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:06,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:06,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:06,551 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2024-11-20 13:52:06,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:06,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2024-11-20 13:52:06,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:06,605 INFO L124 PetriNetUnfolderBase]: 8/147 cut-off events. [2024-11-20 13:52:06,605 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-20 13:52:06,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 8/147 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 289 event pairs, 4 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 152. Up to 23 conditions per place. [2024-11-20 13:52:06,607 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-20 13:52:06,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 278 flow [2024-11-20 13:52:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:06,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2024-11-20 13:52:06,612 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2024-11-20 13:52:06,612 INFO L175 Difference]: Start difference. First operand has 124 places, 121 transitions, 250 flow. Second operand 3 states and 385 transitions. [2024-11-20 13:52:06,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 278 flow [2024-11-20 13:52:06,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 120 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:06,616 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 248 flow [2024-11-20 13:52:06,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2024-11-20 13:52:06,618 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2024-11-20 13:52:06,618 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 248 flow [2024-11-20 13:52:06,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,619 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:06,619 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] [2024-11-20 13:52:06,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:52:06,620 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:06,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:06,621 INFO L85 PathProgramCache]: Analyzing trace with hash 615857603, now seen corresponding path program 1 times [2024-11-20 13:52:06,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:06,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885939648] [2024-11-20 13:52:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:06,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:06,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:06,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885939648] [2024-11-20 13:52:06,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885939648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:06,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:06,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:06,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131404003] [2024-11-20 13:52:06,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:06,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:06,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:06,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:06,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:06,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 145 [2024-11-20 13:52:06,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:06,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 145 [2024-11-20 13:52:06,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:06,767 INFO L124 PetriNetUnfolderBase]: 8/169 cut-off events. [2024-11-20 13:52:06,770 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:52:06,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 169 events. 8/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 373 event pairs, 3 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 163. Up to 18 conditions per place. [2024-11-20 13:52:06,775 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-20 13:52:06,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 119 transitions, 268 flow [2024-11-20 13:52:06,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-20 13:52:06,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2024-11-20 13:52:06,780 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 248 flow. Second operand 3 states and 393 transitions. [2024-11-20 13:52:06,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 119 transitions, 268 flow [2024-11-20 13:52:06,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:06,784 INFO L231 Difference]: Finished difference. Result has 121 places, 119 transitions, 246 flow [2024-11-20 13:52:06,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=121, PETRI_TRANSITIONS=119} [2024-11-20 13:52:06,787 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -6 predicate places. [2024-11-20 13:52:06,787 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 119 transitions, 246 flow [2024-11-20 13:52:06,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:06,789 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] [2024-11-20 13:52:06,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:52:06,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:06,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:06,790 INFO L85 PathProgramCache]: Analyzing trace with hash 689534161, now seen corresponding path program 1 times [2024-11-20 13:52:06,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:06,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085675650] [2024-11-20 13:52:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:06,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085675650] [2024-11-20 13:52:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085675650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:06,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:06,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811441594] [2024-11-20 13:52:06,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:06,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:06,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:06,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:06,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:06,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2024-11-20 13:52:06,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 119 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:06,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2024-11-20 13:52:06,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:06,970 INFO L124 PetriNetUnfolderBase]: 11/141 cut-off events. [2024-11-20 13:52:06,970 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:52:06,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 141 events. 11/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 313 event pairs, 6 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 149. Up to 30 conditions per place. [2024-11-20 13:52:06,971 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 17 selfloop transitions, 3 changer transitions 0/115 dead transitions. [2024-11-20 13:52:06,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 279 flow [2024-11-20 13:52:06,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2024-11-20 13:52:06,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2024-11-20 13:52:06,974 INFO L175 Difference]: Start difference. First operand has 121 places, 119 transitions, 246 flow. Second operand 3 states and 374 transitions. [2024-11-20 13:52:06,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 279 flow [2024-11-20 13:52:06,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 115 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:06,980 INFO L231 Difference]: Finished difference. Result has 116 places, 114 transitions, 243 flow [2024-11-20 13:52:06,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=116, PETRI_TRANSITIONS=114} [2024-11-20 13:52:06,982 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2024-11-20 13:52:06,982 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 114 transitions, 243 flow [2024-11-20 13:52:06,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:06,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:06,983 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] [2024-11-20 13:52:06,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:52:06,984 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:06,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1217372626, now seen corresponding path program 1 times [2024-11-20 13:52:06,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:06,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199123294] [2024-11-20 13:52:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:06,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:07,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:07,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199123294] [2024-11-20 13:52:07,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199123294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:07,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:07,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:07,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372560364] [2024-11-20 13:52:07,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:07,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:07,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:07,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:07,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:07,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 145 [2024-11-20 13:52:07,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 114 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:07,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 145 [2024-11-20 13:52:07,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:07,114 INFO L124 PetriNetUnfolderBase]: 11/137 cut-off events. [2024-11-20 13:52:07,115 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-20 13:52:07,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 137 events. 11/137 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 278 event pairs, 6 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 130. Up to 27 conditions per place. [2024-11-20 13:52:07,116 INFO L140 encePairwiseOnDemand]: 137/145 looper letters, 12 selfloop transitions, 3 changer transitions 4/111 dead transitions. [2024-11-20 13:52:07,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 272 flow [2024-11-20 13:52:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-11-20 13:52:07,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.871264367816092 [2024-11-20 13:52:07,120 INFO L175 Difference]: Start difference. First operand has 116 places, 114 transitions, 243 flow. Second operand 3 states and 379 transitions. [2024-11-20 13:52:07,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 272 flow [2024-11-20 13:52:07,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 111 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:07,125 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 234 flow [2024-11-20 13:52:07,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=113, PETRI_TRANSITIONS=106} [2024-11-20 13:52:07,127 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -14 predicate places. [2024-11-20 13:52:07,127 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 234 flow [2024-11-20 13:52:07,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:07,127 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] [2024-11-20 13:52:07,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:52:07,128 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:07,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:07,128 INFO L85 PathProgramCache]: Analyzing trace with hash -872359840, now seen corresponding path program 1 times [2024-11-20 13:52:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:07,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681967212] [2024-11-20 13:52:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:07,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:07,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681967212] [2024-11-20 13:52:07,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681967212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:07,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:07,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:07,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585915220] [2024-11-20 13:52:07,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:07,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:07,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:07,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:07,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 145 [2024-11-20 13:52:07,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:07,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 145 [2024-11-20 13:52:07,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:07,271 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2024-11-20 13:52:07,272 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-20 13:52:07,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 210 events. 17/210 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 614 event pairs, 4 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 184. Up to 29 conditions per place. [2024-11-20 13:52:07,274 INFO L140 encePairwiseOnDemand]: 141/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2024-11-20 13:52:07,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 259 flow [2024-11-20 13:52:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2024-11-20 13:52:07,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2024-11-20 13:52:07,276 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 234 flow. Second operand 3 states and 400 transitions. [2024-11-20 13:52:07,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 259 flow [2024-11-20 13:52:07,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 107 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:07,280 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 241 flow [2024-11-20 13:52:07,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2024-11-20 13:52:07,282 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2024-11-20 13:52:07,282 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 241 flow [2024-11-20 13:52:07,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,282 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:07,282 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] [2024-11-20 13:52:07,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:52:07,283 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:07,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:07,285 INFO L85 PathProgramCache]: Analyzing trace with hash -936575761, now seen corresponding path program 1 times [2024-11-20 13:52:07,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:07,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965590970] [2024-11-20 13:52:07,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:07,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:07,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:07,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965590970] [2024-11-20 13:52:07,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965590970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:07,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:07,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:07,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660659319] [2024-11-20 13:52:07,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:07,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:07,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:07,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:07,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 145 [2024-11-20 13:52:07,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:07,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 145 [2024-11-20 13:52:07,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:07,450 INFO L124 PetriNetUnfolderBase]: 15/156 cut-off events. [2024-11-20 13:52:07,450 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:52:07,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 156 events. 15/156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 365 event pairs, 6 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 127. Up to 25 conditions per place. [2024-11-20 13:52:07,452 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 13 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-20 13:52:07,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 106 transitions, 272 flow [2024-11-20 13:52:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-11-20 13:52:07,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8896551724137931 [2024-11-20 13:52:07,454 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 241 flow. Second operand 3 states and 387 transitions. [2024-11-20 13:52:07,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 106 transitions, 272 flow [2024-11-20 13:52:07,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 106 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:07,456 INFO L231 Difference]: Finished difference. Result has 110 places, 105 transitions, 243 flow [2024-11-20 13:52:07,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=110, PETRI_TRANSITIONS=105} [2024-11-20 13:52:07,458 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -17 predicate places. [2024-11-20 13:52:07,459 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 105 transitions, 243 flow [2024-11-20 13:52:07,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:07,459 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] [2024-11-20 13:52:07,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:52:07,460 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-20 13:52:07,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:07,460 INFO L85 PathProgramCache]: Analyzing trace with hash -277060218, now seen corresponding path program 1 times [2024-11-20 13:52:07,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:07,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118834027] [2024-11-20 13:52:07,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:07,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:07,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:07,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118834027] [2024-11-20 13:52:07,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118834027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:07,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:07,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:07,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912578741] [2024-11-20 13:52:07,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:07,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:07,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:07,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:07,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2024-11-20 13:52:07,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:07,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2024-11-20 13:52:07,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:07,688 INFO L124 PetriNetUnfolderBase]: 15/152 cut-off events. [2024-11-20 13:52:07,693 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-20 13:52:07,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 152 events. 15/152 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 316 event pairs, 5 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 203. Up to 29 conditions per place. [2024-11-20 13:52:07,694 INFO L140 encePairwiseOnDemand]: 142/145 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2024-11-20 13:52:07,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 272 flow [2024-11-20 13:52:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2024-11-20 13:52:07,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942528735632184 [2024-11-20 13:52:07,696 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 243 flow. Second operand 3 states and 389 transitions. [2024-11-20 13:52:07,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 272 flow [2024-11-20 13:52:07,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:07,702 INFO L231 Difference]: Finished difference. Result has 109 places, 0 transitions, 0 flow [2024-11-20 13:52:07,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=109, PETRI_TRANSITIONS=0} [2024-11-20 13:52:07,708 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -18 predicate places. [2024-11-20 13:52:07,708 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 0 transitions, 0 flow [2024-11-20 13:52:07,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:07,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-20 13:52:07,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-20 13:52:07,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-20 13:52:07,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-20 13:52:07,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-20 13:52:07,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-20 13:52:07,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-20 13:52:07,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-20 13:52:07,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-20 13:52:07,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2024-11-20 13:52:07,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-20 13:52:07,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-20 13:52:07,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-20 13:52:07,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-20 13:52:07,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-20 13:52:07,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-20 13:52:07,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-20 13:52:07,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-20 13:52:07,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:52:07,723 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:07,728 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:52:07,729 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:52:07,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:52:07 BasicIcfg [2024-11-20 13:52:07,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:52:07,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:52:07,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:52:07,734 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:52:07,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:05" (3/4) ... [2024-11-20 13:52:07,737 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:52:07,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:52:07,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:52:07,744 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 13:52:07,744 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:52:07,745 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:52:07,745 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:52:07,846 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:52:07,846 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:52:07,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:52:07,847 INFO L158 Benchmark]: Toolchain (without parser) took 3003.79ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 104.3MB in the beginning and 181.4MB in the end (delta: -77.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:52:07,847 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:52:07,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.48ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 90.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 13:52:07,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.32ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 88.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:52:07,848 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 159.4MB. Free memory was 88.8MB in the beginning and 87.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:52:07,848 INFO L158 Benchmark]: RCFGBuilder took 425.68ms. Allocated memory is still 159.4MB. Free memory was 87.6MB in the beginning and 72.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 13:52:07,848 INFO L158 Benchmark]: TraceAbstraction took 2102.89ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 72.0MB in the beginning and 186.7MB in the end (delta: -114.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2024-11-20 13:52:07,848 INFO L158 Benchmark]: Witness Printer took 112.43ms. Allocated memory is still 228.6MB. Free memory was 186.7MB in the beginning and 181.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:52:07,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.48ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 90.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.32ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 88.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 159.4MB. Free memory was 88.8MB in the beginning and 87.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.68ms. Allocated memory is still 159.4MB. Free memory was 87.6MB in the beginning and 72.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2102.89ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 72.0MB in the beginning and 186.7MB in the end (delta: -114.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * Witness Printer took 112.43ms. Allocated memory is still 228.6MB. Free memory was 186.7MB in the beginning and 181.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 187 locations, 30 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: 1.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 95 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.4s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:52:07,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE