./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.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 e9f2c63b5b236ffd2c3c18bb3989267f7d1d50794d9317a52e37b9cf94f3ba35 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:35:39,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:35:39,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:35:39,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:35:39,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:35:39,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:35:39,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:35:39,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:35:39,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:35:39,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:35:39,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:35:39,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:35:39,630 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:35:39,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:35:39,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:35:39,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:35:39,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:35:39,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:35:39,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:35:39,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:35:39,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:35:39,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:35:39,636 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:35:39,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:35:39,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:35:39,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:35:39,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:35:39,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:35:39,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:35:39,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:35:39,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:35:39,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:35:39,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:35:39,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:35:39,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:35:39,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:35:39,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:35:39,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:35:39,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:35:39,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:35:39,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:35:39,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9f2c63b5b236ffd2c3c18bb3989267f7d1d50794d9317a52e37b9cf94f3ba35 [2024-10-24 15:35:39,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:35:39,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:35:39,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:35:39,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:35:39,924 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:35:39,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i [2024-10-24 15:35:41,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:35:41,596 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:35:41,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i [2024-10-24 15:35:41,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb80791f/5912c587325e4af8ad11fb259b7cfb2c/FLAG81b643c34 [2024-10-24 15:35:41,626 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb80791f/5912c587325e4af8ad11fb259b7cfb2c [2024-10-24 15:35:41,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:35:41,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:35:41,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:35:41,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:35:41,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:35:41,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:35:41" (1/1) ... [2024-10-24 15:35:41,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7c4e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:41, skipping insertion in model container [2024-10-24 15:35:41,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:35:41" (1/1) ... [2024-10-24 15:35:41,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:35:42,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:35:42,110 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:35:42,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:35:42,210 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:35:42,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42 WrapperNode [2024-10-24 15:35:42,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:35:42,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:35:42,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:35:42,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:35:42,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,281 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 173 [2024-10-24 15:35:42,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:35:42,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:35:42,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:35:42,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:35:42,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:35:42,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:35:42,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:35:42,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:35:42,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (1/1) ... [2024-10-24 15:35:42,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:35:42,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:35:42,374 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) [2024-10-24 15:35:42,378 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 [2024-10-24 15:35:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:35:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-10-24 15:35:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-10-24 15:35:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:35:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:35:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:35:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:35:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:35:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-10-24 15:35:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-10-24 15:35:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:35:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:35:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:35:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:35:42,432 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:35:42,551 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:35:42,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:35:42,946 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:35:42,946 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:35:42,987 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:35:42,988 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-24 15:35:42,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:35:42 BoogieIcfgContainer [2024-10-24 15:35:42,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:35:42,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:35:42,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:35:42,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:35:42,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:35:41" (1/3) ... [2024-10-24 15:35:42,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c69135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:35:42, skipping insertion in model container [2024-10-24 15:35:42,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:35:42" (2/3) ... [2024-10-24 15:35:42,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c69135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:35:42, skipping insertion in model container [2024-10-24 15:35:42,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:35:42" (3/3) ... [2024-10-24 15:35:42,999 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_c11_good-30.i [2024-10-24 15:35:43,018 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:35:43,019 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-24 15:35:43,019 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:35:43,117 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-24 15:35:43,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 217 transitions, 454 flow [2024-10-24 15:35:43,328 INFO L124 PetriNetUnfolderBase]: 32/556 cut-off events. [2024-10-24 15:35:43,329 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-24 15:35:43,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 556 events. 32/556 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2222 event pairs, 0 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 266. Up to 8 conditions per place. [2024-10-24 15:35:43,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 217 transitions, 454 flow [2024-10-24 15:35:43,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 217 transitions, 454 flow [2024-10-24 15:35:43,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:35:43,370 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;@68d5f122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:35:43,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-10-24 15:35:43,375 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:35:43,375 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-24 15:35:43,375 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:35:43,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:43,377 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] [2024-10-24 15:35:43,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:43,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:43,383 INFO L85 PathProgramCache]: Analyzing trace with hash -388360822, now seen corresponding path program 1 times [2024-10-24 15:35:43,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:43,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422078751] [2024-10-24 15:35:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:43,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:43,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:43,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422078751] [2024-10-24 15:35:43,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422078751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:43,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:43,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:43,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006491642] [2024-10-24 15:35:43,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:43,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:43,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:43,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:43,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:43,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2024-10-24 15:35:43,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 217 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2024-10-24 15:35:43,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:43,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2024-10-24 15:35:43,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:44,166 INFO L124 PetriNetUnfolderBase]: 85/973 cut-off events. [2024-10-24 15:35:44,166 INFO L125 PetriNetUnfolderBase]: For 43/45 co-relation queries the response was YES. [2024-10-24 15:35:44,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 973 events. 85/973 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5314 event pairs, 64 based on Foata normal form. 45/837 useless extension candidates. Maximal degree in co-relation 872. Up to 207 conditions per place. [2024-10-24 15:35:44,181 INFO L140 encePairwiseOnDemand]: 207/217 looper letters, 31 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-10-24 15:35:44,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 200 transitions, 486 flow [2024-10-24 15:35:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-10-24 15:35:44,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8602150537634409 [2024-10-24 15:35:44,203 INFO L175 Difference]: Start difference. First operand has 209 places, 217 transitions, 454 flow. Second operand 3 states and 560 transitions. [2024-10-24 15:35:44,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 200 transitions, 486 flow [2024-10-24 15:35:44,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 200 transitions, 486 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:35:44,214 INFO L231 Difference]: Finished difference. Result has 200 places, 200 transitions, 424 flow [2024-10-24 15:35:44,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=200, PETRI_TRANSITIONS=200} [2024-10-24 15:35:44,220 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2024-10-24 15:35:44,220 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 200 transitions, 424 flow [2024-10-24 15:35:44,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2024-10-24 15:35:44,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:44,222 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] [2024-10-24 15:35:44,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:35:44,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:44,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash 985080266, now seen corresponding path program 1 times [2024-10-24 15:35:44,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:44,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194765375] [2024-10-24 15:35:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194765375] [2024-10-24 15:35:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194765375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:44,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:44,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:44,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406169245] [2024-10-24 15:35:44,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:44,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:44,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:44,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 217 [2024-10-24 15:35:44,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 200 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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) [2024-10-24 15:35:44,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:44,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 217 [2024-10-24 15:35:44,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:44,560 INFO L124 PetriNetUnfolderBase]: 117/984 cut-off events. [2024-10-24 15:35:44,561 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-10-24 15:35:44,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1312 conditions, 984 events. 117/984 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5299 event pairs, 78 based on Foata normal form. 0/866 useless extension candidates. Maximal degree in co-relation 1283. Up to 243 conditions per place. [2024-10-24 15:35:44,569 INFO L140 encePairwiseOnDemand]: 194/217 looper letters, 31 selfloop transitions, 11 changer transitions 0/190 dead transitions. [2024-10-24 15:35:44,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 190 transitions, 488 flow [2024-10-24 15:35:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-10-24 15:35:44,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7972350230414746 [2024-10-24 15:35:44,572 INFO L175 Difference]: Start difference. First operand has 200 places, 200 transitions, 424 flow. Second operand 3 states and 519 transitions. [2024-10-24 15:35:44,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 190 transitions, 488 flow [2024-10-24 15:35:44,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 190 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:35:44,577 INFO L231 Difference]: Finished difference. Result has 188 places, 188 transitions, 418 flow [2024-10-24 15:35:44,577 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=188, PETRI_TRANSITIONS=188} [2024-10-24 15:35:44,578 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -21 predicate places. [2024-10-24 15:35:44,578 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 188 transitions, 418 flow [2024-10-24 15:35:44,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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) [2024-10-24 15:35:44,579 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:44,579 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] [2024-10-24 15:35:44,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:35:44,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:44,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1613330187, now seen corresponding path program 1 times [2024-10-24 15:35:44,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:44,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101715093] [2024-10-24 15:35:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:44,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:44,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:44,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101715093] [2024-10-24 15:35:44,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101715093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:44,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:44,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:35:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450073423] [2024-10-24 15:35:44,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:44,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:44,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:44,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:44,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 217 [2024-10-24 15:35:44,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 188 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-10-24 15:35:44,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:44,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 217 [2024-10-24 15:35:44,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:44,846 INFO L124 PetriNetUnfolderBase]: 27/504 cut-off events. [2024-10-24 15:35:44,846 INFO L125 PetriNetUnfolderBase]: For 32/36 co-relation queries the response was YES. [2024-10-24 15:35:44,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 504 events. 27/504 cut-off events. For 32/36 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1534 event pairs, 10 based on Foata normal form. 6/459 useless extension candidates. Maximal degree in co-relation 436. Up to 39 conditions per place. [2024-10-24 15:35:44,850 INFO L140 encePairwiseOnDemand]: 205/217 looper letters, 17 selfloop transitions, 8 changer transitions 9/193 dead transitions. [2024-10-24 15:35:44,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 486 flow [2024-10-24 15:35:44,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2024-10-24 15:35:44,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9032258064516129 [2024-10-24 15:35:44,853 INFO L175 Difference]: Start difference. First operand has 188 places, 188 transitions, 418 flow. Second operand 3 states and 588 transitions. [2024-10-24 15:35:44,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 486 flow [2024-10-24 15:35:44,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:35:44,858 INFO L231 Difference]: Finished difference. Result has 189 places, 180 transitions, 412 flow [2024-10-24 15:35:44,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=189, PETRI_TRANSITIONS=180} [2024-10-24 15:35:44,859 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -20 predicate places. [2024-10-24 15:35:44,860 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 180 transitions, 412 flow [2024-10-24 15:35:44,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-10-24 15:35:44,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:44,861 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] [2024-10-24 15:35:44,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:35:44,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:44,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:44,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2042480670, now seen corresponding path program 1 times [2024-10-24 15:35:44,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:44,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697864398] [2024-10-24 15:35:44,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:44,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:45,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:45,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697864398] [2024-10-24 15:35:45,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697864398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:45,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:45,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:35:45,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273294079] [2024-10-24 15:35:45,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:45,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:35:45,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:45,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:35:45,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:35:45,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 217 [2024-10-24 15:35:45,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 180 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2024-10-24 15:35:45,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:45,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 217 [2024-10-24 15:35:45,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:45,737 INFO L124 PetriNetUnfolderBase]: 83/713 cut-off events. [2024-10-24 15:35:45,738 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-10-24 15:35:45,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 713 events. 83/713 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2700 event pairs, 5 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 794. Up to 193 conditions per place. [2024-10-24 15:35:45,744 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 42 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-10-24 15:35:45,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 187 transitions, 520 flow [2024-10-24 15:35:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:35:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:35:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1043 transitions. [2024-10-24 15:35:45,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8010752688172043 [2024-10-24 15:35:45,747 INFO L175 Difference]: Start difference. First operand has 189 places, 180 transitions, 412 flow. Second operand 6 states and 1043 transitions. [2024-10-24 15:35:45,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 187 transitions, 520 flow [2024-10-24 15:35:45,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 187 transitions, 512 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:35:45,751 INFO L231 Difference]: Finished difference. Result has 183 places, 179 transitions, 412 flow [2024-10-24 15:35:45,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=183, PETRI_TRANSITIONS=179} [2024-10-24 15:35:45,752 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -26 predicate places. [2024-10-24 15:35:45,752 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 179 transitions, 412 flow [2024-10-24 15:35:45,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2024-10-24 15:35:45,753 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:45,754 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] [2024-10-24 15:35:45,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:35:45,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:45,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash 192606770, now seen corresponding path program 1 times [2024-10-24 15:35:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192771747] [2024-10-24 15:35:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:45,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:45,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192771747] [2024-10-24 15:35:45,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192771747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:45,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:45,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:45,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168634238] [2024-10-24 15:35:45,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:45,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:45,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:45,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:45,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:45,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2024-10-24 15:35:45,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 179 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2024-10-24 15:35:45,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:45,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2024-10-24 15:35:45,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:46,003 INFO L124 PetriNetUnfolderBase]: 63/695 cut-off events. [2024-10-24 15:35:46,003 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-10-24 15:35:46,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 695 events. 63/695 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2655 event pairs, 49 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 728. Up to 151 conditions per place. [2024-10-24 15:35:46,008 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 32 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2024-10-24 15:35:46,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 180 transitions, 482 flow [2024-10-24 15:35:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2024-10-24 15:35:46,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8509984639016898 [2024-10-24 15:35:46,010 INFO L175 Difference]: Start difference. First operand has 183 places, 179 transitions, 412 flow. Second operand 3 states and 554 transitions. [2024-10-24 15:35:46,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 180 transitions, 482 flow [2024-10-24 15:35:46,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 180 transitions, 472 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:35:46,014 INFO L231 Difference]: Finished difference. Result has 179 places, 178 transitions, 404 flow [2024-10-24 15:35:46,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=179, PETRI_TRANSITIONS=178} [2024-10-24 15:35:46,015 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -30 predicate places. [2024-10-24 15:35:46,016 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 178 transitions, 404 flow [2024-10-24 15:35:46,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2024-10-24 15:35:46,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:46,017 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] [2024-10-24 15:35:46,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:35:46,017 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:46,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:46,018 INFO L85 PathProgramCache]: Analyzing trace with hash -480403281, now seen corresponding path program 1 times [2024-10-24 15:35:46,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:46,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817824824] [2024-10-24 15:35:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:46,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:46,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:46,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817824824] [2024-10-24 15:35:46,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817824824] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:35:46,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712544487] [2024-10-24 15:35:46,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:35:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:35:46,113 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) [2024-10-24 15:35:46,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 15:35:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:46,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:35:46,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:35:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 15:35:46,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:35:46,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712544487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:46,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:35:46,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-24 15:35:46,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971500326] [2024-10-24 15:35:46,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:46,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:46,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:46,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:46,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:35:46,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2024-10-24 15:35:46,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 178 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-10-24 15:35:46,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:46,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2024-10-24 15:35:46,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:46,428 INFO L124 PetriNetUnfolderBase]: 63/679 cut-off events. [2024-10-24 15:35:46,429 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-24 15:35:46,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 679 events. 63/679 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2557 event pairs, 49 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 702. Up to 151 conditions per place. [2024-10-24 15:35:46,434 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 32 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2024-10-24 15:35:46,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 179 transitions, 474 flow [2024-10-24 15:35:46,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2024-10-24 15:35:46,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8509984639016898 [2024-10-24 15:35:46,437 INFO L175 Difference]: Start difference. First operand has 179 places, 178 transitions, 404 flow. Second operand 3 states and 554 transitions. [2024-10-24 15:35:46,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 179 transitions, 474 flow [2024-10-24 15:35:46,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 179 transitions, 470 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:35:46,443 INFO L231 Difference]: Finished difference. Result has 178 places, 177 transitions, 402 flow [2024-10-24 15:35:46,444 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2024-10-24 15:35:46,444 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -31 predicate places. [2024-10-24 15:35:46,445 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 402 flow [2024-10-24 15:35:46,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-10-24 15:35:46,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:46,446 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 15:35:46,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 15:35:46,647 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,SelfDestructingSolverStorable5 [2024-10-24 15:35:46,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:35:46,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:46,648 INFO L85 PathProgramCache]: Analyzing trace with hash -297958305, now seen corresponding path program 1 times [2024-10-24 15:35:46,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:46,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613581156] [2024-10-24 15:35:46,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:46,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:35:46,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 15:35:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:35:46,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 15:35:46,710 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 15:35:46,711 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 38 remaining) [2024-10-24 15:35:46,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2024-10-24 15:35:46,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2024-10-24 15:35:46,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2024-10-24 15:35:46,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2024-10-24 15:35:46,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2024-10-24 15:35:46,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2024-10-24 15:35:46,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2024-10-24 15:35:46,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2024-10-24 15:35:46,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2024-10-24 15:35:46,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2024-10-24 15:35:46,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2024-10-24 15:35:46,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2024-10-24 15:35:46,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2024-10-24 15:35:46,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2024-10-24 15:35:46,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2024-10-24 15:35:46,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2024-10-24 15:35:46,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2024-10-24 15:35:46,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2024-10-24 15:35:46,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2024-10-24 15:35:46,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2024-10-24 15:35:46,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2024-10-24 15:35:46,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2024-10-24 15:35:46,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2024-10-24 15:35:46,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 38 remaining) [2024-10-24 15:35:46,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2024-10-24 15:35:46,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2024-10-24 15:35:46,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2024-10-24 15:35:46,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2024-10-24 15:35:46,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2024-10-24 15:35:46,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2024-10-24 15:35:46,719 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 38 remaining) [2024-10-24 15:35:46,719 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2024-10-24 15:35:46,719 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2024-10-24 15:35:46,719 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2024-10-24 15:35:46,719 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2024-10-24 15:35:46,720 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2024-10-24 15:35:46,720 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2024-10-24 15:35:46,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:35:46,720 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:35:46,723 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 15:35:46,723 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-24 15:35:46,753 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-10-24 15:35:46,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 270 transitions, 584 flow [2024-10-24 15:35:46,976 INFO L124 PetriNetUnfolderBase]: 131/1806 cut-off events. [2024-10-24 15:35:46,977 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-10-24 15:35:46,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1895 conditions, 1806 events. 131/1806 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10386 event pairs, 2 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1024. Up to 32 conditions per place. [2024-10-24 15:35:46,997 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 270 transitions, 584 flow [2024-10-24 15:35:47,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 270 transitions, 584 flow [2024-10-24 15:35:47,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:35:47,015 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;@68d5f122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:35:47,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-10-24 15:35:47,017 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:35:47,017 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-24 15:35:47,017 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:35:47,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:47,018 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] [2024-10-24 15:35:47,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:47,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:47,018 INFO L85 PathProgramCache]: Analyzing trace with hash 640713866, now seen corresponding path program 1 times [2024-10-24 15:35:47,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:47,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664009253] [2024-10-24 15:35:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:47,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:47,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:47,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664009253] [2024-10-24 15:35:47,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664009253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:47,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:47,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:47,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791040303] [2024-10-24 15:35:47,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:47,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:47,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:47,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2024-10-24 15:35:47,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 270 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2024-10-24 15:35:47,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:47,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2024-10-24 15:35:47,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:48,349 INFO L124 PetriNetUnfolderBase]: 1200/6906 cut-off events. [2024-10-24 15:35:48,349 INFO L125 PetriNetUnfolderBase]: For 660/694 co-relation queries the response was YES. [2024-10-24 15:35:48,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9251 conditions, 6906 events. 1200/6906 cut-off events. For 660/694 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 60434 event pairs, 985 based on Foata normal form. 836/6537 useless extension candidates. Maximal degree in co-relation 4715. Up to 2070 conditions per place. [2024-10-24 15:35:48,440 INFO L140 encePairwiseOnDemand]: 257/270 looper letters, 39 selfloop transitions, 2 changer transitions 0/241 dead transitions. [2024-10-24 15:35:48,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 241 transitions, 608 flow [2024-10-24 15:35:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-10-24 15:35:48,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493827160493828 [2024-10-24 15:35:48,443 INFO L175 Difference]: Start difference. First operand has 257 places, 270 transitions, 584 flow. Second operand 3 states and 688 transitions. [2024-10-24 15:35:48,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 241 transitions, 608 flow [2024-10-24 15:35:48,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 241 transitions, 608 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:35:48,449 INFO L231 Difference]: Finished difference. Result has 238 places, 241 transitions, 530 flow [2024-10-24 15:35:48,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=238, PETRI_TRANSITIONS=241} [2024-10-24 15:35:48,450 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -19 predicate places. [2024-10-24 15:35:48,450 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 241 transitions, 530 flow [2024-10-24 15:35:48,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2024-10-24 15:35:48,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:48,451 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] [2024-10-24 15:35:48,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:35:48,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:48,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:48,452 INFO L85 PathProgramCache]: Analyzing trace with hash 672817750, now seen corresponding path program 1 times [2024-10-24 15:35:48,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:48,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075897629] [2024-10-24 15:35:48,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:48,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:48,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:48,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075897629] [2024-10-24 15:35:48,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075897629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:48,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:48,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:48,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852978398] [2024-10-24 15:35:48,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:48,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:48,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:48,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:48,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:48,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 270 [2024-10-24 15:35:48,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 241 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2024-10-24 15:35:48,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:48,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 270 [2024-10-24 15:35:48,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:49,795 INFO L124 PetriNetUnfolderBase]: 1650/7274 cut-off events. [2024-10-24 15:35:49,795 INFO L125 PetriNetUnfolderBase]: For 671/689 co-relation queries the response was YES. [2024-10-24 15:35:49,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10494 conditions, 7274 events. 1650/7274 cut-off events. For 671/689 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 60728 event pairs, 1169 based on Foata normal form. 0/6508 useless extension candidates. Maximal degree in co-relation 10463. Up to 2412 conditions per place. [2024-10-24 15:35:49,893 INFO L140 encePairwiseOnDemand]: 247/270 looper letters, 41 selfloop transitions, 11 changer transitions 0/233 dead transitions. [2024-10-24 15:35:49,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 233 transitions, 618 flow [2024-10-24 15:35:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-10-24 15:35:49,896 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7975308641975308 [2024-10-24 15:35:49,896 INFO L175 Difference]: Start difference. First operand has 238 places, 241 transitions, 530 flow. Second operand 3 states and 646 transitions. [2024-10-24 15:35:49,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 233 transitions, 618 flow [2024-10-24 15:35:49,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 233 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:35:49,902 INFO L231 Difference]: Finished difference. Result has 226 places, 229 transitions, 524 flow [2024-10-24 15:35:49,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=226, PETRI_TRANSITIONS=229} [2024-10-24 15:35:49,904 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -31 predicate places. [2024-10-24 15:35:49,904 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 229 transitions, 524 flow [2024-10-24 15:35:49,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2024-10-24 15:35:49,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:49,905 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] [2024-10-24 15:35:49,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:35:49,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:49,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash -861913611, now seen corresponding path program 1 times [2024-10-24 15:35:49,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:49,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276232182] [2024-10-24 15:35:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:49,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:49,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:49,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276232182] [2024-10-24 15:35:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276232182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:49,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:49,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:35:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752996142] [2024-10-24 15:35:49,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:49,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:49,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:49,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:50,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 270 [2024-10-24 15:35:50,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 229 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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) [2024-10-24 15:35:50,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:50,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 270 [2024-10-24 15:35:50,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:50,872 INFO L124 PetriNetUnfolderBase]: 630/4749 cut-off events. [2024-10-24 15:35:50,872 INFO L125 PetriNetUnfolderBase]: For 775/817 co-relation queries the response was YES. [2024-10-24 15:35:50,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6431 conditions, 4749 events. 630/4749 cut-off events. For 775/817 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 39440 event pairs, 228 based on Foata normal form. 42/4288 useless extension candidates. Maximal degree in co-relation 4117. Up to 682 conditions per place. [2024-10-24 15:35:50,923 INFO L140 encePairwiseOnDemand]: 258/270 looper letters, 37 selfloop transitions, 8 changer transitions 0/245 dead transitions. [2024-10-24 15:35:50,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 245 transitions, 670 flow [2024-10-24 15:35:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 724 transitions. [2024-10-24 15:35:50,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8938271604938272 [2024-10-24 15:35:50,926 INFO L175 Difference]: Start difference. First operand has 226 places, 229 transitions, 524 flow. Second operand 3 states and 724 transitions. [2024-10-24 15:35:50,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 245 transitions, 670 flow [2024-10-24 15:35:50,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 245 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:35:50,934 INFO L231 Difference]: Finished difference. Result has 227 places, 233 transitions, 550 flow [2024-10-24 15:35:50,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=227, PETRI_TRANSITIONS=233} [2024-10-24 15:35:50,936 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -30 predicate places. [2024-10-24 15:35:50,936 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 233 transitions, 550 flow [2024-10-24 15:35:50,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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) [2024-10-24 15:35:50,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:50,937 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] [2024-10-24 15:35:50,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:35:50,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:50,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:50,938 INFO L85 PathProgramCache]: Analyzing trace with hash -2085998738, now seen corresponding path program 1 times [2024-10-24 15:35:50,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:50,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781662491] [2024-10-24 15:35:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:50,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:51,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:51,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781662491] [2024-10-24 15:35:51,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781662491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:51,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:51,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:35:51,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13635958] [2024-10-24 15:35:51,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:51,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:35:51,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:51,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:35:51,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:35:51,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 270 [2024-10-24 15:35:51,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 233 transitions, 550 flow. Second operand has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 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) [2024-10-24 15:35:51,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:51,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 270 [2024-10-24 15:35:51,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:52,793 INFO L124 PetriNetUnfolderBase]: 1558/7334 cut-off events. [2024-10-24 15:35:52,794 INFO L125 PetriNetUnfolderBase]: For 740/740 co-relation queries the response was YES. [2024-10-24 15:35:52,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10976 conditions, 7334 events. 1558/7334 cut-off events. For 740/740 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 61182 event pairs, 74 based on Foata normal form. 0/6827 useless extension candidates. Maximal degree in co-relation 4981. Up to 2728 conditions per place. [2024-10-24 15:35:52,849 INFO L140 encePairwiseOnDemand]: 264/270 looper letters, 62 selfloop transitions, 6 changer transitions 0/248 dead transitions. [2024-10-24 15:35:52,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 248 transitions, 716 flow [2024-10-24 15:35:52,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:35:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:35:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1295 transitions. [2024-10-24 15:35:52,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7993827160493827 [2024-10-24 15:35:52,853 INFO L175 Difference]: Start difference. First operand has 227 places, 233 transitions, 550 flow. Second operand 6 states and 1295 transitions. [2024-10-24 15:35:52,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 248 transitions, 716 flow [2024-10-24 15:35:52,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 248 transitions, 708 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:35:52,858 INFO L231 Difference]: Finished difference. Result has 230 places, 232 transitions, 552 flow [2024-10-24 15:35:52,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=230, PETRI_TRANSITIONS=232} [2024-10-24 15:35:52,860 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -27 predicate places. [2024-10-24 15:35:52,860 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 232 transitions, 552 flow [2024-10-24 15:35:52,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 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) [2024-10-24 15:35:52,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:52,861 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] [2024-10-24 15:35:52,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:35:52,861 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:52,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1106464142, now seen corresponding path program 1 times [2024-10-24 15:35:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:52,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050007163] [2024-10-24 15:35:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:52,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:52,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:52,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050007163] [2024-10-24 15:35:52,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050007163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:52,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:52,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:52,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718521443] [2024-10-24 15:35:52,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:52,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:52,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:52,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:52,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2024-10-24 15:35:52,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 232 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-10-24 15:35:52,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:52,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2024-10-24 15:35:52,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:54,044 INFO L124 PetriNetUnfolderBase]: 1177/6824 cut-off events. [2024-10-24 15:35:54,044 INFO L125 PetriNetUnfolderBase]: For 750/750 co-relation queries the response was YES. [2024-10-24 15:35:54,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9631 conditions, 6824 events. 1177/6824 cut-off events. For 750/750 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 58480 event pairs, 990 based on Foata normal form. 0/6258 useless extension candidates. Maximal degree in co-relation 4313. Up to 2049 conditions per place. [2024-10-24 15:35:54,105 INFO L140 encePairwiseOnDemand]: 267/270 looper letters, 43 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2024-10-24 15:35:54,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 235 transitions, 648 flow [2024-10-24 15:35:54,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-10-24 15:35:54,107 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8419753086419753 [2024-10-24 15:35:54,108 INFO L175 Difference]: Start difference. First operand has 230 places, 232 transitions, 552 flow. Second operand 3 states and 682 transitions. [2024-10-24 15:35:54,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 235 transitions, 648 flow [2024-10-24 15:35:54,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 235 transitions, 636 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:35:54,114 INFO L231 Difference]: Finished difference. Result has 226 places, 231 transitions, 542 flow [2024-10-24 15:35:54,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=226, PETRI_TRANSITIONS=231} [2024-10-24 15:35:54,115 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -31 predicate places. [2024-10-24 15:35:54,115 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 231 transitions, 542 flow [2024-10-24 15:35:54,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-10-24 15:35:54,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:54,116 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] [2024-10-24 15:35:54,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:35:54,117 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:54,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:54,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1971927073, now seen corresponding path program 1 times [2024-10-24 15:35:54,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:54,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445691845] [2024-10-24 15:35:54,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:54,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:54,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445691845] [2024-10-24 15:35:54,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445691845] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:35:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78510460] [2024-10-24 15:35:54,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:54,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:35:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:35:54,223 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) [2024-10-24 15:35:54,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 15:35:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:54,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 15:35:54,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:35:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 15:35:54,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:35:54,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78510460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:54,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:35:54,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-24 15:35:54,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886412100] [2024-10-24 15:35:54,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:54,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:54,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:35:54,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2024-10-24 15:35:54,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 231 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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) [2024-10-24 15:35:54,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:54,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2024-10-24 15:35:54,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:55,346 INFO L124 PetriNetUnfolderBase]: 1177/6779 cut-off events. [2024-10-24 15:35:55,347 INFO L125 PetriNetUnfolderBase]: For 752/752 co-relation queries the response was YES. [2024-10-24 15:35:55,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9548 conditions, 6779 events. 1177/6779 cut-off events. For 752/752 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 58138 event pairs, 990 based on Foata normal form. 0/6210 useless extension candidates. Maximal degree in co-relation 4812. Up to 2049 conditions per place. [2024-10-24 15:35:55,422 INFO L140 encePairwiseOnDemand]: 267/270 looper letters, 43 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-10-24 15:35:55,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 234 transitions, 638 flow [2024-10-24 15:35:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:35:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:35:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-10-24 15:35:55,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8419753086419753 [2024-10-24 15:35:55,425 INFO L175 Difference]: Start difference. First operand has 226 places, 231 transitions, 542 flow. Second operand 3 states and 682 transitions. [2024-10-24 15:35:55,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 234 transitions, 638 flow [2024-10-24 15:35:55,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 234 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:35:55,431 INFO L231 Difference]: Finished difference. Result has 225 places, 230 transitions, 540 flow [2024-10-24 15:35:55,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=225, PETRI_TRANSITIONS=230} [2024-10-24 15:35:55,432 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -32 predicate places. [2024-10-24 15:35:55,432 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 230 transitions, 540 flow [2024-10-24 15:35:55,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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) [2024-10-24 15:35:55,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:55,433 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] [2024-10-24 15:35:55,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 15:35:55,637 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,SelfDestructingSolverStorable12 [2024-10-24 15:35:55,638 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:55,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:55,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1588522226, now seen corresponding path program 1 times [2024-10-24 15:35:55,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:55,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040005175] [2024-10-24 15:35:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:55,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:55,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040005175] [2024-10-24 15:35:55,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040005175] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:35:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452199052] [2024-10-24 15:35:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:35:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:35:55,760 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) [2024-10-24 15:35:55,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 15:35:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:55,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:35:55,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:35:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:55,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:35:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:56,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452199052] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:35:56,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:35:56,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 15:35:56,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824991324] [2024-10-24 15:35:56,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:35:56,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:35:56,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:35:56,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 15:35:56,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 270 [2024-10-24 15:35:56,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 230 transitions, 540 flow. Second operand has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2024-10-24 15:35:56,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:56,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 270 [2024-10-24 15:35:56,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:35:56,520 INFO L124 PetriNetUnfolderBase]: 62/390 cut-off events. [2024-10-24 15:35:56,521 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-24 15:35:56,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 390 events. 62/390 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1452 event pairs, 0 based on Foata normal form. 12/402 useless extension candidates. Maximal degree in co-relation 540. Up to 42 conditions per place. [2024-10-24 15:35:56,523 INFO L140 encePairwiseOnDemand]: 265/270 looper letters, 29 selfloop transitions, 7 changer transitions 0/80 dead transitions. [2024-10-24 15:35:56,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 248 flow [2024-10-24 15:35:56,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 15:35:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 15:35:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1991 transitions. [2024-10-24 15:35:56,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8193415637860082 [2024-10-24 15:35:56,530 INFO L175 Difference]: Start difference. First operand has 225 places, 230 transitions, 540 flow. Second operand 9 states and 1991 transitions. [2024-10-24 15:35:56,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 248 flow [2024-10-24 15:35:56,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 80 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:35:56,532 INFO L231 Difference]: Finished difference. Result has 75 places, 60 transitions, 150 flow [2024-10-24 15:35:56,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=150, PETRI_PLACES=75, PETRI_TRANSITIONS=60} [2024-10-24 15:35:56,534 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -182 predicate places. [2024-10-24 15:35:56,534 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 60 transitions, 150 flow [2024-10-24 15:35:56,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2024-10-24 15:35:56,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:56,536 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 15:35:56,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 15:35:56,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:35:56,741 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-24 15:35:56,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:56,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2076479318, now seen corresponding path program 1 times [2024-10-24 15:35:56,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:56,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880833604] [2024-10-24 15:35:56,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:56,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:35:56,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 15:35:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:35:56,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 15:35:56,812 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 15:35:56,812 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining) [2024-10-24 15:35:56,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-10-24 15:35:56,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-10-24 15:35:56,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-10-24 15:35:56,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-10-24 15:35:56,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-10-24 15:35:56,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-10-24 15:35:56,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-10-24 15:35:56,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-10-24 15:35:56,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-10-24 15:35:56,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-10-24 15:35:56,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-10-24 15:35:56,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-10-24 15:35:56,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-10-24 15:35:56,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-10-24 15:35:56,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-10-24 15:35:56,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-10-24 15:35:56,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2024-10-24 15:35:56,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2024-10-24 15:35:56,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-10-24 15:35:56,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2024-10-24 15:35:56,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2024-10-24 15:35:56,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-10-24 15:35:56,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-10-24 15:35:56,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-10-24 15:35:56,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 44 remaining) [2024-10-24 15:35:56,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-10-24 15:35:56,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-10-24 15:35:56,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-10-24 15:35:56,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-10-24 15:35:56,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-10-24 15:35:56,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-10-24 15:35:56,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-10-24 15:35:56,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-10-24 15:35:56,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-10-24 15:35:56,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-10-24 15:35:56,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-10-24 15:35:56,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-10-24 15:35:56,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:35:56,821 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:35:56,823 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 15:35:56,823 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-24 15:35:56,870 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-10-24 15:35:56,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 323 transitions, 718 flow [2024-10-24 15:35:57,771 INFO L124 PetriNetUnfolderBase]: 544/5922 cut-off events. [2024-10-24 15:35:57,772 INFO L125 PetriNetUnfolderBase]: For 419/419 co-relation queries the response was YES. [2024-10-24 15:35:57,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6358 conditions, 5922 events. 544/5922 cut-off events. For 419/419 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 46424 event pairs, 64 based on Foata normal form. 0/4701 useless extension candidates. Maximal degree in co-relation 3404. Up to 192 conditions per place. [2024-10-24 15:35:57,857 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 323 transitions, 718 flow [2024-10-24 15:35:57,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 323 transitions, 718 flow [2024-10-24 15:35:57,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:35:57,918 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;@68d5f122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:35:57,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-10-24 15:35:57,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:35:57,921 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-24 15:35:57,921 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:35:57,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:35:57,921 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] [2024-10-24 15:35:57,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-24 15:35:57,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:35:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1184181706, now seen corresponding path program 1 times [2024-10-24 15:35:57,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:35:57,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19349277] [2024-10-24 15:35:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:35:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:35:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:35:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:35:57,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:35:57,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19349277] [2024-10-24 15:35:57,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19349277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:35:57,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:35:57,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:35:57,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995883988] [2024-10-24 15:35:57,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:35:57,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:35:57,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:35:57,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:35:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:35:58,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 323 [2024-10-24 15:35:58,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 323 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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) [2024-10-24 15:35:58,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:35:58,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 323 [2024-10-24 15:35:58,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:36:07,319 INFO L124 PetriNetUnfolderBase]: 12815/48824 cut-off events. [2024-10-24 15:36:07,320 INFO L125 PetriNetUnfolderBase]: For 7722/8268 co-relation queries the response was YES. [2024-10-24 15:36:07,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70847 conditions, 48824 events. 12815/48824 cut-off events. For 7722/8268 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 564563 event pairs, 10886 based on Foata normal form. 9883/50645 useless extension candidates. Maximal degree in co-relation 36613. Up to 19303 conditions per place. [2024-10-24 15:36:08,423 INFO L140 encePairwiseOnDemand]: 307/323 looper letters, 47 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-10-24 15:36:08,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 282 transitions, 734 flow [2024-10-24 15:36:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:36:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:36:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2024-10-24 15:36:08,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2024-10-24 15:36:08,425 INFO L175 Difference]: Start difference. First operand has 305 places, 323 transitions, 718 flow. Second operand 3 states and 816 transitions. [2024-10-24 15:36:08,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 282 transitions, 734 flow [2024-10-24 15:36:08,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 282 transitions, 734 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:36:08,440 INFO L231 Difference]: Finished difference. Result has 276 places, 282 transitions, 640 flow [2024-10-24 15:36:08,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=276, PETRI_TRANSITIONS=282} [2024-10-24 15:36:08,441 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -29 predicate places. [2024-10-24 15:36:08,442 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 282 transitions, 640 flow [2024-10-24 15:36:08,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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) [2024-10-24 15:36:08,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:36:08,442 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] [2024-10-24 15:36:08,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:36:08,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-24 15:36:08,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:36:08,443 INFO L85 PathProgramCache]: Analyzing trace with hash -903147977, now seen corresponding path program 1 times [2024-10-24 15:36:08,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:36:08,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843790189] [2024-10-24 15:36:08,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:36:08,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:36:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:36:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:36:08,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:36:08,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843790189] [2024-10-24 15:36:08,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843790189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:36:08,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:36:08,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:36:08,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760623578] [2024-10-24 15:36:08,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:36:08,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:36:08,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:36:08,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:36:08,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:36:08,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2024-10-24 15:36:08,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 282 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2024-10-24 15:36:08,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:36:08,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2024-10-24 15:36:08,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:36:18,136 INFO L124 PetriNetUnfolderBase]: 17515/54357 cut-off events. [2024-10-24 15:36:18,136 INFO L125 PetriNetUnfolderBase]: For 7723/8171 co-relation queries the response was YES. [2024-10-24 15:36:18,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83924 conditions, 54357 events. 17515/54357 cut-off events. For 7723/8171 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 587755 event pairs, 12762 based on Foata normal form. 0/49200 useless extension candidates. Maximal degree in co-relation 83891. Up to 22195 conditions per place. [2024-10-24 15:36:19,053 INFO L140 encePairwiseOnDemand]: 300/323 looper letters, 51 selfloop transitions, 11 changer transitions 0/276 dead transitions. [2024-10-24 15:36:19,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 276 transitions, 752 flow [2024-10-24 15:36:19,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:36:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:36:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 773 transitions. [2024-10-24 15:36:19,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7977296181630547 [2024-10-24 15:36:19,056 INFO L175 Difference]: Start difference. First operand has 276 places, 282 transitions, 640 flow. Second operand 3 states and 773 transitions. [2024-10-24 15:36:19,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 276 transitions, 752 flow [2024-10-24 15:36:19,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 276 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:36:19,071 INFO L231 Difference]: Finished difference. Result has 264 places, 270 transitions, 634 flow [2024-10-24 15:36:19,072 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=264, PETRI_TRANSITIONS=270} [2024-10-24 15:36:19,072 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -41 predicate places. [2024-10-24 15:36:19,072 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 270 transitions, 634 flow [2024-10-24 15:36:19,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2024-10-24 15:36:19,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:36:19,073 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] [2024-10-24 15:36:19,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:36:19,073 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-24 15:36:19,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:36:19,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1400313781, now seen corresponding path program 1 times [2024-10-24 15:36:19,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:36:19,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665760789] [2024-10-24 15:36:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:36:19,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:36:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:36:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:36:19,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:36:19,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665760789] [2024-10-24 15:36:19,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665760789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:36:19,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:36:19,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:36:19,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070108550] [2024-10-24 15:36:19,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:36:19,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:36:19,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:36:19,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:36:19,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:36:19,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 323 [2024-10-24 15:36:19,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 270 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:36:19,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:36:19,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 323 [2024-10-24 15:36:19,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:36:25,071 INFO L124 PetriNetUnfolderBase]: 8365/37548 cut-off events. [2024-10-24 15:36:25,072 INFO L125 PetriNetUnfolderBase]: For 10106/10660 co-relation queries the response was YES. [2024-10-24 15:36:25,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55379 conditions, 37548 events. 8365/37548 cut-off events. For 10106/10660 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 454844 event pairs, 3344 based on Foata normal form. 300/33580 useless extension candidates. Maximal degree in co-relation 37016. Up to 8245 conditions per place. [2024-10-24 15:36:25,534 INFO L140 encePairwiseOnDemand]: 311/323 looper letters, 51 selfloop transitions, 8 changer transitions 0/292 dead transitions. [2024-10-24 15:36:25,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 292 transitions, 832 flow [2024-10-24 15:36:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:36:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:36:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-10-24 15:36:25,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8823529411764706 [2024-10-24 15:36:25,537 INFO L175 Difference]: Start difference. First operand has 264 places, 270 transitions, 634 flow. Second operand 3 states and 855 transitions. [2024-10-24 15:36:25,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 292 transitions, 832 flow [2024-10-24 15:36:25,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 292 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:36:25,557 INFO L231 Difference]: Finished difference. Result has 265 places, 274 transitions, 660 flow [2024-10-24 15:36:25,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=265, PETRI_TRANSITIONS=274} [2024-10-24 15:36:25,558 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -40 predicate places. [2024-10-24 15:36:25,558 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 274 transitions, 660 flow [2024-10-24 15:36:25,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:36:25,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:36:25,559 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] [2024-10-24 15:36:25,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:36:25,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-24 15:36:25,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:36:25,560 INFO L85 PathProgramCache]: Analyzing trace with hash 313854607, now seen corresponding path program 1 times [2024-10-24 15:36:25,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:36:25,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174009019] [2024-10-24 15:36:25,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:36:25,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:36:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:36:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:36:25,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:36:25,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174009019] [2024-10-24 15:36:25,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174009019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:36:25,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:36:25,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:36:25,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226561729] [2024-10-24 15:36:25,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:36:25,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:36:25,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:36:25,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:36:25,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:36:26,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 323 [2024-10-24 15:36:26,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 274 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 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) [2024-10-24 15:36:26,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:36:26,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 323 [2024-10-24 15:36:26,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:36:37,187 INFO L124 PetriNetUnfolderBase]: 19159/63586 cut-off events. [2024-10-24 15:36:37,187 INFO L125 PetriNetUnfolderBase]: For 9276/9276 co-relation queries the response was YES. [2024-10-24 15:36:37,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100914 conditions, 63586 events. 19159/63586 cut-off events. For 9276/9276 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 733863 event pairs, 801 based on Foata normal form. 0/60077 useless extension candidates. Maximal degree in co-relation 49119. Up to 29355 conditions per place. [2024-10-24 15:36:38,797 INFO L140 encePairwiseOnDemand]: 317/323 looper letters, 78 selfloop transitions, 6 changer transitions 0/297 dead transitions. [2024-10-24 15:36:38,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 297 transitions, 874 flow [2024-10-24 15:36:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:36:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:36:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1545 transitions. [2024-10-24 15:36:38,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7972136222910217 [2024-10-24 15:36:38,802 INFO L175 Difference]: Start difference. First operand has 265 places, 274 transitions, 660 flow. Second operand 6 states and 1545 transitions. [2024-10-24 15:36:38,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 297 transitions, 874 flow [2024-10-24 15:36:38,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 297 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:36:38,821 INFO L231 Difference]: Finished difference. Result has 268 places, 273 transitions, 662 flow [2024-10-24 15:36:38,822 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=662, PETRI_PLACES=268, PETRI_TRANSITIONS=273} [2024-10-24 15:36:38,822 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -37 predicate places. [2024-10-24 15:36:38,822 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 273 transitions, 662 flow [2024-10-24 15:36:38,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 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) [2024-10-24 15:36:38,823 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:36:38,823 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] [2024-10-24 15:36:38,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:36:38,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-24 15:36:38,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:36:38,824 INFO L85 PathProgramCache]: Analyzing trace with hash 353194495, now seen corresponding path program 1 times [2024-10-24 15:36:38,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:36:38,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706297075] [2024-10-24 15:36:38,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:36:38,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:36:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:36:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:36:38,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:36:38,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706297075] [2024-10-24 15:36:38,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706297075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:36:38,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:36:38,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:36:38,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763026835] [2024-10-24 15:36:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:36:38,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:36:38,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:36:38,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:36:38,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:36:38,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 323 [2024-10-24 15:36:38,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 273 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 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) [2024-10-24 15:36:38,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:36:38,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 323 [2024-10-24 15:36:38,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand