./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.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/05-lval_ls_01-idx_rc.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 881804847426e60812f8175456032b889bbad15c60068b15698c7277211e0c6e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:28:45,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:28:45,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:28:45,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:28:45,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:28:45,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:28:45,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:28:45,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:28:45,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:28:45,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:28:45,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:28:45,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:28:45,390 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:28:45,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:28:45,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:28:45,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:28:45,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:28:45,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:28:45,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:28:45,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:28:45,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:28:45,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:28:45,395 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:28:45,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:28:45,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:28:45,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:28:45,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:28:45,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:28:45,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:28:45,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:28:45,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:28:45,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:28:45,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:28:45,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:28:45,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:28:45,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:28:45,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:28:45,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:28:45,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:28:45,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:28:45,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:28:45,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 881804847426e60812f8175456032b889bbad15c60068b15698c7277211e0c6e [2024-11-10 14:28:45,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:28:45,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:28:45,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:28:45,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:28:45,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:28:45,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i [2024-11-10 14:28:47,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:28:47,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:28:47,326 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i [2024-11-10 14:28:47,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0966548/e031fbe7fb9b47d9b4d70a3bc4c1425a/FLAG73b34cdc1 [2024-11-10 14:28:47,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0966548/e031fbe7fb9b47d9b4d70a3bc4c1425a [2024-11-10 14:28:47,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:28:47,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:28:47,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:28:47,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:28:47,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:28:47,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:47,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173353f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47, skipping insertion in model container [2024-11-10 14:28:47,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:47,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:28:47,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:28:47,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:28:47,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:28:47,931 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:28:47,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47 WrapperNode [2024-11-10 14:28:47,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:28:47,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:28:47,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:28:47,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:28:47,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:47,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:47,986 INFO L138 Inliner]: procedures = 162, calls = 58, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-10 14:28:47,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:28:47,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:28:47,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:28:47,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:28:47,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:47,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,016 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:28:48,030 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:28:48,031 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:28:48,032 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:28:48,032 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (1/1) ... [2024-11-10 14:28:48,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:28:48,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:48,084 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 14:28:48,089 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 14:28:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:28:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:28:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:28:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:28:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:28:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:28:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:28:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:28:48,141 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 14:28:48,303 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:28:48,305 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:28:48,543 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:28:48,543 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:28:48,567 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:28:48,567 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:28:48,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:48 BoogieIcfgContainer [2024-11-10 14:28:48,568 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:28:48,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:28:48,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:28:48,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:28:48,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:28:47" (1/3) ... [2024-11-10 14:28:48,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0d0c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:28:48, skipping insertion in model container [2024-11-10 14:28:48,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:47" (2/3) ... [2024-11-10 14:28:48,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0d0c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:28:48, skipping insertion in model container [2024-11-10 14:28:48,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:48" (3/3) ... [2024-11-10 14:28:48,583 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_01-idx_rc.i [2024-11-10 14:28:48,596 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:28:48,597 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 14:28:48,597 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:28:48,650 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:28:48,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 112 transitions, 228 flow [2024-11-10 14:28:48,748 INFO L124 PetriNetUnfolderBase]: 2/111 cut-off events. [2024-11-10 14:28:48,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:48,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2024-11-10 14:28:48,755 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 112 transitions, 228 flow [2024-11-10 14:28:48,760 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 111 transitions, 225 flow [2024-11-10 14:28:48,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:28:48,779 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;@39059719, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:28:48,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-10 14:28:48,842 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:28:48,842 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2024-11-10 14:28:48,842 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:48,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:48,844 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] [2024-11-10 14:28:48,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:48,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1822947221, now seen corresponding path program 1 times [2024-11-10 14:28:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:48,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384292116] [2024-11-10 14:28:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:49,148 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 14:28:49,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:49,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384292116] [2024-11-10 14:28:49,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384292116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:49,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:49,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:49,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110046444] [2024-11-10 14:28:49,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:49,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:28:49,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:49,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:28:49,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:28:49,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 112 [2024-11-10 14:28:49,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 111 transitions, 225 flow. Second operand has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 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 14:28:49,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:49,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 112 [2024-11-10 14:28:49,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:49,241 INFO L124 PetriNetUnfolderBase]: 5/148 cut-off events. [2024-11-10 14:28:49,241 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:28:49,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 148 events. 5/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 4 based on Foata normal form. 1/139 useless extension candidates. Maximal degree in co-relation 89. Up to 14 conditions per place. [2024-11-10 14:28:49,245 INFO L140 encePairwiseOnDemand]: 111/112 looper letters, 5 selfloop transitions, 0 changer transitions 0/110 dead transitions. [2024-11-10 14:28:49,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 110 transitions, 233 flow [2024-11-10 14:28:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:28:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:28:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 218 transitions. [2024-11-10 14:28:49,259 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9732142857142857 [2024-11-10 14:28:49,261 INFO L175 Difference]: Start difference. First operand has 113 places, 111 transitions, 225 flow. Second operand 2 states and 218 transitions. [2024-11-10 14:28:49,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 110 transitions, 233 flow [2024-11-10 14:28:49,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:49,269 INFO L231 Difference]: Finished difference. Result has 113 places, 110 transitions, 222 flow [2024-11-10 14:28:49,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=112, 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=2, PETRI_FLOW=222, PETRI_PLACES=113, PETRI_TRANSITIONS=110} [2024-11-10 14:28:49,278 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 0 predicate places. [2024-11-10 14:28:49,279 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 110 transitions, 222 flow [2024-11-10 14:28:49,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 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 14:28:49,280 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:49,281 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:49,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:28:49,281 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:49,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:49,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1298989723, now seen corresponding path program 1 times [2024-11-10 14:28:49,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:49,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767676304] [2024-11-10 14:28:49,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:49,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:49,450 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 14:28:49,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:49,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767676304] [2024-11-10 14:28:49,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767676304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:49,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:49,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:28:49,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725627685] [2024-11-10 14:28:49,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:49,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:49,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:49,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:49,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:49,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 112 [2024-11-10 14:28:49,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 110 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 14:28:49,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:49,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 112 [2024-11-10 14:28:49,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:49,521 INFO L124 PetriNetUnfolderBase]: 7/172 cut-off events. [2024-11-10 14:28:49,521 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:49,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 172 events. 7/172 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 258 event pairs, 6 based on Foata normal form. 1/161 useless extension candidates. Maximal degree in co-relation 198. Up to 24 conditions per place. [2024-11-10 14:28:49,522 INFO L140 encePairwiseOnDemand]: 109/112 looper letters, 10 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-11-10 14:28:49,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 111 transitions, 248 flow [2024-11-10 14:28:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2024-11-10 14:28:49,525 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9315476190476191 [2024-11-10 14:28:49,526 INFO L175 Difference]: Start difference. First operand has 113 places, 110 transitions, 222 flow. Second operand 3 states and 313 transitions. [2024-11-10 14:28:49,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 111 transitions, 248 flow [2024-11-10 14:28:49,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 111 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:28:49,529 INFO L231 Difference]: Finished difference. Result has 116 places, 111 transitions, 234 flow [2024-11-10 14:28:49,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=116, PETRI_TRANSITIONS=111} [2024-11-10 14:28:49,530 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 3 predicate places. [2024-11-10 14:28:49,530 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 111 transitions, 234 flow [2024-11-10 14:28:49,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 14:28:49,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:49,531 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:49,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:28:49,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:49,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1588062638, now seen corresponding path program 1 times [2024-11-10 14:28:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612866400] [2024-11-10 14:28:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:49,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:49,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612866400] [2024-11-10 14:28:49,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612866400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:49,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129576807] [2024-11-10 14:28:49,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:49,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:49,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:49,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:28:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:49,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:49,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:49,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:49,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129576807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:49,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:49,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:49,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150438211] [2024-11-10 14:28:49,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:49,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:49,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:49,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:49,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 112 [2024-11-10 14:28:49,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 111 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 14:28:49,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:49,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 112 [2024-11-10 14:28:49,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:50,044 INFO L124 PetriNetUnfolderBase]: 32/261 cut-off events. [2024-11-10 14:28:50,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:28:50,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 261 events. 32/261 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 882 event pairs, 13 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 347. Up to 44 conditions per place. [2024-11-10 14:28:50,048 INFO L140 encePairwiseOnDemand]: 104/112 looper letters, 17 selfloop transitions, 6 changer transitions 0/121 dead transitions. [2024-11-10 14:28:50,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 121 transitions, 300 flow [2024-11-10 14:28:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:50,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2024-11-10 14:28:50,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494047619047619 [2024-11-10 14:28:50,053 INFO L175 Difference]: Start difference. First operand has 116 places, 111 transitions, 234 flow. Second operand 3 states and 319 transitions. [2024-11-10 14:28:50,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 121 transitions, 300 flow [2024-11-10 14:28:50,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 121 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:50,057 INFO L231 Difference]: Finished difference. Result has 119 places, 117 transitions, 284 flow [2024-11-10 14:28:50,057 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=119, PETRI_TRANSITIONS=117} [2024-11-10 14:28:50,058 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 6 predicate places. [2024-11-10 14:28:50,058 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 117 transitions, 284 flow [2024-11-10 14:28:50,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 14:28:50,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:50,059 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:50,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:28:50,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:50,264 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:50,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2146948501, now seen corresponding path program 1 times [2024-11-10 14:28:50,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:50,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98902844] [2024-11-10 14:28:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:50,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:50,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98902844] [2024-11-10 14:28:50,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98902844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:50,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955664166] [2024-11-10 14:28:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:50,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:50,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:50,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:50,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:28:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:50,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:50,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:50,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:50,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955664166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:50,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:50,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:50,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846879822] [2024-11-10 14:28:50,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:50,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:50,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:50,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:50,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:50,540 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 112 [2024-11-10 14:28:50,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 117 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 14:28:50,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:50,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 112 [2024-11-10 14:28:50,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:50,595 INFO L124 PetriNetUnfolderBase]: 47/321 cut-off events. [2024-11-10 14:28:50,596 INFO L125 PetriNetUnfolderBase]: For 89/94 co-relation queries the response was YES. [2024-11-10 14:28:50,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 321 events. 47/321 cut-off events. For 89/94 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1301 event pairs, 21 based on Foata normal form. 3/306 useless extension candidates. Maximal degree in co-relation 525. Up to 86 conditions per place. [2024-11-10 14:28:50,600 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 16 selfloop transitions, 7 changer transitions 1/124 dead transitions. [2024-11-10 14:28:50,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 124 transitions, 356 flow [2024-11-10 14:28:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-10 14:28:50,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9345238095238095 [2024-11-10 14:28:50,607 INFO L175 Difference]: Start difference. First operand has 119 places, 117 transitions, 284 flow. Second operand 3 states and 314 transitions. [2024-11-10 14:28:50,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 124 transitions, 356 flow [2024-11-10 14:28:50,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 124 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:50,615 INFO L231 Difference]: Finished difference. Result has 121 places, 122 transitions, 328 flow [2024-11-10 14:28:50,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=121, PETRI_TRANSITIONS=122} [2024-11-10 14:28:50,616 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 8 predicate places. [2024-11-10 14:28:50,616 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 122 transitions, 328 flow [2024-11-10 14:28:50,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 14:28:50,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:50,617 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:50,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:28:50,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 14:28:50,822 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:50,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash 714083354, now seen corresponding path program 1 times [2024-11-10 14:28:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047408997] [2024-11-10 14:28:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:50,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:50,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:50,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047408997] [2024-11-10 14:28:50,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047408997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:50,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773097410] [2024-11-10 14:28:50,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:50,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:50,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:50,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:50,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:28:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:51,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:51,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:51,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:51,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773097410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:51,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:51,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:51,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431372567] [2024-11-10 14:28:51,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:51,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:51,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:51,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:51,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:51,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 112 [2024-11-10 14:28:51,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 122 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 14:28:51,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:51,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 112 [2024-11-10 14:28:51,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:51,159 INFO L124 PetriNetUnfolderBase]: 66/388 cut-off events. [2024-11-10 14:28:51,159 INFO L125 PetriNetUnfolderBase]: For 214/222 co-relation queries the response was YES. [2024-11-10 14:28:51,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 388 events. 66/388 cut-off events. For 214/222 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1773 event pairs, 25 based on Foata normal form. 2/373 useless extension candidates. Maximal degree in co-relation 725. Up to 115 conditions per place. [2024-11-10 14:28:51,163 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 17 selfloop transitions, 7 changer transitions 7/129 dead transitions. [2024-11-10 14:28:51,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 129 transitions, 414 flow [2024-11-10 14:28:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2024-11-10 14:28:51,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9226190476190477 [2024-11-10 14:28:51,168 INFO L175 Difference]: Start difference. First operand has 121 places, 122 transitions, 328 flow. Second operand 3 states and 310 transitions. [2024-11-10 14:28:51,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 129 transitions, 414 flow [2024-11-10 14:28:51,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 129 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:51,175 INFO L231 Difference]: Finished difference. Result has 123 places, 121 transitions, 346 flow [2024-11-10 14:28:51,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=123, PETRI_TRANSITIONS=121} [2024-11-10 14:28:51,176 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 10 predicate places. [2024-11-10 14:28:51,176 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 121 transitions, 346 flow [2024-11-10 14:28:51,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 14:28:51,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:51,179 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:51,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:28:51,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:51,380 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:51,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:51,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1596680353, now seen corresponding path program 1 times [2024-11-10 14:28:51,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:51,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318340264] [2024-11-10 14:28:51,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:51,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:51,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:51,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318340264] [2024-11-10 14:28:51,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318340264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:51,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865651156] [2024-11-10 14:28:51,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:51,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:51,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:51,503 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:51,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:28:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:51,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:28:51,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:51,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:51,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865651156] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:51,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:51,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:28:51,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337982339] [2024-11-10 14:28:51,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:51,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:28:51,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:51,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:28:51,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:28:51,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 112 [2024-11-10 14:28:51,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 121 transitions, 346 flow. Second operand has 10 states, 10 states have (on average 99.1) internal successors, (991), 10 states have internal predecessors, (991), 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 14:28:51,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:51,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 112 [2024-11-10 14:28:51,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:51,859 INFO L124 PetriNetUnfolderBase]: 25/322 cut-off events. [2024-11-10 14:28:51,859 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-10 14:28:51,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 322 events. 25/322 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1310 event pairs, 10 based on Foata normal form. 2/313 useless extension candidates. Maximal degree in co-relation 561. Up to 37 conditions per place. [2024-11-10 14:28:51,861 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 14 selfloop transitions, 9 changer transitions 0/129 dead transitions. [2024-11-10 14:28:51,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 410 flow [2024-11-10 14:28:51,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:28:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:28:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 898 transitions. [2024-11-10 14:28:51,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8908730158730159 [2024-11-10 14:28:51,865 INFO L175 Difference]: Start difference. First operand has 123 places, 121 transitions, 346 flow. Second operand 9 states and 898 transitions. [2024-11-10 14:28:51,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 410 flow [2024-11-10 14:28:51,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 129 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:51,872 INFO L231 Difference]: Finished difference. Result has 132 places, 127 transitions, 382 flow [2024-11-10 14:28:51,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=382, PETRI_PLACES=132, PETRI_TRANSITIONS=127} [2024-11-10 14:28:51,874 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 19 predicate places. [2024-11-10 14:28:51,874 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 127 transitions, 382 flow [2024-11-10 14:28:51,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 99.1) internal successors, (991), 10 states have internal predecessors, (991), 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 14:28:51,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:51,876 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:51,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:52,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:52,077 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:52,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1326289877, now seen corresponding path program 2 times [2024-11-10 14:28:52,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:52,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558610143] [2024-11-10 14:28:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:52,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:52,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:52,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558610143] [2024-11-10 14:28:52,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558610143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:52,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868981394] [2024-11-10 14:28:52,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:28:52,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:52,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:52,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:52,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:28:52,341 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 14:28:52,341 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:28:52,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:28:52,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:52,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:52,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868981394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:52,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:52,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-10 14:28:52,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102352636] [2024-11-10 14:28:52,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:52,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 14:28:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:52,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 14:28:52,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 14:28:52,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 112 [2024-11-10 14:28:52,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 127 transitions, 382 flow. Second operand has 18 states, 18 states have (on average 99.05555555555556) internal successors, (1783), 18 states have internal predecessors, (1783), 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 14:28:52,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:52,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 112 [2024-11-10 14:28:52,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:52,795 INFO L124 PetriNetUnfolderBase]: 25/346 cut-off events. [2024-11-10 14:28:52,795 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES. [2024-11-10 14:28:52,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 346 events. 25/346 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1304 event pairs, 10 based on Foata normal form. 4/339 useless extension candidates. Maximal degree in co-relation 625. Up to 37 conditions per place. [2024-11-10 14:28:52,797 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 18 selfloop transitions, 21 changer transitions 0/145 dead transitions. [2024-11-10 14:28:52,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 145 transitions, 556 flow [2024-11-10 14:28:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:28:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:28:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2080 transitions. [2024-11-10 14:28:52,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8843537414965986 [2024-11-10 14:28:52,802 INFO L175 Difference]: Start difference. First operand has 132 places, 127 transitions, 382 flow. Second operand 21 states and 2080 transitions. [2024-11-10 14:28:52,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 145 transitions, 556 flow [2024-11-10 14:28:52,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 542 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:52,810 INFO L231 Difference]: Finished difference. Result has 156 places, 140 transitions, 506 flow [2024-11-10 14:28:52,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=506, PETRI_PLACES=156, PETRI_TRANSITIONS=140} [2024-11-10 14:28:52,811 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 43 predicate places. [2024-11-10 14:28:52,811 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 140 transitions, 506 flow [2024-11-10 14:28:52,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 99.05555555555556) internal successors, (1783), 18 states have internal predecessors, (1783), 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 14:28:52,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:52,815 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:52,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:28:53,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:53,020 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:53,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:53,020 INFO L85 PathProgramCache]: Analyzing trace with hash 877682515, now seen corresponding path program 3 times [2024-11-10 14:28:53,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960741107] [2024-11-10 14:28:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:53,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:53,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960741107] [2024-11-10 14:28:53,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960741107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:53,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348675907] [2024-11-10 14:28:53,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 14:28:53,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:53,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:53,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:53,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 14:28:53,501 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-10 14:28:53,501 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:28:53,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:28:53,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:53,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:53,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348675907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:53,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:53,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-10 14:28:53,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58800762] [2024-11-10 14:28:53,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:53,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 14:28:53,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:53,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 14:28:53,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-10 14:28:53,905 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 112 [2024-11-10 14:28:53,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 140 transitions, 506 flow. Second operand has 23 states, 23 states have (on average 99.1304347826087) internal successors, (2280), 23 states have internal predecessors, (2280), 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 14:28:53,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:53,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 112 [2024-11-10 14:28:53,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:54,289 INFO L124 PetriNetUnfolderBase]: 25/364 cut-off events. [2024-11-10 14:28:54,289 INFO L125 PetriNetUnfolderBase]: For 298/298 co-relation queries the response was YES. [2024-11-10 14:28:54,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 364 events. 25/364 cut-off events. For 298/298 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1305 event pairs, 10 based on Foata normal form. 3/356 useless extension candidates. Maximal degree in co-relation 721. Up to 37 conditions per place. [2024-11-10 14:28:54,291 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 21 selfloop transitions, 30 changer transitions 0/157 dead transitions. [2024-11-10 14:28:54,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 157 transitions, 736 flow [2024-11-10 14:28:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 14:28:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-10 14:28:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2964 transitions. [2024-11-10 14:28:54,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8821428571428571 [2024-11-10 14:28:54,297 INFO L175 Difference]: Start difference. First operand has 156 places, 140 transitions, 506 flow. Second operand 30 states and 2964 transitions. [2024-11-10 14:28:54,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 157 transitions, 736 flow [2024-11-10 14:28:54,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 157 transitions, 706 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-10 14:28:54,303 INFO L231 Difference]: Finished difference. Result has 183 places, 150 transitions, 634 flow [2024-11-10 14:28:54,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=634, PETRI_PLACES=183, PETRI_TRANSITIONS=150} [2024-11-10 14:28:54,306 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 70 predicate places. [2024-11-10 14:28:54,306 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 150 transitions, 634 flow [2024-11-10 14:28:54,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 99.1304347826087) internal successors, (2280), 23 states have internal predecessors, (2280), 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 14:28:54,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:54,308 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:54,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:54,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:54,509 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:28:54,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:54,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1407247382, now seen corresponding path program 4 times [2024-11-10 14:28:54,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:54,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288943509] [2024-11-10 14:28:54,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:54,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:28:54,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:28:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:28:54,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:28:54,616 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:28:54,617 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-10 14:28:54,618 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-10 14:28:54,619 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-10 14:28:54,619 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-10 14:28:54,619 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-10 14:28:54,619 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-10 14:28:54,619 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-10 14:28:54,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:28:54,620 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-11-10 14:28:54,691 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:28:54,692 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:28:54,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:28:54 BasicIcfg [2024-11-10 14:28:54,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:28:54,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:28:54,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:28:54,698 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:28:54,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:48" (3/4) ... [2024-11-10 14:28:54,699 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-10 14:28:54,753 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:28:54,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:28:54,754 INFO L158 Benchmark]: Toolchain (without parser) took 7397.75ms. Allocated memory was 163.6MB in the beginning and 251.7MB in the end (delta: 88.1MB). Free memory was 107.5MB in the beginning and 193.2MB in the end (delta: -85.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-10 14:28:54,754 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:28:54,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.83ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 83.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:28:54,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.08ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 81.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:28:54,755 INFO L158 Benchmark]: Boogie Preprocessor took 41.43ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:28:54,755 INFO L158 Benchmark]: IcfgBuilder took 538.17ms. Allocated memory is still 163.6MB. Free memory was 80.2MB in the beginning and 62.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:28:54,755 INFO L158 Benchmark]: TraceAbstraction took 6122.87ms. Allocated memory was 163.6MB in the beginning and 251.7MB in the end (delta: 88.1MB). Free memory was 61.9MB in the beginning and 199.5MB in the end (delta: -137.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:28:54,755 INFO L158 Benchmark]: Witness Printer took 56.09ms. Allocated memory is still 251.7MB. Free memory was 199.5MB in the beginning and 193.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:28:54,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.83ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 83.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.08ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 81.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.43ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 538.17ms. Allocated memory is still 163.6MB. Free memory was 80.2MB in the beginning and 62.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6122.87ms. Allocated memory was 163.6MB in the beginning and 251.7MB in the end (delta: 88.1MB). Free memory was 61.9MB in the beginning and 199.5MB in the end (delta: -137.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.09ms. Allocated memory is still 251.7MB. Free memory was 199.5MB in the beginning and 193.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data; VAL [data=0] [L680] 0 pthread_mutex_t m[10]; VAL [data=0, m={1:0}] [L688] 0 int i = 0; VAL [data=0, i=0, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=0, m={1:0}] [L688] 0 i++ VAL [data=0, i=1, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=1, m={1:0}] [L688] 0 i++ VAL [data=0, i=2, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=2, m={1:0}] [L688] 0 i++ VAL [data=0, i=3, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=3, m={1:0}] [L688] 0 i++ VAL [data=0, i=4, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=4, m={1:0}] [L688] 0 i++ VAL [data=0, i=5, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=5, m={1:0}] [L688] 0 i++ VAL [data=0, i=6, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=6, m={1:0}] [L688] 0 i++ VAL [data=0, i=7, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=7, m={1:0}] [L688] 0 i++ VAL [data=0, i=8, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=8, m={1:0}] [L688] 0 i++ VAL [data=0, i=9, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=9, m={1:0}] [L688] 0 i++ VAL [data=0, i=10, m={1:0}] [L688] COND FALSE 0 !(i < 10) VAL [data=0, i=10, m={1:0}] [L690] 0 pthread_t id; VAL [data=0, m={1:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data=0, id=-1, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, m={1:0}] [L693] 0 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, id=-1, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, m={1:0}] [L693] 0 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, id=-1, m={1:0}] Now there is a data race on ~data~0 between C: data++ [683] and C: data++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 131 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.9s, OverallIterations: 9, TraceHistogramMax: 11, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 518 IncrementalHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 59 mSDtfsCounter, 518 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 936 GetRequests, 833 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=634occurred in iteration=8, InterpolantAutomatonStates: 74, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1384 NumberOfCodeBlocks, 1384 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 2025 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1154 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 6/510 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-10 14:28:54,783 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE