./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_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:09:50,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:09:50,424 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:09:50,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:09:50,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:09:50,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:09:50,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:09:50,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:09:50,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:09:50,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:09:50,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:09:50,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:09:50,475 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:09:50,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:09:50,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:09:50,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:09:50,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:09:50,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:09:50,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:09:50,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:09:50,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:09:50,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:09:50,480 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:09:50,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:09:50,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:09:50,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:09:50,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:09:50,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:09:50,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:09:50,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:09:50,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:09:50,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:09:50,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:09:50,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:09:50,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:09:50,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:09:50,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:09:50,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:09:50,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:09:50,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:09:50,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:09:50,486 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-10-11 17:09:50,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:09:50,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:09:50,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:09:50,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:09:50,785 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:09:50,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-10-11 17:09:52,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:09:52,541 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:09:52,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-10-11 17:09:52,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3106cd6bc/70a56eca11ac4f09b4fd623129a1a506/FLAGe842da1d7 [2024-10-11 17:09:52,578 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3106cd6bc/70a56eca11ac4f09b4fd623129a1a506 [2024-10-11 17:09:52,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:09:52,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:09:52,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:09:52,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:09:52,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:09:52,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:09:52" (1/1) ... [2024-10-11 17:09:52,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48840c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:52, skipping insertion in model container [2024-10-11 17:09:52,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:09:52" (1/1) ... [2024-10-11 17:09:52,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:09:53,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:09:53,164 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:09:53,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:09:53,292 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:09:53,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53 WrapperNode [2024-10-11 17:09:53,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:09:53,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:09:53,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:09:53,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:09:53,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,366 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2024-10-11 17:09:53,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:09:53,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:09:53,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:09:53,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:09:53,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:09:53,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:09:53,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:09:53,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:09:53,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (1/1) ... [2024-10-11 17:09:53,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:09:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:09:53,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:09:53,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:09:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-10-11 17:09:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-10-11 17:09:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-10-11 17:09:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-10-11 17:09:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:09:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:09:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:09:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:09:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:09:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:09:53,521 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:09:53,826 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:09:53,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:09:54,043 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:09:54,043 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:09:54,073 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:09:54,073 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:09:54,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:54 BoogieIcfgContainer [2024-10-11 17:09:54,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:09:54,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:09:54,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:09:54,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:09:54,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:09:52" (1/3) ... [2024-10-11 17:09:54,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de97fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:09:54, skipping insertion in model container [2024-10-11 17:09:54,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:53" (2/3) ... [2024-10-11 17:09:54,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de97fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:09:54, skipping insertion in model container [2024-10-11 17:09:54,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:54" (3/3) ... [2024-10-11 17:09:54,084 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-10-11 17:09:54,101 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:09:54,101 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-11 17:09:54,102 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:09:54,167 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:09:54,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 112 transitions, 238 flow [2024-10-11 17:09:54,262 INFO L124 PetriNetUnfolderBase]: 2/110 cut-off events. [2024-10-11 17:09:54,263 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:09:54,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 110 events. 2/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2024-10-11 17:09:54,270 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 112 transitions, 238 flow [2024-10-11 17:09:54,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 104 transitions, 217 flow [2024-10-11 17:09:54,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:09:54,293 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;@6fd12cff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:09:54,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-11 17:09:54,305 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:09:54,305 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2024-10-11 17:09:54,305 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:09:54,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:54,306 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] [2024-10-11 17:09:54,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-11 17:09:54,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:54,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1765097431, now seen corresponding path program 1 times [2024-10-11 17:09:54,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:54,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618054725] [2024-10-11 17:09:54,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:54,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:54,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618054725] [2024-10-11 17:09:54,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618054725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:54,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:54,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:54,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100930530] [2024-10-11 17:09:54,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:54,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:54,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:54,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-11 17:09:54,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2024-10-11 17:09:54,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:54,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-11 17:09:54,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:54,995 INFO L124 PetriNetUnfolderBase]: 50/322 cut-off events. [2024-10-11 17:09:54,996 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-10-11 17:09:54,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 322 events. 50/322 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1378 event pairs, 40 based on Foata normal form. 10/302 useless extension candidates. Maximal degree in co-relation 414. Up to 103 conditions per place. [2024-10-11 17:09:55,002 INFO L140 encePairwiseOnDemand]: 105/112 looper letters, 20 selfloop transitions, 4 changer transitions 0/106 dead transitions. [2024-10-11 17:09:55,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 106 transitions, 272 flow [2024-10-11 17:09:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2024-10-11 17:09:55,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8839285714285714 [2024-10-11 17:09:55,021 INFO L175 Difference]: Start difference. First operand has 109 places, 104 transitions, 217 flow. Second operand 3 states and 297 transitions. [2024-10-11 17:09:55,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 106 transitions, 272 flow [2024-10-11 17:09:55,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 106 transitions, 266 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 17:09:55,031 INFO L231 Difference]: Finished difference. Result has 108 places, 103 transitions, 234 flow [2024-10-11 17:09:55,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=108, PETRI_TRANSITIONS=103} [2024-10-11 17:09:55,039 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -1 predicate places. [2024-10-11 17:09:55,040 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 103 transitions, 234 flow [2024-10-11 17:09:55,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2024-10-11 17:09:55,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:55,041 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:09:55,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:09:55,042 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-11 17:09:55,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:55,043 INFO L85 PathProgramCache]: Analyzing trace with hash 682109792, now seen corresponding path program 1 times [2024-10-11 17:09:55,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:55,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515753575] [2024-10-11 17:09:55,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:55,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:55,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515753575] [2024-10-11 17:09:55,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515753575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:55,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:55,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:55,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836923662] [2024-10-11 17:09:55,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:55,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:55,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:55,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:55,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-11 17:09:55,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 103 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2024-10-11 17:09:55,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:55,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-11 17:09:55,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:55,354 INFO L124 PetriNetUnfolderBase]: 51/348 cut-off events. [2024-10-11 17:09:55,355 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-11 17:09:55,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 348 events. 51/348 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1587 event pairs, 29 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 400. Up to 87 conditions per place. [2024-10-11 17:09:55,359 INFO L140 encePairwiseOnDemand]: 104/112 looper letters, 21 selfloop transitions, 6 changer transitions 0/111 dead transitions. [2024-10-11 17:09:55,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 111 transitions, 308 flow [2024-10-11 17:09:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2024-10-11 17:09:55,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2024-10-11 17:09:55,366 INFO L175 Difference]: Start difference. First operand has 108 places, 103 transitions, 234 flow. Second operand 3 states and 298 transitions. [2024-10-11 17:09:55,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 111 transitions, 308 flow [2024-10-11 17:09:55,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 111 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:55,370 INFO L231 Difference]: Finished difference. Result has 110 places, 108 transitions, 276 flow [2024-10-11 17:09:55,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=110, PETRI_TRANSITIONS=108} [2024-10-11 17:09:55,371 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, 1 predicate places. [2024-10-11 17:09:55,372 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 108 transitions, 276 flow [2024-10-11 17:09:55,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2024-10-11 17:09:55,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:55,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:09:55,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:09:55,373 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-11 17:09:55,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1778473211, now seen corresponding path program 1 times [2024-10-11 17:09:55,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:55,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907218990] [2024-10-11 17:09:55,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:55,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:55,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907218990] [2024-10-11 17:09:55,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907218990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:55,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:55,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:55,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755863262] [2024-10-11 17:09:55,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:55,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:55,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:55,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:55,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:55,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-11 17:09:55,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 108 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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) [2024-10-11 17:09:55,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:55,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-11 17:09:55,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:55,610 INFO L124 PetriNetUnfolderBase]: 98/522 cut-off events. [2024-10-11 17:09:55,611 INFO L125 PetriNetUnfolderBase]: For 160/174 co-relation queries the response was YES. [2024-10-11 17:09:55,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 522 events. 98/522 cut-off events. For 160/174 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2659 event pairs, 46 based on Foata normal form. 2/479 useless extension candidates. Maximal degree in co-relation 781. Up to 177 conditions per place. [2024-10-11 17:09:55,618 INFO L140 encePairwiseOnDemand]: 104/112 looper letters, 22 selfloop transitions, 11 changer transitions 2/121 dead transitions. [2024-10-11 17:09:55,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 121 transitions, 391 flow [2024-10-11 17:09:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 300 transitions. [2024-10-11 17:09:55,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8928571428571429 [2024-10-11 17:09:55,620 INFO L175 Difference]: Start difference. First operand has 110 places, 108 transitions, 276 flow. Second operand 3 states and 300 transitions. [2024-10-11 17:09:55,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 121 transitions, 391 flow [2024-10-11 17:09:55,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 121 transitions, 371 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:55,628 INFO L231 Difference]: Finished difference. Result has 112 places, 116 transitions, 352 flow [2024-10-11 17:09:55,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=112, PETRI_TRANSITIONS=116} [2024-10-11 17:09:55,630 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, 3 predicate places. [2024-10-11 17:09:55,630 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 116 transitions, 352 flow [2024-10-11 17:09:55,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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) [2024-10-11 17:09:55,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:55,631 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] [2024-10-11 17:09:55,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:09:55,632 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-11 17:09:55,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:55,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1682670916, now seen corresponding path program 1 times [2024-10-11 17:09:55,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:55,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873735842] [2024-10-11 17:09:55,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:55,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:55,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:55,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873735842] [2024-10-11 17:09:55,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873735842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:55,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:55,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:09:55,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379074934] [2024-10-11 17:09:55,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:55,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:55,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:55,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:55,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:55,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 112 [2024-10-11 17:09:55,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 116 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2024-10-11 17:09:55,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:55,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 112 [2024-10-11 17:09:55,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:55,873 INFO L124 PetriNetUnfolderBase]: 8/175 cut-off events. [2024-10-11 17:09:55,873 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-10-11 17:09:55,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 175 events. 8/175 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 338 event pairs, 2 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 160. Up to 18 conditions per place. [2024-10-11 17:09:55,875 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 4 selfloop transitions, 5 changer transitions 11/98 dead transitions. [2024-10-11 17:09:55,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 98 transitions, 265 flow [2024-10-11 17:09:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2024-10-11 17:09:55,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9196428571428571 [2024-10-11 17:09:55,878 INFO L175 Difference]: Start difference. First operand has 112 places, 116 transitions, 352 flow. Second operand 3 states and 309 transitions. [2024-10-11 17:09:55,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 98 transitions, 265 flow [2024-10-11 17:09:55,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 98 transitions, 227 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-10-11 17:09:55,882 INFO L231 Difference]: Finished difference. Result has 102 places, 86 transitions, 185 flow [2024-10-11 17:09:55,882 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=102, PETRI_TRANSITIONS=86} [2024-10-11 17:09:55,883 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -7 predicate places. [2024-10-11 17:09:55,883 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 86 transitions, 185 flow [2024-10-11 17:09:55,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2024-10-11 17:09:55,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:55,883 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:09:55,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:09:55,884 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-11 17:09:55,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1485875508, now seen corresponding path program 1 times [2024-10-11 17:09:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777598531] [2024-10-11 17:09:55,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:55,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:55,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777598531] [2024-10-11 17:09:55,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777598531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:55,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:55,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:55,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926015908] [2024-10-11 17:09:55,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:55,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:55,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:55,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:56,019 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-11 17:09:56,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 86 transitions, 185 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) [2024-10-11 17:09:56,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:56,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-11 17:09:56,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:56,046 INFO L124 PetriNetUnfolderBase]: 9/153 cut-off events. [2024-10-11 17:09:56,047 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-11 17:09:56,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 153 events. 9/153 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 347 event pairs, 8 based on Foata normal form. 3/154 useless extension candidates. Maximal degree in co-relation 107. Up to 37 conditions per place. [2024-10-11 17:09:56,048 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2024-10-11 17:09:56,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 86 transitions, 215 flow [2024-10-11 17:09:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-10-11 17:09:56,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8482142857142857 [2024-10-11 17:09:56,051 INFO L175 Difference]: Start difference. First operand has 102 places, 86 transitions, 185 flow. Second operand 3 states and 285 transitions. [2024-10-11 17:09:56,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 86 transitions, 215 flow [2024-10-11 17:09:56,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 86 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:09:56,053 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2024-10-11 17:09:56,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2024-10-11 17:09:56,054 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -17 predicate places. [2024-10-11 17:09:56,054 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2024-10-11 17:09:56,055 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) [2024-10-11 17:09:56,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-10-11 17:09:56,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2024-10-11 17:09:56,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-10-11 17:09:56,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-10-11 17:09:56,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-10-11 17:09:56,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-10-11 17:09:56,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-10-11 17:09:56,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-10-11 17:09:56,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-10-11 17:09:56,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-10-11 17:09:56,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-10-11 17:09:56,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-10-11 17:09:56,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:09:56,064 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 17:09:56,072 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:09:56,073 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:09:56,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:09:56 BasicIcfg [2024-10-11 17:09:56,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:09:56,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:09:56,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:09:56,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:09:56,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:54" (3/4) ... [2024-10-11 17:09:56,084 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:09:56,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-10-11 17:09:56,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-10-11 17:09:56,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-11 17:09:56,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 17:09:56,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:09:56,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:09:56,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:09:56,183 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:09:56,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:09:56,184 INFO L158 Benchmark]: Toolchain (without parser) took 3602.16ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 102.1MB in the beginning and 121.8MB in the end (delta: -19.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,184 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:09:56,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.27ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 61.4MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.25ms. Allocated memory is still 159.4MB. Free memory was 61.4MB in the beginning and 58.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,185 INFO L158 Benchmark]: Boogie Preprocessor took 57.88ms. Allocated memory is still 159.4MB. Free memory was 58.0MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,185 INFO L158 Benchmark]: RCFGBuilder took 646.34ms. Allocated memory is still 159.4MB. Free memory was 56.0MB in the beginning and 117.6MB in the end (delta: -61.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,185 INFO L158 Benchmark]: TraceAbstraction took 2004.27ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 117.0MB in the beginning and 126.0MB in the end (delta: -9.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,186 INFO L158 Benchmark]: Witness Printer took 102.25ms. Allocated memory is still 222.3MB. Free memory was 126.0MB in the beginning and 121.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:09:56,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.27ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 61.4MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.25ms. Allocated memory is still 159.4MB. Free memory was 61.4MB in the beginning and 58.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.88ms. Allocated memory is still 159.4MB. Free memory was 58.0MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.34ms. Allocated memory is still 159.4MB. Free memory was 56.0MB in the beginning and 117.6MB in the end (delta: -61.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2004.27ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 117.0MB in the beginning and 126.0MB in the end (delta: -9.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Witness Printer took 102.25ms. Allocated memory is still 222.3MB. Free memory was 126.0MB in the beginning and 121.8MB 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: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: 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 5 procedures, 170 locations, 12 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: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 6 mSDtfsCounter, 209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=3, 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, 0.6s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:09:56,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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