./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:44:04,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:44:04,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:44:04,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:44:04,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:44:04,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:44:04,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:44:04,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:44:04,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:44:04,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:44:04,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:44:04,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:44:04,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:44:04,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:44:04,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:44:04,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:44:04,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:44:04,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:44:04,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:44:04,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:44:04,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:44:04,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:44:04,892 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:44:04,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:44:04,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:44:04,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:44:04,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:44:04,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:44:04,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:44:04,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:44:04,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:44:04,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:44:04,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:44:04,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:44:04,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:44:04,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:44:04,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:44:04,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:44:04,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:44:04,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:44:04,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:44:04,899 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-22 17:44:05,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:44:05,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:44:05,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:44:05,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:44:05,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:44:05,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-22 17:44:06,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:44:06,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:44:06,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-22 17:44:06,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93d5d6eb/47f7879a628a4f0a9f6b413d226b767f/FLAG59ef1f5cc [2024-11-22 17:44:06,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f93d5d6eb/47f7879a628a4f0a9f6b413d226b767f [2024-11-22 17:44:06,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:44:06,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:44:06,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:44:06,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:44:06,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:44:06,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:44:06" (1/1) ... [2024-11-22 17:44:06,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16447599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:06, skipping insertion in model container [2024-11-22 17:44:06,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:44:06" (1/1) ... [2024-11-22 17:44:06,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:44:07,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:44:07,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:44:07,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:44:07,304 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:44:07,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07 WrapperNode [2024-11-22 17:44:07,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:44:07,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:44:07,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:44:07,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:44:07,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,359 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 219 [2024-11-22 17:44:07,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:44:07,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:44:07,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:44:07,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:44:07,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:44:07,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:44:07,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:44:07,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:44:07,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (1/1) ... [2024-11-22 17:44:07,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:44:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:44:07,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:44:07,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:44:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-22 17:44:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:44:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:44:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:44:07,505 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:44:07,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:44:07,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:44:08,106 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:44:08,107 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:44:08,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:44:08,164 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:44:08,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:44:08 BoogieIcfgContainer [2024-11-22 17:44:08,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:44:08,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:44:08,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:44:08,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:44:08,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:44:06" (1/3) ... [2024-11-22 17:44:08,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ca77d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:44:08, skipping insertion in model container [2024-11-22 17:44:08,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:44:07" (2/3) ... [2024-11-22 17:44:08,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ca77d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:44:08, skipping insertion in model container [2024-11-22 17:44:08,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:44:08" (3/3) ... [2024-11-22 17:44:08,173 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-22 17:44:08,186 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:44:08,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-22 17:44:08,186 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:44:08,247 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:44:08,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 297 places, 305 transitions, 624 flow [2024-11-22 17:44:08,393 INFO L124 PetriNetUnfolderBase]: 18/389 cut-off events. [2024-11-22 17:44:08,393 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:44:08,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 389 events. 18/389 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 681 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 225. Up to 4 conditions per place. [2024-11-22 17:44:08,402 INFO L82 GeneralOperation]: Start removeDead. Operand has 297 places, 305 transitions, 624 flow [2024-11-22 17:44:08,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 295 places, 302 transitions, 616 flow [2024-11-22 17:44:08,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:44:08,424 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;@623d53e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:44:08,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-22 17:44:08,430 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:44:08,431 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-22 17:44:08,431 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:44:08,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:08,432 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] [2024-11-22 17:44:08,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:08,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:08,437 INFO L85 PathProgramCache]: Analyzing trace with hash -169560373, now seen corresponding path program 1 times [2024-11-22 17:44:08,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:08,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310720003] [2024-11-22 17:44:08,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:09,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:09,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310720003] [2024-11-22 17:44:09,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310720003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:09,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:09,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:09,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064827662] [2024-11-22 17:44:09,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:09,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:09,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:09,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:09,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:09,500 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 305 [2024-11-22 17:44:09,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 302 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:09,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:09,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 305 [2024-11-22 17:44:09,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:09,901 INFO L124 PetriNetUnfolderBase]: 424/1680 cut-off events. [2024-11-22 17:44:09,902 INFO L125 PetriNetUnfolderBase]: For 22/32 co-relation queries the response was YES. [2024-11-22 17:44:09,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 1680 events. 424/1680 cut-off events. For 22/32 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 10920 event pairs, 423 based on Foata normal form. 60/1598 useless extension candidates. Maximal degree in co-relation 2166. Up to 755 conditions per place. [2024-11-22 17:44:09,918 INFO L140 encePairwiseOnDemand]: 281/305 looper letters, 44 selfloop transitions, 5 changer transitions 12/265 dead transitions. [2024-11-22 17:44:09,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 265 transitions, 640 flow [2024-11-22 17:44:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1454 transitions. [2024-11-22 17:44:09,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7945355191256831 [2024-11-22 17:44:09,936 INFO L175 Difference]: Start difference. First operand has 295 places, 302 transitions, 616 flow. Second operand 6 states and 1454 transitions. [2024-11-22 17:44:09,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 265 transitions, 640 flow [2024-11-22 17:44:09,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 265 transitions, 632 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:44:09,945 INFO L231 Difference]: Finished difference. Result has 271 places, 253 transitions, 520 flow [2024-11-22 17:44:09,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=271, PETRI_TRANSITIONS=253} [2024-11-22 17:44:09,952 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -24 predicate places. [2024-11-22 17:44:09,952 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 253 transitions, 520 flow [2024-11-22 17:44:09,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:09,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:09,953 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] [2024-11-22 17:44:09,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:44:09,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:09,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash -444160478, now seen corresponding path program 1 times [2024-11-22 17:44:09,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:09,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9488708] [2024-11-22 17:44:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:10,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:10,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9488708] [2024-11-22 17:44:10,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9488708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:10,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:10,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:10,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612322063] [2024-11-22 17:44:10,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:10,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:10,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:10,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:10,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:10,491 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 305 [2024-11-22 17:44:10,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 253 transitions, 520 flow. Second operand has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:10,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:10,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 305 [2024-11-22 17:44:10,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:10,710 INFO L124 PetriNetUnfolderBase]: 424/1667 cut-off events. [2024-11-22 17:44:10,710 INFO L125 PetriNetUnfolderBase]: For 5/15 co-relation queries the response was YES. [2024-11-22 17:44:10,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 1667 events. 424/1667 cut-off events. For 5/15 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 10818 event pairs, 423 based on Foata normal form. 0/1530 useless extension candidates. Maximal degree in co-relation 2396. Up to 755 conditions per place. [2024-11-22 17:44:10,718 INFO L140 encePairwiseOnDemand]: 299/305 looper letters, 44 selfloop transitions, 5 changer transitions 0/252 dead transitions. [2024-11-22 17:44:10,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 252 transitions, 616 flow [2024-11-22 17:44:10,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1436 transitions. [2024-11-22 17:44:10,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7846994535519126 [2024-11-22 17:44:10,721 INFO L175 Difference]: Start difference. First operand has 271 places, 253 transitions, 520 flow. Second operand 6 states and 1436 transitions. [2024-11-22 17:44:10,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 252 transitions, 616 flow [2024-11-22 17:44:10,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 252 transitions, 606 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:44:10,725 INFO L231 Difference]: Finished difference. Result has 258 places, 252 transitions, 518 flow [2024-11-22 17:44:10,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=518, PETRI_PLACES=258, PETRI_TRANSITIONS=252} [2024-11-22 17:44:10,726 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -37 predicate places. [2024-11-22 17:44:10,726 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 252 transitions, 518 flow [2024-11-22 17:44:10,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:10,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:10,727 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] [2024-11-22 17:44:10,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:44:10,727 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:10,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:10,728 INFO L85 PathProgramCache]: Analyzing trace with hash 527152214, now seen corresponding path program 1 times [2024-11-22 17:44:10,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:10,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106352352] [2024-11-22 17:44:10,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:10,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:10,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:10,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106352352] [2024-11-22 17:44:10,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106352352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:10,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:10,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:10,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68083765] [2024-11-22 17:44:10,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:10,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:10,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:10,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:11,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 305 [2024-11-22 17:44:11,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 252 transitions, 518 flow. Second operand has 6 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:11,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:11,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 305 [2024-11-22 17:44:11,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:11,458 INFO L124 PetriNetUnfolderBase]: 232/817 cut-off events. [2024-11-22 17:44:11,458 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-22 17:44:11,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 817 events. 232/817 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3940 event pairs, 210 based on Foata normal form. 0/789 useless extension candidates. Maximal degree in co-relation 1195. Up to 415 conditions per place. [2024-11-22 17:44:11,463 INFO L140 encePairwiseOnDemand]: 297/305 looper letters, 28 selfloop transitions, 7 changer transitions 0/255 dead transitions. [2024-11-22 17:44:11,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 255 transitions, 595 flow [2024-11-22 17:44:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:11,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1530 transitions. [2024-11-22 17:44:11,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8360655737704918 [2024-11-22 17:44:11,466 INFO L175 Difference]: Start difference. First operand has 258 places, 252 transitions, 518 flow. Second operand 6 states and 1530 transitions. [2024-11-22 17:44:11,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 255 transitions, 595 flow [2024-11-22 17:44:11,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 255 transitions, 585 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:44:11,472 INFO L231 Difference]: Finished difference. Result has 258 places, 254 transitions, 536 flow [2024-11-22 17:44:11,472 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=536, PETRI_PLACES=258, PETRI_TRANSITIONS=254} [2024-11-22 17:44:11,474 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -37 predicate places. [2024-11-22 17:44:11,474 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 254 transitions, 536 flow [2024-11-22 17:44:11,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:11,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:11,475 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] [2024-11-22 17:44:11,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:44:11,476 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:11,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:11,477 INFO L85 PathProgramCache]: Analyzing trace with hash -318548957, now seen corresponding path program 1 times [2024-11-22 17:44:11,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:11,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648506171] [2024-11-22 17:44:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:11,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:11,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648506171] [2024-11-22 17:44:11,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648506171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:11,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:11,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:11,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587398699] [2024-11-22 17:44:11,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:11,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:11,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:11,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:12,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 305 [2024-11-22 17:44:12,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 254 transitions, 536 flow. Second operand has 6 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:12,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 305 [2024-11-22 17:44:12,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:12,228 INFO L124 PetriNetUnfolderBase]: 232/816 cut-off events. [2024-11-22 17:44:12,228 INFO L125 PetriNetUnfolderBase]: For 80/84 co-relation queries the response was YES. [2024-11-22 17:44:12,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 816 events. 232/816 cut-off events. For 80/84 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3912 event pairs, 210 based on Foata normal form. 2/791 useless extension candidates. Maximal degree in co-relation 1001. Up to 415 conditions per place. [2024-11-22 17:44:12,232 INFO L140 encePairwiseOnDemand]: 297/305 looper letters, 28 selfloop transitions, 7 changer transitions 0/254 dead transitions. [2024-11-22 17:44:12,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 254 transitions, 607 flow [2024-11-22 17:44:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1530 transitions. [2024-11-22 17:44:12,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8360655737704918 [2024-11-22 17:44:12,236 INFO L175 Difference]: Start difference. First operand has 258 places, 254 transitions, 536 flow. Second operand 6 states and 1530 transitions. [2024-11-22 17:44:12,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 254 transitions, 607 flow [2024-11-22 17:44:12,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 254 transitions, 597 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:44:12,240 INFO L231 Difference]: Finished difference. Result has 258 places, 253 transitions, 538 flow [2024-11-22 17:44:12,240 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=538, PETRI_PLACES=258, PETRI_TRANSITIONS=253} [2024-11-22 17:44:12,241 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -37 predicate places. [2024-11-22 17:44:12,241 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 253 transitions, 538 flow [2024-11-22 17:44:12,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,242 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:12,242 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] [2024-11-22 17:44:12,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:44:12,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:12,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:12,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1158413599, now seen corresponding path program 1 times [2024-11-22 17:44:12,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:12,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962290228] [2024-11-22 17:44:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:12,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:12,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962290228] [2024-11-22 17:44:12,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962290228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:12,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:12,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:44:12,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776139550] [2024-11-22 17:44:12,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:12,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:44:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:12,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:44:12,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:44:12,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 305 [2024-11-22 17:44:12,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 253 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:12,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 305 [2024-11-22 17:44:12,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:12,399 INFO L124 PetriNetUnfolderBase]: 65/533 cut-off events. [2024-11-22 17:44:12,399 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-11-22 17:44:12,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 533 events. 65/533 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2168 event pairs, 40 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 291. Up to 130 conditions per place. [2024-11-22 17:44:12,402 INFO L140 encePairwiseOnDemand]: 302/305 looper letters, 19 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2024-11-22 17:44:12,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 252 transitions, 578 flow [2024-11-22 17:44:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:44:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:44:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 805 transitions. [2024-11-22 17:44:12,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2024-11-22 17:44:12,405 INFO L175 Difference]: Start difference. First operand has 258 places, 253 transitions, 538 flow. Second operand 3 states and 805 transitions. [2024-11-22 17:44:12,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 252 transitions, 578 flow [2024-11-22 17:44:12,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 252 transitions, 564 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:44:12,409 INFO L231 Difference]: Finished difference. Result has 254 places, 252 transitions, 526 flow [2024-11-22 17:44:12,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=254, PETRI_TRANSITIONS=252} [2024-11-22 17:44:12,411 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -41 predicate places. [2024-11-22 17:44:12,411 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 252 transitions, 526 flow [2024-11-22 17:44:12,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:12,412 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:12,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:44:12,413 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:12,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash 382536521, now seen corresponding path program 1 times [2024-11-22 17:44:12,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:12,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39983134] [2024-11-22 17:44:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:12,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:12,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39983134] [2024-11-22 17:44:12,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39983134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:12,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:12,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:44:12,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810667639] [2024-11-22 17:44:12,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:12,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:44:12,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:12,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:44:12,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:44:12,484 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 305 [2024-11-22 17:44:12,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 252 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:12,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 305 [2024-11-22 17:44:12,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:12,542 INFO L124 PetriNetUnfolderBase]: 67/489 cut-off events. [2024-11-22 17:44:12,543 INFO L125 PetriNetUnfolderBase]: For 41/43 co-relation queries the response was YES. [2024-11-22 17:44:12,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 489 events. 67/489 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1791 event pairs, 45 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 512. Up to 128 conditions per place. [2024-11-22 17:44:12,545 INFO L140 encePairwiseOnDemand]: 302/305 looper letters, 21 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2024-11-22 17:44:12,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 254 transitions, 578 flow [2024-11-22 17:44:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:44:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:44:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2024-11-22 17:44:12,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8852459016393442 [2024-11-22 17:44:12,547 INFO L175 Difference]: Start difference. First operand has 254 places, 252 transitions, 526 flow. Second operand 3 states and 810 transitions. [2024-11-22 17:44:12,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 254 transitions, 578 flow [2024-11-22 17:44:12,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 254 transitions, 574 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:44:12,550 INFO L231 Difference]: Finished difference. Result has 253 places, 251 transitions, 524 flow [2024-11-22 17:44:12,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=253, PETRI_TRANSITIONS=251} [2024-11-22 17:44:12,553 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -42 predicate places. [2024-11-22 17:44:12,553 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 251 transitions, 524 flow [2024-11-22 17:44:12,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:12,555 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:12,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:44:12,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:12,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:12,555 INFO L85 PathProgramCache]: Analyzing trace with hash -21903332, now seen corresponding path program 1 times [2024-11-22 17:44:12,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:12,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144277958] [2024-11-22 17:44:12,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:12,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:12,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144277958] [2024-11-22 17:44:12,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144277958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:12,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:12,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:44:12,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153493471] [2024-11-22 17:44:12,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:12,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:44:12,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:12,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:44:12,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:44:12,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 305 [2024-11-22 17:44:12,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 251 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:12,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 305 [2024-11-22 17:44:12,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:12,696 INFO L124 PetriNetUnfolderBase]: 75/570 cut-off events. [2024-11-22 17:44:12,697 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-22 17:44:12,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 570 events. 75/570 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1948 event pairs, 18 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 592. Up to 90 conditions per place. [2024-11-22 17:44:12,699 INFO L140 encePairwiseOnDemand]: 303/305 looper letters, 20 selfloop transitions, 1 changer transitions 0/256 dead transitions. [2024-11-22 17:44:12,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 256 transitions, 580 flow [2024-11-22 17:44:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:44:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:44:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 821 transitions. [2024-11-22 17:44:12,701 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8972677595628415 [2024-11-22 17:44:12,701 INFO L175 Difference]: Start difference. First operand has 253 places, 251 transitions, 524 flow. Second operand 3 states and 821 transitions. [2024-11-22 17:44:12,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 256 transitions, 580 flow [2024-11-22 17:44:12,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 256 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:44:12,706 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 520 flow [2024-11-22 17:44:12,706 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=520, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-11-22 17:44:12,707 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -43 predicate places. [2024-11-22 17:44:12,707 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 520 flow [2024-11-22 17:44:12,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:12,708 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:12,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:44:12,708 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:12,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1892654432, now seen corresponding path program 1 times [2024-11-22 17:44:12,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:12,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677924552] [2024-11-22 17:44:12,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:12,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:12,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:12,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677924552] [2024-11-22 17:44:12,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677924552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:12,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:12,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:44:12,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143420025] [2024-11-22 17:44:12,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:12,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:44:12,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:12,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:44:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:44:12,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 305 [2024-11-22 17:44:12,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:12,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 305 [2024-11-22 17:44:12,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:12,825 INFO L124 PetriNetUnfolderBase]: 64/680 cut-off events. [2024-11-22 17:44:12,825 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-22 17:44:12,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 680 events. 64/680 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2659 event pairs, 44 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 715. Up to 130 conditions per place. [2024-11-22 17:44:12,829 INFO L140 encePairwiseOnDemand]: 301/305 looper letters, 18 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2024-11-22 17:44:12,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 251 transitions, 563 flow [2024-11-22 17:44:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:44:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:44:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 812 transitions. [2024-11-22 17:44:12,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8874316939890711 [2024-11-22 17:44:12,831 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 520 flow. Second operand 3 states and 812 transitions. [2024-11-22 17:44:12,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 251 transitions, 563 flow [2024-11-22 17:44:12,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 251 transitions, 562 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:44:12,834 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 529 flow [2024-11-22 17:44:12,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=529, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-11-22 17:44:12,835 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -43 predicate places. [2024-11-22 17:44:12,835 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 529 flow [2024-11-22 17:44:12,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:12,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:12,836 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:12,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:44:12,836 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:12,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:12,836 INFO L85 PathProgramCache]: Analyzing trace with hash -448068810, now seen corresponding path program 1 times [2024-11-22 17:44:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:12,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132379229] [2024-11-22 17:44:12,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:12,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:13,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:13,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132379229] [2024-11-22 17:44:13,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132379229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:13,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:13,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:13,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226605028] [2024-11-22 17:44:13,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:13,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:13,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:13,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:13,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:13,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 305 [2024-11-22 17:44:13,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 529 flow. Second operand has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:13,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:13,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 305 [2024-11-22 17:44:13,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:13,723 INFO L124 PetriNetUnfolderBase]: 578/1738 cut-off events. [2024-11-22 17:44:13,724 INFO L125 PetriNetUnfolderBase]: For 171/173 co-relation queries the response was YES. [2024-11-22 17:44:13,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3019 conditions, 1738 events. 578/1738 cut-off events. For 171/173 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 10012 event pairs, 347 based on Foata normal form. 0/1659 useless extension candidates. Maximal degree in co-relation 2488. Up to 943 conditions per place. [2024-11-22 17:44:13,733 INFO L140 encePairwiseOnDemand]: 292/305 looper letters, 50 selfloop transitions, 30 changer transitions 0/279 dead transitions. [2024-11-22 17:44:13,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 279 transitions, 763 flow [2024-11-22 17:44:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1471 transitions. [2024-11-22 17:44:13,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8038251366120218 [2024-11-22 17:44:13,736 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 529 flow. Second operand 6 states and 1471 transitions. [2024-11-22 17:44:13,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 279 transitions, 763 flow [2024-11-22 17:44:13,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 279 transitions, 763 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:44:13,741 INFO L231 Difference]: Finished difference. Result has 262 places, 279 transitions, 747 flow [2024-11-22 17:44:13,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=747, PETRI_PLACES=262, PETRI_TRANSITIONS=279} [2024-11-22 17:44:13,742 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -33 predicate places. [2024-11-22 17:44:13,742 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 279 transitions, 747 flow [2024-11-22 17:44:13,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:13,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:13,743 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:13,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:44:13,744 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:13,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 44020556, now seen corresponding path program 1 times [2024-11-22 17:44:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491344027] [2024-11-22 17:44:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:13,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:13,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491344027] [2024-11-22 17:44:13,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491344027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:13,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:13,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:44:13,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329652382] [2024-11-22 17:44:13,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:13,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:44:13,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:13,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:44:13,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:44:13,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 305 [2024-11-22 17:44:13,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 279 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:13,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:13,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 305 [2024-11-22 17:44:13,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:13,936 INFO L124 PetriNetUnfolderBase]: 332/1161 cut-off events. [2024-11-22 17:44:13,936 INFO L125 PetriNetUnfolderBase]: For 614/635 co-relation queries the response was YES. [2024-11-22 17:44:13,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2594 conditions, 1161 events. 332/1161 cut-off events. For 614/635 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 6043 event pairs, 99 based on Foata normal form. 2/1127 useless extension candidates. Maximal degree in co-relation 2135. Up to 403 conditions per place. [2024-11-22 17:44:13,944 INFO L140 encePairwiseOnDemand]: 302/305 looper letters, 50 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2024-11-22 17:44:13,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 286 transitions, 885 flow [2024-11-22 17:44:13,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:44:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:44:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2024-11-22 17:44:13,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8885245901639345 [2024-11-22 17:44:13,946 INFO L175 Difference]: Start difference. First operand has 262 places, 279 transitions, 747 flow. Second operand 3 states and 813 transitions. [2024-11-22 17:44:13,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 286 transitions, 885 flow [2024-11-22 17:44:13,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 286 transitions, 869 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-11-22 17:44:13,955 INFO L231 Difference]: Finished difference. Result has 263 places, 278 transitions, 733 flow [2024-11-22 17:44:13,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=733, PETRI_PLACES=263, PETRI_TRANSITIONS=278} [2024-11-22 17:44:13,957 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -32 predicate places. [2024-11-22 17:44:13,957 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 278 transitions, 733 flow [2024-11-22 17:44:13,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:13,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:13,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:13,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:44:13,958 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:13,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1650094721, now seen corresponding path program 1 times [2024-11-22 17:44:13,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:13,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100371916] [2024-11-22 17:44:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:14,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:14,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100371916] [2024-11-22 17:44:14,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100371916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:14,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:14,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:14,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871082757] [2024-11-22 17:44:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:14,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:14,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:14,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:14,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:14,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 305 [2024-11-22 17:44:14,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 278 transitions, 733 flow. Second operand has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:14,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:14,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 305 [2024-11-22 17:44:14,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:14,956 INFO L124 PetriNetUnfolderBase]: 828/2346 cut-off events. [2024-11-22 17:44:14,956 INFO L125 PetriNetUnfolderBase]: For 1095/1110 co-relation queries the response was YES. [2024-11-22 17:44:14,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5296 conditions, 2346 events. 828/2346 cut-off events. For 1095/1110 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 14887 event pairs, 419 based on Foata normal form. 0/2263 useless extension candidates. Maximal degree in co-relation 4958. Up to 1225 conditions per place. [2024-11-22 17:44:14,971 INFO L140 encePairwiseOnDemand]: 292/305 looper letters, 74 selfloop transitions, 30 changer transitions 0/307 dead transitions. [2024-11-22 17:44:14,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 307 transitions, 1063 flow [2024-11-22 17:44:14,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1471 transitions. [2024-11-22 17:44:14,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8038251366120218 [2024-11-22 17:44:14,974 INFO L175 Difference]: Start difference. First operand has 263 places, 278 transitions, 733 flow. Second operand 6 states and 1471 transitions. [2024-11-22 17:44:14,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 307 transitions, 1063 flow [2024-11-22 17:44:15,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 307 transitions, 1059 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:44:15,005 INFO L231 Difference]: Finished difference. Result has 271 places, 307 transitions, 995 flow [2024-11-22 17:44:15,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=995, PETRI_PLACES=271, PETRI_TRANSITIONS=307} [2024-11-22 17:44:15,006 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -24 predicate places. [2024-11-22 17:44:15,006 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 307 transitions, 995 flow [2024-11-22 17:44:15,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:15,007 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:15,007 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:15,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:44:15,008 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:15,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2041196530, now seen corresponding path program 1 times [2024-11-22 17:44:15,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:15,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157883082] [2024-11-22 17:44:15,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:15,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:15,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:15,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157883082] [2024-11-22 17:44:15,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157883082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:15,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:15,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:15,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527914639] [2024-11-22 17:44:15,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:15,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:15,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:15,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:15,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:15,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 305 [2024-11-22 17:44:15,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 307 transitions, 995 flow. Second operand has 6 states, 6 states have (on average 244.33333333333334) internal successors, (1466), 6 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:15,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:15,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 305 [2024-11-22 17:44:15,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:16,198 INFO L124 PetriNetUnfolderBase]: 925/2870 cut-off events. [2024-11-22 17:44:16,199 INFO L125 PetriNetUnfolderBase]: For 2175/2200 co-relation queries the response was YES. [2024-11-22 17:44:16,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7386 conditions, 2870 events. 925/2870 cut-off events. For 2175/2200 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 19946 event pairs, 307 based on Foata normal form. 0/2753 useless extension candidates. Maximal degree in co-relation 6300. Up to 1290 conditions per place. [2024-11-22 17:44:16,221 INFO L140 encePairwiseOnDemand]: 288/305 looper letters, 96 selfloop transitions, 27 changer transitions 0/336 dead transitions. [2024-11-22 17:44:16,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 336 transitions, 1415 flow [2024-11-22 17:44:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1517 transitions. [2024-11-22 17:44:16,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8289617486338798 [2024-11-22 17:44:16,224 INFO L175 Difference]: Start difference. First operand has 271 places, 307 transitions, 995 flow. Second operand 6 states and 1517 transitions. [2024-11-22 17:44:16,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 336 transitions, 1415 flow [2024-11-22 17:44:16,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 336 transitions, 1351 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-22 17:44:16,234 INFO L231 Difference]: Finished difference. Result has 280 places, 328 transitions, 1187 flow [2024-11-22 17:44:16,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=929, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1187, PETRI_PLACES=280, PETRI_TRANSITIONS=328} [2024-11-22 17:44:16,235 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -15 predicate places. [2024-11-22 17:44:16,235 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 328 transitions, 1187 flow [2024-11-22 17:44:16,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.33333333333334) internal successors, (1466), 6 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:16,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:16,236 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:16,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:44:16,236 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:16,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:16,237 INFO L85 PathProgramCache]: Analyzing trace with hash 367805409, now seen corresponding path program 1 times [2024-11-22 17:44:16,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:16,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056323890] [2024-11-22 17:44:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:16,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:16,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:16,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056323890] [2024-11-22 17:44:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056323890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:16,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:16,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:16,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763317446] [2024-11-22 17:44:16,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:16,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:44:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:16,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:44:16,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:44:16,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 305 [2024-11-22 17:44:16,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 328 transitions, 1187 flow. Second operand has 6 states, 6 states have (on average 244.33333333333334) internal successors, (1466), 6 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:16,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:16,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 305 [2024-11-22 17:44:16,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:17,413 INFO L124 PetriNetUnfolderBase]: 1209/3474 cut-off events. [2024-11-22 17:44:17,413 INFO L125 PetriNetUnfolderBase]: For 4869/5090 co-relation queries the response was YES. [2024-11-22 17:44:17,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10182 conditions, 3474 events. 1209/3474 cut-off events. For 4869/5090 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 24991 event pairs, 352 based on Foata normal form. 10/3353 useless extension candidates. Maximal degree in co-relation 8784. Up to 1593 conditions per place. [2024-11-22 17:44:17,440 INFO L140 encePairwiseOnDemand]: 288/305 looper letters, 110 selfloop transitions, 39 changer transitions 37/373 dead transitions. [2024-11-22 17:44:17,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 373 transitions, 1883 flow [2024-11-22 17:44:17,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1517 transitions. [2024-11-22 17:44:17,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8289617486338798 [2024-11-22 17:44:17,443 INFO L175 Difference]: Start difference. First operand has 280 places, 328 transitions, 1187 flow. Second operand 6 states and 1517 transitions. [2024-11-22 17:44:17,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 373 transitions, 1883 flow [2024-11-22 17:44:17,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 373 transitions, 1851 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-22 17:44:17,453 INFO L231 Difference]: Finished difference. Result has 289 places, 328 transitions, 1574 flow [2024-11-22 17:44:17,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1574, PETRI_PLACES=289, PETRI_TRANSITIONS=328} [2024-11-22 17:44:17,455 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -6 predicate places. [2024-11-22 17:44:17,455 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 328 transitions, 1574 flow [2024-11-22 17:44:17,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.33333333333334) internal successors, (1466), 6 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:17,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:17,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:17,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:44:17,456 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:17,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:17,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1396074371, now seen corresponding path program 1 times [2024-11-22 17:44:17,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:17,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398312504] [2024-11-22 17:44:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:17,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:17,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398312504] [2024-11-22 17:44:17,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398312504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:17,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:17,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:44:17,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318574984] [2024-11-22 17:44:17,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:17,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 17:44:17,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:17,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 17:44:17,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 17:44:17,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 305 [2024-11-22 17:44:17,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 328 transitions, 1574 flow. Second operand has 5 states, 5 states have (on average 261.2) internal successors, (1306), 5 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:17,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:17,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 305 [2024-11-22 17:44:17,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:17,780 INFO L124 PetriNetUnfolderBase]: 167/626 cut-off events. [2024-11-22 17:44:17,780 INFO L125 PetriNetUnfolderBase]: For 1272/1375 co-relation queries the response was YES. [2024-11-22 17:44:17,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1649 conditions, 626 events. 167/626 cut-off events. For 1272/1375 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3102 event pairs, 15 based on Foata normal form. 6/610 useless extension candidates. Maximal degree in co-relation 1625. Up to 179 conditions per place. [2024-11-22 17:44:17,783 INFO L140 encePairwiseOnDemand]: 300/305 looper letters, 43 selfloop transitions, 4 changer transitions 0/178 dead transitions. [2024-11-22 17:44:17,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 178 transitions, 702 flow [2024-11-22 17:44:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:44:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:44:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1596 transitions. [2024-11-22 17:44:17,786 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8721311475409836 [2024-11-22 17:44:17,786 INFO L175 Difference]: Start difference. First operand has 289 places, 328 transitions, 1574 flow. Second operand 6 states and 1596 transitions. [2024-11-22 17:44:17,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 178 transitions, 702 flow [2024-11-22 17:44:17,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 178 transitions, 562 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-11-22 17:44:17,789 INFO L231 Difference]: Finished difference. Result has 176 places, 150 transitions, 348 flow [2024-11-22 17:44:17,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=348, PETRI_PLACES=176, PETRI_TRANSITIONS=150} [2024-11-22 17:44:17,790 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -119 predicate places. [2024-11-22 17:44:17,790 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 150 transitions, 348 flow [2024-11-22 17:44:17,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 261.2) internal successors, (1306), 5 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:17,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:44:17,792 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:17,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:44:17,792 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-22 17:44:17,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:44:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash -691622201, now seen corresponding path program 1 times [2024-11-22 17:44:17,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:44:17,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460897765] [2024-11-22 17:44:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:44:17,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:44:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:44:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:44:17,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:44:17,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460897765] [2024-11-22 17:44:17,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460897765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:44:17,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:44:17,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:44:17,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088484474] [2024-11-22 17:44:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:44:17,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:44:17,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:44:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:44:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:44:17,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 305 [2024-11-22 17:44:17,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 150 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:17,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:44:17,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 305 [2024-11-22 17:44:17,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:44:17,908 INFO L124 PetriNetUnfolderBase]: 39/300 cut-off events. [2024-11-22 17:44:17,908 INFO L125 PetriNetUnfolderBase]: For 60/81 co-relation queries the response was YES. [2024-11-22 17:44:17,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 300 events. 39/300 cut-off events. For 60/81 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 916 event pairs, 23 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 503. Up to 76 conditions per place. [2024-11-22 17:44:17,910 INFO L140 encePairwiseOnDemand]: 303/305 looper letters, 0 selfloop transitions, 0 changer transitions 152/152 dead transitions. [2024-11-22 17:44:17,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 152 transitions, 394 flow [2024-11-22 17:44:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:44:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:44:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 817 transitions. [2024-11-22 17:44:17,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.892896174863388 [2024-11-22 17:44:17,911 INFO L175 Difference]: Start difference. First operand has 176 places, 150 transitions, 348 flow. Second operand 3 states and 817 transitions. [2024-11-22 17:44:17,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 152 transitions, 394 flow [2024-11-22 17:44:17,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 152 transitions, 387 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:44:17,913 INFO L231 Difference]: Finished difference. Result has 173 places, 0 transitions, 0 flow [2024-11-22 17:44:17,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=173, PETRI_TRANSITIONS=0} [2024-11-22 17:44:17,914 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -122 predicate places. [2024-11-22 17:44:17,914 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 0 transitions, 0 flow [2024-11-22 17:44:17,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:44:17,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2024-11-22 17:44:17,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-11-22 17:44:17,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-11-22 17:44:17,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-11-22 17:44:17,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-11-22 17:44:17,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-11-22 17:44:17,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-11-22 17:44:17,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-11-22 17:44:17,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-11-22 17:44:17,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-11-22 17:44:17,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-11-22 17:44:17,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-11-22 17:44:17,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-11-22 17:44:17,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:44:17,921 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:44:17,930 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:44:17,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:44:17,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:44:17 BasicIcfg [2024-11-22 17:44:17,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:44:17,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:44:17,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:44:17,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:44:17,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:44:08" (3/4) ... [2024-11-22 17:44:17,936 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:44:17,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-22 17:44:17,945 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-22 17:44:17,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-22 17:44:17,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:44:17,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:44:18,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:44:18,031 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:44:18,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:44:18,031 INFO L158 Benchmark]: Toolchain (without parser) took 11344.10ms. Allocated memory was 176.2MB in the beginning and 509.6MB in the end (delta: 333.4MB). Free memory was 104.6MB in the beginning and 387.8MB in the end (delta: -283.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,031 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:44:18,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.31ms. Allocated memory is still 176.2MB. Free memory was 104.5MB in the beginning and 126.2MB in the end (delta: -21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.56ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 122.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,032 INFO L158 Benchmark]: Boogie Preprocessor took 50.86ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 118.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,032 INFO L158 Benchmark]: RCFGBuilder took 752.82ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 78.0MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,032 INFO L158 Benchmark]: TraceAbstraction took 9768.61ms. Allocated memory was 176.2MB in the beginning and 509.6MB in the end (delta: 333.4MB). Free memory was 77.3MB in the beginning and 395.1MB in the end (delta: -317.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,032 INFO L158 Benchmark]: Witness Printer took 96.08ms. Allocated memory is still 509.6MB. Free memory was 395.1MB in the beginning and 387.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 17:44:18,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.31ms. Allocated memory is still 176.2MB. Free memory was 104.5MB in the beginning and 126.2MB in the end (delta: -21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.56ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 122.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.86ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 118.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 752.82ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 78.0MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9768.61ms. Allocated memory was 176.2MB in the beginning and 509.6MB in the end (delta: 333.4MB). Free memory was 77.3MB in the beginning and 395.1MB in the end (delta: -317.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 96.08ms. Allocated memory is still 509.6MB. Free memory was 395.1MB in the beginning and 387.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3942]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3964]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3965]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3960]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3961]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3967]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3904]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3914]: 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 4 procedures, 312 locations, 29 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: 9.7s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1642 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 901 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 676 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3559 IncrementalHoareTripleChecker+Invalid, 4235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 676 mSolverCounterUnsat, 135 mSDtfsCounter, 3559 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1574occurred in iteration=13, InterpolantAutomatonStates: 72, 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, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1251 ConstructedInterpolants, 0 QuantifiedInterpolants, 1989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:44:18,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE