./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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/ldv-races/race-2_4-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:23:48,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:23:48,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:23:48,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:23:48,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:23:48,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:23:48,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:23:48,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:23:48,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:23:48,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:23:48,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:23:48,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:23:48,966 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:23:48,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:23:48,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:23:48,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:23:48,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:23:48,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:23:48,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:23:48,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:23:48,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:23:48,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:23:48,976 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:23:48,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:23:48,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:23:48,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:23:48,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:23:48,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:23:48,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:23:48,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:23:48,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:23:48,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:48,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:23:48,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:23:48,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:23:48,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:23:48,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:23:48,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:23:48,981 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:23:48,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:23:48,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:23:48,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 [2024-11-12 12:23:49,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:23:49,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:23:49,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:23:49,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:23:49,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:23:49,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2024-11-12 12:23:50,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:23:51,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:23:51,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2024-11-12 12:23:51,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b0208d4/dccda01053de4d2797bdba166155305e/FLAGd3525297e [2024-11-12 12:23:51,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b0208d4/dccda01053de4d2797bdba166155305e [2024-11-12 12:23:51,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:23:51,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:23:51,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:23:51,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:23:51,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:23:51,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:51" (1/1) ... [2024-11-12 12:23:51,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff2936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:51, skipping insertion in model container [2024-11-12 12:23:51,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:51" (1/1) ... [2024-11-12 12:23:51,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:23:52,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:23:52,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:23:52,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:23:52,344 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:23:52,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52 WrapperNode [2024-11-12 12:23:52,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:23:52,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:23:52,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:23:52,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:23:52,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,432 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2024-11-12 12:23:52,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:23:52,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:23:52,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:23:52,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:23:52,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:23:52,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:23:52,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:23:52,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:23:52,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (1/1) ... [2024-11-12 12:23:52,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:23:52,578 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) [2024-11-12 12:23:52,581 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 [2024-11-12 12:23:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-12 12:23:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-12 12:23:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:23:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:23:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:23:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:23:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:23:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:23:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:23:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:23:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:23:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:23:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:23:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:23:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:23:52,639 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:23:52,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:23:52,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:23:53,407 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:23:53,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:23:53,525 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:23:53,525 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:23:53,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:53 BoogieIcfgContainer [2024-11-12 12:23:53,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:23:53,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:23:53,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:23:53,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:23:53,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:23:51" (1/3) ... [2024-11-12 12:23:53,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c7fe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:53, skipping insertion in model container [2024-11-12 12:23:53,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:52" (2/3) ... [2024-11-12 12:23:53,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c7fe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:53, skipping insertion in model container [2024-11-12 12:23:53,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:53" (3/3) ... [2024-11-12 12:23:53,536 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2024-11-12 12:23:53,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:23:53,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-12 12:23:53,555 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:23:53,647 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:23:53,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 267 transitions, 548 flow [2024-11-12 12:23:53,821 INFO L124 PetriNetUnfolderBase]: 14/359 cut-off events. [2024-11-12 12:23:53,821 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:23:53,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 359 events. 14/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 754 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 185. Up to 4 conditions per place. [2024-11-12 12:23:53,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 267 transitions, 548 flow [2024-11-12 12:23:53,842 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 264 transitions, 540 flow [2024-11-12 12:23:53,853 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:23:53,861 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;@470395c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:23:53,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-12 12:23:53,871 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:23:53,871 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-12 12:23:53,871 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:23:53,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:53,873 INFO L206 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] [2024-11-12 12:23:53,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:23:53,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash -555483010, now seen corresponding path program 1 times [2024-11-12 12:23:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:53,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025561472] [2024-11-12 12:23:53,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:53,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:55,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:55,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025561472] [2024-11-12 12:23:55,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025561472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:55,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:55,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:23:55,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986209944] [2024-11-12 12:23:55,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:55,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:23:55,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:55,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:23:55,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:23:55,413 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-11-12 12:23:55,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 264 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-12 12:23:55,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:55,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-11-12 12:23:55,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:56,380 INFO L124 PetriNetUnfolderBase]: 1296/4016 cut-off events. [2024-11-12 12:23:56,381 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-12 12:23:56,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6179 conditions, 4016 events. 1296/4016 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 32312 event pairs, 1295 based on Foata normal form. 140/3948 useless extension candidates. Maximal degree in co-relation 5908. Up to 2134 conditions per place. [2024-11-12 12:23:56,416 INFO L140 encePairwiseOnDemand]: 243/267 looper letters, 47 selfloop transitions, 5 changer transitions 6/233 dead transitions. [2024-11-12 12:23:56,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 233 transitions, 582 flow [2024-11-12 12:23:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:23:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:23:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-11-12 12:23:56,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7634207240948814 [2024-11-12 12:23:56,446 INFO L175 Difference]: Start difference. First operand has 261 places, 264 transitions, 540 flow. Second operand 6 states and 1223 transitions. [2024-11-12 12:23:56,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 233 transitions, 582 flow [2024-11-12 12:23:56,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 233 transitions, 574 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:23:56,461 INFO L231 Difference]: Finished difference. Result has 239 places, 227 transitions, 468 flow [2024-11-12 12:23:56,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=239, PETRI_TRANSITIONS=227} [2024-11-12 12:23:56,467 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-11-12 12:23:56,468 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 227 transitions, 468 flow [2024-11-12 12:23:56,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-12 12:23:56,469 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:56,469 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:56,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:23:56,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:23:56,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:56,471 INFO L85 PathProgramCache]: Analyzing trace with hash -843172853, now seen corresponding path program 1 times [2024-11-12 12:23:56,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:56,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396927054] [2024-11-12 12:23:56,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:56,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:56,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:56,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:56,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396927054] [2024-11-12 12:23:56,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396927054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:56,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:56,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:23:56,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548737960] [2024-11-12 12:23:56,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:57,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:23:57,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:57,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:23:57,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:23:57,264 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-11-12 12:23:57,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 227 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-12 12:23:57,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:57,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-11-12 12:23:57,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:57,903 INFO L124 PetriNetUnfolderBase]: 1296/4009 cut-off events. [2024-11-12 12:23:57,903 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:23:57,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6162 conditions, 4009 events. 1296/4009 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 32343 event pairs, 1295 based on Foata normal form. 0/3804 useless extension candidates. Maximal degree in co-relation 6119. Up to 2134 conditions per place. [2024-11-12 12:23:57,931 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 47 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-11-12 12:23:57,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 226 transitions, 570 flow [2024-11-12 12:23:57,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:23:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:23:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1205 transitions. [2024-11-12 12:23:57,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7521847690387016 [2024-11-12 12:23:57,938 INFO L175 Difference]: Start difference. First operand has 239 places, 227 transitions, 468 flow. Second operand 6 states and 1205 transitions. [2024-11-12 12:23:57,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 226 transitions, 570 flow [2024-11-12 12:23:57,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 560 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:23:57,947 INFO L231 Difference]: Finished difference. Result has 232 places, 226 transitions, 466 flow [2024-11-12 12:23:57,947 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=466, PETRI_PLACES=232, PETRI_TRANSITIONS=226} [2024-11-12 12:23:57,948 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -29 predicate places. [2024-11-12 12:23:57,948 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 226 transitions, 466 flow [2024-11-12 12:23:57,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-12 12:23:57,950 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:57,950 INFO L206 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] [2024-11-12 12:23:57,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:23:57,950 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:23:57,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:57,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1160299974, now seen corresponding path program 1 times [2024-11-12 12:23:57,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:57,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236446772] [2024-11-12 12:23:57,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:57,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:58,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:58,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236446772] [2024-11-12 12:23:58,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236446772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:58,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:58,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:58,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673993748] [2024-11-12 12:23:58,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:58,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:58,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:58,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:58,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:58,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-11-12 12:23:58,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 226 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2024-11-12 12:23:58,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:58,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-11-12 12:23:58,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:58,306 INFO L124 PetriNetUnfolderBase]: 401/1334 cut-off events. [2024-11-12 12:23:58,307 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:23:58,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2030 conditions, 1334 events. 401/1334 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8272 event pairs, 395 based on Foata normal form. 0/1280 useless extension candidates. Maximal degree in co-relation 1980. Up to 674 conditions per place. [2024-11-12 12:23:58,317 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 28 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2024-11-12 12:23:58,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 230 transitions, 534 flow [2024-11-12 12:23:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-11-12 12:23:58,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8589263420724095 [2024-11-12 12:23:58,320 INFO L175 Difference]: Start difference. First operand has 232 places, 226 transitions, 466 flow. Second operand 3 states and 688 transitions. [2024-11-12 12:23:58,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 230 transitions, 534 flow [2024-11-12 12:23:58,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 230 transitions, 524 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:23:58,325 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 458 flow [2024-11-12 12:23:58,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-11-12 12:23:58,327 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -33 predicate places. [2024-11-12 12:23:58,327 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 458 flow [2024-11-12 12:23:58,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2024-11-12 12:23:58,328 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:58,328 INFO L206 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] [2024-11-12 12:23:58,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:23:58,328 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:23:58,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:58,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1663508507, now seen corresponding path program 1 times [2024-11-12 12:23:58,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:58,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350829700] [2024-11-12 12:23:58,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:58,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:23:58,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:58,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350829700] [2024-11-12 12:23:58,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350829700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:58,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:58,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:58,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796235490] [2024-11-12 12:23:58,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:58,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:58,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:58,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:58,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:58,415 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-11-12 12:23:58,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2024-11-12 12:23:58,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:58,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-11-12 12:23:58,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:58,779 INFO L124 PetriNetUnfolderBase]: 416/1829 cut-off events. [2024-11-12 12:23:58,780 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:23:58,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 1829 events. 416/1829 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 12573 event pairs, 345 based on Foata normal form. 0/1700 useless extension candidates. Maximal degree in co-relation 2401. Up to 623 conditions per place. [2024-11-12 12:23:58,795 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 33 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-11-12 12:23:58,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 234 transitions, 546 flow [2024-11-12 12:23:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-11-12 12:23:58,798 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8651685393258427 [2024-11-12 12:23:58,798 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 458 flow. Second operand 3 states and 693 transitions. [2024-11-12 12:23:58,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 234 transitions, 546 flow [2024-11-12 12:23:58,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 234 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:23:58,803 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 456 flow [2024-11-12 12:23:58,803 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-11-12 12:23:58,805 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-11-12 12:23:58,806 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 456 flow [2024-11-12 12:23:58,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2024-11-12 12:23:58,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:58,807 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:58,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:23:58,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:23:58,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash 862446512, now seen corresponding path program 1 times [2024-11-12 12:23:58,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:58,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919134578] [2024-11-12 12:23:58,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:58,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:23:59,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:59,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919134578] [2024-11-12 12:23:59,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919134578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:59,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:59,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:23:59,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701534403] [2024-11-12 12:23:59,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:59,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:23:59,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:59,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:23:59,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:23:59,592 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-11-12 12:23:59,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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) [2024-11-12 12:23:59,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:59,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-11-12 12:23:59,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:00,493 INFO L124 PetriNetUnfolderBase]: 1488/4201 cut-off events. [2024-11-12 12:24:00,494 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:24:00,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6659 conditions, 4201 events. 1488/4201 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 32928 event pairs, 1027 based on Foata normal form. 0/4029 useless extension candidates. Maximal degree in co-relation 6446. Up to 2110 conditions per place. [2024-11-12 12:24:00,517 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 61 selfloop transitions, 30 changer transitions 7/269 dead transitions. [2024-11-12 12:24:00,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 269 transitions, 734 flow [2024-11-12 12:24:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-11-12 12:24:00,521 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-11-12 12:24:00,521 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 456 flow. Second operand 6 states and 1271 transitions. [2024-11-12 12:24:00,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 269 transitions, 734 flow [2024-11-12 12:24:00,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 269 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:24:00,528 INFO L231 Difference]: Finished difference. Result has 235 places, 246 transitions, 640 flow [2024-11-12 12:24:00,529 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=235, PETRI_TRANSITIONS=246} [2024-11-12 12:24:00,530 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-11-12 12:24:00,530 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 246 transitions, 640 flow [2024-11-12 12:24:00,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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) [2024-11-12 12:24:00,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:00,533 INFO L206 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] [2024-11-12 12:24:00,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:24:00,533 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:00,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:00,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1251921167, now seen corresponding path program 1 times [2024-11-12 12:24:00,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:00,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113226076] [2024-11-12 12:24:00,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:00,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:00,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:00,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113226076] [2024-11-12 12:24:00,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113226076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:00,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:00,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:24:00,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461113732] [2024-11-12 12:24:00,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:00,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:24:00,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:00,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:24:00,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:24:00,647 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-11-12 12:24:00,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 246 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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) [2024-11-12 12:24:00,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:00,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-11-12 12:24:00,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:00,966 INFO L124 PetriNetUnfolderBase]: 797/2049 cut-off events. [2024-11-12 12:24:00,966 INFO L125 PetriNetUnfolderBase]: For 705/751 co-relation queries the response was YES. [2024-11-12 12:24:00,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4425 conditions, 2049 events. 797/2049 cut-off events. For 705/751 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 13793 event pairs, 436 based on Foata normal form. 1/1973 useless extension candidates. Maximal degree in co-relation 3173. Up to 958 conditions per place. [2024-11-12 12:24:00,981 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 54 selfloop transitions, 1 changer transitions 0/255 dead transitions. [2024-11-12 12:24:00,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 255 transitions, 780 flow [2024-11-12 12:24:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:24:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:24:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-12 12:24:00,984 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8751560549313359 [2024-11-12 12:24:00,984 INFO L175 Difference]: Start difference. First operand has 235 places, 246 transitions, 640 flow. Second operand 3 states and 701 transitions. [2024-11-12 12:24:00,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 255 transitions, 780 flow [2024-11-12 12:24:00,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 255 transitions, 780 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:24:01,021 INFO L231 Difference]: Finished difference. Result has 229 places, 245 transitions, 640 flow [2024-11-12 12:24:01,022 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=229, PETRI_TRANSITIONS=245} [2024-11-12 12:24:01,023 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -32 predicate places. [2024-11-12 12:24:01,023 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 245 transitions, 640 flow [2024-11-12 12:24:01,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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) [2024-11-12 12:24:01,024 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:01,024 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:01,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:24:01,025 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:01,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:01,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2127646992, now seen corresponding path program 1 times [2024-11-12 12:24:01,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:01,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125697336] [2024-11-12 12:24:01,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:01,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:01,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:01,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125697336] [2024-11-12 12:24:01,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125697336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:01,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:01,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:01,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065815549] [2024-11-12 12:24:01,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:01,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:01,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:01,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:01,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:01,886 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-11-12 12:24:01,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 245 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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) [2024-11-12 12:24:01,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:01,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-11-12 12:24:01,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:02,803 INFO L124 PetriNetUnfolderBase]: 1709/4143 cut-off events. [2024-11-12 12:24:02,804 INFO L125 PetriNetUnfolderBase]: For 1080/1124 co-relation queries the response was YES. [2024-11-12 12:24:02,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8574 conditions, 4143 events. 1709/4143 cut-off events. For 1080/1124 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 30906 event pairs, 1013 based on Foata normal form. 0/3970 useless extension candidates. Maximal degree in co-relation 8410. Up to 2322 conditions per place. [2024-11-12 12:24:02,835 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 84 selfloop transitions, 30 changer transitions 11/290 dead transitions. [2024-11-12 12:24:02,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 290 transitions, 1008 flow [2024-11-12 12:24:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1268 transitions. [2024-11-12 12:24:02,839 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7915106117353309 [2024-11-12 12:24:02,839 INFO L175 Difference]: Start difference. First operand has 229 places, 245 transitions, 640 flow. Second operand 6 states and 1268 transitions. [2024-11-12 12:24:02,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 290 transitions, 1008 flow [2024-11-12 12:24:02,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 290 transitions, 1007 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:24:02,847 INFO L231 Difference]: Finished difference. Result has 238 places, 263 transitions, 867 flow [2024-11-12 12:24:02,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=867, PETRI_PLACES=238, PETRI_TRANSITIONS=263} [2024-11-12 12:24:02,849 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-11-12 12:24:02,849 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 263 transitions, 867 flow [2024-11-12 12:24:02,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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) [2024-11-12 12:24:02,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:02,850 INFO L206 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] [2024-11-12 12:24:02,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:24:02,851 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:02,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:02,851 INFO L85 PathProgramCache]: Analyzing trace with hash -404507953, now seen corresponding path program 1 times [2024-11-12 12:24:02,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:02,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047535894] [2024-11-12 12:24:02,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:02,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:03,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:03,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047535894] [2024-11-12 12:24:03,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047535894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:03,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:03,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:03,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850202650] [2024-11-12 12:24:03,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:03,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:03,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:03,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:03,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:03,771 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-11-12 12:24:03,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 263 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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) [2024-11-12 12:24:03,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:03,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-11-12 12:24:03,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:04,811 INFO L124 PetriNetUnfolderBase]: 1876/4742 cut-off events. [2024-11-12 12:24:04,811 INFO L125 PetriNetUnfolderBase]: For 2927/3033 co-relation queries the response was YES. [2024-11-12 12:24:04,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11451 conditions, 4742 events. 1876/4742 cut-off events. For 2927/3033 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 37625 event pairs, 887 based on Foata normal form. 0/4615 useless extension candidates. Maximal degree in co-relation 6805. Up to 2473 conditions per place. [2024-11-12 12:24:04,854 INFO L140 encePairwiseOnDemand]: 251/267 looper letters, 115 selfloop transitions, 26 changer transitions 0/307 dead transitions. [2024-11-12 12:24:04,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 307 transitions, 1337 flow [2024-11-12 12:24:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2024-11-12 12:24:04,858 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7946317103620475 [2024-11-12 12:24:04,858 INFO L175 Difference]: Start difference. First operand has 238 places, 263 transitions, 867 flow. Second operand 6 states and 1273 transitions. [2024-11-12 12:24:04,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 307 transitions, 1337 flow [2024-11-12 12:24:04,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 307 transitions, 1289 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-11-12 12:24:04,874 INFO L231 Difference]: Finished difference. Result has 236 places, 283 transitions, 1051 flow [2024-11-12 12:24:04,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=236, PETRI_TRANSITIONS=283} [2024-11-12 12:24:04,875 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-11-12 12:24:04,875 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 283 transitions, 1051 flow [2024-11-12 12:24:04,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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) [2024-11-12 12:24:04,876 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:04,877 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:04,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:24:04,877 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:04,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:04,878 INFO L85 PathProgramCache]: Analyzing trace with hash 45023431, now seen corresponding path program 1 times [2024-11-12 12:24:04,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:04,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096953758] [2024-11-12 12:24:04,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:04,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:05,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096953758] [2024-11-12 12:24:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096953758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:05,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:05,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939437524] [2024-11-12 12:24:05,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:05,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:05,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:05,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:05,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:05,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-11-12 12:24:05,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 283 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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) [2024-11-12 12:24:05,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:05,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-11-12 12:24:05,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:06,621 INFO L124 PetriNetUnfolderBase]: 2224/5081 cut-off events. [2024-11-12 12:24:06,621 INFO L125 PetriNetUnfolderBase]: For 5806/6067 co-relation queries the response was YES. [2024-11-12 12:24:06,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14164 conditions, 5081 events. 2224/5081 cut-off events. For 5806/6067 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 38851 event pairs, 987 based on Foata normal form. 70/5011 useless extension candidates. Maximal degree in co-relation 10165. Up to 2857 conditions per place. [2024-11-12 12:24:06,663 INFO L140 encePairwiseOnDemand]: 252/267 looper letters, 128 selfloop transitions, 36 changer transitions 38/342 dead transitions. [2024-11-12 12:24:06,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 342 transitions, 1771 flow [2024-11-12 12:24:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-11-12 12:24:06,667 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-11-12 12:24:06,667 INFO L175 Difference]: Start difference. First operand has 236 places, 283 transitions, 1051 flow. Second operand 6 states and 1271 transitions. [2024-11-12 12:24:06,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 342 transitions, 1771 flow [2024-11-12 12:24:06,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 342 transitions, 1771 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:24:06,680 INFO L231 Difference]: Finished difference. Result has 244 places, 280 transitions, 1381 flow [2024-11-12 12:24:06,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1381, PETRI_PLACES=244, PETRI_TRANSITIONS=280} [2024-11-12 12:24:06,682 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-11-12 12:24:06,682 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 280 transitions, 1381 flow [2024-11-12 12:24:06,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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) [2024-11-12 12:24:06,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:06,683 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:06,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:24:06,685 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:06,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:06,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1191392216, now seen corresponding path program 1 times [2024-11-12 12:24:06,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:06,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338733267] [2024-11-12 12:24:06,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:06,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:06,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:06,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338733267] [2024-11-12 12:24:06,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338733267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:06,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:06,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:06,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293725810] [2024-11-12 12:24:06,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:06,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 12:24:06,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:06,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 12:24:06,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 12:24:06,897 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 267 [2024-11-12 12:24:06,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 280 transitions, 1381 flow. Second operand has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 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) [2024-11-12 12:24:06,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:06,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 267 [2024-11-12 12:24:06,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:07,194 INFO L124 PetriNetUnfolderBase]: 575/1368 cut-off events. [2024-11-12 12:24:07,194 INFO L125 PetriNetUnfolderBase]: For 2361/2361 co-relation queries the response was YES. [2024-11-12 12:24:07,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3603 conditions, 1368 events. 575/1368 cut-off events. For 2361/2361 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 8525 event pairs, 30 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 3581. Up to 587 conditions per place. [2024-11-12 12:24:07,205 INFO L140 encePairwiseOnDemand]: 262/267 looper letters, 61 selfloop transitions, 4 changer transitions 0/163 dead transitions. [2024-11-12 12:24:07,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 163 transitions, 660 flow [2024-11-12 12:24:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1356 transitions. [2024-11-12 12:24:07,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.846441947565543 [2024-11-12 12:24:07,210 INFO L175 Difference]: Start difference. First operand has 244 places, 280 transitions, 1381 flow. Second operand 6 states and 1356 transitions. [2024-11-12 12:24:07,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 163 transitions, 660 flow [2024-11-12 12:24:07,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 163 transitions, 520 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-11-12 12:24:07,215 INFO L231 Difference]: Finished difference. Result has 149 places, 123 transitions, 270 flow [2024-11-12 12:24:07,215 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=270, PETRI_PLACES=149, PETRI_TRANSITIONS=123} [2024-11-12 12:24:07,216 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -112 predicate places. [2024-11-12 12:24:07,216 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 123 transitions, 270 flow [2024-11-12 12:24:07,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 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) [2024-11-12 12:24:07,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:07,218 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:07,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:24:07,218 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:07,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:07,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1497413954, now seen corresponding path program 1 times [2024-11-12 12:24:07,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:07,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193477877] [2024-11-12 12:24:07,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:07,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:07,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193477877] [2024-11-12 12:24:07,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193477877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:07,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:07,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:24:07,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26799520] [2024-11-12 12:24:07,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:07,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:24:07,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:07,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:24:07,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:24:07,326 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-11-12 12:24:07,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 123 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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) [2024-11-12 12:24:07,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:07,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-11-12 12:24:07,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:07,458 INFO L124 PetriNetUnfolderBase]: 285/776 cut-off events. [2024-11-12 12:24:07,459 INFO L125 PetriNetUnfolderBase]: For 150/152 co-relation queries the response was YES. [2024-11-12 12:24:07,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 776 events. 285/776 cut-off events. For 150/152 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4105 event pairs, 280 based on Foata normal form. 6/750 useless extension candidates. Maximal degree in co-relation 1512. Up to 479 conditions per place. [2024-11-12 12:24:07,464 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 0 selfloop transitions, 0 changer transitions 127/127 dead transitions. [2024-11-12 12:24:07,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 127 transitions, 332 flow [2024-11-12 12:24:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:24:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:24:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-11-12 12:24:07,466 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8664169787765293 [2024-11-12 12:24:07,466 INFO L175 Difference]: Start difference. First operand has 149 places, 123 transitions, 270 flow. Second operand 3 states and 694 transitions. [2024-11-12 12:24:07,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 127 transitions, 332 flow [2024-11-12 12:24:07,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 127 transitions, 325 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:24:07,468 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2024-11-12 12:24:07,468 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2024-11-12 12:24:07,469 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -115 predicate places. [2024-11-12 12:24:07,469 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2024-11-12 12:24:07,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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) [2024-11-12 12:24:07,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-11-12 12:24:07,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-12 12:24:07,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-12 12:24:07,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-12 12:24:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-12 12:24:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-12 12:24:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-12 12:24:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-12 12:24:07,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-12 12:24:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-12 12:24:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-12 12:24:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-12 12:24:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-12 12:24:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-12 12:24:07,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-12 12:24:07,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-12 12:24:07,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-11-12 12:24:07,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-11-12 12:24:07,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-12 12:24:07,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-12 12:24:07,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-12 12:24:07,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-12 12:24:07,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-12 12:24:07,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-12 12:24:07,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-12 12:24:07,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-12 12:24:07,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-12 12:24:07,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:24:07,478 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:07,486 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:24:07,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:24:07,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:24:07 BasicIcfg [2024-11-12 12:24:07,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:24:07,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:24:07,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:24:07,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:24:07,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:53" (3/4) ... [2024-11-12 12:24:07,503 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:24:07,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-12 12:24:07,514 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-12 12:24:07,514 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:24:07,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:24:07,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:24:07,620 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:24:07,623 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:24:07,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:24:07,624 INFO L158 Benchmark]: Toolchain (without parser) took 16169.40ms. Allocated memory was 159.4MB in the beginning and 767.6MB in the end (delta: 608.2MB). Free memory was 101.2MB in the beginning and 414.0MB in the end (delta: -312.8MB). Peak memory consumption was 297.0MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,624 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 118.2MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:24:07,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.28ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 100.8MB in the beginning and 195.9MB in the end (delta: -95.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.81ms. Allocated memory is still 232.8MB. Free memory was 195.9MB in the beginning and 192.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,625 INFO L158 Benchmark]: Boogie Preprocessor took 92.27ms. Allocated memory is still 232.8MB. Free memory was 192.8MB in the beginning and 188.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,625 INFO L158 Benchmark]: RCFGBuilder took 995.22ms. Allocated memory is still 232.8MB. Free memory was 188.6MB in the beginning and 135.1MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,625 INFO L158 Benchmark]: TraceAbstraction took 13971.15ms. Allocated memory was 232.8MB in the beginning and 767.6MB in the end (delta: 534.8MB). Free memory was 134.1MB in the beginning and 420.3MB in the end (delta: -286.2MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,625 INFO L158 Benchmark]: Witness Printer took 123.36ms. Allocated memory is still 767.6MB. Free memory was 420.3MB in the beginning and 414.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 12:24:07,629 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 159.4MB. Free memory was 118.4MB in the beginning and 118.2MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.28ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 100.8MB in the beginning and 195.9MB in the end (delta: -95.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.81ms. Allocated memory is still 232.8MB. Free memory was 195.9MB in the beginning and 192.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.27ms. Allocated memory is still 232.8MB. Free memory was 192.8MB in the beginning and 188.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 995.22ms. Allocated memory is still 232.8MB. Free memory was 188.6MB in the beginning and 135.1MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13971.15ms. Allocated memory was 232.8MB in the beginning and 767.6MB in the end (delta: 534.8MB). Free memory was 134.1MB in the beginning and 420.3MB in the end (delta: -286.2MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. * Witness Printer took 123.36ms. Allocated memory is still 767.6MB. Free memory was 420.3MB in the beginning and 414.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3973]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3952]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3974]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3907]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3913]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 280 locations, 27 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: 13.8s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1093 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 338 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2973 IncrementalHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 338 mSolverCounterUnsat, 73 mSDtfsCounter, 2973 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred in iteration=9, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 753 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 742 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:24:07,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE