./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/weaver/parallel-misc-3-extended.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8cea87724a542982ff884c708bfc22195aa1904db80300e5b965108c3d86cb2f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:58:43,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:58:43,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:58:43,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:58:43,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:58:43,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:58:43,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:58:43,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:58:43,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:58:43,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:58:43,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:58:43,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:58:43,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:58:43,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:58:43,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:58:43,287 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:58:43,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:58:43,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:58:43,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:58:43,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:58:43,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:58:43,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:58:43,293 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:58:43,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:58:43,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:58:43,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:58:43,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:58:43,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:58:43,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:58:43,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:58:43,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:58:43,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:58:43,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:58:43,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:58:43,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:58:43,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:58:43,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:58:43,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:58:43,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:58:43,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:58:43,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:58:43,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cea87724a542982ff884c708bfc22195aa1904db80300e5b965108c3d86cb2f [2024-11-19 05:58:43,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:58:43,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:58:43,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:58:43,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:58:43,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:58:43,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2024-11-19 05:58:45,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:58:45,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:58:45,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2024-11-19 05:58:45,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30baa1f1d/4a7e5cc1451a400db4dffaa3c6f429aa/FLAG5f5c3c156 [2024-11-19 05:58:45,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30baa1f1d/4a7e5cc1451a400db4dffaa3c6f429aa [2024-11-19 05:58:45,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:58:45,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:58:45,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:58:45,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:58:45,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:58:45,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c6d645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45, skipping insertion in model container [2024-11-19 05:58:45,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:58:45,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:58:45,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:58:45,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:58:45,622 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:58:45,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45 WrapperNode [2024-11-19 05:58:45,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:58:45,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:58:45,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:58:45,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:58:45,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,661 INFO L138 Inliner]: procedures = 19, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-19 05:58:45,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:58:45,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:58:45,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:58:45,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:58:45,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:58:45,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:58:45,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:58:45,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:58:45,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (1/1) ... [2024-11-19 05:58:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:58:45,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:58:45,749 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) [2024-11-19 05:58:45,752 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 [2024-11-19 05:58:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:58:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:58:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:58:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:58:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:58:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 05:58:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 05:58:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:58:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:58:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:58:45,811 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:58:45,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:58:45,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:58:46,392 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:58:46,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:58:46,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:58:46,432 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 05:58:46,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:58:46 BoogieIcfgContainer [2024-11-19 05:58:46,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:58:46,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:58:46,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:58:46,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:58:46,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:58:45" (1/3) ... [2024-11-19 05:58:46,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50daf6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:58:46, skipping insertion in model container [2024-11-19 05:58:46,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:58:45" (2/3) ... [2024-11-19 05:58:46,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50daf6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:58:46, skipping insertion in model container [2024-11-19 05:58:46,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:58:46" (3/3) ... [2024-11-19 05:58:46,443 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2024-11-19 05:58:46,459 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:58:46,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-19 05:58:46,461 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:58:46,574 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 05:58:46,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 222 transitions, 465 flow [2024-11-19 05:58:46,725 INFO L124 PetriNetUnfolderBase]: 16/219 cut-off events. [2024-11-19 05:58:46,726 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:58:46,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 219 events. 16/219 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 460 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 159. Up to 4 conditions per place. [2024-11-19 05:58:46,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 222 transitions, 465 flow [2024-11-19 05:58:46,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 202 transitions, 419 flow [2024-11-19 05:58:46,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:58:46,773 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;@51c4825b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:58:46,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-11-19 05:58:46,780 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:58:46,780 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-19 05:58:46,781 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:58:46,781 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:46,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:46,783 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:46,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash 611623975, now seen corresponding path program 1 times [2024-11-19 05:58:46,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219429338] [2024-11-19 05:58:46,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:46,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:46,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219429338] [2024-11-19 05:58:46,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219429338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:46,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:46,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:46,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892629280] [2024-11-19 05:58:46,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:46,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:47,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:47,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:47,055 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-19 05:58:47,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 202 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:47,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:47,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-19 05:58:47,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:47,188 INFO L124 PetriNetUnfolderBase]: 33/297 cut-off events. [2024-11-19 05:58:47,189 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-19 05:58:47,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 297 events. 33/297 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1080 event pairs, 12 based on Foata normal form. 29/269 useless extension candidates. Maximal degree in co-relation 299. Up to 42 conditions per place. [2024-11-19 05:58:47,195 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 14 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-11-19 05:58:47,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 198 transitions, 443 flow [2024-11-19 05:58:47,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-19 05:58:47,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2024-11-19 05:58:47,217 INFO L175 Difference]: Start difference. First operand has 197 places, 202 transitions, 419 flow. Second operand 3 states and 614 transitions. [2024-11-19 05:58:47,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 198 transitions, 443 flow [2024-11-19 05:58:47,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 198 transitions, 434 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:58:47,226 INFO L231 Difference]: Finished difference. Result has 193 places, 198 transitions, 406 flow [2024-11-19 05:58:47,228 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=193, PETRI_TRANSITIONS=198} [2024-11-19 05:58:47,232 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2024-11-19 05:58:47,232 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 198 transitions, 406 flow [2024-11-19 05:58:47,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:47,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:47,233 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] [2024-11-19 05:58:47,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:58:47,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:47,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:47,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1219041097, now seen corresponding path program 1 times [2024-11-19 05:58:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538711919] [2024-11-19 05:58:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:47,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:47,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538711919] [2024-11-19 05:58:47,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538711919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:47,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:47,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:47,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131814515] [2024-11-19 05:58:47,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:47,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:47,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:47,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:47,319 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-19 05:58:47,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 198 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:47,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:47,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-19 05:58:47,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:47,416 INFO L124 PetriNetUnfolderBase]: 81/580 cut-off events. [2024-11-19 05:58:47,417 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 05:58:47,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 580 events. 81/580 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3220 event pairs, 36 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 675. Up to 84 conditions per place. [2024-11-19 05:58:47,429 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 14 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2024-11-19 05:58:47,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 197 transitions, 436 flow [2024-11-19 05:58:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2024-11-19 05:58:47,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9174174174174174 [2024-11-19 05:58:47,433 INFO L175 Difference]: Start difference. First operand has 193 places, 198 transitions, 406 flow. Second operand 3 states and 611 transitions. [2024-11-19 05:58:47,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 197 transitions, 436 flow [2024-11-19 05:58:47,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 197 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:47,438 INFO L231 Difference]: Finished difference. Result has 192 places, 197 transitions, 404 flow [2024-11-19 05:58:47,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=192, PETRI_TRANSITIONS=197} [2024-11-19 05:58:47,439 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -5 predicate places. [2024-11-19 05:58:47,439 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 197 transitions, 404 flow [2024-11-19 05:58:47,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:47,440 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:47,440 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] [2024-11-19 05:58:47,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:58:47,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:47,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:47,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1490207335, now seen corresponding path program 1 times [2024-11-19 05:58:47,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:47,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076652910] [2024-11-19 05:58:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:47,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:47,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076652910] [2024-11-19 05:58:47,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076652910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:47,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:47,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:47,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682049195] [2024-11-19 05:58:47,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:47,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:47,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:47,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:47,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:47,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-19 05:58:47,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:47,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:47,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-19 05:58:47,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:47,664 INFO L124 PetriNetUnfolderBase]: 48/406 cut-off events. [2024-11-19 05:58:47,665 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:58:47,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 406 events. 48/406 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1894 event pairs, 20 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 443. Up to 55 conditions per place. [2024-11-19 05:58:47,674 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 14 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2024-11-19 05:58:47,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 196 transitions, 434 flow [2024-11-19 05:58:47,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2024-11-19 05:58:47,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9174174174174174 [2024-11-19 05:58:47,678 INFO L175 Difference]: Start difference. First operand has 192 places, 197 transitions, 404 flow. Second operand 3 states and 611 transitions. [2024-11-19 05:58:47,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 196 transitions, 434 flow [2024-11-19 05:58:47,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 196 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:47,684 INFO L231 Difference]: Finished difference. Result has 191 places, 196 transitions, 402 flow [2024-11-19 05:58:47,685 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=191, PETRI_TRANSITIONS=196} [2024-11-19 05:58:47,687 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -6 predicate places. [2024-11-19 05:58:47,687 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 196 transitions, 402 flow [2024-11-19 05:58:47,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:47,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:47,689 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] [2024-11-19 05:58:47,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:58:47,689 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:47,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash 30521406, now seen corresponding path program 1 times [2024-11-19 05:58:47,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:47,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441136797] [2024-11-19 05:58:47,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:47,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:47,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:47,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441136797] [2024-11-19 05:58:47,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441136797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:47,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:47,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:47,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058064813] [2024-11-19 05:58:47,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:47,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:47,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:47,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:47,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:47,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-19 05:58:47,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2024-11-19 05:58:47,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:47,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-19 05:58:47,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:47,856 INFO L124 PetriNetUnfolderBase]: 28/289 cut-off events. [2024-11-19 05:58:47,857 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:58:47,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 289 events. 28/289 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1018 event pairs, 8 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 303. Up to 31 conditions per place. [2024-11-19 05:58:47,862 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 12 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-19 05:58:47,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 195 transitions, 428 flow [2024-11-19 05:58:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2024-11-19 05:58:47,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234234234234234 [2024-11-19 05:58:47,866 INFO L175 Difference]: Start difference. First operand has 191 places, 196 transitions, 402 flow. Second operand 3 states and 615 transitions. [2024-11-19 05:58:47,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 195 transitions, 428 flow [2024-11-19 05:58:47,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 195 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:47,870 INFO L231 Difference]: Finished difference. Result has 190 places, 195 transitions, 400 flow [2024-11-19 05:58:47,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=190, PETRI_TRANSITIONS=195} [2024-11-19 05:58:47,871 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -7 predicate places. [2024-11-19 05:58:47,872 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 195 transitions, 400 flow [2024-11-19 05:58:47,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2024-11-19 05:58:47,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:47,873 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] [2024-11-19 05:58:47,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:58:47,873 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:47,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash -140001033, now seen corresponding path program 1 times [2024-11-19 05:58:47,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:47,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385394397] [2024-11-19 05:58:47,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:47,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:47,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:47,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385394397] [2024-11-19 05:58:47,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385394397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:47,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:47,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:47,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774310200] [2024-11-19 05:58:47,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:47,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:47,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-19 05:58:47,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2024-11-19 05:58:47,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:47,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-19 05:58:47,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:48,019 INFO L124 PetriNetUnfolderBase]: 64/560 cut-off events. [2024-11-19 05:58:48,020 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:48,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 560 events. 64/560 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3023 event pairs, 20 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 597. Up to 53 conditions per place. [2024-11-19 05:58:48,028 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 12 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2024-11-19 05:58:48,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 194 transitions, 426 flow [2024-11-19 05:58:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2024-11-19 05:58:48,032 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234234234234234 [2024-11-19 05:58:48,032 INFO L175 Difference]: Start difference. First operand has 190 places, 195 transitions, 400 flow. Second operand 3 states and 615 transitions. [2024-11-19 05:58:48,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 194 transitions, 426 flow [2024-11-19 05:58:48,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 194 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:48,035 INFO L231 Difference]: Finished difference. Result has 189 places, 194 transitions, 398 flow [2024-11-19 05:58:48,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=189, PETRI_TRANSITIONS=194} [2024-11-19 05:58:48,037 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -8 predicate places. [2024-11-19 05:58:48,037 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 194 transitions, 398 flow [2024-11-19 05:58:48,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2024-11-19 05:58:48,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:48,038 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] [2024-11-19 05:58:48,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:58:48,038 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:48,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash 322502155, now seen corresponding path program 1 times [2024-11-19 05:58:48,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:48,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981512910] [2024-11-19 05:58:48,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:48,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:48,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981512910] [2024-11-19 05:58:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981512910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:48,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:48,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:48,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679392153] [2024-11-19 05:58:48,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:48,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:48,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-19 05:58:48,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2024-11-19 05:58:48,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:48,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-19 05:58:48,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:48,199 INFO L124 PetriNetUnfolderBase]: 45/431 cut-off events. [2024-11-19 05:58:48,199 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:58:48,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 431 events. 45/431 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1964 event pairs, 12 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 437. Up to 39 conditions per place. [2024-11-19 05:58:48,206 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 12 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-11-19 05:58:48,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 424 flow [2024-11-19 05:58:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2024-11-19 05:58:48,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234234234234234 [2024-11-19 05:58:48,209 INFO L175 Difference]: Start difference. First operand has 189 places, 194 transitions, 398 flow. Second operand 3 states and 615 transitions. [2024-11-19 05:58:48,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 424 flow [2024-11-19 05:58:48,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:48,213 INFO L231 Difference]: Finished difference. Result has 188 places, 193 transitions, 396 flow [2024-11-19 05:58:48,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=188, PETRI_TRANSITIONS=193} [2024-11-19 05:58:48,216 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-19 05:58:48,216 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 193 transitions, 396 flow [2024-11-19 05:58:48,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2024-11-19 05:58:48,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:48,217 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] [2024-11-19 05:58:48,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:58:48,217 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:48,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:48,217 INFO L85 PathProgramCache]: Analyzing trace with hash 784826287, now seen corresponding path program 1 times [2024-11-19 05:58:48,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:48,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469887438] [2024-11-19 05:58:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:48,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:48,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:48,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469887438] [2024-11-19 05:58:48,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469887438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:48,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:48,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:48,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863898131] [2024-11-19 05:58:48,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:48,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:48,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:48,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:48,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:48,273 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 222 [2024-11-19 05:58:48,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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) [2024-11-19 05:58:48,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:48,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 222 [2024-11-19 05:58:48,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:48,328 INFO L124 PetriNetUnfolderBase]: 42/418 cut-off events. [2024-11-19 05:58:48,329 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:58:48,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 418 events. 42/418 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1685 event pairs, 6 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 424. Up to 27 conditions per place. [2024-11-19 05:58:48,335 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 12 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-19 05:58:48,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 195 transitions, 431 flow [2024-11-19 05:58:48,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2024-11-19 05:58:48,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9414414414414415 [2024-11-19 05:58:48,338 INFO L175 Difference]: Start difference. First operand has 188 places, 193 transitions, 396 flow. Second operand 3 states and 627 transitions. [2024-11-19 05:58:48,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 195 transitions, 431 flow [2024-11-19 05:58:48,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 195 transitions, 427 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:48,341 INFO L231 Difference]: Finished difference. Result has 188 places, 193 transitions, 400 flow [2024-11-19 05:58:48,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=188, PETRI_TRANSITIONS=193} [2024-11-19 05:58:48,343 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-19 05:58:48,344 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 193 transitions, 400 flow [2024-11-19 05:58:48,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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) [2024-11-19 05:58:48,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:48,345 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] [2024-11-19 05:58:48,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:58:48,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:48,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1041498184, now seen corresponding path program 1 times [2024-11-19 05:58:48,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:48,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470586917] [2024-11-19 05:58:48,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:48,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:48,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:48,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470586917] [2024-11-19 05:58:48,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470586917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:48,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:48,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:48,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329435892] [2024-11-19 05:58:48,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:48,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:48,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:48,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:48,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:48,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-19 05:58:48,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 193 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:48,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:48,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-19 05:58:48,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:48,491 INFO L124 PetriNetUnfolderBase]: 38/297 cut-off events. [2024-11-19 05:58:48,491 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:58:48,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 297 events. 38/297 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1155 event pairs, 2 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 315. Up to 45 conditions per place. [2024-11-19 05:58:48,496 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 17 selfloop transitions, 3 changer transitions 0/195 dead transitions. [2024-11-19 05:58:48,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 195 transitions, 449 flow [2024-11-19 05:58:48,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2024-11-19 05:58:48,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264264264264265 [2024-11-19 05:58:48,499 INFO L175 Difference]: Start difference. First operand has 188 places, 193 transitions, 400 flow. Second operand 3 states and 617 transitions. [2024-11-19 05:58:48,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 195 transitions, 449 flow [2024-11-19 05:58:48,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 195 transitions, 447 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:48,503 INFO L231 Difference]: Finished difference. Result has 187 places, 191 transitions, 405 flow [2024-11-19 05:58:48,503 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=187, PETRI_TRANSITIONS=191} [2024-11-19 05:58:48,504 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2024-11-19 05:58:48,504 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 191 transitions, 405 flow [2024-11-19 05:58:48,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-19 05:58:48,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:48,505 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] [2024-11-19 05:58:48,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:58:48,506 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:48,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:48,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1027799122, now seen corresponding path program 1 times [2024-11-19 05:58:48,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:48,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249812481] [2024-11-19 05:58:48,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:48,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:48,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:48,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249812481] [2024-11-19 05:58:48,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249812481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:48,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:48,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:48,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146654216] [2024-11-19 05:58:48,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:48,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:48,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:48,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:48,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:48,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 222 [2024-11-19 05:58:48,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 191 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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) [2024-11-19 05:58:48,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:48,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 222 [2024-11-19 05:58:48,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:48,672 INFO L124 PetriNetUnfolderBase]: 91/740 cut-off events. [2024-11-19 05:58:48,673 INFO L125 PetriNetUnfolderBase]: For 11/22 co-relation queries the response was YES. [2024-11-19 05:58:48,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 740 events. 91/740 cut-off events. For 11/22 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4544 event pairs, 13 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 733. Up to 49 conditions per place. [2024-11-19 05:58:48,683 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 14 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-19 05:58:48,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 195 transitions, 448 flow [2024-11-19 05:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2024-11-19 05:58:48,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-19 05:58:48,686 INFO L175 Difference]: Start difference. First operand has 187 places, 191 transitions, 405 flow. Second operand 3 states and 629 transitions. [2024-11-19 05:58:48,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 195 transitions, 448 flow [2024-11-19 05:58:48,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 195 transitions, 445 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:48,689 INFO L231 Difference]: Finished difference. Result has 188 places, 191 transitions, 410 flow [2024-11-19 05:58:48,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=188, PETRI_TRANSITIONS=191} [2024-11-19 05:58:48,691 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-19 05:58:48,691 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 191 transitions, 410 flow [2024-11-19 05:58:48,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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) [2024-11-19 05:58:48,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:48,692 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] [2024-11-19 05:58:48,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:58:48,692 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:48,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:48,693 INFO L85 PathProgramCache]: Analyzing trace with hash -341201403, now seen corresponding path program 1 times [2024-11-19 05:58:48,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:48,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675093101] [2024-11-19 05:58:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:48,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:48,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:48,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675093101] [2024-11-19 05:58:48,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675093101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:48,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:48,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:48,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820442979] [2024-11-19 05:58:48,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:48,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:48,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:48,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:48,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:48,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-19 05:58:48,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 191 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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) [2024-11-19 05:58:48,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:48,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-19 05:58:48,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:48,900 INFO L124 PetriNetUnfolderBase]: 146/1013 cut-off events. [2024-11-19 05:58:48,901 INFO L125 PetriNetUnfolderBase]: For 26/32 co-relation queries the response was YES. [2024-11-19 05:58:48,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 1013 events. 146/1013 cut-off events. For 26/32 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 7239 event pairs, 29 based on Foata normal form. 1/839 useless extension candidates. Maximal degree in co-relation 1121. Up to 112 conditions per place. [2024-11-19 05:58:48,917 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 18 selfloop transitions, 3 changer transitions 0/194 dead transitions. [2024-11-19 05:58:48,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 194 transitions, 462 flow [2024-11-19 05:58:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2024-11-19 05:58:48,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2024-11-19 05:58:48,920 INFO L175 Difference]: Start difference. First operand has 188 places, 191 transitions, 410 flow. Second operand 3 states and 618 transitions. [2024-11-19 05:58:48,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 194 transitions, 462 flow [2024-11-19 05:58:48,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 194 transitions, 460 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:48,924 INFO L231 Difference]: Finished difference. Result has 187 places, 189 transitions, 415 flow [2024-11-19 05:58:48,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=187, PETRI_TRANSITIONS=189} [2024-11-19 05:58:48,925 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2024-11-19 05:58:48,926 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 189 transitions, 415 flow [2024-11-19 05:58:48,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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) [2024-11-19 05:58:48,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:48,926 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] [2024-11-19 05:58:48,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:58:48,927 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:48,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:48,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1787236039, now seen corresponding path program 1 times [2024-11-19 05:58:48,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:48,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306000402] [2024-11-19 05:58:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:48,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:48,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:48,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306000402] [2024-11-19 05:58:48,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306000402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:48,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:48,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:48,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682917656] [2024-11-19 05:58:48,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:48,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:48,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:48,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:48,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-19 05:58:49,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 189 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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) [2024-11-19 05:58:49,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-19 05:58:49,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:49,065 INFO L124 PetriNetUnfolderBase]: 38/300 cut-off events. [2024-11-19 05:58:49,065 INFO L125 PetriNetUnfolderBase]: For 10/30 co-relation queries the response was YES. [2024-11-19 05:58:49,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 300 events. 38/300 cut-off events. For 10/30 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1206 event pairs, 14 based on Foata normal form. 1/265 useless extension candidates. Maximal degree in co-relation 370. Up to 49 conditions per place. [2024-11-19 05:58:49,069 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2024-11-19 05:58:49,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 190 transitions, 456 flow [2024-11-19 05:58:49,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2024-11-19 05:58:49,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2024-11-19 05:58:49,072 INFO L175 Difference]: Start difference. First operand has 187 places, 189 transitions, 415 flow. Second operand 3 states and 618 transitions. [2024-11-19 05:58:49,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 190 transitions, 456 flow [2024-11-19 05:58:49,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 190 transitions, 453 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:49,077 INFO L231 Difference]: Finished difference. Result has 187 places, 188 transitions, 414 flow [2024-11-19 05:58:49,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=187, PETRI_TRANSITIONS=188} [2024-11-19 05:58:49,078 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2024-11-19 05:58:49,078 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 188 transitions, 414 flow [2024-11-19 05:58:49,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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) [2024-11-19 05:58:49,079 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:49,079 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] [2024-11-19 05:58:49,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:58:49,079 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:49,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash -935927553, now seen corresponding path program 1 times [2024-11-19 05:58:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:49,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059165768] [2024-11-19 05:58:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:49,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059165768] [2024-11-19 05:58:49,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059165768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:49,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:49,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803051274] [2024-11-19 05:58:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:49,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:49,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:49,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,126 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 222 [2024-11-19 05:58:49,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 188 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2024-11-19 05:58:49,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 222 [2024-11-19 05:58:49,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:49,205 INFO L124 PetriNetUnfolderBase]: 80/662 cut-off events. [2024-11-19 05:58:49,205 INFO L125 PetriNetUnfolderBase]: For 22/28 co-relation queries the response was YES. [2024-11-19 05:58:49,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 662 events. 80/662 cut-off events. For 22/28 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3561 event pairs, 12 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 598. Up to 49 conditions per place. [2024-11-19 05:58:49,214 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 14 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2024-11-19 05:58:49,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 192 transitions, 456 flow [2024-11-19 05:58:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2024-11-19 05:58:49,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-19 05:58:49,216 INFO L175 Difference]: Start difference. First operand has 187 places, 188 transitions, 414 flow. Second operand 3 states and 629 transitions. [2024-11-19 05:58:49,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 192 transitions, 456 flow [2024-11-19 05:58:49,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 192 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:49,220 INFO L231 Difference]: Finished difference. Result has 187 places, 188 transitions, 418 flow [2024-11-19 05:58:49,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=187, PETRI_TRANSITIONS=188} [2024-11-19 05:58:49,223 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2024-11-19 05:58:49,224 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 188 transitions, 418 flow [2024-11-19 05:58:49,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2024-11-19 05:58:49,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:49,225 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] [2024-11-19 05:58:49,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:58:49,225 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:49,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:49,226 INFO L85 PathProgramCache]: Analyzing trace with hash 710584830, now seen corresponding path program 1 times [2024-11-19 05:58:49,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:49,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972968408] [2024-11-19 05:58:49,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:49,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:49,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:49,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972968408] [2024-11-19 05:58:49,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972968408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:49,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:49,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:49,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780319702] [2024-11-19 05:58:49,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:49,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:49,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:49,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:49,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-19 05:58:49,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 188 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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) [2024-11-19 05:58:49,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-19 05:58:49,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:49,425 INFO L124 PetriNetUnfolderBase]: 112/682 cut-off events. [2024-11-19 05:58:49,425 INFO L125 PetriNetUnfolderBase]: For 52/62 co-relation queries the response was YES. [2024-11-19 05:58:49,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 682 events. 112/682 cut-off events. For 52/62 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4053 event pairs, 12 based on Foata normal form. 0/586 useless extension candidates. Maximal degree in co-relation 650. Up to 111 conditions per place. [2024-11-19 05:58:49,434 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 17 selfloop transitions, 3 changer transitions 0/190 dead transitions. [2024-11-19 05:58:49,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 190 transitions, 464 flow [2024-11-19 05:58:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2024-11-19 05:58:49,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264264264264265 [2024-11-19 05:58:49,437 INFO L175 Difference]: Start difference. First operand has 187 places, 188 transitions, 418 flow. Second operand 3 states and 617 transitions. [2024-11-19 05:58:49,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 190 transitions, 464 flow [2024-11-19 05:58:49,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 190 transitions, 462 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:49,443 INFO L231 Difference]: Finished difference. Result has 186 places, 186 transitions, 423 flow [2024-11-19 05:58:49,445 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=423, PETRI_PLACES=186, PETRI_TRANSITIONS=186} [2024-11-19 05:58:49,445 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -11 predicate places. [2024-11-19 05:58:49,446 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 186 transitions, 423 flow [2024-11-19 05:58:49,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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) [2024-11-19 05:58:49,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:49,447 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:49,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:58:49,447 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:49,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1689032652, now seen corresponding path program 1 times [2024-11-19 05:58:49,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:49,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754160833] [2024-11-19 05:58:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:49,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:49,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754160833] [2024-11-19 05:58:49,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754160833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:49,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:49,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:49,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933077803] [2024-11-19 05:58:49,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:49,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:49,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:49,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:49,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-19 05:58:49,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 186 transitions, 423 flow. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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) [2024-11-19 05:58:49,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-19 05:58:49,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:49,615 INFO L124 PetriNetUnfolderBase]: 115/655 cut-off events. [2024-11-19 05:58:49,616 INFO L125 PetriNetUnfolderBase]: For 37/41 co-relation queries the response was YES. [2024-11-19 05:58:49,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 959 conditions, 655 events. 115/655 cut-off events. For 37/41 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4006 event pairs, 49 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 810. Up to 114 conditions per place. [2024-11-19 05:58:49,626 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2024-11-19 05:58:49,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 189 transitions, 472 flow [2024-11-19 05:58:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 620 transitions. [2024-11-19 05:58:49,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9309309309309309 [2024-11-19 05:58:49,629 INFO L175 Difference]: Start difference. First operand has 186 places, 186 transitions, 423 flow. Second operand 3 states and 620 transitions. [2024-11-19 05:58:49,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 189 transitions, 472 flow [2024-11-19 05:58:49,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 189 transitions, 469 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:58:49,634 INFO L231 Difference]: Finished difference. Result has 186 places, 185 transitions, 422 flow [2024-11-19 05:58:49,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=186, PETRI_TRANSITIONS=185} [2024-11-19 05:58:49,635 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -11 predicate places. [2024-11-19 05:58:49,635 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 185 transitions, 422 flow [2024-11-19 05:58:49,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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) [2024-11-19 05:58:49,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:49,636 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] [2024-11-19 05:58:49,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:58:49,636 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:49,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:49,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1166589893, now seen corresponding path program 1 times [2024-11-19 05:58:49,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:49,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131221256] [2024-11-19 05:58:49,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:49,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:49,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131221256] [2024-11-19 05:58:49,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131221256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:49,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:49,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:49,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956269199] [2024-11-19 05:58:49,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:49,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:49,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:49,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:49,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-19 05:58:49,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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) [2024-11-19 05:58:49,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-19 05:58:49,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:49,788 INFO L124 PetriNetUnfolderBase]: 108/654 cut-off events. [2024-11-19 05:58:49,788 INFO L125 PetriNetUnfolderBase]: For 65/87 co-relation queries the response was YES. [2024-11-19 05:58:49,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 654 events. 108/654 cut-off events. For 65/87 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3705 event pairs, 44 based on Foata normal form. 1/570 useless extension candidates. Maximal degree in co-relation 682. Up to 115 conditions per place. [2024-11-19 05:58:49,796 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-11-19 05:58:49,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 188 transitions, 470 flow [2024-11-19 05:58:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 620 transitions. [2024-11-19 05:58:49,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9309309309309309 [2024-11-19 05:58:49,799 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 422 flow. Second operand 3 states and 620 transitions. [2024-11-19 05:58:49,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 188 transitions, 470 flow [2024-11-19 05:58:49,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 188 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:49,803 INFO L231 Difference]: Finished difference. Result has 185 places, 184 transitions, 420 flow [2024-11-19 05:58:49,803 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=185, PETRI_TRANSITIONS=184} [2024-11-19 05:58:49,804 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -12 predicate places. [2024-11-19 05:58:49,804 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 184 transitions, 420 flow [2024-11-19 05:58:49,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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) [2024-11-19 05:58:49,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:49,805 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] [2024-11-19 05:58:49,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:58:49,805 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:49,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:49,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1958613729, now seen corresponding path program 1 times [2024-11-19 05:58:49,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:49,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119223801] [2024-11-19 05:58:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:49,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:49,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:49,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119223801] [2024-11-19 05:58:49,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119223801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:49,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:49,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:49,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171575846] [2024-11-19 05:58:49,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:49,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:49,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:49,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:49,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 222 [2024-11-19 05:58:49,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 184 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-19 05:58:49,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 222 [2024-11-19 05:58:49,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:49,933 INFO L124 PetriNetUnfolderBase]: 36/309 cut-off events. [2024-11-19 05:58:49,933 INFO L125 PetriNetUnfolderBase]: For 10/19 co-relation queries the response was YES. [2024-11-19 05:58:49,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 309 events. 36/309 cut-off events. For 10/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1231 event pairs, 12 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 397. Up to 44 conditions per place. [2024-11-19 05:58:49,938 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 14 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2024-11-19 05:58:49,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 185 transitions, 457 flow [2024-11-19 05:58:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 622 transitions. [2024-11-19 05:58:49,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.933933933933934 [2024-11-19 05:58:49,940 INFO L175 Difference]: Start difference. First operand has 185 places, 184 transitions, 420 flow. Second operand 3 states and 622 transitions. [2024-11-19 05:58:49,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 185 transitions, 457 flow [2024-11-19 05:58:49,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 185 transitions, 453 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:49,943 INFO L231 Difference]: Finished difference. Result has 184 places, 183 transitions, 418 flow [2024-11-19 05:58:49,944 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=184, PETRI_TRANSITIONS=183} [2024-11-19 05:58:49,944 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -13 predicate places. [2024-11-19 05:58:49,944 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 183 transitions, 418 flow [2024-11-19 05:58:49,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-19 05:58:49,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:49,945 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] [2024-11-19 05:58:49,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:58:49,946 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:49,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:49,946 INFO L85 PathProgramCache]: Analyzing trace with hash 362603636, now seen corresponding path program 1 times [2024-11-19 05:58:49,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:49,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137834303] [2024-11-19 05:58:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:49,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:49,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:49,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137834303] [2024-11-19 05:58:49,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137834303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:49,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:49,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:49,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539162278] [2024-11-19 05:58:49,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:49,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:49,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:49,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:49,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:49,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 222 [2024-11-19 05:58:49,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 183 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-19 05:58:49,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:49,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 222 [2024-11-19 05:58:49,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:50,076 INFO L124 PetriNetUnfolderBase]: 106/664 cut-off events. [2024-11-19 05:58:50,076 INFO L125 PetriNetUnfolderBase]: For 35/38 co-relation queries the response was YES. [2024-11-19 05:58:50,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 664 events. 106/664 cut-off events. For 35/38 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3954 event pairs, 40 based on Foata normal form. 0/594 useless extension candidates. Maximal degree in co-relation 930. Up to 97 conditions per place. [2024-11-19 05:58:50,085 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2024-11-19 05:58:50,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 186 transitions, 463 flow [2024-11-19 05:58:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2024-11-19 05:58:50,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9369369369369369 [2024-11-19 05:58:50,088 INFO L175 Difference]: Start difference. First operand has 184 places, 183 transitions, 418 flow. Second operand 3 states and 624 transitions. [2024-11-19 05:58:50,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 186 transitions, 463 flow [2024-11-19 05:58:50,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 186 transitions, 459 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:50,092 INFO L231 Difference]: Finished difference. Result has 183 places, 182 transitions, 416 flow [2024-11-19 05:58:50,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=183, PETRI_TRANSITIONS=182} [2024-11-19 05:58:50,092 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -14 predicate places. [2024-11-19 05:58:50,093 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 182 transitions, 416 flow [2024-11-19 05:58:50,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-19 05:58:50,093 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:50,093 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] [2024-11-19 05:58:50,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:58:50,094 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-19 05:58:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1700835731, now seen corresponding path program 1 times [2024-11-19 05:58:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:50,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388722139] [2024-11-19 05:58:50,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:50,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:50,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:50,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388722139] [2024-11-19 05:58:50,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388722139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:50,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:50,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:50,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398819703] [2024-11-19 05:58:50,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:50,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:50,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:50,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:50,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:50,148 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 222 [2024-11-19 05:58:50,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 182 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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) [2024-11-19 05:58:50,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:50,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 222 [2024-11-19 05:58:50,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:50,226 INFO L124 PetriNetUnfolderBase]: 98/627 cut-off events. [2024-11-19 05:58:50,226 INFO L125 PetriNetUnfolderBase]: For 62/67 co-relation queries the response was YES. [2024-11-19 05:58:50,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 879 conditions, 627 events. 98/627 cut-off events. For 62/67 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3564 event pairs, 36 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 846. Up to 98 conditions per place. [2024-11-19 05:58:50,233 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 0 selfloop transitions, 0 changer transitions 185/185 dead transitions. [2024-11-19 05:58:50,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 185 transitions, 460 flow [2024-11-19 05:58:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2024-11-19 05:58:50,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9369369369369369 [2024-11-19 05:58:50,235 INFO L175 Difference]: Start difference. First operand has 183 places, 182 transitions, 416 flow. Second operand 3 states and 624 transitions. [2024-11-19 05:58:50,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 185 transitions, 460 flow [2024-11-19 05:58:50,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 185 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:50,237 INFO L231 Difference]: Finished difference. Result has 182 places, 0 transitions, 0 flow [2024-11-19 05:58:50,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=182, PETRI_TRANSITIONS=0} [2024-11-19 05:58:50,238 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -15 predicate places. [2024-11-19 05:58:50,238 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 0 transitions, 0 flow [2024-11-19 05:58:50,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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) [2024-11-19 05:58:50,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2024-11-19 05:58:50,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-11-19 05:58:50,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-11-19 05:58:50,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-11-19 05:58:50,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-11-19 05:58:50,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-11-19 05:58:50,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-11-19 05:58:50,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 45 remaining) [2024-11-19 05:58:50,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 45 remaining) [2024-11-19 05:58:50,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-11-19 05:58:50,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-11-19 05:58:50,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-11-19 05:58:50,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-11-19 05:58:50,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-11-19 05:58:50,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-11-19 05:58:50,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-11-19 05:58:50,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-11-19 05:58:50,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-11-19 05:58:50,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-11-19 05:58:50,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-11-19 05:58:50,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-11-19 05:58:50,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-11-19 05:58:50,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-11-19 05:58:50,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-11-19 05:58:50,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-11-19 05:58:50,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:58:50,249 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:50,255 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:58:50,256 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:58:50,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:58:50 BasicIcfg [2024-11-19 05:58:50,262 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:58:50,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:58:50,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:58:50,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:58:50,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:58:46" (3/4) ... [2024-11-19 05:58:50,265 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:58:50,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 05:58:50,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 05:58:50,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-19 05:58:50,273 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-19 05:58:50,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 05:58:50,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:58:50,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:58:50,370 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:58:50,370 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:58:50,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:58:50,371 INFO L158 Benchmark]: Toolchain (without parser) took 5081.88ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 117.5MB in the beginning and 192.8MB in the end (delta: -75.3MB). Peak memory consumption was 133.6MB. Max. memory is 16.1GB. [2024-11-19 05:58:50,371 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:58:50,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.75ms. Allocated memory is still 146.8MB. Free memory was 116.9MB in the beginning and 103.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 05:58:50,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.46ms. Allocated memory is still 146.8MB. Free memory was 103.5MB in the beginning and 101.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:58:50,372 INFO L158 Benchmark]: Boogie Preprocessor took 38.05ms. Allocated memory is still 146.8MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:58:50,372 INFO L158 Benchmark]: RCFGBuilder took 731.94ms. Allocated memory is still 146.8MB. Free memory was 100.1MB in the beginning and 108.7MB in the end (delta: -8.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 05:58:50,372 INFO L158 Benchmark]: TraceAbstraction took 3827.52ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 108.1MB in the beginning and 66.7MB in the end (delta: 41.4MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2024-11-19 05:58:50,372 INFO L158 Benchmark]: Witness Printer took 108.02ms. Allocated memory is still 226.5MB. Free memory was 66.7MB in the beginning and 192.8MB in the end (delta: -126.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:58:50,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.75ms. Allocated memory is still 146.8MB. Free memory was 116.9MB in the beginning and 103.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.46ms. Allocated memory is still 146.8MB. Free memory was 103.5MB in the beginning and 101.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.05ms. Allocated memory is still 146.8MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 731.94ms. Allocated memory is still 146.8MB. Free memory was 100.1MB in the beginning and 108.7MB in the end (delta: -8.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3827.52ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 108.1MB in the beginning and 66.7MB in the end (delta: 41.4MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * Witness Printer took 108.02ms. Allocated memory is still 226.5MB. Free memory was 66.7MB in the beginning and 192.8MB in the end (delta: -126.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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 7 procedures, 326 locations, 45 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: 3.6s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 630 IncrementalHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 26 mSDtfsCounter, 630 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=423occurred in iteration=13, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1052 NumberOfCodeBlocks, 1052 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1034 ConstructedInterpolants, 0 QuantifiedInterpolants, 1070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 05:58:50,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE