./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:37:03,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:37:03,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:37:03,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:37:03,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:37:03,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:37:03,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:37:03,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:37:03,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:37:03,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:37:03,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:37:03,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:37:03,433 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:37:03,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:37:03,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:37:03,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:37:03,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:37:03,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:37:03,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:37:03,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:37:03,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:37:03,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:37:03,437 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:37:03,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:37:03,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:37:03,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:37:03,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:37:03,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:37:03,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:37:03,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:37:03,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:37:03,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:37:03,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:37:03,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:37:03,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:37:03,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:37:03,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:37:03,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:37:03,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:37:03,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:37:03,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:37:03,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-12 12:37:03,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:37:03,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:37:03,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:37:03,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:37:03,774 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:37:03,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-12 12:37:05,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:37:05,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:37:05,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-12 12:37:05,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bafd96ca/a86cdb25352847118ce5f2defb6d9a05/FLAGd6106102e [2024-11-12 12:37:05,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bafd96ca/a86cdb25352847118ce5f2defb6d9a05 [2024-11-12 12:37:05,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:37:05,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:37:05,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:37:05,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:37:05,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:37:05,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:37:05" (1/1) ... [2024-11-12 12:37:05,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ce6a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:05, skipping insertion in model container [2024-11-12 12:37:05,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:37:05" (1/1) ... [2024-11-12 12:37:05,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:37:06,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:37:06,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:37:06,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:37:06,571 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:37:06,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06 WrapperNode [2024-11-12 12:37:06,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:37:06,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:37:06,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:37:06,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:37:06,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,783 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 3269 [2024-11-12 12:37:06,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:37:06,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:37:06,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:37:06,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:37:06,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:06,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:07,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:07,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:37:07,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:37:07,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:37:07,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:37:07,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (1/1) ... [2024-11-12 12:37:07,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:37:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:37:07,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:37:07,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:37:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:37:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:37:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:37:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:37:07,125 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:37:07,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:37:07,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:37:10,872 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:37:10,872 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:37:21,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:37:21,604 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-12 12:37:21,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:37:21 BoogieIcfgContainer [2024-11-12 12:37:21,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:37:21,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:37:21,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:37:21,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:37:21,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:37:05" (1/3) ... [2024-11-12 12:37:21,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cce0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:37:21, skipping insertion in model container [2024-11-12 12:37:21,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:06" (2/3) ... [2024-11-12 12:37:21,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cce0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:37:21, skipping insertion in model container [2024-11-12 12:37:21,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:37:21" (3/3) ... [2024-11-12 12:37:21,613 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-12 12:37:21,633 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:37:21,633 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 494 error locations. [2024-11-12 12:37:21,634 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:37:23,796 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:37:23,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-12 12:37:24,600 INFO L124 PetriNetUnfolderBase]: 55/1114 cut-off events. [2024-11-12 12:37:24,601 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:37:24,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1114 events. 55/1114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5190 event pairs, 0 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 772. Up to 7 conditions per place. [2024-11-12 12:37:24,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-12 12:37:24,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1046 places, 1092 transitions, 2196 flow [2024-11-12 12:37:24,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:37:24,683 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;@7ddeff1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:37:24,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 970 error locations. [2024-11-12 12:37:24,692 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:37:24,693 INFO L124 PetriNetUnfolderBase]: 3/71 cut-off events. [2024-11-12 12:37:24,693 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:37:24,693 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:24,694 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:24,695 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:37:24,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1737294229, now seen corresponding path program 1 times [2024-11-12 12:37:24,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:24,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120633933] [2024-11-12 12:37:24,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:24,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:26,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:26,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120633933] [2024-11-12 12:37:26,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120633933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:26,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:26,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:37:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329966717] [2024-11-12 12:37:26,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:26,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:37:26,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:37:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:37:27,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 1116 [2024-11-12 12:37:27,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:27,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:27,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 1116 [2024-11-12 12:37:27,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:31,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:37:32,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:37:33,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:37:39,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:37:43,050 INFO L124 PetriNetUnfolderBase]: 104/806 cut-off events. [2024-11-12 12:37:43,050 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-12 12:37:43,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 806 events. 104/806 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1943 event pairs, 15 based on Foata normal form. 44/747 useless extension candidates. Maximal degree in co-relation 617. Up to 185 conditions per place. [2024-11-12 12:37:43,057 INFO L140 encePairwiseOnDemand]: 566/1116 looper letters, 90 selfloop transitions, 40 changer transitions 16/582 dead transitions. [2024-11-12 12:37:43,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 582 transitions, 1436 flow [2024-11-12 12:37:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:37:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:37:43,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3484 transitions. [2024-11-12 12:37:43,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5203106332138591 [2024-11-12 12:37:43,088 INFO L175 Difference]: Start difference. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand 6 states and 3484 transitions. [2024-11-12 12:37:43,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 582 transitions, 1436 flow [2024-11-12 12:37:43,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 582 transitions, 1428 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:37:43,116 INFO L231 Difference]: Finished difference. Result has 565 places, 566 transitions, 1216 flow [2024-11-12 12:37:43,120 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1216, PETRI_PLACES=565, PETRI_TRANSITIONS=566} [2024-11-12 12:37:43,126 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -481 predicate places. [2024-11-12 12:37:43,127 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 566 transitions, 1216 flow [2024-11-12 12:37:43,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:43,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:43,131 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:43,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:37:43,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:37:43,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:43,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1472892581, now seen corresponding path program 1 times [2024-11-12 12:37:43,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:43,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955758933] [2024-11-12 12:37:43,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:43,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:43,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:43,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955758933] [2024-11-12 12:37:43,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955758933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:43,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:43,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:43,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876056507] [2024-11-12 12:37:43,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:43,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:43,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:43,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:43,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-12 12:37:43,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 566 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:43,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:43,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-12 12:37:43,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:47,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:37:51,881 INFO L124 PetriNetUnfolderBase]: 104/789 cut-off events. [2024-11-12 12:37:51,881 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:37:51,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 789 events. 104/789 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1919 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 839. Up to 124 conditions per place. [2024-11-12 12:37:51,885 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/565 dead transitions. [2024-11-12 12:37:51,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 565 transitions, 1276 flow [2024-11-12 12:37:51,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-12 12:37:51,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-12 12:37:51,898 INFO L175 Difference]: Start difference. First operand has 565 places, 566 transitions, 1216 flow. Second operand 3 states and 1769 transitions. [2024-11-12 12:37:51,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 565 transitions, 1276 flow [2024-11-12 12:37:51,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 565 transitions, 1196 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:37:51,909 INFO L231 Difference]: Finished difference. Result has 545 places, 565 transitions, 1138 flow [2024-11-12 12:37:51,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=545, PETRI_TRANSITIONS=565} [2024-11-12 12:37:51,911 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -501 predicate places. [2024-11-12 12:37:51,911 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 565 transitions, 1138 flow [2024-11-12 12:37:51,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:51,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:51,915 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:51,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:37:51,915 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:37:51,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:51,917 INFO L85 PathProgramCache]: Analyzing trace with hash -156120571, now seen corresponding path program 1 times [2024-11-12 12:37:51,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:51,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153246631] [2024-11-12 12:37:51,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:51,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:52,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:52,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153246631] [2024-11-12 12:37:52,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153246631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:52,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:52,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488979572] [2024-11-12 12:37:52,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:52,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:52,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:52,038 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-12 12:37:52,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 565 transitions, 1138 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:52,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:52,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-12 12:37:52,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:57,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:38:00,687 INFO L124 PetriNetUnfolderBase]: 104/788 cut-off events. [2024-11-12 12:38:00,688 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:38:00,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 788 events. 104/788 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1941 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 842. Up to 124 conditions per place. [2024-11-12 12:38:00,693 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/564 dead transitions. [2024-11-12 12:38:00,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 564 transitions, 1198 flow [2024-11-12 12:38:00,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:00,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-12 12:38:00,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-12 12:38:00,703 INFO L175 Difference]: Start difference. First operand has 545 places, 565 transitions, 1138 flow. Second operand 3 states and 1769 transitions. [2024-11-12 12:38:00,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 564 transitions, 1198 flow [2024-11-12 12:38:00,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 564 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:00,714 INFO L231 Difference]: Finished difference. Result has 544 places, 564 transitions, 1136 flow [2024-11-12 12:38:00,715 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1136, PETRI_PLACES=544, PETRI_TRANSITIONS=564} [2024-11-12 12:38:00,716 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -502 predicate places. [2024-11-12 12:38:00,716 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 564 transitions, 1136 flow [2024-11-12 12:38:00,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:00,718 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:00,718 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:38:00,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:38:00,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:38:00,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:00,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1548346605, now seen corresponding path program 1 times [2024-11-12 12:38:00,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:00,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381941056] [2024-11-12 12:38:00,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:00,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:00,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:00,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381941056] [2024-11-12 12:38:00,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381941056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:00,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:00,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372114920] [2024-11-12 12:38:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:00,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:00,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:00,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-12 12:38:00,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 564 transitions, 1136 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:00,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:00,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-12 12:38:00,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:02,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:38:06,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:38:09,088 INFO L124 PetriNetUnfolderBase]: 104/787 cut-off events. [2024-11-12 12:38:09,088 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:38:09,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 787 events. 104/787 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1937 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 794. Up to 124 conditions per place. [2024-11-12 12:38:09,092 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/563 dead transitions. [2024-11-12 12:38:09,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 563 transitions, 1196 flow [2024-11-12 12:38:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-12 12:38:09,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-12 12:38:09,103 INFO L175 Difference]: Start difference. First operand has 544 places, 564 transitions, 1136 flow. Second operand 3 states and 1769 transitions. [2024-11-12 12:38:09,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 563 transitions, 1196 flow [2024-11-12 12:38:09,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 563 transitions, 1192 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:09,112 INFO L231 Difference]: Finished difference. Result has 543 places, 563 transitions, 1134 flow [2024-11-12 12:38:09,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1134, PETRI_PLACES=543, PETRI_TRANSITIONS=563} [2024-11-12 12:38:09,114 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -503 predicate places. [2024-11-12 12:38:09,114 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 563 transitions, 1134 flow [2024-11-12 12:38:09,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:09,115 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:09,115 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:38:09,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:38:09,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:38:09,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2134823942, now seen corresponding path program 1 times [2024-11-12 12:38:09,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:09,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831674794] [2024-11-12 12:38:09,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:09,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:09,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:09,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831674794] [2024-11-12 12:38:09,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831674794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:09,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:09,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:09,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872882735] [2024-11-12 12:38:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:09,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:09,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:09,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:09,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:09,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-12 12:38:09,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 563 transitions, 1134 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:09,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:09,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-12 12:38:09,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:11,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:38:15,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 12:38:18,198 INFO L124 PetriNetUnfolderBase]: 104/786 cut-off events. [2024-11-12 12:38:18,198 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:38:18,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 786 events. 104/786 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1936 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 746. Up to 124 conditions per place. [2024-11-12 12:38:18,201 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/562 dead transitions. [2024-11-12 12:38:18,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 562 transitions, 1194 flow [2024-11-12 12:38:18,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-12 12:38:18,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-12 12:38:18,209 INFO L175 Difference]: Start difference. First operand has 543 places, 563 transitions, 1134 flow. Second operand 3 states and 1769 transitions. [2024-11-12 12:38:18,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 562 transitions, 1194 flow [2024-11-12 12:38:18,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 562 transitions, 1190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:18,222 INFO L231 Difference]: Finished difference. Result has 542 places, 562 transitions, 1132 flow [2024-11-12 12:38:18,223 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1132, PETRI_PLACES=542, PETRI_TRANSITIONS=562} [2024-11-12 12:38:18,224 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -504 predicate places. [2024-11-12 12:38:18,224 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 562 transitions, 1132 flow [2024-11-12 12:38:18,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:18,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:18,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:38:18,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:38:18,226 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:38:18,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2032243358, now seen corresponding path program 1 times [2024-11-12 12:38:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:18,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551836221] [2024-11-12 12:38:18,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:18,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:18,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551836221] [2024-11-12 12:38:18,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551836221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:18,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:18,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190154669] [2024-11-12 12:38:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:18,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:18,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:18,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:18,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-12 12:38:18,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 562 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:18,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:18,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-12 12:38:18,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:25,411 INFO L124 PetriNetUnfolderBase]: 104/785 cut-off events. [2024-11-12 12:38:25,411 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:38:25,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 785 events. 104/785 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1934 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 698. Up to 124 conditions per place. [2024-11-12 12:38:25,415 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-12 12:38:25,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 561 transitions, 1192 flow [2024-11-12 12:38:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-12 12:38:25,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-12 12:38:25,425 INFO L175 Difference]: Start difference. First operand has 542 places, 562 transitions, 1132 flow. Second operand 3 states and 1769 transitions. [2024-11-12 12:38:25,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 561 transitions, 1192 flow [2024-11-12 12:38:25,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 561 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:25,435 INFO L231 Difference]: Finished difference. Result has 541 places, 561 transitions, 1130 flow [2024-11-12 12:38:25,436 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1130, PETRI_PLACES=541, PETRI_TRANSITIONS=561} [2024-11-12 12:38:25,439 INFO L279 CegarLoopForPetriNet]: 1046 programPoint places, -505 predicate places. [2024-11-12 12:38:25,440 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 561 transitions, 1130 flow [2024-11-12 12:38:25,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:25,442 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:25,442 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:38:25,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:38:25,442 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-12 12:38:25,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:25,443 INFO L85 PathProgramCache]: Analyzing trace with hash -128575960, now seen corresponding path program 1 times [2024-11-12 12:38:25,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:25,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155877081] [2024-11-12 12:38:25,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:25,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:25,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155877081] [2024-11-12 12:38:25,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155877081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:25,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:25,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:25,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704450928] [2024-11-12 12:38:25,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:25,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:25,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:25,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:25,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:25,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-12 12:38:25,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 561 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:38:25,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:25,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-12 12:38:25,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand