./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:32:03,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:32:03,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:32:03,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:32:03,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:32:03,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:32:03,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:32:03,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:32:03,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:32:03,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:32:03,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:32:03,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:32:03,697 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:32:03,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:32:03,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:32:03,700 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:32:03,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:32:03,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:32:03,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:32:03,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:32:03,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:32:03,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:32:03,702 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:32:03,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:32:03,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:32:03,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:32:03,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:32:03,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:32:03,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:32:03,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:32:03,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:32:03,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:03,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:32:03,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:32:03,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:32:03,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:32:03,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:32:03,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:32:03,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:32:03,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:32:03,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:32:03,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2024-11-10 14:32:03,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:32:03,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:32:03,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:32:03,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:32:03,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:32:03,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-10 14:32:05,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:32:05,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:32:05,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-10 14:32:05,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1492bb94/00848053a8fd4375b83cbfdb7e89826a/FLAGec386885e [2024-11-10 14:32:05,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1492bb94/00848053a8fd4375b83cbfdb7e89826a [2024-11-10 14:32:05,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:32:05,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:32:05,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:05,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:32:05,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:32:05,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:05" (1/1) ... [2024-11-10 14:32:05,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56eceabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:05, skipping insertion in model container [2024-11-10 14:32:05,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:32:05" (1/1) ... [2024-11-10 14:32:05,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:32:06,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:06,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:32:06,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:32:06,370 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:32:06,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06 WrapperNode [2024-11-10 14:32:06,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:32:06,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:06,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:32:06,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:32:06,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,413 INFO L138 Inliner]: procedures = 162, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-10 14:32:06,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:32:06,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:32:06,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:32:06,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:32:06,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,433 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:32:06,447 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:32:06,448 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:32:06,450 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:32:06,451 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (1/1) ... [2024-11-10 14:32:06,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:32:06,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:32:06,478 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) [2024-11-10 14:32:06,500 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 [2024-11-10 14:32:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:32:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:32:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:32:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:32:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:32:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:32:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:32:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:32:06,568 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:32:06,679 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:32:06,681 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:32:06,860 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:32:06,861 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:32:06,903 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:32:06,904 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:32:06,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:06 BoogieIcfgContainer [2024-11-10 14:32:06,904 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:32:06,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:32:06,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:32:06,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:32:06,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:32:05" (1/3) ... [2024-11-10 14:32:06,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65435cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:06, skipping insertion in model container [2024-11-10 14:32:06,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:32:06" (2/3) ... [2024-11-10 14:32:06,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65435cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:32:06, skipping insertion in model container [2024-11-10 14:32:06,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:06" (3/3) ... [2024-11-10 14:32:06,912 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-10 14:32:06,927 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:32:06,927 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-10 14:32:06,927 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:32:06,983 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:32:07,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 101 transitions, 209 flow [2024-11-10 14:32:07,067 INFO L124 PetriNetUnfolderBase]: 2/100 cut-off events. [2024-11-10 14:32:07,067 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:07,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 100 events. 2/100 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-11-10 14:32:07,076 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 101 transitions, 209 flow [2024-11-10 14:32:07,080 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2024-11-10 14:32:07,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:32:07,094 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;@358adb65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:32:07,094 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 14:32:07,104 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:32:07,104 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-10 14:32:07,105 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:32:07,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:07,105 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] [2024-11-10 14:32:07,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:32:07,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:07,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2067999144, now seen corresponding path program 1 times [2024-11-10 14:32:07,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:07,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436769823] [2024-11-10 14:32:07,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:07,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:07,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:07,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436769823] [2024-11-10 14:32:07,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436769823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:07,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:07,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:07,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439127292] [2024-11-10 14:32:07,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:07,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:07,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:07,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:07,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:07,409 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 101 [2024-11-10 14:32:07,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2024-11-10 14:32:07,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:07,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 101 [2024-11-10 14:32:07,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:07,618 INFO L124 PetriNetUnfolderBase]: 115/600 cut-off events. [2024-11-10 14:32:07,618 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:32:07,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 600 events. 115/600 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3344 event pairs, 46 based on Foata normal form. 34/590 useless extension candidates. Maximal degree in co-relation 835. Up to 140 conditions per place. [2024-11-10 14:32:07,629 INFO L140 encePairwiseOnDemand]: 90/101 looper letters, 30 selfloop transitions, 6 changer transitions 2/105 dead transitions. [2024-11-10 14:32:07,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 105 transitions, 289 flow [2024-11-10 14:32:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2024-11-10 14:32:07,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8712871287128713 [2024-11-10 14:32:07,647 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 193 flow. Second operand 3 states and 264 transitions. [2024-11-10 14:32:07,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 105 transitions, 289 flow [2024-11-10 14:32:07,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 105 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:32:07,657 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 222 flow [2024-11-10 14:32:07,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-11-10 14:32:07,665 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2024-11-10 14:32:07,665 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 222 flow [2024-11-10 14:32:07,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2024-11-10 14:32:07,666 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:07,666 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:32:07,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:32:07,667 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:32:07,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:07,668 INFO L85 PathProgramCache]: Analyzing trace with hash 954635197, now seen corresponding path program 1 times [2024-11-10 14:32:07,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:07,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357214244] [2024-11-10 14:32:07,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:07,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:07,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:07,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357214244] [2024-11-10 14:32:07,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357214244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:07,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:07,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:07,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41820750] [2024-11-10 14:32:07,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:07,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:07,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:07,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:07,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:07,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2024-11-10 14:32:07,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:07,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:07,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2024-11-10 14:32:07,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:07,978 INFO L124 PetriNetUnfolderBase]: 120/614 cut-off events. [2024-11-10 14:32:07,979 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-10 14:32:07,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 614 events. 120/614 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3488 event pairs, 84 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 975. Up to 233 conditions per place. [2024-11-10 14:32:07,985 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 30 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-11-10 14:32:07,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 312 flow [2024-11-10 14:32:07,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2024-11-10 14:32:07,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8481848184818482 [2024-11-10 14:32:07,991 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 222 flow. Second operand 3 states and 257 transitions. [2024-11-10 14:32:07,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 312 flow [2024-11-10 14:32:07,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:32:07,996 INFO L231 Difference]: Finished difference. Result has 98 places, 96 transitions, 242 flow [2024-11-10 14:32:07,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=98, PETRI_TRANSITIONS=96} [2024-11-10 14:32:07,997 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, 1 predicate places. [2024-11-10 14:32:07,997 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 242 flow [2024-11-10 14:32:07,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:32:07,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:07,998 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] [2024-11-10 14:32:07,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:32:07,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:32:08,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:08,000 INFO L85 PathProgramCache]: Analyzing trace with hash -273758797, now seen corresponding path program 1 times [2024-11-10 14:32:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:08,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954577998] [2024-11-10 14:32:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:08,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:08,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954577998] [2024-11-10 14:32:08,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954577998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:08,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:08,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:32:08,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577418949] [2024-11-10 14:32:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:08,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:32:08,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:08,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:32:08,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:32:08,416 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2024-11-10 14:32:08,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 96 transitions, 242 flow. Second operand has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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) [2024-11-10 14:32:08,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:08,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2024-11-10 14:32:08,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:08,493 INFO L124 PetriNetUnfolderBase]: 12/177 cut-off events. [2024-11-10 14:32:08,494 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:32:08,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 177 events. 12/177 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 8 based on Foata normal form. 8/177 useless extension candidates. Maximal degree in co-relation 219. Up to 36 conditions per place. [2024-11-10 14:32:08,497 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 10 selfloop transitions, 5 changer transitions 12/90 dead transitions. [2024-11-10 14:32:08,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 90 transitions, 242 flow [2024-11-10 14:32:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:32:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:32:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 429 transitions. [2024-11-10 14:32:08,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8495049504950495 [2024-11-10 14:32:08,499 INFO L175 Difference]: Start difference. First operand has 98 places, 96 transitions, 242 flow. Second operand 5 states and 429 transitions. [2024-11-10 14:32:08,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 90 transitions, 242 flow [2024-11-10 14:32:08,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 90 transitions, 228 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-10 14:32:08,504 INFO L231 Difference]: Finished difference. Result has 96 places, 76 transitions, 176 flow [2024-11-10 14:32:08,504 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=96, PETRI_TRANSITIONS=76} [2024-11-10 14:32:08,504 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2024-11-10 14:32:08,505 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 76 transitions, 176 flow [2024-11-10 14:32:08,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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) [2024-11-10 14:32:08,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:32:08,505 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] [2024-11-10 14:32:08,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:32:08,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:32:08,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:32:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash -392700397, now seen corresponding path program 1 times [2024-11-10 14:32:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:32:08,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062423196] [2024-11-10 14:32:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:32:08,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:32:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:32:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:32:08,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:32:08,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062423196] [2024-11-10 14:32:08,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062423196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:32:08,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:32:08,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:32:08,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103176293] [2024-11-10 14:32:08,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:32:08,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:32:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:32:08,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:32:08,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:32:08,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2024-11-10 14:32:08,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 76 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2024-11-10 14:32:08,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:32:08,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2024-11-10 14:32:08,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:32:08,626 INFO L124 PetriNetUnfolderBase]: 18/161 cut-off events. [2024-11-10 14:32:08,627 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:32:08,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 161 events. 18/161 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 16 based on Foata normal form. 4/164 useless extension candidates. Maximal degree in co-relation 217. Up to 57 conditions per place. [2024-11-10 14:32:08,627 INFO L140 encePairwiseOnDemand]: 99/101 looper letters, 0 selfloop transitions, 0 changer transitions 77/77 dead transitions. [2024-11-10 14:32:08,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 77 transitions, 218 flow [2024-11-10 14:32:08,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:32:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:32:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2024-11-10 14:32:08,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085808580858086 [2024-11-10 14:32:08,629 INFO L175 Difference]: Start difference. First operand has 96 places, 76 transitions, 176 flow. Second operand 3 states and 245 transitions. [2024-11-10 14:32:08,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 77 transitions, 218 flow [2024-11-10 14:32:08,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:32:08,631 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2024-11-10 14:32:08,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2024-11-10 14:32:08,632 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -15 predicate places. [2024-11-10 14:32:08,632 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2024-11-10 14:32:08,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2024-11-10 14:32:08,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-10 14:32:08,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-11-10 14:32:08,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-10 14:32:08,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-10 14:32:08,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-10 14:32:08,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-10 14:32:08,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-10 14:32:08,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-10 14:32:08,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-10 14:32:08,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-10 14:32:08,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:32:08,638 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:32:08,643 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:32:08,643 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:32:08,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:32:08 BasicIcfg [2024-11-10 14:32:08,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:32:08,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:32:08,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:32:08,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:32:08,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:32:06" (3/4) ... [2024-11-10 14:32:08,651 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:32:08,654 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-10 14:32:08,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 14:32:08,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:32:08,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:32:08,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:32:08,743 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:32:08,744 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:32:08,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:32:08,745 INFO L158 Benchmark]: Toolchain (without parser) took 2843.36ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 96.4MB in the beginning and 161.5MB in the end (delta: -65.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:32:08,746 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 115.0MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:32:08,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.98ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 74.4MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 14:32:08,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 155.2MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:08,746 INFO L158 Benchmark]: Boogie Preprocessor took 32.18ms. Allocated memory is still 155.2MB. Free memory was 72.2MB in the beginning and 70.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:32:08,747 INFO L158 Benchmark]: IcfgBuilder took 457.22ms. Allocated memory is still 155.2MB. Free memory was 70.9MB in the beginning and 110.0MB in the end (delta: -39.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-10 14:32:08,747 INFO L158 Benchmark]: TraceAbstraction took 1741.79ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 108.7MB in the beginning and 165.7MB in the end (delta: -57.0MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2024-11-10 14:32:08,747 INFO L158 Benchmark]: Witness Printer took 95.11ms. Allocated memory is still 203.4MB. Free memory was 165.7MB in the beginning and 161.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:32:08,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 115.0MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.98ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 74.4MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 155.2MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.18ms. Allocated memory is still 155.2MB. Free memory was 72.2MB in the beginning and 70.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 457.22ms. Allocated memory is still 155.2MB. Free memory was 70.9MB in the beginning and 110.0MB in the end (delta: -39.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1741.79ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 108.7MB in the beginning and 165.7MB in the end (delta: -57.0MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 95.11ms. Allocated memory is still 203.4MB. Free memory was 165.7MB in the beginning and 161.5MB 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: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 139 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 20 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 0.5s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:32:08,783 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