./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.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 f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:25:45,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:25:45,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:25:45,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:25:45,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:25:45,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:25:45,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:25:45,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:25:45,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:25:45,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:25:45,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:25:45,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:25:45,402 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:25:45,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:25:45,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:25:45,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:25:45,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:25:45,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:25:45,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:25:45,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:25:45,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:25:45,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:25:45,410 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:25:45,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:25:45,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:25:45,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:25:45,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:25:45,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:25:45,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:25:45,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:25:45,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:25:45,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:25:45,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:25:45,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:25:45,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:25:45,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:25:45,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:25:45,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:25:45,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:25:45,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:25:45,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:25:45,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa [2024-10-24 15:25:45,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:25:45,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:25:45,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:25:45,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:25:45,676 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:25:45,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2024-10-24 15:25:47,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:25:47,386 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:25:47,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2024-10-24 15:25:47,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c2d2770/86423fca3a124395995ae98145d1fd93/FLAGdd89982aa [2024-10-24 15:25:47,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c2d2770/86423fca3a124395995ae98145d1fd93 [2024-10-24 15:25:47,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:25:47,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:25:47,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:25:47,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:25:47,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:25:47,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:25:47" (1/1) ... [2024-10-24 15:25:47,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301425b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:47, skipping insertion in model container [2024-10-24 15:25:47,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:25:47" (1/1) ... [2024-10-24 15:25:47,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:25:48,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:25:48,202 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:25:48,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:25:48,302 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:25:48,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48 WrapperNode [2024-10-24 15:25:48,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:25:48,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:25:48,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:25:48,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:25:48,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,354 INFO L138 Inliner]: procedures = 165, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2024-10-24 15:25:48,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:25:48,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:25:48,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:25:48,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:25:48,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:25:48,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:25:48,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:25:48,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:25:48,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (1/1) ... [2024-10-24 15:25:48,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:25:48,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:25:48,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:25:48,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:25:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:25:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:25:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:25:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:25:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:25:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:25:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:25:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:25:48,473 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:25:48,590 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:25:48,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:25:48,757 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:25:48,757 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:25:48,792 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:25:48,792 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:25:48,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:25:48 BoogieIcfgContainer [2024-10-24 15:25:48,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:25:48,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:25:48,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:25:48,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:25:48,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:25:47" (1/3) ... [2024-10-24 15:25:48,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d111618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:25:48, skipping insertion in model container [2024-10-24 15:25:48,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:48" (2/3) ... [2024-10-24 15:25:48,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d111618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:25:48, skipping insertion in model container [2024-10-24 15:25:48,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:25:48" (3/3) ... [2024-10-24 15:25:48,809 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2024-10-24 15:25:48,827 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:25:48,828 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 15:25:48,828 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:25:48,870 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:25:48,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 211 flow [2024-10-24 15:25:48,959 INFO L124 PetriNetUnfolderBase]: 3/101 cut-off events. [2024-10-24 15:25:48,960 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:25:48,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 101 events. 3/101 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2024-10-24 15:25:48,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 102 transitions, 211 flow [2024-10-24 15:25:48,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 96 transitions, 195 flow [2024-10-24 15:25:48,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:25:48,985 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;@192c1f78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:25:48,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-24 15:25:48,999 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:25:49,000 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-10-24 15:25:49,000 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:25:49,000 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:49,001 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] [2024-10-24 15:25:49,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-24 15:25:49,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:49,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1979147343, now seen corresponding path program 1 times [2024-10-24 15:25:49,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:49,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635148516] [2024-10-24 15:25:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:49,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635148516] [2024-10-24 15:25:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635148516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:49,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:25:49,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041074434] [2024-10-24 15:25:49,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:49,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:49,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:49,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:49,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:49,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 102 [2024-10-24 15:25:49,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:49,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:49,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 102 [2024-10-24 15:25:49,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:49,521 INFO L124 PetriNetUnfolderBase]: 46/323 cut-off events. [2024-10-24 15:25:49,522 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:25:49,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 323 events. 46/323 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1543 event pairs, 17 based on Foata normal form. 10/292 useless extension candidates. Maximal degree in co-relation 388. Up to 69 conditions per place. [2024-10-24 15:25:49,526 INFO L140 encePairwiseOnDemand]: 89/102 looper letters, 21 selfloop transitions, 8 changer transitions 1/105 dead transitions. [2024-10-24 15:25:49,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 105 transitions, 271 flow [2024-10-24 15:25:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2024-10-24 15:25:49,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084967320261438 [2024-10-24 15:25:49,564 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 195 flow. Second operand 3 states and 278 transitions. [2024-10-24 15:25:49,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 105 transitions, 271 flow [2024-10-24 15:25:49,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 105 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:25:49,595 INFO L231 Difference]: Finished difference. Result has 99 places, 99 transitions, 250 flow [2024-10-24 15:25:49,601 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=99, PETRI_TRANSITIONS=99} [2024-10-24 15:25:49,610 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, 2 predicate places. [2024-10-24 15:25:49,611 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 99 transitions, 250 flow [2024-10-24 15:25:49,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:49,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:49,612 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:49,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:25:49,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-24 15:25:49,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:49,614 INFO L85 PathProgramCache]: Analyzing trace with hash 147993867, now seen corresponding path program 1 times [2024-10-24 15:25:49,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:49,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464291597] [2024-10-24 15:25:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:49,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:49,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464291597] [2024-10-24 15:25:49,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464291597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:49,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:49,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:25:49,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229242603] [2024-10-24 15:25:49,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:49,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:49,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:49,776 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 102 [2024-10-24 15:25:49,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 99 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:49,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:49,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 102 [2024-10-24 15:25:49,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:49,854 INFO L124 PetriNetUnfolderBase]: 75/407 cut-off events. [2024-10-24 15:25:49,854 INFO L125 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2024-10-24 15:25:49,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 701 conditions, 407 events. 75/407 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2202 event pairs, 34 based on Foata normal form. 1/362 useless extension candidates. Maximal degree in co-relation 642. Up to 131 conditions per place. [2024-10-24 15:25:49,859 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 23 selfloop transitions, 7 changer transitions 0/107 dead transitions. [2024-10-24 15:25:49,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 107 transitions, 336 flow [2024-10-24 15:25:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2024-10-24 15:25:49,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8758169934640523 [2024-10-24 15:25:49,867 INFO L175 Difference]: Start difference. First operand has 99 places, 99 transitions, 250 flow. Second operand 3 states and 268 transitions. [2024-10-24 15:25:49,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 107 transitions, 336 flow [2024-10-24 15:25:49,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 107 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:25:49,872 INFO L231 Difference]: Finished difference. Result has 100 places, 104 transitions, 290 flow [2024-10-24 15:25:49,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=100, PETRI_TRANSITIONS=104} [2024-10-24 15:25:49,874 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, 3 predicate places. [2024-10-24 15:25:49,874 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 104 transitions, 290 flow [2024-10-24 15:25:49,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:49,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:49,875 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] [2024-10-24 15:25:49,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:25:49,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-24 15:25:49,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1556130331, now seen corresponding path program 1 times [2024-10-24 15:25:49,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:49,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662979212] [2024-10-24 15:25:49,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:49,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:50,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:50,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662979212] [2024-10-24 15:25:50,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662979212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:50,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:50,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:25:50,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816189988] [2024-10-24 15:25:50,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:50,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:50,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:50,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:50,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:50,072 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 102 [2024-10-24 15:25:50,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 104 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:50,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:50,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 102 [2024-10-24 15:25:50,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:50,109 INFO L124 PetriNetUnfolderBase]: 7/195 cut-off events. [2024-10-24 15:25:50,110 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2024-10-24 15:25:50,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 195 events. 7/195 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 636 event pairs, 0 based on Foata normal form. 2/180 useless extension candidates. Maximal degree in co-relation 226. Up to 19 conditions per place. [2024-10-24 15:25:50,112 INFO L140 encePairwiseOnDemand]: 97/102 looper letters, 2 selfloop transitions, 5 changer transitions 0/99 dead transitions. [2024-10-24 15:25:50,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 99 transitions, 276 flow [2024-10-24 15:25:50,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-10-24 15:25:50,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9313725490196079 [2024-10-24 15:25:50,115 INFO L175 Difference]: Start difference. First operand has 100 places, 104 transitions, 290 flow. Second operand 3 states and 285 transitions. [2024-10-24 15:25:50,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 99 transitions, 276 flow [2024-10-24 15:25:50,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 99 transitions, 258 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-10-24 15:25:50,121 INFO L231 Difference]: Finished difference. Result has 99 places, 99 transitions, 254 flow [2024-10-24 15:25:50,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=99, PETRI_TRANSITIONS=99} [2024-10-24 15:25:50,122 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, 2 predicate places. [2024-10-24 15:25:50,123 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 99 transitions, 254 flow [2024-10-24 15:25:50,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:50,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:50,123 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] [2024-10-24 15:25:50,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:25:50,124 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-24 15:25:50,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1320629577, now seen corresponding path program 1 times [2024-10-24 15:25:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:50,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34729522] [2024-10-24 15:25:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:50,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:50,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34729522] [2024-10-24 15:25:50,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34729522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:50,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:50,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:25:50,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830649355] [2024-10-24 15:25:50,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:50,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:50,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:50,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:50,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:50,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 102 [2024-10-24 15:25:50,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 99 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:50,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:50,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 102 [2024-10-24 15:25:50,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:50,253 INFO L124 PetriNetUnfolderBase]: 0/107 cut-off events. [2024-10-24 15:25:50,253 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:25:50,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 107 events. 0/107 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2024-10-24 15:25:50,254 INFO L140 encePairwiseOnDemand]: 98/102 looper letters, 7 selfloop transitions, 3 changer transitions 6/80 dead transitions. [2024-10-24 15:25:50,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 80 transitions, 212 flow [2024-10-24 15:25:50,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2024-10-24 15:25:50,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8627450980392157 [2024-10-24 15:25:50,257 INFO L175 Difference]: Start difference. First operand has 99 places, 99 transitions, 254 flow. Second operand 3 states and 264 transitions. [2024-10-24 15:25:50,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 80 transitions, 212 flow [2024-10-24 15:25:50,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 200 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-10-24 15:25:50,261 INFO L231 Difference]: Finished difference. Result has 87 places, 74 transitions, 169 flow [2024-10-24 15:25:50,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=87, PETRI_TRANSITIONS=74} [2024-10-24 15:25:50,262 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -10 predicate places. [2024-10-24 15:25:50,263 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 74 transitions, 169 flow [2024-10-24 15:25:50,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:50,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:50,264 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] [2024-10-24 15:25:50,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:25:50,265 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-24 15:25:50,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1573524996, now seen corresponding path program 1 times [2024-10-24 15:25:50,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:50,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604531343] [2024-10-24 15:25:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:50,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:50,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604531343] [2024-10-24 15:25:50,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604531343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:50,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:50,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:25:50,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097419794] [2024-10-24 15:25:50,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:50,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:50,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:50,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:50,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 102 [2024-10-24 15:25:50,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 74 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:50,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:50,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 102 [2024-10-24 15:25:50,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:50,362 INFO L124 PetriNetUnfolderBase]: 0/86 cut-off events. [2024-10-24 15:25:50,363 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-24 15:25:50,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 86 events. 0/86 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 2/88 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2024-10-24 15:25:50,363 INFO L140 encePairwiseOnDemand]: 100/102 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2024-10-24 15:25:50,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 73 transitions, 189 flow [2024-10-24 15:25:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2024-10-24 15:25:50,365 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-10-24 15:25:50,365 INFO L175 Difference]: Start difference. First operand has 87 places, 74 transitions, 169 flow. Second operand 3 states and 255 transitions. [2024-10-24 15:25:50,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 73 transitions, 189 flow [2024-10-24 15:25:50,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 73 transitions, 173 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-10-24 15:25:50,366 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2024-10-24 15:25:50,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2024-10-24 15:25:50,368 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -18 predicate places. [2024-10-24 15:25:50,368 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2024-10-24 15:25:50,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:25:50,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-10-24 15:25:50,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-10-24 15:25:50,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-10-24 15:25:50,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-10-24 15:25:50,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-10-24 15:25:50,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-10-24 15:25:50,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-10-24 15:25:50,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-10-24 15:25:50,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-10-24 15:25:50,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:25:50,374 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-24 15:25:50,385 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:25:50,385 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:25:50,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:25:50 BasicIcfg [2024-10-24 15:25:50,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:25:50,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:25:50,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:25:50,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:25:50,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:25:48" (3/4) ... [2024-10-24 15:25:50,398 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:25:50,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-24 15:25:50,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 15:25:50,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-24 15:25:50,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-24 15:25:50,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:25:50,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:25:50,505 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:25:50,508 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:25:50,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:25:50,509 INFO L158 Benchmark]: Toolchain (without parser) took 2774.02ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 52.8MB in the beginning and 90.7MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:50,509 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 125.8MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:50,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.60ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 52.5MB in the beginning and 113.4MB in the end (delta: -60.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-24 15:25:50,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:25:50,510 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:25:50,510 INFO L158 Benchmark]: RCFGBuilder took 398.72ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 93.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 15:25:50,511 INFO L158 Benchmark]: TraceAbstraction took 1594.45ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 94.9MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:50,511 INFO L158 Benchmark]: Witness Printer took 114.51ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:25:50,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 125.8MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.60ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 52.5MB in the beginning and 113.4MB in the end (delta: -60.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.72ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 93.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1594.45ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 94.9MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.51ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 90.7MB 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: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 122 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 30 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:25:50,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE