./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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/06-symbeq_11-equ_nr.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 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:29:18,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:29:19,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:29:19,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:29:19,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:29:19,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:29:19,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:29:19,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:29:19,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:29:19,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:29:19,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:29:19,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:29:19,064 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:29:19,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:29:19,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:29:19,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:29:19,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:29:19,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:29:19,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:29:19,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:29:19,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:29:19,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:29:19,069 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:29:19,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:29:19,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:29:19,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:29:19,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:29:19,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:29:19,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:29:19,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:29:19,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:29:19,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:29:19,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:29:19,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:29:19,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:29:19,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:29:19,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:29:19,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:29:19,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:29:19,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:29:19,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:29:19,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2024-11-12 12:29:19,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:29:19,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:29:19,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:29:19,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:29:19,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:29:19,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2024-11-12 12:29:20,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:29:20,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:29:20,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2024-11-12 12:29:20,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa398cdb/97f225fa7ed84b44bead87258643c26a/FLAGb9bfc03ef [2024-11-12 12:29:21,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa398cdb/97f225fa7ed84b44bead87258643c26a [2024-11-12 12:29:21,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:29:21,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:29:21,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:29:21,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:29:21,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:29:21,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7749938b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21, skipping insertion in model container [2024-11-12 12:29:21,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:29:21,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:29:21,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:29:21,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:29:21,733 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:29:21,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21 WrapperNode [2024-11-12 12:29:21,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:29:21,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:29:21,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:29:21,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:29:21,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,828 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2024-11-12 12:29:21,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:29:21,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:29:21,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:29:21,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:29:21,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:29:21,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:29:21,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:29:21,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:29:21,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (1/1) ... [2024-11-12 12:29:21,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:29:21,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:21,888 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) [2024-11-12 12:29:21,890 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 [2024-11-12 12:29:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:29:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:29:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:29:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:29:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-12 12:29:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-12 12:29:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:29:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:29:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:29:21,931 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:29:22,071 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:29:22,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:29:22,259 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:29:22,259 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:29:22,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:29:22,286 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:29:22,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:22 BoogieIcfgContainer [2024-11-12 12:29:22,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:29:22,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:29:22,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:29:22,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:29:22,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:29:21" (1/3) ... [2024-11-12 12:29:22,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f154841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:29:22, skipping insertion in model container [2024-11-12 12:29:22,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:21" (2/3) ... [2024-11-12 12:29:22,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f154841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:29:22, skipping insertion in model container [2024-11-12 12:29:22,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:22" (3/3) ... [2024-11-12 12:29:22,296 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2024-11-12 12:29:22,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:29:22,311 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 12:29:22,311 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:29:22,354 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:29:22,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 182 flow [2024-11-12 12:29:22,437 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2024-11-12 12:29:22,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:29:22,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-12 12:29:22,442 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 182 flow [2024-11-12 12:29:22,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 86 transitions, 175 flow [2024-11-12 12:29:22,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:29:22,461 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;@9869e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:29:22,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 12:29:22,483 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:29:22,483 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2024-11-12 12:29:22,483 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:29:22,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:22,484 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:22,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:22,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1662276444, now seen corresponding path program 1 times [2024-11-12 12:29:22,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:22,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284520758] [2024-11-12 12:29:22,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:22,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:23,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284520758] [2024-11-12 12:29:23,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284520758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:23,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:23,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:29:23,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628027686] [2024-11-12 12:29:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:23,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:29:23,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:23,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:29:23,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:29:23,472 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 89 [2024-11-12 12:29:23,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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) [2024-11-12 12:29:23,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:23,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 89 [2024-11-12 12:29:23,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:23,672 INFO L124 PetriNetUnfolderBase]: 79/333 cut-off events. [2024-11-12 12:29:23,673 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:29:23,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 333 events. 79/333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1416 event pairs, 25 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2024-11-12 12:29:23,678 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 21 selfloop transitions, 22 changer transitions 4/115 dead transitions. [2024-11-12 12:29:23,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 115 transitions, 327 flow [2024-11-12 12:29:23,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:29:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:29:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 474 transitions. [2024-11-12 12:29:23,691 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8876404494382022 [2024-11-12 12:29:23,694 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 175 flow. Second operand 6 states and 474 transitions. [2024-11-12 12:29:23,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 115 transitions, 327 flow [2024-11-12 12:29:23,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 115 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:29:23,704 INFO L231 Difference]: Finished difference. Result has 98 places, 107 transitions, 324 flow [2024-11-12 12:29:23,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=98, PETRI_TRANSITIONS=107} [2024-11-12 12:29:23,709 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2024-11-12 12:29:23,711 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 324 flow [2024-11-12 12:29:23,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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) [2024-11-12 12:29:23,712 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:23,712 INFO L206 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] [2024-11-12 12:29:23,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:29:23,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:23,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:23,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2018367890, now seen corresponding path program 1 times [2024-11-12 12:29:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:23,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865941511] [2024-11-12 12:29:23,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:23,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:24,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865941511] [2024-11-12 12:29:24,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865941511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:24,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:24,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:29:24,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946294273] [2024-11-12 12:29:24,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:24,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:29:24,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:29:24,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:29:24,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 89 [2024-11-12 12:29:24,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:24,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:24,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 89 [2024-11-12 12:29:24,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:24,201 INFO L124 PetriNetUnfolderBase]: 132/466 cut-off events. [2024-11-12 12:29:24,201 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2024-11-12 12:29:24,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 466 events. 132/466 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2209 event pairs, 31 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2024-11-12 12:29:24,208 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 39 selfloop transitions, 29 changer transitions 7/142 dead transitions. [2024-11-12 12:29:24,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 142 transitions, 614 flow [2024-11-12 12:29:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:29:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:29:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2024-11-12 12:29:24,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8595505617977528 [2024-11-12 12:29:24,213 INFO L175 Difference]: Start difference. First operand has 98 places, 107 transitions, 324 flow. Second operand 6 states and 459 transitions. [2024-11-12 12:29:24,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 142 transitions, 614 flow [2024-11-12 12:29:24,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 142 transitions, 614 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:29:24,224 INFO L231 Difference]: Finished difference. Result has 108 places, 131 transitions, 578 flow [2024-11-12 12:29:24,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=108, PETRI_TRANSITIONS=131} [2024-11-12 12:29:24,225 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 19 predicate places. [2024-11-12 12:29:24,225 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 131 transitions, 578 flow [2024-11-12 12:29:24,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:24,225 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:24,226 INFO L206 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] [2024-11-12 12:29:24,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:29:24,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:24,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:24,228 INFO L85 PathProgramCache]: Analyzing trace with hash 114861954, now seen corresponding path program 1 times [2024-11-12 12:29:24,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:24,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518220357] [2024-11-12 12:29:24,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:24,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:24,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:24,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518220357] [2024-11-12 12:29:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518220357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:24,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:24,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 12:29:24,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591971626] [2024-11-12 12:29:24,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:24,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 12:29:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 12:29:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 12:29:24,735 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 89 [2024-11-12 12:29:24,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 131 transitions, 578 flow. Second operand has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 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) [2024-11-12 12:29:24,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:24,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 89 [2024-11-12 12:29:24,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:24,853 INFO L124 PetriNetUnfolderBase]: 88/430 cut-off events. [2024-11-12 12:29:24,853 INFO L125 PetriNetUnfolderBase]: For 188/192 co-relation queries the response was YES. [2024-11-12 12:29:24,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 430 events. 88/430 cut-off events. For 188/192 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2111 event pairs, 10 based on Foata normal form. 2/428 useless extension candidates. Maximal degree in co-relation 834. Up to 83 conditions per place. [2024-11-12 12:29:24,859 INFO L140 encePairwiseOnDemand]: 80/89 looper letters, 15 selfloop transitions, 1 changer transitions 14/140 dead transitions. [2024-11-12 12:29:24,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 140 transitions, 650 flow [2024-11-12 12:29:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 12:29:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-12 12:29:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 532 transitions. [2024-11-12 12:29:24,860 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8539325842696629 [2024-11-12 12:29:24,861 INFO L175 Difference]: Start difference. First operand has 108 places, 131 transitions, 578 flow. Second operand 7 states and 532 transitions. [2024-11-12 12:29:24,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 140 transitions, 650 flow [2024-11-12 12:29:24,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 140 transitions, 632 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-12 12:29:24,869 INFO L231 Difference]: Finished difference. Result has 118 places, 126 transitions, 572 flow [2024-11-12 12:29:24,869 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=572, PETRI_PLACES=118, PETRI_TRANSITIONS=126} [2024-11-12 12:29:24,870 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 29 predicate places. [2024-11-12 12:29:24,870 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 126 transitions, 572 flow [2024-11-12 12:29:24,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 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) [2024-11-12 12:29:24,870 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:24,870 INFO L206 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] [2024-11-12 12:29:24,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:29:24,871 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:24,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:24,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1067629480, now seen corresponding path program 1 times [2024-11-12 12:29:24,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:24,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363369087] [2024-11-12 12:29:24,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:24,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:25,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:25,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363369087] [2024-11-12 12:29:25,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363369087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:25,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:25,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 12:29:25,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643181912] [2024-11-12 12:29:25,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:25,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 12:29:25,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:25,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 12:29:25,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 12:29:25,643 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-12 12:29:25,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 126 transitions, 572 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2024-11-12 12:29:25,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:25,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-12 12:29:25,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:25,908 INFO L124 PetriNetUnfolderBase]: 133/461 cut-off events. [2024-11-12 12:29:25,909 INFO L125 PetriNetUnfolderBase]: For 443/443 co-relation queries the response was YES. [2024-11-12 12:29:25,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 461 events. 133/461 cut-off events. For 443/443 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2225 event pairs, 24 based on Foata normal form. 11/469 useless extension candidates. Maximal degree in co-relation 1406. Up to 89 conditions per place. [2024-11-12 12:29:25,912 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 62 selfloop transitions, 32 changer transitions 25/177 dead transitions. [2024-11-12 12:29:25,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 177 transitions, 1128 flow [2024-11-12 12:29:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 12:29:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-12 12:29:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 758 transitions. [2024-11-12 12:29:25,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7742594484167518 [2024-11-12 12:29:25,914 INFO L175 Difference]: Start difference. First operand has 118 places, 126 transitions, 572 flow. Second operand 11 states and 758 transitions. [2024-11-12 12:29:25,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 177 transitions, 1128 flow [2024-11-12 12:29:25,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 177 transitions, 1099 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-12 12:29:25,921 INFO L231 Difference]: Finished difference. Result has 122 places, 127 transitions, 676 flow [2024-11-12 12:29:25,921 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=676, PETRI_PLACES=122, PETRI_TRANSITIONS=127} [2024-11-12 12:29:25,922 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 33 predicate places. [2024-11-12 12:29:25,922 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 127 transitions, 676 flow [2024-11-12 12:29:25,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2024-11-12 12:29:25,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:25,923 INFO L206 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] [2024-11-12 12:29:25,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:29:25,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:25,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:25,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1345470727, now seen corresponding path program 1 times [2024-11-12 12:29:25,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:25,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38926484] [2024-11-12 12:29:25,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:26,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:26,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38926484] [2024-11-12 12:29:26,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38926484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:26,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:26,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 12:29:26,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861695030] [2024-11-12 12:29:26,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:26,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 12:29:26,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:26,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 12:29:26,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 12:29:26,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-12 12:29:26,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 127 transitions, 676 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2024-11-12 12:29:26,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:26,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-12 12:29:26,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:26,866 INFO L124 PetriNetUnfolderBase]: 107/395 cut-off events. [2024-11-12 12:29:26,866 INFO L125 PetriNetUnfolderBase]: For 643/669 co-relation queries the response was YES. [2024-11-12 12:29:26,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 395 events. 107/395 cut-off events. For 643/669 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1759 event pairs, 22 based on Foata normal form. 16/409 useless extension candidates. Maximal degree in co-relation 1366. Up to 86 conditions per place. [2024-11-12 12:29:26,870 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 45 selfloop transitions, 28 changer transitions 33/157 dead transitions. [2024-11-12 12:29:26,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 157 transitions, 1156 flow [2024-11-12 12:29:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 12:29:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 12:29:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 682 transitions. [2024-11-12 12:29:26,872 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662921348314606 [2024-11-12 12:29:26,872 INFO L175 Difference]: Start difference. First operand has 122 places, 127 transitions, 676 flow. Second operand 10 states and 682 transitions. [2024-11-12 12:29:26,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 157 transitions, 1156 flow [2024-11-12 12:29:26,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 157 transitions, 1106 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-12 12:29:26,879 INFO L231 Difference]: Finished difference. Result has 122 places, 108 transitions, 562 flow [2024-11-12 12:29:26,879 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=562, PETRI_PLACES=122, PETRI_TRANSITIONS=108} [2024-11-12 12:29:26,880 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 33 predicate places. [2024-11-12 12:29:26,880 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 108 transitions, 562 flow [2024-11-12 12:29:26,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2024-11-12 12:29:26,881 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:26,881 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:26,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:29:26,881 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:26,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:26,882 INFO L85 PathProgramCache]: Analyzing trace with hash -684530505, now seen corresponding path program 1 times [2024-11-12 12:29:26,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:26,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879145536] [2024-11-12 12:29:26,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:26,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:27,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:27,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879145536] [2024-11-12 12:29:27,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879145536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:27,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:27,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 12:29:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181251405] [2024-11-12 12:29:27,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:27,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 12:29:27,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:27,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 12:29:27,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 12:29:27,695 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-12 12:29:27,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 108 transitions, 562 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2024-11-12 12:29:27,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:27,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-12 12:29:27,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:27,903 INFO L124 PetriNetUnfolderBase]: 50/223 cut-off events. [2024-11-12 12:29:27,903 INFO L125 PetriNetUnfolderBase]: For 451/460 co-relation queries the response was YES. [2024-11-12 12:29:27,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 223 events. 50/223 cut-off events. For 451/460 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 690 event pairs, 12 based on Foata normal form. 10/231 useless extension candidates. Maximal degree in co-relation 775. Up to 40 conditions per place. [2024-11-12 12:29:27,905 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 37 selfloop transitions, 17 changer transitions 21/129 dead transitions. [2024-11-12 12:29:27,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 129 transitions, 856 flow [2024-11-12 12:29:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 12:29:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-12 12:29:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 739 transitions. [2024-11-12 12:29:27,907 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7548518896833504 [2024-11-12 12:29:27,907 INFO L175 Difference]: Start difference. First operand has 122 places, 108 transitions, 562 flow. Second operand 11 states and 739 transitions. [2024-11-12 12:29:27,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 129 transitions, 856 flow [2024-11-12 12:29:27,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 129 transitions, 741 flow, removed 5 selfloop flow, removed 12 redundant places. [2024-11-12 12:29:27,912 INFO L231 Difference]: Finished difference. Result has 115 places, 98 transitions, 433 flow [2024-11-12 12:29:27,912 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=433, PETRI_PLACES=115, PETRI_TRANSITIONS=98} [2024-11-12 12:29:27,913 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 26 predicate places. [2024-11-12 12:29:27,914 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 98 transitions, 433 flow [2024-11-12 12:29:27,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2024-11-12 12:29:27,915 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:27,915 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:27,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:29:27,915 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:27,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:27,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1157351047, now seen corresponding path program 2 times [2024-11-12 12:29:27,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:27,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577066846] [2024-11-12 12:29:27,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:27,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:28,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:28,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577066846] [2024-11-12 12:29:28,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577066846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:28,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:28,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 12:29:28,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403908850] [2024-11-12 12:29:28,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:28,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 12:29:28,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:28,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 12:29:28,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-12 12:29:28,593 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-12 12:29:28,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 98 transitions, 433 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2024-11-12 12:29:28,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:28,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-12 12:29:28,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:28,800 INFO L124 PetriNetUnfolderBase]: 37/194 cut-off events. [2024-11-12 12:29:28,801 INFO L125 PetriNetUnfolderBase]: For 363/368 co-relation queries the response was YES. [2024-11-12 12:29:28,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 194 events. 37/194 cut-off events. For 363/368 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 535 event pairs, 12 based on Foata normal form. 6/198 useless extension candidates. Maximal degree in co-relation 611. Up to 36 conditions per place. [2024-11-12 12:29:28,802 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 25 selfloop transitions, 9 changer transitions 29/116 dead transitions. [2024-11-12 12:29:28,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 116 transitions, 661 flow [2024-11-12 12:29:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 12:29:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-12 12:29:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 800 transitions. [2024-11-12 12:29:28,805 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7490636704119851 [2024-11-12 12:29:28,805 INFO L175 Difference]: Start difference. First operand has 115 places, 98 transitions, 433 flow. Second operand 12 states and 800 transitions. [2024-11-12 12:29:28,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 116 transitions, 661 flow [2024-11-12 12:29:28,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 116 transitions, 618 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-12 12:29:28,810 INFO L231 Difference]: Finished difference. Result has 116 places, 84 transitions, 307 flow [2024-11-12 12:29:28,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=307, PETRI_PLACES=116, PETRI_TRANSITIONS=84} [2024-11-12 12:29:28,810 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 27 predicate places. [2024-11-12 12:29:28,811 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 84 transitions, 307 flow [2024-11-12 12:29:28,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2024-11-12 12:29:28,811 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:28,811 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:28,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:29:28,812 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-12 12:29:28,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:28,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1325905017, now seen corresponding path program 3 times [2024-11-12 12:29:28,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:28,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444422905] [2024-11-12 12:29:28,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:28,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:29,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444422905] [2024-11-12 12:29:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444422905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:29,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:29,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 12:29:29,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303326130] [2024-11-12 12:29:29,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:29,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 12:29:29,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:29,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 12:29:29,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 12:29:29,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-12 12:29:29,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 84 transitions, 307 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2024-11-12 12:29:29,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:29,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-12 12:29:29,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:29,572 INFO L124 PetriNetUnfolderBase]: 17/137 cut-off events. [2024-11-12 12:29:29,572 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2024-11-12 12:29:29,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 137 events. 17/137 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 276 event pairs, 12 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 332. Up to 34 conditions per place. [2024-11-12 12:29:29,573 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-11-12 12:29:29,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 88 transitions, 399 flow [2024-11-12 12:29:29,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 12:29:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-12 12:29:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 721 transitions. [2024-11-12 12:29:29,575 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7364657814096016 [2024-11-12 12:29:29,575 INFO L175 Difference]: Start difference. First operand has 116 places, 84 transitions, 307 flow. Second operand 11 states and 721 transitions. [2024-11-12 12:29:29,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 88 transitions, 399 flow [2024-11-12 12:29:29,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 88 transitions, 354 flow, removed 7 selfloop flow, removed 14 redundant places. [2024-11-12 12:29:29,577 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2024-11-12 12:29:29,577 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2024-11-12 12:29:29,579 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 13 predicate places. [2024-11-12 12:29:29,580 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2024-11-12 12:29:29,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2024-11-12 12:29:29,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-12 12:29:29,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-12 12:29:29,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-12 12:29:29,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-12 12:29:29,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:29:29,584 INFO L421 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-12 12:29:29,590 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:29:29,590 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:29:29,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:29:29 BasicIcfg [2024-11-12 12:29:29,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:29:29,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:29:29,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:29:29,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:29:29,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:22" (3/4) ... [2024-11-12 12:29:29,603 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:29:29,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-12 12:29:29,611 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-12 12:29:29,612 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:29:29,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:29:29,698 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:29:29,699 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:29:29,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:29:29,700 INFO L158 Benchmark]: Toolchain (without parser) took 8480.07ms. Allocated memory was 197.1MB in the beginning and 297.8MB in the end (delta: 100.7MB). Free memory was 126.8MB in the beginning and 95.9MB in the end (delta: 30.8MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2024-11-12 12:29:29,700 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:29:29,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.34ms. Allocated memory is still 197.1MB. Free memory was 126.5MB in the beginning and 95.3MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-12 12:29:29,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.01ms. Allocated memory is still 197.1MB. Free memory was 95.3MB in the beginning and 165.9MB in the end (delta: -70.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-12 12:29:29,702 INFO L158 Benchmark]: Boogie Preprocessor took 27.59ms. Allocated memory is still 197.1MB. Free memory was 165.9MB in the beginning and 164.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:29:29,702 INFO L158 Benchmark]: RCFGBuilder took 430.25ms. Allocated memory is still 197.1MB. Free memory was 164.2MB in the beginning and 147.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 12:29:29,702 INFO L158 Benchmark]: TraceAbstraction took 7308.27ms. Allocated memory was 197.1MB in the beginning and 297.8MB in the end (delta: 100.7MB). Free memory was 146.4MB in the beginning and 100.1MB in the end (delta: 46.3MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. [2024-11-12 12:29:29,702 INFO L158 Benchmark]: Witness Printer took 101.29ms. Allocated memory is still 297.8MB. Free memory was 100.1MB in the beginning and 95.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:29:29,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.34ms. Allocated memory is still 197.1MB. Free memory was 126.5MB in the beginning and 95.3MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.01ms. Allocated memory is still 197.1MB. Free memory was 95.3MB in the beginning and 165.9MB in the end (delta: -70.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.59ms. Allocated memory is still 197.1MB. Free memory was 165.9MB in the beginning and 164.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.25ms. Allocated memory is still 197.1MB. Free memory was 164.2MB in the beginning and 147.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7308.27ms. Allocated memory was 197.1MB in the beginning and 297.8MB in the end (delta: 100.7MB). Free memory was 146.4MB in the beginning and 100.1MB in the end (delta: 46.3MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. * Witness Printer took 101.29ms. Allocated memory is still 297.8MB. Free memory was 100.1MB in the beginning and 95.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1947 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1599 mSDsluCounter, 1840 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1765 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4995 IncrementalHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 75 mSDtfsCounter, 4995 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=4, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 2950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:29:29,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE