./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-deagle/arithmetic_prog_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/pthread-deagle/arithmetic_prog_ok.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 29016034e4102bf62d4fcba069301a54da1d77dfd5739e4cf52e395ddaa22e38 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:40:42,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:40:43,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:40:43,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:40:43,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:40:43,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:40:43,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:40:43,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:40:43,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:40:43,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:40:43,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:40:43,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:40:43,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:40:43,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:40:43,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:40:43,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:40:43,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:40:43,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:40:43,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:40:43,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:40:43,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:40:43,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:40:43,085 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:40:43,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:40:43,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:40:43,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:40:43,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:40:43,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:40:43,086 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:40:43,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:40:43,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:40:43,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:40:43,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:40:43,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:40:43,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:40:43,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29016034e4102bf62d4fcba069301a54da1d77dfd5739e4cf52e395ddaa22e38 [2024-11-10 14:40:43,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:40:43,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:40:43,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:40:43,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:40:43,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:40:43,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-deagle/arithmetic_prog_ok.i [2024-11-10 14:40:44,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:40:44,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:40:44,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/arithmetic_prog_ok.i [2024-11-10 14:40:44,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb582e2d/4813be1f9c7649a1aea6b11d2ddf28ba/FLAG6881f2b78 [2024-11-10 14:40:44,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb582e2d/4813be1f9c7649a1aea6b11d2ddf28ba [2024-11-10 14:40:44,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:40:44,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:40:44,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:40:44,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:40:44,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:40:44,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:40:44" (1/1) ... [2024-11-10 14:40:44,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e112d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:44, skipping insertion in model container [2024-11-10 14:40:44,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:40:44" (1/1) ... [2024-11-10 14:40:44,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:40:45,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:40:45,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:40:45,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:40:45,214 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:40:45,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45 WrapperNode [2024-11-10 14:40:45,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:40:45,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:40:45,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:40:45,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:40:45,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,268 INFO L138 Inliner]: procedures = 243, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 274 [2024-11-10 14:40:45,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:40:45,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:40:45,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:40:45,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:40:45,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:40:45,311 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:40:45,311 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:40:45,311 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:40:45,311 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (1/1) ... [2024-11-10 14:40:45,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:40:45,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:40:45,336 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) [2024-11-10 14:40:45,339 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 [2024-11-10 14:40:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 14:40:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:40:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:40:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:40:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:40:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:40:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:40:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:40:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:40:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:40:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:40:45,376 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:40:45,520 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:40:45,522 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:40:45,835 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:40:45,835 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:40:45,867 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:40:45,867 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:40:45,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:40:45 BoogieIcfgContainer [2024-11-10 14:40:45,868 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:40:45,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:40:45,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:40:45,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:40:45,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:40:44" (1/3) ... [2024-11-10 14:40:45,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646f786a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:40:45, skipping insertion in model container [2024-11-10 14:40:45,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:45" (2/3) ... [2024-11-10 14:40:45,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646f786a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:40:45, skipping insertion in model container [2024-11-10 14:40:45,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:40:45" (3/3) ... [2024-11-10 14:40:45,877 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-11-10 14:40:45,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:40:45,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-11-10 14:40:45,889 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:40:45,974 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:40:46,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 381 transitions, 776 flow [2024-11-10 14:40:46,111 INFO L124 PetriNetUnfolderBase]: 11/379 cut-off events. [2024-11-10 14:40:46,112 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:40:46,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 379 events. 11/379 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 299 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 297. Up to 3 conditions per place. [2024-11-10 14:40:46,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 381 transitions, 776 flow [2024-11-10 14:40:46,125 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 364 places, 365 transitions, 742 flow [2024-11-10 14:40:46,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:40:46,142 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;@1a6457b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:40:46,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-10 14:40:46,180 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:40:46,181 INFO L124 PetriNetUnfolderBase]: 0/242 cut-off events. [2024-11-10 14:40:46,181 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:40:46,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:46,182 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:46,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:46,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash 897863250, now seen corresponding path program 1 times [2024-11-10 14:40:46,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:46,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171982640] [2024-11-10 14:40:46,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:46,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:46,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:46,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171982640] [2024-11-10 14:40:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171982640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:46,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:46,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:46,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732676081] [2024-11-10 14:40:46,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:46,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:46,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:46,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:46,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:46,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 381 [2024-11-10 14:40:46,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 365 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 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) [2024-11-10 14:40:46,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:46,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 381 [2024-11-10 14:40:46,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:46,884 INFO L124 PetriNetUnfolderBase]: 80/799 cut-off events. [2024-11-10 14:40:46,884 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2024-11-10 14:40:46,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 799 events. 80/799 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3431 event pairs, 54 based on Foata normal form. 16/732 useless extension candidates. Maximal degree in co-relation 665. Up to 149 conditions per place. [2024-11-10 14:40:46,893 INFO L140 encePairwiseOnDemand]: 374/381 looper letters, 21 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-10 14:40:46,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 360 transitions, 778 flow [2024-11-10 14:40:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1075 transitions. [2024-11-10 14:40:46,912 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9405074365704287 [2024-11-10 14:40:46,914 INFO L175 Difference]: Start difference. First operand has 364 places, 365 transitions, 742 flow. Second operand 3 states and 1075 transitions. [2024-11-10 14:40:46,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 360 transitions, 778 flow [2024-11-10 14:40:46,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 360 transitions, 770 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:40:46,926 INFO L231 Difference]: Finished difference. Result has 361 places, 360 transitions, 728 flow [2024-11-10 14:40:46,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=361, PETRI_TRANSITIONS=360} [2024-11-10 14:40:46,933 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -3 predicate places. [2024-11-10 14:40:46,934 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 360 transitions, 728 flow [2024-11-10 14:40:46,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 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) [2024-11-10 14:40:46,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:46,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:46,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:40:46,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:46,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1766819678, now seen corresponding path program 1 times [2024-11-10 14:40:46,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:46,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087742258] [2024-11-10 14:40:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:47,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:47,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087742258] [2024-11-10 14:40:47,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087742258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:47,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:47,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:47,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578103424] [2024-11-10 14:40:47,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:47,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:47,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:47,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:47,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:47,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 381 [2024-11-10 14:40:47,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 360 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 351.3333333333333) internal successors, (1054), 3 states have internal predecessors, (1054), 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) [2024-11-10 14:40:47,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:47,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 381 [2024-11-10 14:40:47,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:47,283 INFO L124 PetriNetUnfolderBase]: 70/754 cut-off events. [2024-11-10 14:40:47,283 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-10 14:40:47,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 754 events. 70/754 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3109 event pairs, 38 based on Foata normal form. 0/659 useless extension candidates. Maximal degree in co-relation 641. Up to 125 conditions per place. [2024-11-10 14:40:47,286 INFO L140 encePairwiseOnDemand]: 378/381 looper letters, 20 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-11-10 14:40:47,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 359 transitions, 770 flow [2024-11-10 14:40:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1073 transitions. [2024-11-10 14:40:47,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9387576552930884 [2024-11-10 14:40:47,290 INFO L175 Difference]: Start difference. First operand has 361 places, 360 transitions, 728 flow. Second operand 3 states and 1073 transitions. [2024-11-10 14:40:47,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 359 transitions, 770 flow [2024-11-10 14:40:47,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 359 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:47,295 INFO L231 Difference]: Finished difference. Result has 360 places, 359 transitions, 726 flow [2024-11-10 14:40:47,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=360, PETRI_TRANSITIONS=359} [2024-11-10 14:40:47,296 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -4 predicate places. [2024-11-10 14:40:47,297 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 359 transitions, 726 flow [2024-11-10 14:40:47,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 351.3333333333333) internal successors, (1054), 3 states have internal predecessors, (1054), 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) [2024-11-10 14:40:47,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:47,298 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:47,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:40:47,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:47,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash 906770703, now seen corresponding path program 1 times [2024-11-10 14:40:47,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:47,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886701540] [2024-11-10 14:40:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:47,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:47,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886701540] [2024-11-10 14:40:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886701540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789506971] [2024-11-10 14:40:47,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:47,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:47,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:47,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:47,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:47,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 381 [2024-11-10 14:40:47,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 359 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 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) [2024-11-10 14:40:47,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:47,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 381 [2024-11-10 14:40:47,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:47,660 INFO L124 PetriNetUnfolderBase]: 189/1259 cut-off events. [2024-11-10 14:40:47,660 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-10 14:40:47,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 1259 events. 189/1259 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6674 event pairs, 55 based on Foata normal form. 0/1120 useless extension candidates. Maximal degree in co-relation 1404. Up to 254 conditions per place. [2024-11-10 14:40:47,666 INFO L140 encePairwiseOnDemand]: 367/381 looper letters, 37 selfloop transitions, 10 changer transitions 0/379 dead transitions. [2024-11-10 14:40:47,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 379 transitions, 862 flow [2024-11-10 14:40:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1092 transitions. [2024-11-10 14:40:47,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553805774278216 [2024-11-10 14:40:47,670 INFO L175 Difference]: Start difference. First operand has 360 places, 359 transitions, 726 flow. Second operand 3 states and 1092 transitions. [2024-11-10 14:40:47,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 379 transitions, 862 flow [2024-11-10 14:40:47,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 379 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:47,675 INFO L231 Difference]: Finished difference. Result has 362 places, 369 transitions, 810 flow [2024-11-10 14:40:47,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=362, PETRI_TRANSITIONS=369} [2024-11-10 14:40:47,677 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -2 predicate places. [2024-11-10 14:40:47,677 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 369 transitions, 810 flow [2024-11-10 14:40:47,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 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) [2024-11-10 14:40:47,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:47,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:47,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:40:47,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:47,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1951705352, now seen corresponding path program 1 times [2024-11-10 14:40:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:47,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769822472] [2024-11-10 14:40:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:47,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:47,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769822472] [2024-11-10 14:40:47,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769822472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:47,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:47,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:40:47,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503049029] [2024-11-10 14:40:47,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:47,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:47,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:47,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:47,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:47,811 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 381 [2024-11-10 14:40:47,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 369 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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) [2024-11-10 14:40:47,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:47,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 381 [2024-11-10 14:40:47,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:47,996 INFO L124 PetriNetUnfolderBase]: 251/1801 cut-off events. [2024-11-10 14:40:47,996 INFO L125 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2024-11-10 14:40:48,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2532 conditions, 1801 events. 251/1801 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 11319 event pairs, 87 based on Foata normal form. 6/1604 useless extension candidates. Maximal degree in co-relation 1333. Up to 263 conditions per place. [2024-11-10 14:40:48,005 INFO L140 encePairwiseOnDemand]: 378/381 looper letters, 24 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2024-11-10 14:40:48,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 379 transitions, 883 flow [2024-11-10 14:40:48,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2024-11-10 14:40:48,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.963254593175853 [2024-11-10 14:40:48,007 INFO L175 Difference]: Start difference. First operand has 362 places, 369 transitions, 810 flow. Second operand 3 states and 1101 transitions. [2024-11-10 14:40:48,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 379 transitions, 883 flow [2024-11-10 14:40:48,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 379 transitions, 863 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:48,013 INFO L231 Difference]: Finished difference. Result has 363 places, 370 transitions, 802 flow [2024-11-10 14:40:48,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=363, PETRI_TRANSITIONS=370} [2024-11-10 14:40:48,014 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -1 predicate places. [2024-11-10 14:40:48,014 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 370 transitions, 802 flow [2024-11-10 14:40:48,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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) [2024-11-10 14:40:48,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:48,015 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:48,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:40:48,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:48,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:48,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1491453907, now seen corresponding path program 1 times [2024-11-10 14:40:48,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:48,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345230518] [2024-11-10 14:40:48,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:48,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:48,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345230518] [2024-11-10 14:40:48,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345230518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:48,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:48,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:48,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859770961] [2024-11-10 14:40:48,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:48,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:48,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:48,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:48,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:48,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 381 [2024-11-10 14:40:48,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 370 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 353.6666666666667) internal successors, (1061), 3 states have internal predecessors, (1061), 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) [2024-11-10 14:40:48,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:48,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 381 [2024-11-10 14:40:48,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:48,356 INFO L124 PetriNetUnfolderBase]: 454/2158 cut-off events. [2024-11-10 14:40:48,356 INFO L125 PetriNetUnfolderBase]: For 270/305 co-relation queries the response was YES. [2024-11-10 14:40:48,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3426 conditions, 2158 events. 454/2158 cut-off events. For 270/305 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 13664 event pairs, 172 based on Foata normal form. 10/1914 useless extension candidates. Maximal degree in co-relation 1827. Up to 704 conditions per place. [2024-11-10 14:40:48,367 INFO L140 encePairwiseOnDemand]: 374/381 looper letters, 32 selfloop transitions, 10 changer transitions 0/383 dead transitions. [2024-11-10 14:40:48,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 383 transitions, 925 flow [2024-11-10 14:40:48,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1087 transitions. [2024-11-10 14:40:48,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9510061242344707 [2024-11-10 14:40:48,369 INFO L175 Difference]: Start difference. First operand has 363 places, 370 transitions, 802 flow. Second operand 3 states and 1087 transitions. [2024-11-10 14:40:48,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 383 transitions, 925 flow [2024-11-10 14:40:48,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:40:48,374 INFO L231 Difference]: Finished difference. Result has 366 places, 378 transitions, 886 flow [2024-11-10 14:40:48,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=366, PETRI_TRANSITIONS=378} [2024-11-10 14:40:48,375 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, 2 predicate places. [2024-11-10 14:40:48,376 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 378 transitions, 886 flow [2024-11-10 14:40:48,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.6666666666667) internal successors, (1061), 3 states have internal predecessors, (1061), 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) [2024-11-10 14:40:48,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:48,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:48,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:40:48,377 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:48,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:48,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1594529351, now seen corresponding path program 1 times [2024-11-10 14:40:48,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:48,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847387084] [2024-11-10 14:40:48,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:48,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:48,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847387084] [2024-11-10 14:40:48,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847387084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:48,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:48,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:40:48,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835240171] [2024-11-10 14:40:48,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:48,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:48,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:48,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:48,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:48,500 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 381 [2024-11-10 14:40:48,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 378 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 357.0) internal successors, (1071), 3 states have internal predecessors, (1071), 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) [2024-11-10 14:40:48,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:48,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 381 [2024-11-10 14:40:48,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:48,803 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([802] L880-->L880-2: Formula: (= |v_#race~num~0_9| 0) InVars {} OutVars{#race~num~0=|v_#race~num~0_9|} AuxVars[] AssignedVars[#race~num~0][300], [395#true, 400#true, Black: 386#true, Black: 393#(= thread2Thread1of1ForFork0_~j~0 0), 58#L880-2true, 234#L894-1true, 264#L914-1true, Black: 397#(= |thread1Thread1of1ForFork1_#t~nondet8| |#race~num~0|)]) [2024-11-10 14:40:48,804 INFO L294 olderBase$Statistics]: this new event has 356 ancestors and is cut-off event [2024-11-10 14:40:48,804 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is cut-off event [2024-11-10 14:40:48,804 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is cut-off event [2024-11-10 14:40:48,804 INFO L297 olderBase$Statistics]: existing Event has 351 ancestors and is cut-off event [2024-11-10 14:40:48,805 INFO L124 PetriNetUnfolderBase]: 530/2515 cut-off events. [2024-11-10 14:40:48,805 INFO L125 PetriNetUnfolderBase]: For 428/460 co-relation queries the response was YES. [2024-11-10 14:40:48,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4147 conditions, 2515 events. 530/2515 cut-off events. For 428/460 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 16341 event pairs, 152 based on Foata normal form. 22/2247 useless extension candidates. Maximal degree in co-relation 3494. Up to 436 conditions per place. [2024-11-10 14:40:48,816 INFO L140 encePairwiseOnDemand]: 376/381 looper letters, 27 selfloop transitions, 3 changer transitions 0/389 dead transitions. [2024-11-10 14:40:48,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 389 transitions, 970 flow [2024-11-10 14:40:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:48,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1097 transitions. [2024-11-10 14:40:48,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597550306211724 [2024-11-10 14:40:48,819 INFO L175 Difference]: Start difference. First operand has 366 places, 378 transitions, 886 flow. Second operand 3 states and 1097 transitions. [2024-11-10 14:40:48,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 389 transitions, 970 flow [2024-11-10 14:40:48,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 389 transitions, 950 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:48,828 INFO L231 Difference]: Finished difference. Result has 368 places, 380 transitions, 890 flow [2024-11-10 14:40:48,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=890, PETRI_PLACES=368, PETRI_TRANSITIONS=380} [2024-11-10 14:40:48,829 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, 4 predicate places. [2024-11-10 14:40:48,830 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 380 transitions, 890 flow [2024-11-10 14:40:48,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 357.0) internal successors, (1071), 3 states have internal predecessors, (1071), 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) [2024-11-10 14:40:48,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:48,831 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:48,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:40:48,831 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:48,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:48,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1743636065, now seen corresponding path program 1 times [2024-11-10 14:40:48,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:48,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945782322] [2024-11-10 14:40:48,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:48,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:49,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:49,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945782322] [2024-11-10 14:40:49,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945782322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:49,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:49,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:40:49,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788327660] [2024-11-10 14:40:49,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:49,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:49,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:49,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:49,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:49,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 381 [2024-11-10 14:40:49,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 380 transitions, 890 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-10 14:40:49,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:49,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 381 [2024-11-10 14:40:49,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:49,223 INFO L124 PetriNetUnfolderBase]: 51/784 cut-off events. [2024-11-10 14:40:49,223 INFO L125 PetriNetUnfolderBase]: For 61/62 co-relation queries the response was YES. [2024-11-10 14:40:49,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 784 events. 51/784 cut-off events. For 61/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2247 event pairs, 7 based on Foata normal form. 22/773 useless extension candidates. Maximal degree in co-relation 504. Up to 87 conditions per place. [2024-11-10 14:40:49,226 INFO L140 encePairwiseOnDemand]: 373/381 looper letters, 8 selfloop transitions, 8 changer transitions 0/361 dead transitions. [2024-11-10 14:40:49,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 361 transitions, 826 flow [2024-11-10 14:40:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1100 transitions. [2024-11-10 14:40:49,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9623797025371829 [2024-11-10 14:40:49,228 INFO L175 Difference]: Start difference. First operand has 368 places, 380 transitions, 890 flow. Second operand 3 states and 1100 transitions. [2024-11-10 14:40:49,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 361 transitions, 826 flow [2024-11-10 14:40:49,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 361 transitions, 794 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-11-10 14:40:49,235 INFO L231 Difference]: Finished difference. Result has 361 places, 359 transitions, 772 flow [2024-11-10 14:40:49,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=361, PETRI_TRANSITIONS=359} [2024-11-10 14:40:49,237 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -3 predicate places. [2024-11-10 14:40:49,237 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 359 transitions, 772 flow [2024-11-10 14:40:49,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-10 14:40:49,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:49,238 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:49,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:40:49,238 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:49,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:49,239 INFO L85 PathProgramCache]: Analyzing trace with hash 424835158, now seen corresponding path program 1 times [2024-11-10 14:40:49,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:49,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576323187] [2024-11-10 14:40:49,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:49,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:49,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:49,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576323187] [2024-11-10 14:40:49,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576323187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:49,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:49,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:49,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704308784] [2024-11-10 14:40:49,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:49,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:49,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:49,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:49,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:49,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 381 [2024-11-10 14:40:49,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 359 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 352.6666666666667) internal successors, (1058), 3 states have internal predecessors, (1058), 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) [2024-11-10 14:40:49,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:49,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 381 [2024-11-10 14:40:49,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:49,431 INFO L124 PetriNetUnfolderBase]: 80/865 cut-off events. [2024-11-10 14:40:49,431 INFO L125 PetriNetUnfolderBase]: For 89/91 co-relation queries the response was YES. [2024-11-10 14:40:49,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 865 events. 80/865 cut-off events. For 89/91 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3010 event pairs, 22 based on Foata normal form. 1/833 useless extension candidates. Maximal degree in co-relation 404. Up to 117 conditions per place. [2024-11-10 14:40:49,434 INFO L140 encePairwiseOnDemand]: 373/381 looper letters, 20 selfloop transitions, 4 changer transitions 3/361 dead transitions. [2024-11-10 14:40:49,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 361 transitions, 835 flow [2024-11-10 14:40:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1078 transitions. [2024-11-10 14:40:49,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431321084864392 [2024-11-10 14:40:49,436 INFO L175 Difference]: Start difference. First operand has 361 places, 359 transitions, 772 flow. Second operand 3 states and 1078 transitions. [2024-11-10 14:40:49,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 361 transitions, 835 flow [2024-11-10 14:40:49,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 361 transitions, 823 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:40:49,440 INFO L231 Difference]: Finished difference. Result has 359 places, 353 transitions, 760 flow [2024-11-10 14:40:49,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=359, PETRI_TRANSITIONS=353} [2024-11-10 14:40:49,441 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -5 predicate places. [2024-11-10 14:40:49,442 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 353 transitions, 760 flow [2024-11-10 14:40:49,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.6666666666667) internal successors, (1058), 3 states have internal predecessors, (1058), 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) [2024-11-10 14:40:49,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:49,444 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:49,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:40:49,444 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:49,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1171497917, now seen corresponding path program 1 times [2024-11-10 14:40:49,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:49,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428051347] [2024-11-10 14:40:49,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:49,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:49,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:49,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428051347] [2024-11-10 14:40:49,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428051347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:49,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:49,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:49,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643227930] [2024-11-10 14:40:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:49,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:49,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:49,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:49,574 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 381 [2024-11-10 14:40:49,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 353 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 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) [2024-11-10 14:40:49,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:49,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 381 [2024-11-10 14:40:49,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:49,658 INFO L124 PetriNetUnfolderBase]: 75/828 cut-off events. [2024-11-10 14:40:49,658 INFO L125 PetriNetUnfolderBase]: For 68/70 co-relation queries the response was YES. [2024-11-10 14:40:49,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 828 events. 75/828 cut-off events. For 68/70 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2796 event pairs, 29 based on Foata normal form. 0/804 useless extension candidates. Maximal degree in co-relation 573. Up to 144 conditions per place. [2024-11-10 14:40:49,661 INFO L140 encePairwiseOnDemand]: 378/381 looper letters, 19 selfloop transitions, 2 changer transitions 0/353 dead transitions. [2024-11-10 14:40:49,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 353 transitions, 803 flow [2024-11-10 14:40:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1078 transitions. [2024-11-10 14:40:49,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431321084864392 [2024-11-10 14:40:49,663 INFO L175 Difference]: Start difference. First operand has 359 places, 353 transitions, 760 flow. Second operand 3 states and 1078 transitions. [2024-11-10 14:40:49,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 353 transitions, 803 flow [2024-11-10 14:40:49,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 353 transitions, 795 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:49,667 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 754 flow [2024-11-10 14:40:49,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2024-11-10 14:40:49,668 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -9 predicate places. [2024-11-10 14:40:49,669 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 754 flow [2024-11-10 14:40:49,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 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) [2024-11-10 14:40:49,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:49,670 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:49,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:40:49,670 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:49,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:49,670 INFO L85 PathProgramCache]: Analyzing trace with hash -822579619, now seen corresponding path program 1 times [2024-11-10 14:40:49,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:49,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501194259] [2024-11-10 14:40:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:49,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:49,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:49,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501194259] [2024-11-10 14:40:49,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501194259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:49,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:49,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:49,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447081126] [2024-11-10 14:40:49,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:49,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:49,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:49,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:49,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 381 [2024-11-10 14:40:49,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 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) [2024-11-10 14:40:49,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:49,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 381 [2024-11-10 14:40:49,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:49,878 INFO L124 PetriNetUnfolderBase]: 70/809 cut-off events. [2024-11-10 14:40:49,878 INFO L125 PetriNetUnfolderBase]: For 74/76 co-relation queries the response was YES. [2024-11-10 14:40:49,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 809 events. 70/809 cut-off events. For 74/76 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2670 event pairs, 30 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 659. Up to 176 conditions per place. [2024-11-10 14:40:49,881 INFO L140 encePairwiseOnDemand]: 378/381 looper letters, 23 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2024-11-10 14:40:49,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 352 transitions, 805 flow [2024-11-10 14:40:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1077 transitions. [2024-11-10 14:40:49,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9422572178477691 [2024-11-10 14:40:49,883 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 754 flow. Second operand 3 states and 1077 transitions. [2024-11-10 14:40:49,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 352 transitions, 805 flow [2024-11-10 14:40:49,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 352 transitions, 801 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:49,887 INFO L231 Difference]: Finished difference. Result has 354 places, 351 transitions, 752 flow [2024-11-10 14:40:49,888 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=354, PETRI_TRANSITIONS=351} [2024-11-10 14:40:49,888 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -10 predicate places. [2024-11-10 14:40:49,889 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 351 transitions, 752 flow [2024-11-10 14:40:49,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 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) [2024-11-10 14:40:49,889 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:49,890 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:49,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:40:49,890 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:49,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:49,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1835949402, now seen corresponding path program 1 times [2024-11-10 14:40:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:49,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549882006] [2024-11-10 14:40:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:49,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:50,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:50,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549882006] [2024-11-10 14:40:50,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549882006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:40:50,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147292390] [2024-11-10 14:40:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:50,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:40:50,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:40:50,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:40:50,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:40:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:50,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:40:50,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:40:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:40:50,368 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:40:50,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147292390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:50,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:40:50,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:40:50,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376407088] [2024-11-10 14:40:50,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:50,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:50,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:50,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:50,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:40:50,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 381 [2024-11-10 14:40:50,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 351 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2024-11-10 14:40:50,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:50,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 381 [2024-11-10 14:40:50,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:50,511 INFO L124 PetriNetUnfolderBase]: 92/911 cut-off events. [2024-11-10 14:40:50,511 INFO L125 PetriNetUnfolderBase]: For 62/64 co-relation queries the response was YES. [2024-11-10 14:40:50,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 911 events. 92/911 cut-off events. For 62/64 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3361 event pairs, 32 based on Foata normal form. 0/889 useless extension candidates. Maximal degree in co-relation 619. Up to 151 conditions per place. [2024-11-10 14:40:50,514 INFO L140 encePairwiseOnDemand]: 378/381 looper letters, 23 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-10 14:40:50,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 355 transitions, 815 flow [2024-11-10 14:40:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1082 transitions. [2024-11-10 14:40:50,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9466316710411199 [2024-11-10 14:40:50,518 INFO L175 Difference]: Start difference. First operand has 354 places, 351 transitions, 752 flow. Second operand 3 states and 1082 transitions. [2024-11-10 14:40:50,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 355 transitions, 815 flow [2024-11-10 14:40:50,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 355 transitions, 811 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:50,523 INFO L231 Difference]: Finished difference. Result has 353 places, 350 transitions, 750 flow [2024-11-10 14:40:50,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=353, PETRI_TRANSITIONS=350} [2024-11-10 14:40:50,524 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -11 predicate places. [2024-11-10 14:40:50,524 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 350 transitions, 750 flow [2024-11-10 14:40:50,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2024-11-10 14:40:50,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:50,525 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:50,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:40:50,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 14:40:50,730 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:50,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash -364100800, now seen corresponding path program 1 times [2024-11-10 14:40:50,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:50,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362486942] [2024-11-10 14:40:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:50,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362486942] [2024-11-10 14:40:50,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362486942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:40:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331185048] [2024-11-10 14:40:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:50,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:40:50,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:40:50,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:40:50,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:40:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:51,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:40:51,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:40:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:40:51,236 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:40:51,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331185048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:51,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:40:51,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:40:51,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132035607] [2024-11-10 14:40:51,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:51,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:51,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:51,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:51,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:40:51,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 381 [2024-11-10 14:40:51,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 350 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 359.0) internal successors, (1077), 3 states have internal predecessors, (1077), 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) [2024-11-10 14:40:51,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:51,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 381 [2024-11-10 14:40:51,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:51,368 INFO L124 PetriNetUnfolderBase]: 81/862 cut-off events. [2024-11-10 14:40:51,368 INFO L125 PetriNetUnfolderBase]: For 49/51 co-relation queries the response was YES. [2024-11-10 14:40:51,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 862 events. 81/862 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2910 event pairs, 24 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 943. Up to 123 conditions per place. [2024-11-10 14:40:51,372 INFO L140 encePairwiseOnDemand]: 378/381 looper letters, 20 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2024-11-10 14:40:51,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 354 transitions, 807 flow [2024-11-10 14:40:51,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2024-11-10 14:40:51,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9545056867891514 [2024-11-10 14:40:51,375 INFO L175 Difference]: Start difference. First operand has 353 places, 350 transitions, 750 flow. Second operand 3 states and 1091 transitions. [2024-11-10 14:40:51,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 354 transitions, 807 flow [2024-11-10 14:40:51,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 354 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:51,380 INFO L231 Difference]: Finished difference. Result has 352 places, 349 transitions, 748 flow [2024-11-10 14:40:51,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=352, PETRI_TRANSITIONS=349} [2024-11-10 14:40:51,381 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -12 predicate places. [2024-11-10 14:40:51,381 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 349 transitions, 748 flow [2024-11-10 14:40:51,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.0) internal successors, (1077), 3 states have internal predecessors, (1077), 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) [2024-11-10 14:40:51,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:51,382 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:51,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 14:40:51,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 14:40:51,583 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:40:51,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:51,584 INFO L85 PathProgramCache]: Analyzing trace with hash 795779500, now seen corresponding path program 1 times [2024-11-10 14:40:51,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:51,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858514400] [2024-11-10 14:40:51,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:51,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:40:51,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858514400] [2024-11-10 14:40:51,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858514400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:40:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159732847] [2024-11-10 14:40:51,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:51,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:40:51,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:40:51,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:40:51,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:40:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:51,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:40:51,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:40:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:40:52,012 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:40:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159732847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:52,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:40:52,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:40:52,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617489984] [2024-11-10 14:40:52,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:52,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:52,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:52,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:52,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:40:52,020 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 381 [2024-11-10 14:40:52,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 349 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 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) [2024-11-10 14:40:52,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:52,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 381 [2024-11-10 14:40:52,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:52,093 INFO L124 PetriNetUnfolderBase]: 58/781 cut-off events. [2024-11-10 14:40:52,094 INFO L125 PetriNetUnfolderBase]: For 43/45 co-relation queries the response was YES. [2024-11-10 14:40:52,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 781 events. 