./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/test-easy7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy7.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:17:40,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:17:40,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:17:40,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:17:40,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:17:41,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:17:41,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:17:41,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:17:41,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:17:41,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:17:41,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:17:41,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:17:41,006 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:17:41,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:17:41,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:17:41,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:17:41,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:17:41,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:17:41,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:17:41,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:17:41,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:17:41,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:17:41,012 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:17:41,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:17:41,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:17:41,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:17:41,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:17:41,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:17:41,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:17:41,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:17:41,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:17:41,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:17:41,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:17:41,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:17:41,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:17:41,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:17:41,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:17:41,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:17:41,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:17:41,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:17:41,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:17:41,017 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f [2024-10-11 17:17:41,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:17:41,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:17:41,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:17:41,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:17:41,277 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:17:41,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy7.wvr.c [2024-10-11 17:17:42,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:17:42,788 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:17:42,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy7.wvr.c [2024-10-11 17:17:42,804 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d875bc356/9186dadb0d684c21804b52490df9169d/FLAG49ebafc4a [2024-10-11 17:17:42,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d875bc356/9186dadb0d684c21804b52490df9169d [2024-10-11 17:17:42,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:17:42,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:17:42,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:17:42,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:17:42,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:17:42,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:17:42" (1/1) ... [2024-10-11 17:17:42,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a97a70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:42, skipping insertion in model container [2024-10-11 17:17:42,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:17:42" (1/1) ... [2024-10-11 17:17:42,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:17:43,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:17:43,049 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:17:43,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:17:43,078 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:17:43,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43 WrapperNode [2024-10-11 17:17:43,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:17:43,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:17:43,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:17:43,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:17:43,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,105 INFO L138 Inliner]: procedures = 20, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-10-11 17:17:43,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:17:43,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:17:43,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:17:43,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:17:43,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:17:43,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:17:43,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:17:43,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:17:43,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (1/1) ... [2024-10-11 17:17:43,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:17:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:17:43,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:17:43,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:17:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:17:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:17:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:17:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:17:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:17:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:17:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:17:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:17:43,209 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:17:43,294 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:17:43,296 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:17:43,497 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:17:43,497 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:17:43,517 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:17:43,518 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:17:43,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:17:43 BoogieIcfgContainer [2024-10-11 17:17:43,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:17:43,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:17:43,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:17:43,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:17:43,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:17:42" (1/3) ... [2024-10-11 17:17:43,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760034cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:17:43, skipping insertion in model container [2024-10-11 17:17:43,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:17:43" (2/3) ... [2024-10-11 17:17:43,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760034cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:17:43, skipping insertion in model container [2024-10-11 17:17:43,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:17:43" (3/3) ... [2024-10-11 17:17:43,536 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2024-10-11 17:17:43,550 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:17:43,550 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-11 17:17:43,550 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:17:43,633 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:17:43,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 174 transitions, 362 flow [2024-10-11 17:17:43,734 INFO L124 PetriNetUnfolderBase]: 2/172 cut-off events. [2024-10-11 17:17:43,735 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:17:43,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 172 events. 2/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 150 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2024-10-11 17:17:43,739 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 174 transitions, 362 flow [2024-10-11 17:17:43,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 155 transitions, 322 flow [2024-10-11 17:17:43,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:17:43,767 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;@63c7f865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:17:43,767 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-10-11 17:17:43,771 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:17:43,771 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-10-11 17:17:43,771 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:17:43,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:43,772 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:43,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:43,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:43,779 INFO L85 PathProgramCache]: Analyzing trace with hash -367030163, now seen corresponding path program 1 times [2024-10-11 17:17:43,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:43,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531190014] [2024-10-11 17:17:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:43,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:43,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:43,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531190014] [2024-10-11 17:17:43,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531190014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:43,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:43,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:43,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511425642] [2024-10-11 17:17:43,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:43,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:43,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:44,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 174 [2024-10-11 17:17:44,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:44,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 174 [2024-10-11 17:17:44,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:44,141 INFO L124 PetriNetUnfolderBase]: 8/207 cut-off events. [2024-10-11 17:17:44,142 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2024-10-11 17:17:44,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 207 events. 8/207 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 402 event pairs, 8 based on Foata normal form. 1/172 useless extension candidates. Maximal degree in co-relation 185. Up to 34 conditions per place. [2024-10-11 17:17:44,149 INFO L140 encePairwiseOnDemand]: 170/174 looper letters, 17 selfloop transitions, 2 changer transitions 1/153 dead transitions. [2024-10-11 17:17:44,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 153 transitions, 356 flow [2024-10-11 17:17:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-10-11 17:17:44,164 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9022988505747126 [2024-10-11 17:17:44,166 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 322 flow. Second operand 3 states and 471 transitions. [2024-10-11 17:17:44,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 153 transitions, 356 flow [2024-10-11 17:17:44,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 153 transitions, 348 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:17:44,174 INFO L231 Difference]: Finished difference. Result has 158 places, 152 transitions, 312 flow [2024-10-11 17:17:44,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=158, PETRI_TRANSITIONS=152} [2024-10-11 17:17:44,180 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -3 predicate places. [2024-10-11 17:17:44,181 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 152 transitions, 312 flow [2024-10-11 17:17:44,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:44,181 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] [2024-10-11 17:17:44,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:17:44,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:44,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:44,182 INFO L85 PathProgramCache]: Analyzing trace with hash -529969003, now seen corresponding path program 1 times [2024-10-11 17:17:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:44,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562478415] [2024-10-11 17:17:44,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:44,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:44,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562478415] [2024-10-11 17:17:44,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562478415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:44,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:44,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:44,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697995479] [2024-10-11 17:17:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:44,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:44,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:44,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 174 [2024-10-11 17:17:44,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 152 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:44,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 174 [2024-10-11 17:17:44,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:44,330 INFO L124 PetriNetUnfolderBase]: 8/205 cut-off events. [2024-10-11 17:17:44,330 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:17:44,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 205 events. 8/205 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 501 event pairs, 8 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 230. Up to 34 conditions per place. [2024-10-11 17:17:44,332 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 17 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-10-11 17:17:44,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 151 transitions, 348 flow [2024-10-11 17:17:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2024-10-11 17:17:44,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9003831417624522 [2024-10-11 17:17:44,339 INFO L175 Difference]: Start difference. First operand has 158 places, 152 transitions, 312 flow. Second operand 3 states and 470 transitions. [2024-10-11 17:17:44,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 151 transitions, 348 flow [2024-10-11 17:17:44,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 151 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:44,343 INFO L231 Difference]: Finished difference. Result has 156 places, 151 transitions, 310 flow [2024-10-11 17:17:44,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=156, PETRI_TRANSITIONS=151} [2024-10-11 17:17:44,345 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -5 predicate places. [2024-10-11 17:17:44,345 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 151 transitions, 310 flow [2024-10-11 17:17:44,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:44,346 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] [2024-10-11 17:17:44,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:17:44,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:44,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:44,348 INFO L85 PathProgramCache]: Analyzing trace with hash -201508634, now seen corresponding path program 1 times [2024-10-11 17:17:44,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:44,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664232043] [2024-10-11 17:17:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:44,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:44,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664232043] [2024-10-11 17:17:44,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664232043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:44,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:44,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:44,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593726341] [2024-10-11 17:17:44,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:44,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:44,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:44,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 174 [2024-10-11 17:17:44,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 151 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:44,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 174 [2024-10-11 17:17:44,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:44,483 INFO L124 PetriNetUnfolderBase]: 12/199 cut-off events. [2024-10-11 17:17:44,483 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-10-11 17:17:44,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 199 events. 12/199 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 443 event pairs, 8 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 219. Up to 31 conditions per place. [2024-10-11 17:17:44,484 INFO L140 encePairwiseOnDemand]: 159/174 looper letters, 13 selfloop transitions, 9 changer transitions 0/146 dead transitions. [2024-10-11 17:17:44,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 146 transitions, 345 flow [2024-10-11 17:17:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2024-10-11 17:17:44,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8812260536398467 [2024-10-11 17:17:44,488 INFO L175 Difference]: Start difference. First operand has 156 places, 151 transitions, 310 flow. Second operand 3 states and 460 transitions. [2024-10-11 17:17:44,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 146 transitions, 345 flow [2024-10-11 17:17:44,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 146 transitions, 341 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:44,493 INFO L231 Difference]: Finished difference. Result has 150 places, 145 transitions, 312 flow [2024-10-11 17:17:44,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=150, PETRI_TRANSITIONS=145} [2024-10-11 17:17:44,494 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -11 predicate places. [2024-10-11 17:17:44,494 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 145 transitions, 312 flow [2024-10-11 17:17:44,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:44,497 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] [2024-10-11 17:17:44,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:17:44,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:44,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:44,498 INFO L85 PathProgramCache]: Analyzing trace with hash -376261179, now seen corresponding path program 1 times [2024-10-11 17:17:44,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:44,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430462669] [2024-10-11 17:17:44,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:44,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:44,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430462669] [2024-10-11 17:17:44,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430462669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:44,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:44,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:44,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122785810] [2024-10-11 17:17:44,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:44,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:44,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:44,591 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 174 [2024-10-11 17:17:44,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 145 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:44,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 174 [2024-10-11 17:17:44,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:44,621 INFO L124 PetriNetUnfolderBase]: 12/193 cut-off events. [2024-10-11 17:17:44,622 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:17:44,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 193 events. 12/193 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 475 event pairs, 8 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 180. Up to 29 conditions per place. [2024-10-11 17:17:44,623 INFO L140 encePairwiseOnDemand]: 159/174 looper letters, 11 selfloop transitions, 8 changer transitions 4/140 dead transitions. [2024-10-11 17:17:44,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 140 transitions, 345 flow [2024-10-11 17:17:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-10-11 17:17:44,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8793103448275862 [2024-10-11 17:17:44,625 INFO L175 Difference]: Start difference. First operand has 150 places, 145 transitions, 312 flow. Second operand 3 states and 459 transitions. [2024-10-11 17:17:44,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 140 transitions, 345 flow [2024-10-11 17:17:44,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 140 transitions, 327 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:44,628 INFO L231 Difference]: Finished difference. Result has 144 places, 135 transitions, 289 flow [2024-10-11 17:17:44,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=144, PETRI_TRANSITIONS=135} [2024-10-11 17:17:44,630 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -17 predicate places. [2024-10-11 17:17:44,630 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 135 transitions, 289 flow [2024-10-11 17:17:44,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:44,631 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:44,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:17:44,631 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:44,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2142094564, now seen corresponding path program 1 times [2024-10-11 17:17:44,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:44,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297457736] [2024-10-11 17:17:44,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:44,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:44,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297457736] [2024-10-11 17:17:44,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297457736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:44,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:44,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591992193] [2024-10-11 17:17:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:44,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:44,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:44,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:44,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 135 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:44,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:44,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:44,779 INFO L124 PetriNetUnfolderBase]: 11/186 cut-off events. [2024-10-11 17:17:44,780 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-11 17:17:44,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 186 events. 11/186 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 444 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 87. Up to 33 conditions per place. [2024-10-11 17:17:44,782 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-10-11 17:17:44,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 135 transitions, 324 flow [2024-10-11 17:17:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:44,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:44,783 INFO L175 Difference]: Start difference. First operand has 144 places, 135 transitions, 289 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:44,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 135 transitions, 324 flow [2024-10-11 17:17:44,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 135 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:44,786 INFO L231 Difference]: Finished difference. Result has 139 places, 134 transitions, 275 flow [2024-10-11 17:17:44,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=139, PETRI_TRANSITIONS=134} [2024-10-11 17:17:44,788 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -22 predicate places. [2024-10-11 17:17:44,788 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 134 transitions, 275 flow [2024-10-11 17:17:44,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:44,789 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:44,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:17:44,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:44,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:44,790 INFO L85 PathProgramCache]: Analyzing trace with hash -476269789, now seen corresponding path program 1 times [2024-10-11 17:17:44,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:44,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698290997] [2024-10-11 17:17:44,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:44,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:44,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:44,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698290997] [2024-10-11 17:17:44,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698290997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:44,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:44,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:44,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538332530] [2024-10-11 17:17:44,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:44,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:44,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:44,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:44,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 134 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:44,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:44,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:44,928 INFO L124 PetriNetUnfolderBase]: 11/185 cut-off events. [2024-10-11 17:17:44,928 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-10-11 17:17:44,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 185 events. 11/185 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 368 event pairs, 3 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 171. Up to 33 conditions per place. [2024-10-11 17:17:44,932 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-11 17:17:44,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 134 transitions, 310 flow [2024-10-11 17:17:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:44,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:44,935 INFO L175 Difference]: Start difference. First operand has 139 places, 134 transitions, 275 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:44,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 134 transitions, 310 flow [2024-10-11 17:17:44,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 134 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:44,937 INFO L231 Difference]: Finished difference. Result has 138 places, 133 transitions, 273 flow [2024-10-11 17:17:44,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=138, PETRI_TRANSITIONS=133} [2024-10-11 17:17:44,938 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -23 predicate places. [2024-10-11 17:17:44,939 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 133 transitions, 273 flow [2024-10-11 17:17:44,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:44,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:44,940 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:44,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:17:44,941 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:44,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:44,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1617309356, now seen corresponding path program 1 times [2024-10-11 17:17:44,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:44,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580515281] [2024-10-11 17:17:44,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:44,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:44,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:44,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580515281] [2024-10-11 17:17:44,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580515281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:44,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:44,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:44,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560814092] [2024-10-11 17:17:44,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:44,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:44,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:44,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:44,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:45,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:45,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 133 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:45,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:45,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:45,068 INFO L124 PetriNetUnfolderBase]: 11/183 cut-off events. [2024-10-11 17:17:45,068 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:17:45,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 183 events. 11/183 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 420 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 198. Up to 33 conditions per place. [2024-10-11 17:17:45,069 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-10-11 17:17:45,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 308 flow [2024-10-11 17:17:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:45,070 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:45,070 INFO L175 Difference]: Start difference. First operand has 138 places, 133 transitions, 273 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:45,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 308 flow [2024-10-11 17:17:45,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 133 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:45,072 INFO L231 Difference]: Finished difference. Result has 137 places, 132 transitions, 271 flow [2024-10-11 17:17:45,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=137, PETRI_TRANSITIONS=132} [2024-10-11 17:17:45,073 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -24 predicate places. [2024-10-11 17:17:45,073 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 132 transitions, 271 flow [2024-10-11 17:17:45,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:45,075 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] [2024-10-11 17:17:45,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:17:45,076 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:45,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1096476196, now seen corresponding path program 1 times [2024-10-11 17:17:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:45,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466280903] [2024-10-11 17:17:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:45,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:45,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466280903] [2024-10-11 17:17:45,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466280903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:45,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:45,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:45,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293400945] [2024-10-11 17:17:45,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:45,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:45,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:45,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:45,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:45,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:45,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 132 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:45,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:45,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:45,197 INFO L124 PetriNetUnfolderBase]: 11/182 cut-off events. [2024-10-11 17:17:45,198 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-10-11 17:17:45,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 182 events. 11/182 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 377 event pairs, 5 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 159. Up to 33 conditions per place. [2024-10-11 17:17:45,199 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-10-11 17:17:45,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 132 transitions, 306 flow [2024-10-11 17:17:45,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:45,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:45,201 INFO L175 Difference]: Start difference. First operand has 137 places, 132 transitions, 271 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:45,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 132 transitions, 306 flow [2024-10-11 17:17:45,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 132 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:45,204 INFO L231 Difference]: Finished difference. Result has 136 places, 131 transitions, 269 flow [2024-10-11 17:17:45,205 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=136, PETRI_TRANSITIONS=131} [2024-10-11 17:17:45,206 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -25 predicate places. [2024-10-11 17:17:45,206 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 269 flow [2024-10-11 17:17:45,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:45,208 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] [2024-10-11 17:17:45,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:17:45,208 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:45,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:45,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1735619751, now seen corresponding path program 1 times [2024-10-11 17:17:45,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:45,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618196704] [2024-10-11 17:17:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:45,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:45,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:45,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618196704] [2024-10-11 17:17:45,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618196704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:45,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:45,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:45,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841660121] [2024-10-11 17:17:45,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:45,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:45,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:45,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:45,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:45,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:45,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 131 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:45,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:45,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:45,325 INFO L124 PetriNetUnfolderBase]: 11/180 cut-off events. [2024-10-11 17:17:45,325 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:17:45,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 180 events. 11/180 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 398 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 205. Up to 33 conditions per place. [2024-10-11 17:17:45,326 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-10-11 17:17:45,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 131 transitions, 304 flow [2024-10-11 17:17:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:45,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:45,328 INFO L175 Difference]: Start difference. First operand has 136 places, 131 transitions, 269 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:45,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 131 transitions, 304 flow [2024-10-11 17:17:45,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 131 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:45,330 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 267 flow [2024-10-11 17:17:45,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2024-10-11 17:17:45,332 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -26 predicate places. [2024-10-11 17:17:45,332 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 267 flow [2024-10-11 17:17:45,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:45,332 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] [2024-10-11 17:17:45,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:17:45,333 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:45,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash -945164850, now seen corresponding path program 1 times [2024-10-11 17:17:45,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:45,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637227195] [2024-10-11 17:17:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:45,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:45,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637227195] [2024-10-11 17:17:45,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637227195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:45,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:45,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:45,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619143499] [2024-10-11 17:17:45,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:45,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:45,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:45,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:45,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:45,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:45,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:45,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:45,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:45,432 INFO L124 PetriNetUnfolderBase]: 11/179 cut-off events. [2024-10-11 17:17:45,432 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-10-11 17:17:45,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 179 events. 11/179 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 391 event pairs, 7 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 147. Up to 33 conditions per place. [2024-10-11 17:17:45,433 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-10-11 17:17:45,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 130 transitions, 302 flow [2024-10-11 17:17:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:45,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:45,434 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 267 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:45,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 130 transitions, 302 flow [2024-10-11 17:17:45,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 130 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:45,436 INFO L231 Difference]: Finished difference. Result has 134 places, 129 transitions, 265 flow [2024-10-11 17:17:45,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=134, PETRI_TRANSITIONS=129} [2024-10-11 17:17:45,437 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -27 predicate places. [2024-10-11 17:17:45,437 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 265 flow [2024-10-11 17:17:45,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:45,438 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] [2024-10-11 17:17:45,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:17:45,438 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:45,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:45,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1988585153, now seen corresponding path program 1 times [2024-10-11 17:17:45,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:45,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747840953] [2024-10-11 17:17:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:45,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:45,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:45,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747840953] [2024-10-11 17:17:45,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747840953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:45,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:45,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:45,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13753421] [2024-10-11 17:17:45,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:45,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:45,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:45,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:45,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:45,509 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:45,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:45,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:45,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:45,532 INFO L124 PetriNetUnfolderBase]: 11/177 cut-off events. [2024-10-11 17:17:45,532 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:17:45,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 177 events. 11/177 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 388 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 212. Up to 33 conditions per place. [2024-10-11 17:17:45,533 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 5/129 dead transitions. [2024-10-11 17:17:45,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 129 transitions, 300 flow [2024-10-11 17:17:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 17:17:45,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 17:17:45,536 INFO L175 Difference]: Start difference. First operand has 134 places, 129 transitions, 265 flow. Second operand 3 states and 474 transitions. [2024-10-11 17:17:45,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 129 transitions, 300 flow [2024-10-11 17:17:45,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 129 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:45,538 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 253 flow [2024-10-11 17:17:45,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2024-10-11 17:17:45,539 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -28 predicate places. [2024-10-11 17:17:45,539 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 253 flow [2024-10-11 17:17:45,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:17:45,541 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] [2024-10-11 17:17:45,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:17:45,543 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-10-11 17:17:45,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:17:45,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1203184807, now seen corresponding path program 1 times [2024-10-11 17:17:45,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:17:45,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033699928] [2024-10-11 17:17:45,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:17:45,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:17:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:17:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:17:45,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:17:45,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033699928] [2024-10-11 17:17:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033699928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:17:45,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:17:45,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:17:45,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188991450] [2024-10-11 17:17:45,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:17:45,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:17:45,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:17:45,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:17:45,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:17:45,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2024-10-11 17:17:45,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:17:45,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2024-10-11 17:17:45,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:17:45,649 INFO L124 PetriNetUnfolderBase]: 9/164 cut-off events. [2024-10-11 17:17:45,649 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2024-10-11 17:17:45,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 164 events. 9/164 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 304 event pairs, 8 based on Foata normal form. 2/159 useless extension candidates. Maximal degree in co-relation 117. Up to 30 conditions per place. [2024-10-11 17:17:45,649 INFO L140 encePairwiseOnDemand]: 172/174 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2024-10-11 17:17:45,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 123 transitions, 284 flow [2024-10-11 17:17:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:17:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:17:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-10-11 17:17:45,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042145593869731 [2024-10-11 17:17:45,651 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 253 flow. Second operand 3 states and 472 transitions. [2024-10-11 17:17:45,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 123 transitions, 284 flow [2024-10-11 17:17:45,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 123 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:17:45,653 INFO L231 Difference]: Finished difference. Result has 127 places, 0 transitions, 0 flow [2024-10-11 17:17:45,653 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=127, PETRI_TRANSITIONS=0} [2024-10-11 17:17:45,653 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -34 predicate places. [2024-10-11 17:17:45,653 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 0 transitions, 0 flow [2024-10-11 17:17:45,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:17:45,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-10-11 17:17:45,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-10-11 17:17:45,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-10-11 17:17:45,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-10-11 17:17:45,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-10-11 17:17:45,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:17:45,661 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:17:45,665 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:17:45,665 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:17:45,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:17:45 BasicIcfg [2024-10-11 17:17:45,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:17:45,670 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:17:45,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:17:45,670 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:17:45,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:17:43" (3/4) ... [2024-10-11 17:17:45,672 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:17:45,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:17:45,675 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:17:45,679 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 17:17:45,680 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:17:45,680 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:17:45,680 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:17:45,770 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:17:45,770 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:17:45,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:17:45,771 INFO L158 Benchmark]: Toolchain (without parser) took 2948.25ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 98.6MB in the beginning and 50.7MB in the end (delta: 47.9MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,771 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:17:45,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.99ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 98.4MB in the beginning and 133.0MB in the end (delta: -34.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.95ms. Allocated memory is still 172.0MB. Free memory was 133.0MB in the beginning and 131.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,779 INFO L158 Benchmark]: Boogie Preprocessor took 22.35ms. Allocated memory is still 172.0MB. Free memory was 131.5MB in the beginning and 130.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,779 INFO L158 Benchmark]: RCFGBuilder took 388.77ms. Allocated memory is still 172.0MB. Free memory was 130.0MB in the beginning and 113.9MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,779 INFO L158 Benchmark]: TraceAbstraction took 2146.00ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 54.9MB in the end (delta: 58.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,780 INFO L158 Benchmark]: Witness Printer took 100.36ms. Allocated memory is still 172.0MB. Free memory was 54.9MB in the beginning and 50.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:17:45,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.99ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 98.4MB in the beginning and 133.0MB in the end (delta: -34.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.95ms. Allocated memory is still 172.0MB. Free memory was 133.0MB in the beginning and 131.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.35ms. Allocated memory is still 172.0MB. Free memory was 131.5MB in the beginning and 130.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.77ms. Allocated memory is still 172.0MB. Free memory was 130.0MB in the beginning and 113.9MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2146.00ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 54.9MB in the end (delta: 58.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * Witness Printer took 100.36ms. Allocated memory is still 172.0MB. Free memory was 54.9MB in the beginning and 50.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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, 271 locations, 40 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: 2.0s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 833 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 260 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 751 IncrementalHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 191 mSDtfsCounter, 751 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 0.4s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 603 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:17:45,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE