./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/weaver/popl20-send-receive-alt.wvr.c --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/weaver/popl20-send-receive-alt.wvr.c -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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:15:10,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:15:10,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:15:10,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:15:10,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:15:10,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:15:10,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:15:10,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:15:10,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:15:10,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:15:10,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:15:10,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:15:10,200 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:15:10,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:15:10,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:15:10,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:15:10,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:15:10,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:15:10,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:15:10,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:15:10,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:15:10,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:15:10,206 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:15:10,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:15:10,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:15:10,206 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:15:10,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:15:10,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:15:10,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:15:10,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:15:10,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:15:10,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:15:10,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:15:10,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:15:10,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:15:10,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:15:10,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:15:10,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:15:10,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:15:10,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:15:10,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:15:10,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2024-10-14 17:15:10,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:15:10,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:15:10,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:15:10,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:15:10,436 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:15:10,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2024-10-14 17:15:11,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:15:11,859 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:15:11,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2024-10-14 17:15:11,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35087931c/910a236b7d4f4070adbe13a7f6cea7f7/FLAG616bd38ff [2024-10-14 17:15:12,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35087931c/910a236b7d4f4070adbe13a7f6cea7f7 [2024-10-14 17:15:12,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:15:12,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:15:12,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:15:12,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:15:12,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:15:12,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3447c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12, skipping insertion in model container [2024-10-14 17:15:12,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:15:12,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:15:12,519 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:15:12,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:15:12,607 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:15:12,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12 WrapperNode [2024-10-14 17:15:12,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:15:12,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:15:12,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:15:12,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:15:12,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,676 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 255 [2024-10-14 17:15:12,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:15:12,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:15:12,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:15:12,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:15:12,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:15:12,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:15:12,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:15:12,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:15:12,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (1/1) ... [2024-10-14 17:15:12,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:15:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:15:12,735 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 17:15:12,737 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 17:15:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:15:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:15:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:15:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:15:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:15:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:15:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:15:12,771 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 17:15:12,856 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:15:12,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:15:13,381 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:15:13,386 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:15:13,719 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:15:13,720 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-14 17:15:13,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:13 BoogieIcfgContainer [2024-10-14 17:15:13,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:15:13,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:15:13,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:15:13,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:15:13,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:15:12" (1/3) ... [2024-10-14 17:15:13,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6629cefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:15:13, skipping insertion in model container [2024-10-14 17:15:13,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:12" (2/3) ... [2024-10-14 17:15:13,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6629cefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:15:13, skipping insertion in model container [2024-10-14 17:15:13,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:13" (3/3) ... [2024-10-14 17:15:13,726 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-10-14 17:15:13,739 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:15:13,739 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-10-14 17:15:13,739 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:15:13,790 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 17:15:13,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 214 transitions, 442 flow [2024-10-14 17:15:13,880 INFO L124 PetriNetUnfolderBase]: 13/212 cut-off events. [2024-10-14 17:15:13,880 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:15:13,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 13/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 315 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2024-10-14 17:15:13,886 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 214 transitions, 442 flow [2024-10-14 17:15:13,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 192 transitions, 396 flow [2024-10-14 17:15:13,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:15:13,906 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;@14d1a46e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:15:13,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-10-14 17:15:13,912 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:15:13,913 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-14 17:15:13,913 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:15:13,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:13,913 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] [2024-10-14 17:15:13,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:13,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:13,917 INFO L85 PathProgramCache]: Analyzing trace with hash 195678377, now seen corresponding path program 1 times [2024-10-14 17:15:13,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:13,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476057816] [2024-10-14 17:15:13,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:13,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,052 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 17:15:14,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476057816] [2024-10-14 17:15:14,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476057816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699652543] [2024-10-14 17:15:14,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-10-14 17:15:14,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 192 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 17:15:14,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-10-14 17:15:14,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,187 INFO L124 PetriNetUnfolderBase]: 17/204 cut-off events. [2024-10-14 17:15:14,187 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-14 17:15:14,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 204 events. 17/204 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 327 event pairs, 4 based on Foata normal form. 14/191 useless extension candidates. Maximal degree in co-relation 125. Up to 30 conditions per place. [2024-10-14 17:15:14,190 INFO L140 encePairwiseOnDemand]: 183/214 looper letters, 12 selfloop transitions, 2 changer transitions 2/163 dead transitions. [2024-10-14 17:15:14,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 163 transitions, 366 flow [2024-10-14 17:15:14,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2024-10-14 17:15:14,205 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8520249221183801 [2024-10-14 17:15:14,208 INFO L175 Difference]: Start difference. First operand has 188 places, 192 transitions, 396 flow. Second operand 3 states and 547 transitions. [2024-10-14 17:15:14,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 163 transitions, 366 flow [2024-10-14 17:15:14,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 163 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 17:15:14,216 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 330 flow [2024-10-14 17:15:14,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2024-10-14 17:15:14,220 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -25 predicate places. [2024-10-14 17:15:14,222 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 330 flow [2024-10-14 17:15:14,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 17:15:14,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:14,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:15:14,224 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:14,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,225 INFO L85 PathProgramCache]: Analyzing trace with hash 833219991, now seen corresponding path program 1 times [2024-10-14 17:15:14,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396478183] [2024-10-14 17:15:14,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,284 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 17:15:14,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396478183] [2024-10-14 17:15:14,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396478183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584717981] [2024-10-14 17:15:14,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 214 [2024-10-14 17:15:14,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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 17:15:14,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 214 [2024-10-14 17:15:14,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,369 INFO L124 PetriNetUnfolderBase]: 13/187 cut-off events. [2024-10-14 17:15:14,375 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:15:14,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 187 events. 13/187 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 244 event pairs, 2 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 188. Up to 23 conditions per place. [2024-10-14 17:15:14,376 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 11 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2024-10-14 17:15:14,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 160 transitions, 354 flow [2024-10-14 17:15:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2024-10-14 17:15:14,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8115264797507789 [2024-10-14 17:15:14,382 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 330 flow. Second operand 3 states and 521 transitions. [2024-10-14 17:15:14,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 160 transitions, 354 flow [2024-10-14 17:15:14,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 160 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:14,385 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 328 flow [2024-10-14 17:15:14,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2024-10-14 17:15:14,389 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-10-14 17:15:14,389 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 328 flow [2024-10-14 17:15:14,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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 17:15:14,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,389 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] [2024-10-14 17:15:14,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:15:14,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:14,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1254830034, now seen corresponding path program 1 times [2024-10-14 17:15:14,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820466856] [2024-10-14 17:15:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,463 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 17:15:14,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820466856] [2024-10-14 17:15:14,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820466856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761412218] [2024-10-14 17:15:14,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 214 [2024-10-14 17:15:14,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 17:15:14,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 214 [2024-10-14 17:15:14,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,536 INFO L124 PetriNetUnfolderBase]: 14/206 cut-off events. [2024-10-14 17:15:14,537 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 17:15:14,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 206 events. 14/206 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 1 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 202. Up to 16 conditions per place. [2024-10-14 17:15:14,538 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 14 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-10-14 17:15:14,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 165 transitions, 373 flow [2024-10-14 17:15:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2024-10-14 17:15:14,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8348909657320872 [2024-10-14 17:15:14,543 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 328 flow. Second operand 3 states and 536 transitions. [2024-10-14 17:15:14,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 165 transitions, 373 flow [2024-10-14 17:15:14,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 165 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:14,551 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 332 flow [2024-10-14 17:15:14,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2024-10-14 17:15:14,552 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-10-14 17:15:14,552 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 332 flow [2024-10-14 17:15:14,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 17:15:14,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,552 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 17:15:14,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:15:14,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:14,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1872355614, now seen corresponding path program 1 times [2024-10-14 17:15:14,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401953735] [2024-10-14 17:15:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,595 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 17:15:14,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401953735] [2024-10-14 17:15:14,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401953735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824183805] [2024-10-14 17:15:14,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-10-14 17:15:14,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 17:15:14,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-10-14 17:15:14,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,648 INFO L124 PetriNetUnfolderBase]: 22/235 cut-off events. [2024-10-14 17:15:14,648 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-14 17:15:14,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 235 events. 22/235 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 579 event pairs, 10 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 152. Up to 43 conditions per place. [2024-10-14 17:15:14,650 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-14 17:15:14,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 159 transitions, 360 flow [2024-10-14 17:15:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-10-14 17:15:14,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8084112149532711 [2024-10-14 17:15:14,651 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 332 flow. Second operand 3 states and 519 transitions. [2024-10-14 17:15:14,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 159 transitions, 360 flow [2024-10-14 17:15:14,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:14,653 INFO L231 Difference]: Finished difference. Result has 160 places, 159 transitions, 332 flow [2024-10-14 17:15:14,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=159} [2024-10-14 17:15:14,654 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-10-14 17:15:14,655 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 332 flow [2024-10-14 17:15:14,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 17:15:14,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,655 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 17:15:14,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:15:14,655 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:14,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,656 INFO L85 PathProgramCache]: Analyzing trace with hash -605156922, now seen corresponding path program 1 times [2024-10-14 17:15:14,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592245609] [2024-10-14 17:15:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,677 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 17:15:14,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592245609] [2024-10-14 17:15:14,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592245609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674833840] [2024-10-14 17:15:14,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-10-14 17:15:14,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 17:15:14,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-10-14 17:15:14,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,718 INFO L124 PetriNetUnfolderBase]: 28/260 cut-off events. [2024-10-14 17:15:14,718 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-14 17:15:14,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 260 events. 28/260 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 671 event pairs, 10 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 279. Up to 45 conditions per place. [2024-10-14 17:15:14,719 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 12 selfloop transitions, 1 changer transitions 0/157 dead transitions. [2024-10-14 17:15:14,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 354 flow [2024-10-14 17:15:14,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-10-14 17:15:14,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-10-14 17:15:14,720 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 332 flow. Second operand 3 states and 524 transitions. [2024-10-14 17:15:14,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 354 flow [2024-10-14 17:15:14,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:14,722 INFO L231 Difference]: Finished difference. Result has 158 places, 157 transitions, 326 flow [2024-10-14 17:15:14,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=158, PETRI_TRANSITIONS=157} [2024-10-14 17:15:14,723 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -30 predicate places. [2024-10-14 17:15:14,723 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 157 transitions, 326 flow [2024-10-14 17:15:14,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 17:15:14,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,724 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] [2024-10-14 17:15:14,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:15:14,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:14,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1023784061, now seen corresponding path program 1 times [2024-10-14 17:15:14,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902292715] [2024-10-14 17:15:14,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:14,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902292715] [2024-10-14 17:15:14,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902292715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120029540] [2024-10-14 17:15:14,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-10-14 17:15:14,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 17:15:14,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-10-14 17:15:14,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,830 INFO L124 PetriNetUnfolderBase]: 16/221 cut-off events. [2024-10-14 17:15:14,831 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-14 17:15:14,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 221 events. 16/221 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 466 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 217. Up to 27 conditions per place. [2024-10-14 17:15:14,831 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 11 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-10-14 17:15:14,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 156 transitions, 350 flow [2024-10-14 17:15:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2024-10-14 17:15:14,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8146417445482866 [2024-10-14 17:15:14,836 INFO L175 Difference]: Start difference. First operand has 158 places, 157 transitions, 326 flow. Second operand 3 states and 523 transitions. [2024-10-14 17:15:14,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 156 transitions, 350 flow [2024-10-14 17:15:14,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 156 transitions, 349 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:14,838 INFO L231 Difference]: Finished difference. Result has 158 places, 156 transitions, 327 flow [2024-10-14 17:15:14,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=158, PETRI_TRANSITIONS=156} [2024-10-14 17:15:14,839 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -30 predicate places. [2024-10-14 17:15:14,839 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 156 transitions, 327 flow [2024-10-14 17:15:14,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 17:15:14,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,843 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] [2024-10-14 17:15:14,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:15:14,843 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:14,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1916232922, now seen corresponding path program 1 times [2024-10-14 17:15:14,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996408243] [2024-10-14 17:15:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:15,387 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 17:15:15,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:15,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996408243] [2024-10-14 17:15:15,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996408243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:15,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:15,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:15:15,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974236283] [2024-10-14 17:15:15,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:15,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:15:15,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:15,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:15:15,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:15:15,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 214 [2024-10-14 17:15:15,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 156 transitions, 327 flow. Second operand has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 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 17:15:15,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:15,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 214 [2024-10-14 17:15:15,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:15,548 INFO L124 PetriNetUnfolderBase]: 16/220 cut-off events. [2024-10-14 17:15:15,548 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-14 17:15:15,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 220 events. 16/220 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 464 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 227. Up to 32 conditions per place. [2024-10-14 17:15:15,549 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 16 selfloop transitions, 5 changer transitions 0/155 dead transitions. [2024-10-14 17:15:15,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 155 transitions, 367 flow [2024-10-14 17:15:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:15:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:15:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 999 transitions. [2024-10-14 17:15:15,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7780373831775701 [2024-10-14 17:15:15,551 INFO L175 Difference]: Start difference. First operand has 158 places, 156 transitions, 327 flow. Second operand 6 states and 999 transitions. [2024-10-14 17:15:15,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 155 transitions, 367 flow [2024-10-14 17:15:15,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 363 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:15,553 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 331 flow [2024-10-14 17:15:15,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=331, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-10-14 17:15:15,554 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-10-14 17:15:15,554 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 331 flow [2024-10-14 17:15:15,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 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 17:15:15,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:15,555 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] [2024-10-14 17:15:15,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:15:15,555 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:15,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:15,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1096416572, now seen corresponding path program 1 times [2024-10-14 17:15:15,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:15,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287741330] [2024-10-14 17:15:15,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:15,586 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 17:15:15,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:15,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287741330] [2024-10-14 17:15:15,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287741330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:15,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:15,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:15,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773572228] [2024-10-14 17:15:15,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:15,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:15,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:15,596 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-10-14 17:15:15,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 17:15:15,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:15,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-10-14 17:15:15,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:15,653 INFO L124 PetriNetUnfolderBase]: 35/296 cut-off events. [2024-10-14 17:15:15,653 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-10-14 17:15:15,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 296 events. 35/296 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 919 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 367. Up to 45 conditions per place. [2024-10-14 17:15:15,654 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 14 selfloop transitions, 5 changer transitions 0/159 dead transitions. [2024-10-14 17:15:15,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 159 transitions, 384 flow [2024-10-14 17:15:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-10-14 17:15:15,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.82398753894081 [2024-10-14 17:15:15,656 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 331 flow. Second operand 3 states and 529 transitions. [2024-10-14 17:15:15,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 159 transitions, 384 flow [2024-10-14 17:15:15,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 159 transitions, 374 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:15:15,659 INFO L231 Difference]: Finished difference. Result has 156 places, 156 transitions, 348 flow [2024-10-14 17:15:15,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=156, PETRI_TRANSITIONS=156} [2024-10-14 17:15:15,659 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -32 predicate places. [2024-10-14 17:15:15,659 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 156 transitions, 348 flow [2024-10-14 17:15:15,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 17:15:15,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:15,660 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] [2024-10-14 17:15:15,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:15:15,660 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-14 17:15:15,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:15,661 INFO L85 PathProgramCache]: Analyzing trace with hash -651796821, now seen corresponding path program 1 times [2024-10-14 17:15:15,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:15,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647048105] [2024-10-14 17:15:15,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:15,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:15,690 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 17:15:15,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:15,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647048105] [2024-10-14 17:15:15,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647048105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:15,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:15,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:15,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883171635] [2024-10-14 17:15:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:15,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:15,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:15,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:15,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:15,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 214 [2024-10-14 17:15:15,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 156 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 17:15:15,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:15,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 214 [2024-10-14 17:15:15,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:15,724 INFO L124 PetriNetUnfolderBase]: 18/239 cut-off events. [2024-10-14 17:15:15,724 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-10-14 17:15:15,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 239 events. 18/239 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 514 event pairs, 3 based on Foata normal form. 3/225 useless extension candidates. Maximal degree in co-relation 274. Up to 29 conditions per place. [2024-10-14 17:15:15,725 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 0 selfloop transitions, 0 changer transitions 154/154 dead transitions. [2024-10-14 17:15:15,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 370 flow [2024-10-14 17:15:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2024-10-14 17:15:15,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8177570093457944 [2024-10-14 17:15:15,726 INFO L175 Difference]: Start difference. First operand has 156 places, 156 transitions, 348 flow. Second operand 3 states and 525 transitions. [2024-10-14 17:15:15,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 370 flow [2024-10-14 17:15:15,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:15,728 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2024-10-14 17:15:15,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2024-10-14 17:15:15,728 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -33 predicate places. [2024-10-14 17:15:15,729 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2024-10-14 17:15:15,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 17:15:15,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2024-10-14 17:15:15,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-10-14 17:15:15,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-10-14 17:15:15,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-10-14 17:15:15,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-10-14 17:15:15,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-10-14 17:15:15,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-10-14 17:15:15,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-10-14 17:15:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-10-14 17:15:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-10-14 17:15:15,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-10-14 17:15:15,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-10-14 17:15:15,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:15:15,739 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:15,743 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:15:15,743 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:15:15,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:15:15 BasicIcfg [2024-10-14 17:15:15,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:15:15,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:15:15,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:15:15,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:15:15,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:13" (3/4) ... [2024-10-14 17:15:15,748 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:15:15,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:15:15,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:15:15,753 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 17:15:15,753 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:15:15,754 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:15:15,754 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:15:15,809 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:15:15,809 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:15:15,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:15:15,809 INFO L158 Benchmark]: Toolchain (without parser) took 3531.16ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 76.5MB in the beginning and 159.2MB in the end (delta: -82.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-10-14 17:15:15,809 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:15:15,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.71ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 117.4MB in the end (delta: -41.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-10-14 17:15:15,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.64ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 117.4MB in the beginning and 207.4MB in the end (delta: -90.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-10-14 17:15:15,810 INFO L158 Benchmark]: Boogie Preprocessor took 25.65ms. Allocated memory is still 237.0MB. Free memory was 207.4MB in the beginning and 205.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:15:15,810 INFO L158 Benchmark]: RCFGBuilder took 1016.87ms. Allocated memory is still 237.0MB. Free memory was 205.3MB in the beginning and 139.2MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-10-14 17:15:15,810 INFO L158 Benchmark]: TraceAbstraction took 2025.04ms. Allocated memory is still 237.0MB. Free memory was 138.2MB in the beginning and 164.4MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:15:15,810 INFO L158 Benchmark]: Witness Printer took 62.18ms. Allocated memory is still 237.0MB. Free memory was 164.4MB in the beginning and 159.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:15:15,812 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 146.8MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.71ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 117.4MB in the end (delta: -41.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.64ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 117.4MB in the beginning and 207.4MB in the end (delta: -90.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.65ms. Allocated memory is still 237.0MB. Free memory was 207.4MB in the beginning and 205.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1016.87ms. Allocated memory is still 237.0MB. Free memory was 205.3MB in the beginning and 139.2MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2025.04ms. Allocated memory is still 237.0MB. Free memory was 138.2MB in the beginning and 164.4MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.18ms. Allocated memory is still 237.0MB. Free memory was 164.4MB in the beginning and 159.2MB 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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, 270 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 34 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 0.7s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 493 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:15:15,840 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