58/781 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2308 event pairs, 19 based on Foata normal form. 1/767 useless extension candidates. Maximal degree in co-relation 958. Up to 107 conditions per place. [2024-11-10 14:40:52,095 INFO L140 encePairwiseOnDemand]: 379/381 looper letters, 0 selfloop transitions, 0 changer transitions 348/348 dead transitions. [2024-11-10 14:40:52,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 348 transitions, 774 flow [2024-11-10 14:40:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2024-11-10 14:40:52,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.952755905511811 [2024-11-10 14:40:52,097 INFO L175 Difference]: Start difference. First operand has 352 places, 349 transitions, 748 flow. Second operand 3 states and 1089 transitions. [2024-11-10 14:40:52,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 348 transitions, 774 flow [2024-11-10 14:40:52,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 348 transitions, 770 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:52,101 INFO L231 Difference]: Finished difference. Result has 351 places, 0 transitions, 0 flow [2024-11-10 14:40:52,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=351, PETRI_TRANSITIONS=0} [2024-11-10 14:40:52,102 INFO L277 CegarLoopForPetriNet]: 364 programPoint places, -13 predicate places. [2024-11-10 14:40:52,102 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 0 transitions, 0 flow [2024-11-10 14:40:52,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 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) [2024-11-10 14:40:52,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2024-11-10 14:40:52,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 28 remaining) [2024-11-10 14:40:52,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2024-11-10 14:40:52,109 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2024-11-10 14:40:52,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2024-11-10 14:40:52,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2024-11-10 14:40:52,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 14:40:52,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:40:52,311 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:52,315 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:40:52,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:40:52,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:40:52 BasicIcfg [2024-11-10 14:40:52,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:40:52,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:40:52,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:40:52,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:40:52,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:40:45" (3/4) ... [2024-11-10 14:40:52,322 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:40:52,324 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:40:52,324 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:40:52,332 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-10 14:40:52,332 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:40:52,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:40:52,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:40:52,411 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:40:52,412 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:40:52,412 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:40:52,412 INFO L158 Benchmark]: Toolchain (without parser) took 7699.85ms. Allocated memory was 142.6MB in the beginning and 532.7MB in the end (delta: 390.1MB). Free memory was 70.7MB in the beginning and 376.8MB in the end (delta: -306.1MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,413 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 142.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:40:52,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.27ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.5MB in the beginning and 149.0MB in the end (delta: -78.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.53ms. Allocated memory is still 197.1MB. Free memory was 149.0MB in the beginning and 145.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,413 INFO L158 Benchmark]: Boogie Preprocessor took 37.57ms. Allocated memory is still 197.1MB. Free memory was 145.8MB in the beginning and 142.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,414 INFO L158 Benchmark]: IcfgBuilder took 557.33ms. Allocated memory is still 197.1MB. Free memory was 142.7MB in the beginning and 113.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,414 INFO L158 Benchmark]: TraceAbstraction took 6449.18ms. Allocated memory was 197.1MB in the beginning and 532.7MB in the end (delta: 335.5MB). Free memory was 112.3MB in the beginning and 384.1MB in the end (delta: -271.9MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,414 INFO L158 Benchmark]: Witness Printer took 93.44ms. Allocated memory is still 532.7MB. Free memory was 383.1MB in the beginning and 376.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:40:52,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 142.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.27ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.5MB in the beginning and 149.0MB in the end (delta: -78.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.53ms. Allocated memory is still 197.1MB. Free memory was 149.0MB in the beginning and 145.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.57ms. Allocated memory is still 197.1MB. Free memory was 145.8MB in the beginning and 142.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 557.33ms. Allocated memory is still 197.1MB. Free memory was 142.7MB in the beginning and 113.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6449.18ms. Allocated memory was 197.1MB in the beginning and 532.7MB in the end (delta: 335.5MB). Free memory was 112.3MB in the beginning and 384.1MB in the end (delta: -271.9MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Witness Printer took 93.44ms. Allocated memory is still 532.7MB. Free memory was 383.1MB in the beginning and 376.8MB 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: 880]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 882]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 882]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 894]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 896]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 896]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 903]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 897]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 897]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 909]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 917]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 918]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 461 locations, 28 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: 6.3s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 412 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 680 IncrementalHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 68 mSDtfsCounter, 680 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1016 GetRequests, 994 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred in iteration=6, InterpolantAutomatonStates: 39, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4693 NumberOfCodeBlocks, 4693 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4677 ConstructedInterpolants, 0 QuantifiedInterpolants, 5017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2034 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 10/16 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:40:52,437 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