./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_52-refine-protected-loop2-small_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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_52-refine-protected-loop2-small_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 8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:07:42,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:07:42,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:07:42,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:07:42,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:07:42,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:07:42,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:07:42,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:07:42,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:07:42,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:07:42,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:07:42,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:07:42,650 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:07:42,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:07:42,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:07:42,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:07:42,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:07:42,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:07:42,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:07:42,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:07:42,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:07:42,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:07:42,656 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:07:42,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:07:42,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:07:42,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:07:42,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:07:42,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:07:42,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:07:42,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:07:42,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:07:42,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:07:42,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:07:42,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:07:42,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:07:42,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:07:42,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:07:42,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:07:42,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:07:42,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:07:42,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:07:42,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8627cbce136f39d723fc0eaadf7d8371bf261a07ec5ac59da2e79df34069083d [2024-10-14 17:07:42,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:07:42,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:07:42,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:07:42,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:07:42,889 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:07:42,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-10-14 17:07:44,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:07:44,393 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:07:44,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-10-14 17:07:44,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfbc16b7/e9ca7aeafa734df286a175617ce3bdb7/FLAGc6bc06d5c [2024-10-14 17:07:44,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfbc16b7/e9ca7aeafa734df286a175617ce3bdb7 [2024-10-14 17:07:44,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:07:44,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:07:44,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:07:44,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:07:44,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:07:44,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76453d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44, skipping insertion in model container [2024-10-14 17:07:44,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:07:44,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:07:44,753 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:07:44,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:07:44,862 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:07:44,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44 WrapperNode [2024-10-14 17:07:44,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:07:44,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:07:44,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:07:44,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:07:44,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,915 INFO L138 Inliner]: procedures = 162, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-10-14 17:07:44,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:07:44,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:07:44,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:07:44,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:07:44,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:07:44,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:07:44,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:07:44,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:07:44,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (1/1) ... [2024-10-14 17:07:44,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:07:44,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:07:44,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:07:44,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:07:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-10-14 17:07:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-10-14 17:07:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:07:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:07:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:07:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:07:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:07:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:07:45,006 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:07:45,105 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:07:45,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:07:45,211 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:07:45,212 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:07:45,229 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:07:45,229 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 17:07:45,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:07:45 BoogieIcfgContainer [2024-10-14 17:07:45,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:07:45,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:07:45,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:07:45,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:07:45,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:07:44" (1/3) ... [2024-10-14 17:07:45,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490c952c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:07:45, skipping insertion in model container [2024-10-14 17:07:45,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:44" (2/3) ... [2024-10-14 17:07:45,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490c952c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:07:45, skipping insertion in model container [2024-10-14 17:07:45,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:07:45" (3/3) ... [2024-10-14 17:07:45,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_52-refine-protected-loop2-small_true.i [2024-10-14 17:07:45,249 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:07:45,249 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-14 17:07:45,250 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:07:45,306 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 17:07:45,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 90 transitions, 184 flow [2024-10-14 17:07:45,379 INFO L124 PetriNetUnfolderBase]: 5/89 cut-off events. [2024-10-14 17:07:45,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:07:45,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 5/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2024-10-14 17:07:45,383 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 90 transitions, 184 flow [2024-10-14 17:07:45,386 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 85 transitions, 173 flow [2024-10-14 17:07:45,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:07:45,405 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;@30cf81c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:07:45,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-10-14 17:07:45,421 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:07:45,421 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-10-14 17:07:45,421 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:07:45,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:45,422 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] [2024-10-14 17:07:45,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-10-14 17:07:45,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1093320940, now seen corresponding path program 1 times [2024-10-14 17:07:45,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:45,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129491508] [2024-10-14 17:07:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:45,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:45,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129491508] [2024-10-14 17:07:45,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129491508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:45,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:45,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:45,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640924466] [2024-10-14 17:07:45,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:45,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:45,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:45,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:45,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:45,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 90 [2024-10-14 17:07:45,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:07:45,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:45,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 90 [2024-10-14 17:07:45,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:45,765 INFO L124 PetriNetUnfolderBase]: 2/80 cut-off events. [2024-10-14 17:07:45,765 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:07:45,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 80 events. 2/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 62. Up to 12 conditions per place. [2024-10-14 17:07:45,767 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 11 selfloop transitions, 2 changer transitions 3/80 dead transitions. [2024-10-14 17:07:45,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 80 transitions, 189 flow [2024-10-14 17:07:45,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2024-10-14 17:07:45,777 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8481481481481481 [2024-10-14 17:07:45,778 INFO L175 Difference]: Start difference. First operand has 85 places, 85 transitions, 173 flow. Second operand 3 states and 229 transitions. [2024-10-14 17:07:45,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 80 transitions, 189 flow [2024-10-14 17:07:45,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 80 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:07:45,784 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 160 flow [2024-10-14 17:07:45,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2024-10-14 17:07:45,789 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -2 predicate places. [2024-10-14 17:07:45,789 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 160 flow [2024-10-14 17:07:45,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:07:45,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:45,789 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] [2024-10-14 17:07:45,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:07:45,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-10-14 17:07:45,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1907590117, now seen corresponding path program 1 times [2024-10-14 17:07:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:45,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889112522] [2024-10-14 17:07:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:45,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:45,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:45,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889112522] [2024-10-14 17:07:45,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889112522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:45,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:45,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:45,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292216367] [2024-10-14 17:07:45,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:45,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:45,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:45,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:45,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:45,883 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-10-14 17:07:45,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:07:45,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:45,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-10-14 17:07:45,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:45,921 INFO L124 PetriNetUnfolderBase]: 2/86 cut-off events. [2024-10-14 17:07:45,921 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:07:45,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 86 events. 2/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 76. Up to 10 conditions per place. [2024-10-14 17:07:45,922 INFO L140 encePairwiseOnDemand]: 84/90 looper letters, 15 selfloop transitions, 3 changer transitions 0/79 dead transitions. [2024-10-14 17:07:45,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 79 transitions, 202 flow [2024-10-14 17:07:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:45,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2024-10-14 17:07:45,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2024-10-14 17:07:45,926 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 160 flow. Second operand 3 states and 228 transitions. [2024-10-14 17:07:45,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 79 transitions, 202 flow [2024-10-14 17:07:45,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 79 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:07:45,930 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 163 flow [2024-10-14 17:07:45,930 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2024-10-14 17:07:45,931 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -7 predicate places. [2024-10-14 17:07:45,931 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 163 flow [2024-10-14 17:07:45,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:07:45,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:45,932 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:07:45,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:07:45,933 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-10-14 17:07:45,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash -923156851, now seen corresponding path program 1 times [2024-10-14 17:07:45,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:45,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729779737] [2024-10-14 17:07:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:46,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:46,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729779737] [2024-10-14 17:07:46,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729779737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:46,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:46,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:46,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118971722] [2024-10-14 17:07:46,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:46,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:46,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:46,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:46,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:46,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 90 [2024-10-14 17:07:46,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:07:46,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:46,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 90 [2024-10-14 17:07:46,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:46,070 INFO L124 PetriNetUnfolderBase]: 2/85 cut-off events. [2024-10-14 17:07:46,071 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 17:07:46,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 85 events. 2/85 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 39 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 78. Up to 17 conditions per place. [2024-10-14 17:07:46,071 INFO L140 encePairwiseOnDemand]: 87/90 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2024-10-14 17:07:46,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 74 transitions, 189 flow [2024-10-14 17:07:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2024-10-14 17:07:46,073 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8407407407407408 [2024-10-14 17:07:46,073 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 163 flow. Second operand 3 states and 227 transitions. [2024-10-14 17:07:46,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 74 transitions, 189 flow [2024-10-14 17:07:46,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 74 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:07:46,074 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-10-14 17:07:46,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-10-14 17:07:46,075 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -7 predicate places. [2024-10-14 17:07:46,075 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-10-14 17:07:46,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:07:46,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-10-14 17:07:46,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-10-14 17:07:46,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-10-14 17:07:46,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-10-14 17:07:46,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-10-14 17:07:46,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-10-14 17:07:46,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-10-14 17:07:46,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-10-14 17:07:46,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-10-14 17:07:46,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-10-14 17:07:46,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-10-14 17:07:46,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:07:46,080 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 17:07:46,086 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:07:46,086 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:07:46,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:07:46 BasicIcfg [2024-10-14 17:07:46,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:07:46,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:07:46,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:07:46,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:07:46,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:07:45" (3/4) ... [2024-10-14 17:07:46,096 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:07:46,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-10-14 17:07:46,102 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-14 17:07:46,102 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:07:46,103 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:07:46,103 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:07:46,187 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:07:46,187 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:07:46,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:07:46,188 INFO L158 Benchmark]: Toolchain (without parser) took 1768.02ms. Allocated memory is still 184.5MB. Free memory was 111.0MB in the beginning and 55.1MB in the end (delta: 55.8MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-10-14 17:07:46,188 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:07:46,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.59ms. Allocated memory is still 184.5MB. Free memory was 110.7MB in the beginning and 149.2MB in the end (delta: -38.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-10-14 17:07:46,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.89ms. Allocated memory is still 184.5MB. Free memory was 149.2MB in the beginning and 147.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:07:46,192 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 145.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:07:46,192 INFO L158 Benchmark]: RCFGBuilder took 292.37ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 130.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 17:07:46,193 INFO L158 Benchmark]: TraceAbstraction took 861.11ms. Allocated memory is still 184.5MB. Free memory was 129.5MB in the beginning and 60.3MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-10-14 17:07:46,193 INFO L158 Benchmark]: Witness Printer took 93.31ms. Allocated memory is still 184.5MB. Free memory was 60.3MB in the beginning and 55.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:07:46,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.59ms. Allocated memory is still 184.5MB. Free memory was 110.7MB in the beginning and 149.2MB in the end (delta: -38.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.89ms. Allocated memory is still 184.5MB. Free memory was 149.2MB in the beginning and 147.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 145.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.37ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 130.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 861.11ms. Allocated memory is still 184.5MB. Free memory was 129.5MB in the beginning and 60.3MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 93.31ms. Allocated memory is still 184.5MB. Free memory was 60.3MB in the beginning and 55.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 135 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 20 mSDtfsCounter, 98 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=173occurred 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, 0.2s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:07:46,247 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