./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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:48:44,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:48:44,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:48:44,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:48:44,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:48:44,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:48:44,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:48:44,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:48:44,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:48:44,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:48:44,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:48:44,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:48:44,586 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:48:44,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:48:44,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:48:44,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:48:44,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:48:44,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:48:44,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:48:44,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:48:44,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:48:44,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:48:44,592 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:48:44,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:48:44,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:48:44,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:48:44,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:48:44,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:48:44,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:48:44,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:48:44,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:48:44,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:48:44,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:48:44,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:48:44,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:48:44,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-11-20 13:48:44,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:48:44,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:48:44,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:48:44,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:48:44,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:48:44,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-11-20 13:48:46,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:48:46,263 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:48:46,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-11-20 13:48:46,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f74171d8/b47bcf0e68ec4abc9374b4bc15fbe3a1/FLAG342abf795 [2024-11-20 13:48:46,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f74171d8/b47bcf0e68ec4abc9374b4bc15fbe3a1 [2024-11-20 13:48:46,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:48:46,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:48:46,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:48:46,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:48:46,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:48:46,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:48:46" (1/1) ... [2024-11-20 13:48:46,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e969d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:46, skipping insertion in model container [2024-11-20 13:48:46,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:48:46" (1/1) ... [2024-11-20 13:48:46,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:48:47,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:48:47,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:48:47,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:48:47,170 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:48:47,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47 WrapperNode [2024-11-20 13:48:47,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:48:47,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:48:47,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:48:47,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:48:47,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,225 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 181 [2024-11-20 13:48:47,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:48:47,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:48:47,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:48:47,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:48:47,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:48:47,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:48:47,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:48:47,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:48:47,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (1/1) ... [2024-11-20 13:48:47,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:48:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:48:47,288 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) [2024-11-20 13:48:47,290 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 [2024-11-20 13:48:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-20 13:48:47,318 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-20 13:48:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-20 13:48:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-20 13:48:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:48:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:48:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:48:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:48:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:48:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:48:47,320 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:48:47,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:48:47,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:48:47,695 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:48:47,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:48:47,722 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:48:47,722 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:48:47,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:47 BoogieIcfgContainer [2024-11-20 13:48:47,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:48:47,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:48:47,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:48:47,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:48:47,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:48:46" (1/3) ... [2024-11-20 13:48:47,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d7aff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:48:47, skipping insertion in model container [2024-11-20 13:48:47,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:47" (2/3) ... [2024-11-20 13:48:47,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d7aff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:48:47, skipping insertion in model container [2024-11-20 13:48:47,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:47" (3/3) ... [2024-11-20 13:48:47,731 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-11-20 13:48:47,743 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:48:47,743 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-20 13:48:47,743 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:48:47,788 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:48:47,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 207 transitions, 428 flow [2024-11-20 13:48:47,903 INFO L124 PetriNetUnfolderBase]: 2/205 cut-off events. [2024-11-20 13:48:47,904 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:48:47,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 205 events. 2/205 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 184. Up to 2 conditions per place. [2024-11-20 13:48:47,909 INFO L82 GeneralOperation]: Start removeDead. Operand has 212 places, 207 transitions, 428 flow [2024-11-20 13:48:47,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 199 transitions, 407 flow [2024-11-20 13:48:47,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:48:47,926 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;@6b22aa0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:48:47,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-20 13:48:47,956 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:48:47,957 INFO L124 PetriNetUnfolderBase]: 0/144 cut-off events. [2024-11-20 13:48:47,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:48:47,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:47,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:47,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-20 13:48:47,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash -370469074, now seen corresponding path program 1 times [2024-11-20 13:48:47,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:47,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949243376] [2024-11-20 13:48:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:47,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:48,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:48,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949243376] [2024-11-20 13:48:48,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949243376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:48,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:48,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:48,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512275469] [2024-11-20 13:48:48,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:48,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:48,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:48,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:48,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:48,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-20 13:48:48,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 199 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2024-11-20 13:48:48,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:48,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-20 13:48:48,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:48,559 INFO L124 PetriNetUnfolderBase]: 50/417 cut-off events. [2024-11-20 13:48:48,560 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-20 13:48:48,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 417 events. 50/417 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1377 event pairs, 40 based on Foata normal form. 10/397 useless extension candidates. Maximal degree in co-relation 414. Up to 103 conditions per place. [2024-11-20 13:48:48,564 INFO L140 encePairwiseOnDemand]: 200/207 looper letters, 20 selfloop transitions, 4 changer transitions 0/201 dead transitions. [2024-11-20 13:48:48,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 201 transitions, 462 flow [2024-11-20 13:48:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2024-11-20 13:48:48,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-11-20 13:48:48,585 INFO L175 Difference]: Start difference. First operand has 204 places, 199 transitions, 407 flow. Second operand 3 states and 582 transitions. [2024-11-20 13:48:48,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 201 transitions, 462 flow [2024-11-20 13:48:48,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 201 transitions, 456 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 13:48:48,593 INFO L231 Difference]: Finished difference. Result has 203 places, 198 transitions, 424 flow [2024-11-20 13:48:48,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=203, PETRI_TRANSITIONS=198} [2024-11-20 13:48:48,599 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -1 predicate places. [2024-11-20 13:48:48,599 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 198 transitions, 424 flow [2024-11-20 13:48:48,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2024-11-20 13:48:48,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:48,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:48,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:48:48,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-20 13:48:48,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:48,601 INFO L85 PathProgramCache]: Analyzing trace with hash 823477817, now seen corresponding path program 1 times [2024-11-20 13:48:48,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:48,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897402934] [2024-11-20 13:48:48,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:48,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:48,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:48,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897402934] [2024-11-20 13:48:48,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897402934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:48,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:48,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:48,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235857895] [2024-11-20 13:48:48,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:48,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:48,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:48,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:48,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:48,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-20 13:48:48,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 198 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-11-20 13:48:48,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:48,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-20 13:48:48,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:48,858 INFO L124 PetriNetUnfolderBase]: 51/443 cut-off events. [2024-11-20 13:48:48,858 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-20 13:48:48,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 443 events. 51/443 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1578 event pairs, 29 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 400. Up to 87 conditions per place. [2024-11-20 13:48:48,862 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 21 selfloop transitions, 6 changer transitions 0/206 dead transitions. [2024-11-20 13:48:48,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 206 transitions, 498 flow [2024-11-20 13:48:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 583 transitions. [2024-11-20 13:48:48,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9388083735909822 [2024-11-20 13:48:48,864 INFO L175 Difference]: Start difference. First operand has 203 places, 198 transitions, 424 flow. Second operand 3 states and 583 transitions. [2024-11-20 13:48:48,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 206 transitions, 498 flow [2024-11-20 13:48:48,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 206 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:48,870 INFO L231 Difference]: Finished difference. Result has 205 places, 203 transitions, 466 flow [2024-11-20 13:48:48,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=205, PETRI_TRANSITIONS=203} [2024-11-20 13:48:48,871 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, 1 predicate places. [2024-11-20 13:48:48,871 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 203 transitions, 466 flow [2024-11-20 13:48:48,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-11-20 13:48:48,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:48,872 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:48,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:48:48,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-20 13:48:48,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:48,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1325247062, now seen corresponding path program 1 times [2024-11-20 13:48:48,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:48,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365737428] [2024-11-20 13:48:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:48,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:48,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365737428] [2024-11-20 13:48:48,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365737428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:48,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:48,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:48,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584400694] [2024-11-20 13:48:48,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:48,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:49,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:49,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:49,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:49,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-20 13:48:49,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 203 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2024-11-20 13:48:49,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:49,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-20 13:48:49,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:49,118 INFO L124 PetriNetUnfolderBase]: 98/617 cut-off events. [2024-11-20 13:48:49,119 INFO L125 PetriNetUnfolderBase]: For 160/174 co-relation queries the response was YES. [2024-11-20 13:48:49,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 617 events. 98/617 cut-off events. For 160/174 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2643 event pairs, 46 based on Foata normal form. 2/574 useless extension candidates. Maximal degree in co-relation 781. Up to 177 conditions per place. [2024-11-20 13:48:49,123 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 22 selfloop transitions, 11 changer transitions 2/216 dead transitions. [2024-11-20 13:48:49,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 216 transitions, 581 flow [2024-11-20 13:48:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2024-11-20 13:48:49,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-20 13:48:49,127 INFO L175 Difference]: Start difference. First operand has 205 places, 203 transitions, 466 flow. Second operand 3 states and 585 transitions. [2024-11-20 13:48:49,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 216 transitions, 581 flow [2024-11-20 13:48:49,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 216 transitions, 561 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:49,133 INFO L231 Difference]: Finished difference. Result has 207 places, 211 transitions, 542 flow [2024-11-20 13:48:49,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=207, PETRI_TRANSITIONS=211} [2024-11-20 13:48:49,135 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, 3 predicate places. [2024-11-20 13:48:49,135 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 211 transitions, 542 flow [2024-11-20 13:48:49,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2024-11-20 13:48:49,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:49,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:49,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:48:49,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-20 13:48:49,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash 403010701, now seen corresponding path program 1 times [2024-11-20 13:48:49,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:49,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824883594] [2024-11-20 13:48:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:49,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:49,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824883594] [2024-11-20 13:48:49,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824883594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:49,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:49,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:48:49,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505104965] [2024-11-20 13:48:49,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:49,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:49,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:49,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:49,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:49,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 207 [2024-11-20 13:48:49,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 211 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2024-11-20 13:48:49,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:49,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 207 [2024-11-20 13:48:49,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:49,370 INFO L124 PetriNetUnfolderBase]: 8/293 cut-off events. [2024-11-20 13:48:49,371 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-20 13:48:49,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 293 events. 8/293 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 446 event pairs, 5 based on Foata normal form. 4/291 useless extension candidates. Maximal degree in co-relation 293. Up to 18 conditions per place. [2024-11-20 13:48:49,372 INFO L140 encePairwiseOnDemand]: 201/207 looper letters, 4 selfloop transitions, 5 changer transitions 6/193 dead transitions. [2024-11-20 13:48:49,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 193 transitions, 455 flow [2024-11-20 13:48:49,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2024-11-20 13:48:49,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2024-11-20 13:48:49,373 INFO L175 Difference]: Start difference. First operand has 207 places, 211 transitions, 542 flow. Second operand 3 states and 594 transitions. [2024-11-20 13:48:49,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 193 transitions, 455 flow [2024-11-20 13:48:49,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 193 transitions, 417 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-20 13:48:49,377 INFO L231 Difference]: Finished difference. Result has 197 places, 186 transitions, 385 flow [2024-11-20 13:48:49,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=197, PETRI_TRANSITIONS=186} [2024-11-20 13:48:49,379 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -7 predicate places. [2024-11-20 13:48:49,379 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 186 transitions, 385 flow [2024-11-20 13:48:49,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2024-11-20 13:48:49,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:49,380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:49,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:48:49,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-20 13:48:49,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:49,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1151793189, now seen corresponding path program 1 times [2024-11-20 13:48:49,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:49,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044854418] [2024-11-20 13:48:49,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:48:49,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:49,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044854418] [2024-11-20 13:48:49,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044854418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:49,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:49,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:49,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846108014] [2024-11-20 13:48:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:49,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:49,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:49,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:49,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:49,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2024-11-20 13:48:49,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 186 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 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) [2024-11-20 13:48:49,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:49,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2024-11-20 13:48:49,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:49,502 INFO L124 PetriNetUnfolderBase]: 11/265 cut-off events. [2024-11-20 13:48:49,502 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-20 13:48:49,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 265 events. 11/265 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 436 event pairs, 9 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 121. Up to 41 conditions per place. [2024-11-20 13:48:49,503 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 0 selfloop transitions, 0 changer transitions 186/186 dead transitions. [2024-11-20 13:48:49,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 186 transitions, 419 flow [2024-11-20 13:48:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2024-11-20 13:48:49,505 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9210950080515298 [2024-11-20 13:48:49,505 INFO L175 Difference]: Start difference. First operand has 197 places, 186 transitions, 385 flow. Second operand 3 states and 572 transitions. [2024-11-20 13:48:49,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 186 transitions, 419 flow [2024-11-20 13:48:49,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 186 transitions, 414 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:48:49,507 INFO L231 Difference]: Finished difference. Result has 192 places, 0 transitions, 0 flow [2024-11-20 13:48:49,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=192, PETRI_TRANSITIONS=0} [2024-11-20 13:48:49,509 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -12 predicate places. [2024-11-20 13:48:49,509 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 0 transitions, 0 flow [2024-11-20 13:48:49,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 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) [2024-11-20 13:48:49,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-11-20 13:48:49,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2024-11-20 13:48:49,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-20 13:48:49,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-20 13:48:49,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-20 13:48:49,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-20 13:48:49,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:48:49,516 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 13:48:49,520 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:48:49,520 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:48:49,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:48:49 BasicIcfg [2024-11-20 13:48:49,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:48:49,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:48:49,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:48:49,525 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:48:49,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:47" (3/4) ... [2024-11-20 13:48:49,526 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:48:49,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-20 13:48:49,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-20 13:48:49,532 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-20 13:48:49,532 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-20 13:48:49,533 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:48:49,533 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:48:49,602 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:48:49,603 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:48:49,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:48:49,603 INFO L158 Benchmark]: Toolchain (without parser) took 2993.50ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 90.4MB in the beginning and 80.0MB in the end (delta: 10.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,604 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 104.9MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:48:49,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.99ms. Allocated memory is still 161.5MB. Free memory was 90.2MB in the beginning and 95.3MB in the end (delta: -5.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.35ms. Allocated memory is still 161.5MB. Free memory was 94.9MB in the beginning and 91.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,604 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 161.5MB. Free memory was 91.7MB in the beginning and 89.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,604 INFO L158 Benchmark]: RCFGBuilder took 465.95ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 62.9MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,605 INFO L158 Benchmark]: TraceAbstraction took 1798.98ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 62.3MB in the beginning and 85.2MB in the end (delta: -22.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,605 INFO L158 Benchmark]: Witness Printer took 78.25ms. Allocated memory is still 216.0MB. Free memory was 85.2MB in the beginning and 80.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:48:49,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.07ms. Allocated memory is still 104.9MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.99ms. Allocated memory is still 161.5MB. Free memory was 90.2MB in the beginning and 95.3MB in the end (delta: -5.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.35ms. Allocated memory is still 161.5MB. Free memory was 94.9MB in the beginning and 91.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 161.5MB. Free memory was 91.7MB in the beginning and 89.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.95ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 62.9MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1798.98ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 62.3MB in the beginning and 85.2MB in the end (delta: -22.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Witness Printer took 78.25ms. Allocated memory is still 216.0MB. Free memory was 85.2MB in the beginning and 80.0MB in the end (delta: 5.2MB). 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, 265 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 40 mSDtfsCounter, 215 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=542occurred 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, 0.5s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 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! [2024-11-20 13:48:49,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE