./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:55:00,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:55:00,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:55:00,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:55:00,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:55:00,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:55:00,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:55:00,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:55:00,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:55:00,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:55:00,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:55:00,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:55:00,275 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:55:00,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:55:00,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:55:00,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:55:00,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:55:00,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:55:00,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:55:00,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:55:00,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:55:00,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:55:00,279 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:55:00,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:55:00,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:55:00,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:55:00,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:55:00,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:55:00,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:55:00,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:55:00,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:55:00,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:00,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:55:00,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:55:00,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:55:00,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:55:00,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:55:00,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:55:00,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:55:00,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:55:00,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:55:00,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 [2024-11-22 17:55:00,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:55:00,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:55:00,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:55:00,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:55:00,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:55:00,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2024-11-22 17:55:01,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:55:01,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:55:01,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2024-11-22 17:55:01,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f7aa0ea/b0d2a71b899841f1a146e350c3033fa2/FLAG3f2fe182e [2024-11-22 17:55:01,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f7aa0ea/b0d2a71b899841f1a146e350c3033fa2 [2024-11-22 17:55:01,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:55:01,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:55:01,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:01,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:55:01,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:55:01,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:01" (1/1) ... [2024-11-22 17:55:01,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f847cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:01, skipping insertion in model container [2024-11-22 17:55:01,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:55:01" (1/1) ... [2024-11-22 17:55:02,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:55:02,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:02,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:55:02,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:55:02,371 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:55:02,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02 WrapperNode [2024-11-22 17:55:02,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:55:02,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:02,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:55:02,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:55:02,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,413 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 71 [2024-11-22 17:55:02,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:55:02,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:55:02,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:55:02,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:55:02,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:55:02,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:55:02,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:55:02,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:55:02,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (1/1) ... [2024-11-22 17:55:02,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:55:02,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:55:02,479 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) [2024-11-22 17:55:02,486 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 [2024-11-22 17:55:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:55:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:55:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:55:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:55:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:55:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:55:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:55:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:55:02,526 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:55:02,632 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:55:02,635 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:55:02,751 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:55:02,751 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:55:02,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:55:02,771 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:55:02,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:02 BoogieIcfgContainer [2024-11-22 17:55:02,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:55:02,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:55:02,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:55:02,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:55:02,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:55:01" (1/3) ... [2024-11-22 17:55:02,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b722ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:02, skipping insertion in model container [2024-11-22 17:55:02,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:55:02" (2/3) ... [2024-11-22 17:55:02,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b722ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:55:02, skipping insertion in model container [2024-11-22 17:55:02,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:02" (3/3) ... [2024-11-22 17:55:02,779 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2024-11-22 17:55:02,792 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:55:02,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 17:55:02,792 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:55:02,831 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:55:02,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 172 flow [2024-11-22 17:55:02,891 INFO L124 PetriNetUnfolderBase]: 4/83 cut-off events. [2024-11-22 17:55:02,891 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:55:02,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 4/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 112 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-22 17:55:02,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 84 transitions, 172 flow [2024-11-22 17:55:02,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 83 transitions, 169 flow [2024-11-22 17:55:02,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:55:02,913 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;@6eb2584e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:55:02,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 17:55:02,922 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:55:02,922 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-22 17:55:02,922 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:55:02,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:02,923 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] [2024-11-22 17:55:02,924 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:55:02,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:02,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1192681256, now seen corresponding path program 1 times [2024-11-22 17:55:02,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:02,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049737569] [2024-11-22 17:55:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:03,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:03,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049737569] [2024-11-22 17:55:03,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049737569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:03,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:03,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556905761] [2024-11-22 17:55:03,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:03,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:03,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:03,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:03,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:03,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 84 [2024-11-22 17:55:03,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 83 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2024-11-22 17:55:03,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:03,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 84 [2024-11-22 17:55:03,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:03,307 INFO L124 PetriNetUnfolderBase]: 34/314 cut-off events. [2024-11-22 17:55:03,307 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:55:03,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 314 events. 34/314 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1618 event pairs, 14 based on Foata normal form. 30/318 useless extension candidates. Maximal degree in co-relation 379. Up to 73 conditions per place. [2024-11-22 17:55:03,310 INFO L140 encePairwiseOnDemand]: 71/84 looper letters, 14 selfloop transitions, 6 changer transitions 3/83 dead transitions. [2024-11-22 17:55:03,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 83 transitions, 215 flow [2024-11-22 17:55:03,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2024-11-22 17:55:03,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.876984126984127 [2024-11-22 17:55:03,322 INFO L175 Difference]: Start difference. First operand has 83 places, 83 transitions, 169 flow. Second operand 3 states and 221 transitions. [2024-11-22 17:55:03,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 83 transitions, 215 flow [2024-11-22 17:55:03,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 83 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:55:03,330 INFO L231 Difference]: Finished difference. Result has 81 places, 78 transitions, 194 flow [2024-11-22 17:55:03,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=81, PETRI_TRANSITIONS=78} [2024-11-22 17:55:03,336 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, -2 predicate places. [2024-11-22 17:55:03,336 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 78 transitions, 194 flow [2024-11-22 17:55:03,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2024-11-22 17:55:03,337 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:03,337 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] [2024-11-22 17:55:03,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:55:03,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:55:03,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:03,338 INFO L85 PathProgramCache]: Analyzing trace with hash 192630011, now seen corresponding path program 1 times [2024-11-22 17:55:03,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:03,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887759912] [2024-11-22 17:55:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:03,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:03,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887759912] [2024-11-22 17:55:03,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887759912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:03,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:03,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:55:03,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547412442] [2024-11-22 17:55:03,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:03,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:03,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:03,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:03,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:03,426 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2024-11-22 17:55:03,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2024-11-22 17:55:03,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:03,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2024-11-22 17:55:03,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:03,500 INFO L124 PetriNetUnfolderBase]: 41/334 cut-off events. [2024-11-22 17:55:03,501 INFO L125 PetriNetUnfolderBase]: For 49/51 co-relation queries the response was YES. [2024-11-22 17:55:03,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 334 events. 41/334 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1807 event pairs, 20 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 495. Up to 83 conditions per place. [2024-11-22 17:55:03,503 INFO L140 encePairwiseOnDemand]: 78/84 looper letters, 12 selfloop transitions, 6 changer transitions 5/85 dead transitions. [2024-11-22 17:55:03,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 85 transitions, 262 flow [2024-11-22 17:55:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-22 17:55:03,505 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8531746031746031 [2024-11-22 17:55:03,505 INFO L175 Difference]: Start difference. First operand has 81 places, 78 transitions, 194 flow. Second operand 3 states and 215 transitions. [2024-11-22 17:55:03,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 85 transitions, 262 flow [2024-11-22 17:55:03,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 85 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:55:03,511 INFO L231 Difference]: Finished difference. Result has 83 places, 79 transitions, 218 flow [2024-11-22 17:55:03,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=83, PETRI_TRANSITIONS=79} [2024-11-22 17:55:03,512 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 0 predicate places. [2024-11-22 17:55:03,512 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 79 transitions, 218 flow [2024-11-22 17:55:03,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2024-11-22 17:55:03,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:55:03,513 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:55:03,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:55:03,513 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:55:03,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:55:03,514 INFO L85 PathProgramCache]: Analyzing trace with hash -290100171, now seen corresponding path program 1 times [2024-11-22 17:55:03,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:55:03,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549123866] [2024-11-22 17:55:03,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:55:03,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:55:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:55:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:55:03,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:55:03,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549123866] [2024-11-22 17:55:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549123866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:55:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:55:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:55:03,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70295012] [2024-11-22 17:55:03,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:55:03,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:55:03,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:55:03,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:55:03,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:55:03,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 84 [2024-11-22 17:55:03,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2024-11-22 17:55:03,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:55:03,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 84 [2024-11-22 17:55:03,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:55:03,711 INFO L124 PetriNetUnfolderBase]: 0/95 cut-off events. [2024-11-22 17:55:03,711 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-22 17:55:03,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 95 events. 0/95 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 100 event pairs, 0 based on Foata normal form. 2/94 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2024-11-22 17:55:03,712 INFO L140 encePairwiseOnDemand]: 80/84 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-22 17:55:03,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 72 transitions, 190 flow [2024-11-22 17:55:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:55:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:55:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-11-22 17:55:03,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-22 17:55:03,714 INFO L175 Difference]: Start difference. First operand has 83 places, 79 transitions, 218 flow. Second operand 3 states and 224 transitions. [2024-11-22 17:55:03,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 72 transitions, 190 flow [2024-11-22 17:55:03,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 72 transitions, 166 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-11-22 17:55:03,715 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-11-22 17:55:03,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-11-22 17:55:03,716 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, -5 predicate places. [2024-11-22 17:55:03,716 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-11-22 17:55:03,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2024-11-22 17:55:03,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-22 17:55:03,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-22 17:55:03,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-22 17:55:03,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-22 17:55:03,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-22 17:55:03,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-22 17:55:03,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-22 17:55:03,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:55:03,721 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 17:55:03,727 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:55:03,727 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:55:03,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:55:03 BasicIcfg [2024-11-22 17:55:03,732 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:55:03,733 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:55:03,733 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:55:03,733 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:55:03,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:55:02" (3/4) ... [2024-11-22 17:55:03,735 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:55:03,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-22 17:55:03,741 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 17:55:03,742 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:55:03,742 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 17:55:03,742 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:55:03,815 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:55:03,815 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:55:03,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:55:03,817 INFO L158 Benchmark]: Toolchain (without parser) took 1851.79ms. Allocated memory is still 192.9MB. Free memory was 162.9MB in the beginning and 93.4MB in the end (delta: 69.5MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-11-22 17:55:03,817 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:55:03,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.30ms. Allocated memory is still 192.9MB. Free memory was 162.1MB in the beginning and 141.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 17:55:03,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 192.9MB. Free memory was 140.4MB in the beginning and 139.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:55:03,820 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 192.9MB. Free memory was 139.1MB in the beginning and 137.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:55:03,820 INFO L158 Benchmark]: RCFGBuilder took 325.48ms. Allocated memory is still 192.9MB. Free memory was 137.8MB in the beginning and 123.1MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:55:03,820 INFO L158 Benchmark]: TraceAbstraction took 959.06ms. Allocated memory is still 192.9MB. Free memory was 122.3MB in the beginning and 97.6MB in the end (delta: 24.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-22 17:55:03,821 INFO L158 Benchmark]: Witness Printer took 83.12ms. Allocated memory is still 192.9MB. Free memory was 97.6MB in the beginning and 93.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:55:03,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.30ms. Allocated memory is still 192.9MB. Free memory was 162.1MB in the beginning and 141.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.61ms. Allocated memory is still 192.9MB. Free memory was 140.4MB in the beginning and 139.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 192.9MB. Free memory was 139.1MB in the beginning and 137.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.48ms. Allocated memory is still 192.9MB. Free memory was 137.8MB in the beginning and 123.1MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 959.06ms. Allocated memory is still 192.9MB. Free memory was 122.3MB in the beginning and 97.6MB in the end (delta: 24.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Witness Printer took 83.12ms. Allocated memory is still 192.9MB. Free memory was 97.6MB in the beginning and 93.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: 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, 110 locations, 7 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 29 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:55:03,844 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