./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/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.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 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:59:54,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:59:54,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:59:54,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:59:54,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:59:54,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:59:54,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:59:54,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:59:54,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:59:54,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:59:54,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:59:54,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:59:54,864 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:59:54,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:59:54,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:59:54,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:59:54,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:59:54,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:59:54,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:59:54,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:59:54,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:59:54,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:59:54,867 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:59:54,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:59:54,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:59:54,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:59:54,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:59:54,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:59:54,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:59:54,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:59:54,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:59:54,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:59:54,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:59:54,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:59:54,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:59:54,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:59:54,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:59:54,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:59:54,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:59:54,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:59:54,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:59:54,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 [2024-10-13 09:59:55,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:59:55,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:59:55,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:59:55,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:59:55,119 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:59:55,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-10-13 09:59:56,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:59:56,871 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:59:56,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-10-13 09:59:56,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc56e4ed/a0137ef43e024e02ad5e142f729d6c82/FLAG89470212f [2024-10-13 09:59:56,896 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc56e4ed/a0137ef43e024e02ad5e142f729d6c82 [2024-10-13 09:59:56,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:59:56,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:59:56,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:59:56,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:59:56,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:59:56,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:59:56" (1/1) ... [2024-10-13 09:59:56,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625db569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:56, skipping insertion in model container [2024-10-13 09:59:56,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:59:56" (1/1) ... [2024-10-13 09:59:56,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:59:57,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:59:57,086 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:59:57,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:59:57,118 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:59:57,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57 WrapperNode [2024-10-13 09:59:57,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:59:57,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:59:57,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:59:57,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:59:57,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,170 INFO L138 Inliner]: procedures = 22, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 126 [2024-10-13 09:59:57,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:59:57,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:59:57,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:59:57,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:59:57,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:59:57,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:59:57,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:59:57,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:59:57,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (1/1) ... [2024-10-13 09:59:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:59:57,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:59:57,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:59:57,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:59:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:59:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:59:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:59:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:59:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:59:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 09:59:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 09:59:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-13 09:59:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-13 09:59:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:59:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:59:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:59:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:59:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:59:57,289 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:59:57,376 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:59:57,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:59:57,613 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:59:57,613 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:59:57,689 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:59:57,689 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 09:59:57,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:57 BoogieIcfgContainer [2024-10-13 09:59:57,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:59:57,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:59:57,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:59:57,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:59:57,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:59:56" (1/3) ... [2024-10-13 09:59:57,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4f3420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:59:57, skipping insertion in model container [2024-10-13 09:59:57,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:57" (2/3) ... [2024-10-13 09:59:57,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4f3420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:59:57, skipping insertion in model container [2024-10-13 09:59:57,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:57" (3/3) ... [2024-10-13 09:59:57,697 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-10-13 09:59:57,710 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:59:57,711 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-13 09:59:57,711 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:59:57,788 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-13 09:59:57,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 148 transitions, 324 flow [2024-10-13 09:59:57,882 INFO L124 PetriNetUnfolderBase]: 9/144 cut-off events. [2024-10-13 09:59:57,883 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:59:57,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 144 events. 9/144 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 203 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-10-13 09:59:57,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 148 transitions, 324 flow [2024-10-13 09:59:57,897 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 127 transitions, 278 flow [2024-10-13 09:59:57,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:59:57,923 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;@7a55af23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:59:57,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-10-13 09:59:57,929 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:59:57,929 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-13 09:59:57,929 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:59:57,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:57,930 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] [2024-10-13 09:59:57,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-13 09:59:57,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash -753333478, now seen corresponding path program 1 times [2024-10-13 09:59:57,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:57,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726880044] [2024-10-13 09:59:57,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:57,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:58,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:58,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726880044] [2024-10-13 09:59:58,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726880044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:58,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:58,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:58,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78827887] [2024-10-13 09:59:58,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:58,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:58,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:58,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:58,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:58,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 148 [2024-10-13 09:59:58,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 127 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:58,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:58,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 148 [2024-10-13 09:59:58,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:58,528 INFO L124 PetriNetUnfolderBase]: 399/1341 cut-off events. [2024-10-13 09:59:58,528 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-10-13 09:59:58,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2027 conditions, 1341 events. 399/1341 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9477 event pairs, 272 based on Foata normal form. 0/1161 useless extension candidates. Maximal degree in co-relation 1847. Up to 559 conditions per place. [2024-10-13 09:59:58,553 INFO L140 encePairwiseOnDemand]: 131/148 looper letters, 19 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-10-13 09:59:58,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 112 transitions, 290 flow [2024-10-13 09:59:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-13 09:59:58,568 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2024-10-13 09:59:58,570 INFO L175 Difference]: Start difference. First operand has 132 places, 127 transitions, 278 flow. Second operand 3 states and 363 transitions. [2024-10-13 09:59:58,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 112 transitions, 290 flow [2024-10-13 09:59:58,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 274 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-13 09:59:58,580 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 236 flow [2024-10-13 09:59:58,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2024-10-13 09:59:58,584 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -17 predicate places. [2024-10-13 09:59:58,585 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 236 flow [2024-10-13 09:59:58,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:58,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:58,586 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] [2024-10-13 09:59:58,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:59:58,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-13 09:59:58,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:58,587 INFO L85 PathProgramCache]: Analyzing trace with hash -137332290, now seen corresponding path program 1 times [2024-10-13 09:59:58,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:58,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862030577] [2024-10-13 09:59:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:58,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:58,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:58,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862030577] [2024-10-13 09:59:58,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862030577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:58,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:58,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:58,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345604425] [2024-10-13 09:59:58,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:58,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:58,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:58,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:58,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:58,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 148 [2024-10-13 09:59:58,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:58,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:58,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 148 [2024-10-13 09:59:58,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:59,121 INFO L124 PetriNetUnfolderBase]: 1225/3109 cut-off events. [2024-10-13 09:59:59,122 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-10-13 09:59:59,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4844 conditions, 3109 events. 1225/3109 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24873 event pairs, 747 based on Foata normal form. 0/2846 useless extension candidates. Maximal degree in co-relation 4815. Up to 1640 conditions per place. [2024-10-13 09:59:59,145 INFO L140 encePairwiseOnDemand]: 140/148 looper letters, 24 selfloop transitions, 4 changer transitions 0/115 dead transitions. [2024-10-13 09:59:59,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 115 transitions, 301 flow [2024-10-13 09:59:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2024-10-13 09:59:59,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.795045045045045 [2024-10-13 09:59:59,151 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 236 flow. Second operand 3 states and 353 transitions. [2024-10-13 09:59:59,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 115 transitions, 301 flow [2024-10-13 09:59:59,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:59,155 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 252 flow [2024-10-13 09:59:59,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=112, PETRI_TRANSITIONS=112} [2024-10-13 09:59:59,156 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -20 predicate places. [2024-10-13 09:59:59,156 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 252 flow [2024-10-13 09:59:59,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:59,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:59,157 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:59:59,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:59:59,158 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-13 09:59:59,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 177181730, now seen corresponding path program 1 times [2024-10-13 09:59:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:59,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735249275] [2024-10-13 09:59:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:59,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:59,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735249275] [2024-10-13 09:59:59,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735249275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:59,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:59,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:59,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943422483] [2024-10-13 09:59:59,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:59,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:59,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:59,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:59,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:59,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-13 09:59:59,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 112 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:59,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:59,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-13 09:59:59,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:59,380 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([495] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][72], [Black: 158#true, 112#L90-4true, 25#L51-2true, 101#L62-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true]) [2024-10-13 09:59:59,381 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2024-10-13 09:59:59,381 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-13 09:59:59,381 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2024-10-13 09:59:59,381 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-13 09:59:59,398 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 12#L91-4true, 89#$Ultimate##0true]) [2024-10-13 09:59:59,398 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-13 09:59:59,399 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,399 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-13 09:59:59,399 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,400 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 12#L91-4true, 135#$Ultimate##0true]) [2024-10-13 09:59:59,400 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-13 09:59:59,400 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,400 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-13 09:59:59,400 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,401 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 12#L91-4true, 7#$Ultimate##0true]) [2024-10-13 09:59:59,401 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-13 09:59:59,401 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-13 09:59:59,402 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,402 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,409 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 12#L91-4true]) [2024-10-13 09:59:59,410 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2024-10-13 09:59:59,410 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-13 09:59:59,410 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-13 09:59:59,410 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-10-13 09:59:59,514 INFO L124 PetriNetUnfolderBase]: 300/1028 cut-off events. [2024-10-13 09:59:59,517 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-10-13 09:59:59,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1028 events. 300/1028 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6695 event pairs, 112 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 1121. Up to 245 conditions per place. [2024-10-13 09:59:59,534 INFO L140 encePairwiseOnDemand]: 146/148 looper letters, 13 selfloop transitions, 1 changer transitions 0/111 dead transitions. [2024-10-13 09:59:59,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 278 flow [2024-10-13 09:59:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2024-10-13 09:59:59,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8243243243243243 [2024-10-13 09:59:59,535 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 252 flow. Second operand 3 states and 366 transitions. [2024-10-13 09:59:59,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 278 flow [2024-10-13 09:59:59,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 111 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:59:59,538 INFO L231 Difference]: Finished difference. Result has 113 places, 111 transitions, 252 flow [2024-10-13 09:59:59,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=113, PETRI_TRANSITIONS=111} [2024-10-13 09:59:59,542 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -19 predicate places. [2024-10-13 09:59:59,542 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 111 transitions, 252 flow [2024-10-13 09:59:59,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:59,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:59,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:59:59,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:59:59,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-13 09:59:59,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:59,544 INFO L85 PathProgramCache]: Analyzing trace with hash 670593026, now seen corresponding path program 1 times [2024-10-13 09:59:59,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:59,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709678216] [2024-10-13 09:59:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:59,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709678216] [2024-10-13 09:59:59,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709678216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:59,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:59,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:59,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42109798] [2024-10-13 09:59:59,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:59,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:59,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:59,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:59,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-13 09:59:59,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 111 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:59,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:59,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-13 09:59:59,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:59,721 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([495] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][72], [Black: 158#true, 112#L90-4true, 25#L51-2true, 101#L62-2true, 162#true, 160#(= |#race~N~0| 0), 165#true, 41#L41-2true]) [2024-10-13 09:59:59,722 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2024-10-13 09:59:59,722 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-13 09:59:59,722 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2024-10-13 09:59:59,722 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-13 09:59:59,739 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 165#true, 12#L91-4true, 89#$Ultimate##0true]) [2024-10-13 09:59:59,739 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-13 09:59:59,739 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,739 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-13 09:59:59,739 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,741 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 165#true, 12#L91-4true, 135#$Ultimate##0true]) [2024-10-13 09:59:59,741 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-13 09:59:59,741 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,741 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-13 09:59:59,741 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,742 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 165#true, 12#L91-4true, 7#$Ultimate##0true]) [2024-10-13 09:59:59,742 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-13 09:59:59,742 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-13 09:59:59,742 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,742 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-13 09:59:59,750 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 165#true, 12#L91-4true]) [2024-10-13 09:59:59,750 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2024-10-13 09:59:59,750 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-13 09:59:59,750 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-13 09:59:59,750 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-10-13 09:59:59,768 INFO L124 PetriNetUnfolderBase]: 300/1027 cut-off events. [2024-10-13 09:59:59,768 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-10-13 09:59:59,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1027 events. 300/1027 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6735 event pairs, 112 based on Foata normal form. 1/903 useless extension candidates. Maximal degree in co-relation 1500. Up to 245 conditions per place. [2024-10-13 09:59:59,776 INFO L140 encePairwiseOnDemand]: 146/148 looper letters, 0 selfloop transitions, 0 changer transitions 110/110 dead transitions. [2024-10-13 09:59:59,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 110 transitions, 276 flow [2024-10-13 09:59:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-10-13 09:59:59,777 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8220720720720721 [2024-10-13 09:59:59,777 INFO L175 Difference]: Start difference. First operand has 113 places, 111 transitions, 252 flow. Second operand 3 states and 365 transitions. [2024-10-13 09:59:59,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 110 transitions, 276 flow [2024-10-13 09:59:59,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:59:59,780 INFO L231 Difference]: Finished difference. Result has 113 places, 0 transitions, 0 flow [2024-10-13 09:59:59,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=113, PETRI_TRANSITIONS=0} [2024-10-13 09:59:59,781 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -19 predicate places. [2024-10-13 09:59:59,781 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 0 transitions, 0 flow [2024-10-13 09:59:59,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:59:59,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-10-13 09:59:59,785 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-10-13 09:59:59,785 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-10-13 09:59:59,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 35 remaining) [2024-10-13 09:59:59,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-10-13 09:59:59,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-10-13 09:59:59,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-10-13 09:59:59,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-10-13 09:59:59,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-10-13 09:59:59,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-10-13 09:59:59,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:59:59,798 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 09:59:59,806 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:59:59,807 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:59:59,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:59:59 BasicIcfg [2024-10-13 09:59:59,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:59:59,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:59:59,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:59:59,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:59:59,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:57" (3/4) ... [2024-10-13 09:59:59,822 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:59:59,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:59:59,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:59:59,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 09:59:59,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-13 09:59:59,832 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-13 09:59:59,832 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:59:59,832 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 09:59:59,833 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:59:59,911 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:59:59,914 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:59:59,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:59:59,915 INFO L158 Benchmark]: Toolchain (without parser) took 3014.38ms. Allocated memory was 119.5MB in the beginning and 201.3MB in the end (delta: 81.8MB). Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 8.2kB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,915 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:59:59,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.55ms. Allocated memory is still 119.5MB. Free memory was 66.0MB in the beginning and 53.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.71ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 52.8MB in the beginning and 137.3MB in the end (delta: -84.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,925 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 165.7MB. Free memory was 137.3MB in the beginning and 137.1MB in the end (delta: 161.4kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,926 INFO L158 Benchmark]: RCFGBuilder took 482.80ms. Allocated memory is still 165.7MB. Free memory was 137.1MB in the beginning and 112.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,926 INFO L158 Benchmark]: TraceAbstraction took 2124.39ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 111.1MB in the beginning and 70.5MB in the end (delta: 40.5MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,926 INFO L158 Benchmark]: Witness Printer took 97.75ms. Allocated memory is still 201.3MB. Free memory was 70.5MB in the beginning and 66.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:59:59,927 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.55ms. Allocated memory is still 119.5MB. Free memory was 66.0MB in the beginning and 53.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.71ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 52.8MB in the beginning and 137.3MB in the end (delta: -84.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 165.7MB. Free memory was 137.3MB in the beginning and 137.1MB in the end (delta: 161.4kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 482.80ms. Allocated memory is still 165.7MB. Free memory was 137.1MB in the beginning and 112.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2124.39ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 111.1MB in the beginning and 70.5MB in the end (delta: 40.5MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Witness Printer took 97.75ms. Allocated memory is still 201.3MB. Free memory was 70.5MB in the beginning and 66.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 9 procedures, 210 locations, 35 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: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 8 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:59:59,959 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