./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.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/13-privatized_18-first-reads_unknown_2_pos.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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:51:46,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:51:46,395 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:51:46,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:51:46,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:51:46,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:51:46,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:51:46,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:51:46,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:51:46,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:51:46,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:51:46,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:51:46,428 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:51:46,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:51:46,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:51:46,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:51:46,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:51:46,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:51:46,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:51:46,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:51:46,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:51:46,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:51:46,436 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:51:46,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:51:46,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:51:46,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:51:46,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:51:46,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:51:46,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:51:46,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:51:46,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:51:46,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:51:46,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:51:46,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:51:46,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:51:46,440 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:51:46,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:51:46,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:51:46,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:51:46,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:51:46,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:51:46,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-22 17:51:46,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:51:46,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:51:46,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:51:46,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:51:46,706 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:51:46,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-22 17:51:48,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:51:48,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:51:48,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-22 17:51:48,506 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6894a73c0/d753b27132d948d9a2bf3cd8ddefc8cc/FLAGcbec1bb71 [2024-11-22 17:51:48,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6894a73c0/d753b27132d948d9a2bf3cd8ddefc8cc [2024-11-22 17:51:48,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:51:48,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:51:48,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:51:48,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:51:48,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:51:48,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:51:48" (1/1) ... [2024-11-22 17:51:48,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ac7421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:48, skipping insertion in model container [2024-11-22 17:51:48,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:51:48" (1/1) ... [2024-11-22 17:51:48,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:51:49,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:51:49,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:51:49,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:51:49,355 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:51:49,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49 WrapperNode [2024-11-22 17:51:49,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:51:49,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:51:49,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:51:49,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:51:49,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,403 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-22 17:51:49,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:51:49,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:51:49,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:51:49,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:51:49,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:51:49,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:51:49,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:51:49,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:51:49,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (1/1) ... [2024-11-22 17:51:49,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:51:49,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:49,479 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 17:51:49,481 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 17:51:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:51:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:51:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:51:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:51:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:51:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:51:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:51:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:51:49,537 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 17:51:49,647 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:51:49,650 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:51:49,789 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:51:49,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:51:49,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:51:49,822 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:51:49,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:49 BoogieIcfgContainer [2024-11-22 17:51:49,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:51:49,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:51:49,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:51:49,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:51:49,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:51:48" (1/3) ... [2024-11-22 17:51:49,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756be158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:51:49, skipping insertion in model container [2024-11-22 17:51:49,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:49" (2/3) ... [2024-11-22 17:51:49,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756be158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:51:49, skipping insertion in model container [2024-11-22 17:51:49,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:49" (3/3) ... [2024-11-22 17:51:49,834 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-22 17:51:49,852 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:51:49,852 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 17:51:49,852 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:51:49,901 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-22 17:51:49,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 157 flow [2024-11-22 17:51:49,988 INFO L124 PetriNetUnfolderBase]: 3/74 cut-off events. [2024-11-22 17:51:49,988 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:51:49,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 3/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2024-11-22 17:51:49,993 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 75 transitions, 157 flow [2024-11-22 17:51:49,996 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 63 transitions, 129 flow [2024-11-22 17:51:50,006 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:51:50,012 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;@2a697c2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:51:50,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 17:51:50,025 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:51:50,025 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-11-22 17:51:50,025 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:51:50,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:50,026 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] [2024-11-22 17:51:50,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-22 17:51:50,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:50,033 INFO L85 PathProgramCache]: Analyzing trace with hash -609181813, now seen corresponding path program 1 times [2024-11-22 17:51:50,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118210912] [2024-11-22 17:51:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:50,328 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 17:51:50,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118210912] [2024-11-22 17:51:50,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118210912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:50,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:50,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:50,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793255943] [2024-11-22 17:51:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:50,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:50,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:50,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:50,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:50,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 75 [2024-11-22 17:51:50,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 17:51:50,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:50,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 75 [2024-11-22 17:51:50,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:50,456 INFO L124 PetriNetUnfolderBase]: 11/108 cut-off events. [2024-11-22 17:51:50,456 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:51:50,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 108 events. 11/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 265 event pairs, 6 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 114. Up to 19 conditions per place. [2024-11-22 17:51:50,459 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 8 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-11-22 17:51:50,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 143 flow [2024-11-22 17:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2024-11-22 17:51:50,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2024-11-22 17:51:50,493 INFO L175 Difference]: Start difference. First operand has 64 places, 63 transitions, 129 flow. Second operand 3 states and 196 transitions. [2024-11-22 17:51:50,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 143 flow [2024-11-22 17:51:50,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 60 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:51:50,504 INFO L231 Difference]: Finished difference. Result has 62 places, 58 transitions, 122 flow [2024-11-22 17:51:50,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2024-11-22 17:51:50,519 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2024-11-22 17:51:50,534 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 122 flow [2024-11-22 17:51:50,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 17:51:50,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:50,536 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] [2024-11-22 17:51:50,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:51:50,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-22 17:51:50,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:50,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1309118132, now seen corresponding path program 1 times [2024-11-22 17:51:50,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:50,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596305971] [2024-11-22 17:51:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:50,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:50,658 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 17:51:50,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:50,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596305971] [2024-11-22 17:51:50,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596305971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:50,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:50,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:50,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444469566] [2024-11-22 17:51:50,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:50,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:50,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:50,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:50,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 75 [2024-11-22 17:51:50,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 17:51:50,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:50,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 75 [2024-11-22 17:51:50,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:50,731 INFO L124 PetriNetUnfolderBase]: 16/94 cut-off events. [2024-11-22 17:51:50,731 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-22 17:51:50,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 94 events. 16/94 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 197 event pairs, 9 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 119. Up to 30 conditions per place. [2024-11-22 17:51:50,732 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 10 selfloop transitions, 2 changer transitions 3/59 dead transitions. [2024-11-22 17:51:50,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 59 transitions, 148 flow [2024-11-22 17:51:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2024-11-22 17:51:50,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2024-11-22 17:51:50,737 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 122 flow. Second operand 3 states and 190 transitions. [2024-11-22 17:51:50,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 59 transitions, 148 flow [2024-11-22 17:51:50,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 59 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:50,741 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 114 flow [2024-11-22 17:51:50,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2024-11-22 17:51:50,742 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -3 predicate places. [2024-11-22 17:51:50,742 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 114 flow [2024-11-22 17:51:50,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 17:51:50,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:50,743 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] [2024-11-22 17:51:50,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:51:50,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-22 17:51:50,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:50,745 INFO L85 PathProgramCache]: Analyzing trace with hash -508798528, now seen corresponding path program 1 times [2024-11-22 17:51:50,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:50,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915503635] [2024-11-22 17:51:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:50,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:50,821 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 17:51:50,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:50,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915503635] [2024-11-22 17:51:50,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915503635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:50,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:50,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:50,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791861002] [2024-11-22 17:51:50,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:50,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:50,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:50,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:50,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:50,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 75 [2024-11-22 17:51:50,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 17:51:50,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:50,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 75 [2024-11-22 17:51:50,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:50,881 INFO L124 PetriNetUnfolderBase]: 11/81 cut-off events. [2024-11-22 17:51:50,881 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:51:50,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 81 events. 11/81 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 141 event pairs, 8 based on Foata normal form. 3/79 useless extension candidates. Maximal degree in co-relation 97. Up to 24 conditions per place. [2024-11-22 17:51:50,882 INFO L140 encePairwiseOnDemand]: 73/75 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2024-11-22 17:51:50,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 55 transitions, 136 flow [2024-11-22 17:51:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2024-11-22 17:51:50,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8355555555555556 [2024-11-22 17:51:50,887 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 114 flow. Second operand 3 states and 188 transitions. [2024-11-22 17:51:50,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 55 transitions, 136 flow [2024-11-22 17:51:50,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 55 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:50,888 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-11-22 17:51:50,888 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-11-22 17:51:50,892 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -7 predicate places. [2024-11-22 17:51:50,892 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-11-22 17:51:50,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 17:51:50,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-22 17:51:50,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-22 17:51:50,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-22 17:51:50,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-22 17:51:50,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-22 17:51:50,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-22 17:51:50,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-22 17:51:50,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:51:50,898 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 17:51:50,904 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:51:50,904 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:51:50,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:51:50 BasicIcfg [2024-11-22 17:51:50,913 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:51:50,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:51:50,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:51:50,914 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:51:50,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:49" (3/4) ... [2024-11-22 17:51:50,917 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:51:50,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-22 17:51:50,925 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 17:51:50,925 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:51:50,925 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 17:51:50,926 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:51:51,005 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:51:51,008 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:51:51,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:51:51,009 INFO L158 Benchmark]: Toolchain (without parser) took 2193.90ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 81.5MB in the beginning and 160.5MB in the end (delta: -79.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:51:51,009 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:51:51,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.80ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 81.3MB in the beginning and 189.7MB in the end (delta: -108.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-22 17:51:51,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.60ms. Allocated memory is still 226.5MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:51,010 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 226.5MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:51,012 INFO L158 Benchmark]: RCFGBuilder took 389.74ms. Allocated memory is still 226.5MB. Free memory was 185.5MB in the beginning and 170.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:51:51,012 INFO L158 Benchmark]: TraceAbstraction took 1087.54ms. Allocated memory is still 226.5MB. Free memory was 169.8MB in the beginning and 164.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-22 17:51:51,012 INFO L158 Benchmark]: Witness Printer took 94.76ms. Allocated memory is still 226.5MB. Free memory was 164.7MB in the beginning and 160.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:51:51,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.80ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 81.3MB in the beginning and 189.7MB in the end (delta: -108.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.60ms. Allocated memory is still 226.5MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.25ms. Allocated memory is still 226.5MB. Free memory was 187.6MB in the beginning and 185.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.74ms. Allocated memory is still 226.5MB. Free memory was 185.5MB in the beginning and 170.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1087.54ms. Allocated memory is still 226.5MB. Free memory was 169.8MB in the beginning and 164.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 94.76ms. Allocated memory is still 226.5MB. Free memory was 164.7MB in the beginning and 160.5MB 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: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 114 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, 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, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:51:51,040 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