./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:39:08,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:39:08,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:39:08,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:39:08,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:39:08,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:39:08,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:39:08,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:39:08,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:39:08,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:39:08,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:39:08,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:39:08,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:39:08,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:39:08,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:39:08,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:39:08,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:39:08,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:39:08,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:39:08,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:39:08,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:39:08,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:39:08,231 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:39:08,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:39:08,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:39:08,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:39:08,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:39:08,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:39:08,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:39:08,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:39:08,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:39:08,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:08,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:39:08,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:39:08,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:39:08,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:39:08,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:39:08,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:39:08,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:39:08,234 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:39:08,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:39:08,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 [2024-11-12 12:39:08,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:39:08,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:39:08,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:39:08,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:39:08,535 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:39:08,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-12 12:39:09,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:39:10,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:39:10,143 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-12 12:39:10,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de109b3b/b7b5acb65cbf48a299d757431a13a8f1/FLAG631a4014a [2024-11-12 12:39:10,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de109b3b/b7b5acb65cbf48a299d757431a13a8f1 [2024-11-12 12:39:10,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:39:10,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:39:10,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:10,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:39:10,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:39:10,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d18fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10, skipping insertion in model container [2024-11-12 12:39:10,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:39:10,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:10,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:39:10,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:10,496 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:39:10,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10 WrapperNode [2024-11-12 12:39:10,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:10,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:10,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:39:10,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:39:10,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,540 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 207 [2024-11-12 12:39:10,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:10,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:39:10,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:39:10,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:39:10,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:39:10,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:39:10,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:39:10,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:39:10,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (1/1) ... [2024-11-12 12:39:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:10,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:39:10,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:39:10,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:39:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:39:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:39:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:39:10,672 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:39:10,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:39:10,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:39:11,202 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:39:11,202 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:39:11,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:39:11,238 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 12:39:11,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:11 BoogieIcfgContainer [2024-11-12 12:39:11,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:39:11,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:39:11,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:39:11,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:39:11,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:39:10" (1/3) ... [2024-11-12 12:39:11,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2146b563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:11, skipping insertion in model container [2024-11-12 12:39:11,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:10" (2/3) ... [2024-11-12 12:39:11,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2146b563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:11, skipping insertion in model container [2024-11-12 12:39:11,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:11" (3/3) ... [2024-11-12 12:39:11,247 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2024-11-12 12:39:11,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:39:11,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-12 12:39:11,264 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:39:11,366 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:39:11,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 255 transitions, 524 flow [2024-11-12 12:39:11,521 INFO L124 PetriNetUnfolderBase]: 17/253 cut-off events. [2024-11-12 12:39:11,522 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:39:11,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 17/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 527 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 151. Up to 2 conditions per place. [2024-11-12 12:39:11,531 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 255 transitions, 524 flow [2024-11-12 12:39:11,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 225 places, 233 transitions, 478 flow [2024-11-12 12:39:11,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:39:11,555 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;@2fb8d902, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:39:11,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-12 12:39:11,562 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:39:11,562 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-12 12:39:11,563 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:39:11,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:11,564 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:11,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:11,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:11,571 INFO L85 PathProgramCache]: Analyzing trace with hash 993970068, now seen corresponding path program 1 times [2024-11-12 12:39:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:11,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748123810] [2024-11-12 12:39:11,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:11,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:11,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:11,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748123810] [2024-11-12 12:39:11,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748123810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:11,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:11,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:11,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700563590] [2024-11-12 12:39:11,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:11,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:11,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:11,843 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-12 12:39:11,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 233 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:11,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:11,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-12 12:39:11,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:12,038 INFO L124 PetriNetUnfolderBase]: 24/428 cut-off events. [2024-11-12 12:39:12,039 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES. [2024-11-12 12:39:12,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 428 events. 24/428 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1545 event pairs, 11 based on Foata normal form. 26/386 useless extension candidates. Maximal degree in co-relation 358. Up to 40 conditions per place. [2024-11-12 12:39:12,049 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 13 selfloop transitions, 2 changer transitions 2/223 dead transitions. [2024-11-12 12:39:12,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 223 transitions, 488 flow [2024-11-12 12:39:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2024-11-12 12:39:12,070 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9228758169934641 [2024-11-12 12:39:12,075 INFO L175 Difference]: Start difference. First operand has 225 places, 233 transitions, 478 flow. Second operand 3 states and 706 transitions. [2024-11-12 12:39:12,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 223 transitions, 488 flow [2024-11-12 12:39:12,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 223 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:39:12,088 INFO L231 Difference]: Finished difference. Result has 222 places, 221 transitions, 450 flow [2024-11-12 12:39:12,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=222, PETRI_TRANSITIONS=221} [2024-11-12 12:39:12,096 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -3 predicate places. [2024-11-12 12:39:12,097 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 221 transitions, 450 flow [2024-11-12 12:39:12,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:12,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:12,098 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:12,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:39:12,098 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:12,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1773288271, now seen corresponding path program 1 times [2024-11-12 12:39:12,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508228558] [2024-11-12 12:39:12,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:12,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:12,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508228558] [2024-11-12 12:39:12,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508228558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:12,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:12,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:12,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392970182] [2024-11-12 12:39:12,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:12,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:12,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:12,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:12,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:12,217 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-12 12:39:12,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:12,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:12,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-12 12:39:12,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:12,327 INFO L124 PetriNetUnfolderBase]: 39/577 cut-off events. [2024-11-12 12:39:12,328 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2024-11-12 12:39:12,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 577 events. 39/577 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2818 event pairs, 19 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 615. Up to 62 conditions per place. [2024-11-12 12:39:12,336 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 13 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-11-12 12:39:12,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 218 transitions, 472 flow [2024-11-12 12:39:12,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:12,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2024-11-12 12:39:12,341 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9124183006535947 [2024-11-12 12:39:12,341 INFO L175 Difference]: Start difference. First operand has 222 places, 221 transitions, 450 flow. Second operand 3 states and 698 transitions. [2024-11-12 12:39:12,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 218 transitions, 472 flow [2024-11-12 12:39:12,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 218 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:12,352 INFO L231 Difference]: Finished difference. Result has 217 places, 218 transitions, 442 flow [2024-11-12 12:39:12,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=217, PETRI_TRANSITIONS=218} [2024-11-12 12:39:12,354 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -8 predicate places. [2024-11-12 12:39:12,354 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 218 transitions, 442 flow [2024-11-12 12:39:12,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:12,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:12,355 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:12,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:39:12,356 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:12,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:12,357 INFO L85 PathProgramCache]: Analyzing trace with hash -670060674, now seen corresponding path program 1 times [2024-11-12 12:39:12,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:12,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399612473] [2024-11-12 12:39:12,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:13,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399612473] [2024-11-12 12:39:13,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399612473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:13,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:13,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:13,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321379320] [2024-11-12 12:39:13,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:13,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:13,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:13,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:13,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:13,367 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 255 [2024-11-12 12:39:13,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 218 transitions, 442 flow. Second operand has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:13,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:13,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 255 [2024-11-12 12:39:13,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:13,526 INFO L124 PetriNetUnfolderBase]: 120/846 cut-off events. [2024-11-12 12:39:13,527 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-11-12 12:39:13,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 846 events. 120/846 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4418 event pairs, 65 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1018. Up to 191 conditions per place. [2024-11-12 12:39:13,533 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 27 selfloop transitions, 5 changer transitions 0/217 dead transitions. [2024-11-12 12:39:13,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 217 transitions, 504 flow [2024-11-12 12:39:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1299 transitions. [2024-11-12 12:39:13,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8490196078431372 [2024-11-12 12:39:13,537 INFO L175 Difference]: Start difference. First operand has 217 places, 218 transitions, 442 flow. Second operand 6 states and 1299 transitions. [2024-11-12 12:39:13,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 217 transitions, 504 flow [2024-11-12 12:39:13,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:13,543 INFO L231 Difference]: Finished difference. Result has 220 places, 217 transitions, 449 flow [2024-11-12 12:39:13,544 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=449, PETRI_PLACES=220, PETRI_TRANSITIONS=217} [2024-11-12 12:39:13,544 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -5 predicate places. [2024-11-12 12:39:13,545 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 217 transitions, 449 flow [2024-11-12 12:39:13,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:13,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:13,546 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:13,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:39:13,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:13,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:13,548 INFO L85 PathProgramCache]: Analyzing trace with hash -257925273, now seen corresponding path program 1 times [2024-11-12 12:39:13,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:13,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466734035] [2024-11-12 12:39:13,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:13,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:13,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:13,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466734035] [2024-11-12 12:39:13,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466734035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:13,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:13,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015990828] [2024-11-12 12:39:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:13,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:13,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:13,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:13,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:13,613 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-12 12:39:13,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 217 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:13,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:13,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-12 12:39:13,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:13,669 INFO L124 PetriNetUnfolderBase]: 26/374 cut-off events. [2024-11-12 12:39:13,670 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-12 12:39:13,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 374 events. 26/374 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1334 event pairs, 14 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 412. Up to 42 conditions per place. [2024-11-12 12:39:13,673 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-11-12 12:39:13,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 477 flow [2024-11-12 12:39:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2024-11-12 12:39:13,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2024-11-12 12:39:13,676 INFO L175 Difference]: Start difference. First operand has 220 places, 217 transitions, 449 flow. Second operand 3 states and 697 transitions. [2024-11-12 12:39:13,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 477 flow [2024-11-12 12:39:13,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 216 transitions, 467 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:13,680 INFO L231 Difference]: Finished difference. Result has 216 places, 216 transitions, 441 flow [2024-11-12 12:39:13,680 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=441, PETRI_PLACES=216, PETRI_TRANSITIONS=216} [2024-11-12 12:39:13,681 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -9 predicate places. [2024-11-12 12:39:13,681 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 216 transitions, 441 flow [2024-11-12 12:39:13,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:13,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:13,682 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:13,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:39:13,682 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:13,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:13,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2022366058, now seen corresponding path program 1 times [2024-11-12 12:39:13,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:13,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106985579] [2024-11-12 12:39:13,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:13,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:13,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106985579] [2024-11-12 12:39:13,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106985579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:13,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:13,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:39:13,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105855648] [2024-11-12 12:39:13,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:13,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:13,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:13,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:13,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:13,825 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 255 [2024-11-12 12:39:13,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 216 transitions, 441 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:13,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:13,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 255 [2024-11-12 12:39:13,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:13,910 INFO L124 PetriNetUnfolderBase]: 32/493 cut-off events. [2024-11-12 12:39:13,911 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES. [2024-11-12 12:39:13,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 493 events. 32/493 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1744 event pairs, 1 based on Foata normal form. 1/420 useless extension candidates. Maximal degree in co-relation 511. Up to 33 conditions per place. [2024-11-12 12:39:13,916 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 14 selfloop transitions, 4 changer transitions 0/221 dead transitions. [2024-11-12 12:39:13,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 221 transitions, 489 flow [2024-11-12 12:39:13,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-11-12 12:39:13,919 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.930718954248366 [2024-11-12 12:39:13,919 INFO L175 Difference]: Start difference. First operand has 216 places, 216 transitions, 441 flow. Second operand 3 states and 712 transitions. [2024-11-12 12:39:13,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 221 transitions, 489 flow [2024-11-12 12:39:13,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 221 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:13,924 INFO L231 Difference]: Finished difference. Result has 218 places, 219 transitions, 467 flow [2024-11-12 12:39:13,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=218, PETRI_TRANSITIONS=219} [2024-11-12 12:39:13,925 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -7 predicate places. [2024-11-12 12:39:13,926 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 219 transitions, 467 flow [2024-11-12 12:39:13,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:13,926 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:13,927 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:13,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:39:13,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:13,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:13,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2036390758, now seen corresponding path program 1 times [2024-11-12 12:39:13,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:13,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193214501] [2024-11-12 12:39:13,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:13,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:13,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193214501] [2024-11-12 12:39:13,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193214501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:13,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:13,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:13,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599426334] [2024-11-12 12:39:13,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:13,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:13,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:13,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:13,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:14,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-12 12:39:14,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 219 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:14,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:14,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-12 12:39:14,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:14,074 INFO L124 PetriNetUnfolderBase]: 35/426 cut-off events. [2024-11-12 12:39:14,075 INFO L125 PetriNetUnfolderBase]: For 57/78 co-relation queries the response was YES. [2024-11-12 12:39:14,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 426 events. 35/426 cut-off events. For 57/78 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1276 event pairs, 2 based on Foata normal form. 4/371 useless extension candidates. Maximal degree in co-relation 497. Up to 37 conditions per place. [2024-11-12 12:39:14,079 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 11 selfloop transitions, 2 changer transitions 6/218 dead transitions. [2024-11-12 12:39:14,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 503 flow [2024-11-12 12:39:14,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2024-11-12 12:39:14,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9137254901960784 [2024-11-12 12:39:14,082 INFO L175 Difference]: Start difference. First operand has 218 places, 219 transitions, 467 flow. Second operand 3 states and 699 transitions. [2024-11-12 12:39:14,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 503 flow [2024-11-12 12:39:14,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 495 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:14,087 INFO L231 Difference]: Finished difference. Result has 215 places, 210 transitions, 444 flow [2024-11-12 12:39:14,087 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=215, PETRI_TRANSITIONS=210} [2024-11-12 12:39:14,089 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -10 predicate places. [2024-11-12 12:39:14,090 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 210 transitions, 444 flow [2024-11-12 12:39:14,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:14,091 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:14,091 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:14,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:39:14,091 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:14,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1001494722, now seen corresponding path program 1 times [2024-11-12 12:39:14,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133689218] [2024-11-12 12:39:14,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:14,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:14,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133689218] [2024-11-12 12:39:14,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133689218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:14,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:14,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:14,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943474973] [2024-11-12 12:39:14,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:14,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:14,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:14,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:14,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:14,161 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 255 [2024-11-12 12:39:14,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 210 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:14,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:14,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 255 [2024-11-12 12:39:14,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:14,259 INFO L124 PetriNetUnfolderBase]: 74/722 cut-off events. [2024-11-12 12:39:14,259 INFO L125 PetriNetUnfolderBase]: For 47/55 co-relation queries the response was YES. [2024-11-12 12:39:14,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 722 events. 74/722 cut-off events. For 47/55 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3036 event pairs, 12 based on Foata normal form. 0/625 useless extension candidates. Maximal degree in co-relation 855. Up to 102 conditions per place. [2024-11-12 12:39:14,264 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 16 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-12 12:39:14,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 210 transitions, 481 flow [2024-11-12 12:39:14,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2024-11-12 12:39:14,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9150326797385621 [2024-11-12 12:39:14,266 INFO L175 Difference]: Start difference. First operand has 215 places, 210 transitions, 444 flow. Second operand 3 states and 700 transitions. [2024-11-12 12:39:14,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 210 transitions, 481 flow [2024-11-12 12:39:14,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:14,271 INFO L231 Difference]: Finished difference. Result has 207 places, 209 transitions, 448 flow [2024-11-12 12:39:14,271 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=207, PETRI_TRANSITIONS=209} [2024-11-12 12:39:14,274 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -18 predicate places. [2024-11-12 12:39:14,274 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 209 transitions, 448 flow [2024-11-12 12:39:14,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:14,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:14,275 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:14,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:39:14,275 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:14,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:14,276 INFO L85 PathProgramCache]: Analyzing trace with hash 514328869, now seen corresponding path program 1 times [2024-11-12 12:39:14,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:14,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78138213] [2024-11-12 12:39:14,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:14,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:14,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:14,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78138213] [2024-11-12 12:39:14,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78138213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:14,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:14,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:14,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625614487] [2024-11-12 12:39:14,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:14,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:14,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:14,854 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 255 [2024-11-12 12:39:14,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 209 transitions, 448 flow. Second operand has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:14,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:14,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 255 [2024-11-12 12:39:14,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:14,965 INFO L124 PetriNetUnfolderBase]: 96/719 cut-off events. [2024-11-12 12:39:14,966 INFO L125 PetriNetUnfolderBase]: For 68/80 co-relation queries the response was YES. [2024-11-12 12:39:14,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 719 events. 96/719 cut-off events. For 68/80 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2814 event pairs, 2 based on Foata normal form. 8/638 useless extension candidates. Maximal degree in co-relation 896. Up to 48 conditions per place. [2024-11-12 12:39:14,971 INFO L140 encePairwiseOnDemand]: 243/255 looper letters, 18 selfloop transitions, 12 changer transitions 4/215 dead transitions. [2024-11-12 12:39:14,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 215 transitions, 532 flow [2024-11-12 12:39:14,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1336 transitions. [2024-11-12 12:39:14,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.873202614379085 [2024-11-12 12:39:14,974 INFO L175 Difference]: Start difference. First operand has 207 places, 209 transitions, 448 flow. Second operand 6 states and 1336 transitions. [2024-11-12 12:39:14,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 215 transitions, 532 flow [2024-11-12 12:39:14,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 215 transitions, 532 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:39:14,978 INFO L231 Difference]: Finished difference. Result has 210 places, 207 transitions, 468 flow [2024-11-12 12:39:14,978 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=210, PETRI_TRANSITIONS=207} [2024-11-12 12:39:14,979 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -15 predicate places. [2024-11-12 12:39:14,980 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 207 transitions, 468 flow [2024-11-12 12:39:14,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:14,981 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:14,982 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:14,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:39:14,982 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:14,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:14,986 INFO L85 PathProgramCache]: Analyzing trace with hash 325244081, now seen corresponding path program 1 times [2024-11-12 12:39:14,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:14,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313719896] [2024-11-12 12:39:14,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:14,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:15,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:15,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313719896] [2024-11-12 12:39:15,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313719896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:15,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:15,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872406672] [2024-11-12 12:39:15,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:15,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:15,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:15,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:15,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:15,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 255 [2024-11-12 12:39:15,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 207 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:15,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:15,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 255 [2024-11-12 12:39:15,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:15,801 INFO L124 PetriNetUnfolderBase]: 38/401 cut-off events. [2024-11-12 12:39:15,802 INFO L125 PetriNetUnfolderBase]: For 95/125 co-relation queries the response was YES. [2024-11-12 12:39:15,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 401 events. 38/401 cut-off events. For 95/125 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1094 event pairs, 2 based on Foata normal form. 8/362 useless extension candidates. Maximal degree in co-relation 528. Up to 38 conditions per place. [2024-11-12 12:39:15,804 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 24 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2024-11-12 12:39:15,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 214 transitions, 572 flow [2024-11-12 12:39:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2024-11-12 12:39:15,808 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928104575163399 [2024-11-12 12:39:15,808 INFO L175 Difference]: Start difference. First operand has 210 places, 207 transitions, 468 flow. Second operand 6 states and 1366 transitions. [2024-11-12 12:39:15,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 214 transitions, 572 flow [2024-11-12 12:39:15,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 214 transitions, 532 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:15,812 INFO L231 Difference]: Finished difference. Result has 209 places, 206 transitions, 452 flow [2024-11-12 12:39:15,813 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=452, PETRI_PLACES=209, PETRI_TRANSITIONS=206} [2024-11-12 12:39:15,813 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -16 predicate places. [2024-11-12 12:39:15,814 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 206 transitions, 452 flow [2024-11-12 12:39:15,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:15,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:15,815 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:15,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:39:15,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:15,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:15,816 INFO L85 PathProgramCache]: Analyzing trace with hash 769757454, now seen corresponding path program 1 times [2024-11-12 12:39:15,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:15,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598613984] [2024-11-12 12:39:15,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:15,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:15,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598613984] [2024-11-12 12:39:15,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598613984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:15,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:15,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685118853] [2024-11-12 12:39:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:15,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:15,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:15,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:15,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:15,878 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 255 [2024-11-12 12:39:15,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 206 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:15,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:15,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 255 [2024-11-12 12:39:15,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:15,929 INFO L124 PetriNetUnfolderBase]: 38/399 cut-off events. [2024-11-12 12:39:15,929 INFO L125 PetriNetUnfolderBase]: For 35/65 co-relation queries the response was YES. [2024-11-12 12:39:15,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 399 events. 38/399 cut-off events. For 35/65 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1078 event pairs, 2 based on Foata normal form. 2/350 useless extension candidates. Maximal degree in co-relation 477. Up to 42 conditions per place. [2024-11-12 12:39:15,932 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2024-11-12 12:39:15,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 207 transitions, 488 flow [2024-11-12 12:39:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-12 12:39:15,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9241830065359478 [2024-11-12 12:39:15,934 INFO L175 Difference]: Start difference. First operand has 209 places, 206 transitions, 452 flow. Second operand 3 states and 707 transitions. [2024-11-12 12:39:15,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 207 transitions, 488 flow [2024-11-12 12:39:15,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 207 transitions, 478 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:15,938 INFO L231 Difference]: Finished difference. Result has 205 places, 205 transitions, 444 flow [2024-11-12 12:39:15,938 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2024-11-12 12:39:15,939 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -20 predicate places. [2024-11-12 12:39:15,939 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 444 flow [2024-11-12 12:39:15,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:15,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:15,940 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:15,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:39:15,940 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:15,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:15,941 INFO L85 PathProgramCache]: Analyzing trace with hash -627350028, now seen corresponding path program 1 times [2024-11-12 12:39:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727788531] [2024-11-12 12:39:15,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:15,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:15,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727788531] [2024-11-12 12:39:15,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727788531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:15,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:15,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:15,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647234675] [2024-11-12 12:39:15,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:15,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:15,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:15,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:15,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:15,996 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-12 12:39:15,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 205 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:15,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:15,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-12 12:39:15,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:16,059 INFO L124 PetriNetUnfolderBase]: 46/579 cut-off events. [2024-11-12 12:39:16,060 INFO L125 PetriNetUnfolderBase]: For 49/71 co-relation queries the response was YES. [2024-11-12 12:39:16,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 579 events. 46/579 cut-off events. For 49/71 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1633 event pairs, 4 based on Foata normal form. 2/520 useless extension candidates. Maximal degree in co-relation 671. Up to 41 conditions per place. [2024-11-12 12:39:16,063 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 13 selfloop transitions, 2 changer transitions 2/210 dead transitions. [2024-11-12 12:39:16,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 210 transitions, 499 flow [2024-11-12 12:39:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-12 12:39:16,066 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9320261437908497 [2024-11-12 12:39:16,066 INFO L175 Difference]: Start difference. First operand has 205 places, 205 transitions, 444 flow. Second operand 3 states and 713 transitions. [2024-11-12 12:39:16,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 210 transitions, 499 flow [2024-11-12 12:39:16,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 210 transitions, 493 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:16,070 INFO L231 Difference]: Finished difference. Result has 205 places, 205 transitions, 448 flow [2024-11-12 12:39:16,070 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2024-11-12 12:39:16,071 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -20 predicate places. [2024-11-12 12:39:16,071 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 448 flow [2024-11-12 12:39:16,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:16,072 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:16,072 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:16,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:39:16,072 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:39:16,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:16,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1291373065, now seen corresponding path program 1 times [2024-11-12 12:39:16,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:16,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123927203] [2024-11-12 12:39:16,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 12:39:16,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:16,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123927203] [2024-11-12 12:39:16,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123927203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:16,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:16,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565064969] [2024-11-12 12:39:16,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:16,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:16,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:16,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:16,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:16,165 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 255 [2024-11-12 12:39:16,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 205 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:16,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:16,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 255 [2024-11-12 12:39:16,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:16,231 INFO L124 PetriNetUnfolderBase]: 50/581 cut-off events. [2024-11-12 12:39:16,231 INFO L125 PetriNetUnfolderBase]: For 51/65 co-relation queries the response was YES. [2024-11-12 12:39:16,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 581 events. 50/581 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1624 event pairs, 4 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 685. Up to 56 conditions per place. [2024-11-12 12:39:16,235 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 0 selfloop transitions, 0 changer transitions 206/206 dead transitions. [2024-11-12 12:39:16,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 206 transitions, 484 flow [2024-11-12 12:39:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-12 12:39:16,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163398692810457 [2024-11-12 12:39:16,238 INFO L175 Difference]: Start difference. First operand has 205 places, 205 transitions, 448 flow. Second operand 3 states and 701 transitions. [2024-11-12 12:39:16,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 206 transitions, 484 flow [2024-11-12 12:39:16,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 206 transitions, 482 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:16,241 INFO L231 Difference]: Finished difference. Result has 205 places, 0 transitions, 0 flow [2024-11-12 12:39:16,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=205, PETRI_TRANSITIONS=0} [2024-11-12 12:39:16,242 INFO L279 CegarLoopForPetriNet]: 225 programPoint places, -20 predicate places. [2024-11-12 12:39:16,242 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 0 transitions, 0 flow [2024-11-12 12:39:16,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:16,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2024-11-12 12:39:16,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2024-11-12 12:39:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2024-11-12 12:39:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2024-11-12 12:39:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2024-11-12 12:39:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2024-11-12 12:39:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2024-11-12 12:39:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2024-11-12 12:39:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2024-11-12 12:39:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2024-11-12 12:39:16,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:39:16,250 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:16,257 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:39:16,257 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:39:16,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:39:16 BasicIcfg [2024-11-12 12:39:16,263 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:39:16,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:39:16,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:39:16,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:39:16,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:11" (3/4) ... [2024-11-12 12:39:16,266 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:39:16,269 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:39:16,269 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:39:16,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-12 12:39:16,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:39:16,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:39:16,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:39:16,368 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:39:16,368 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:39:16,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:39:16,369 INFO L158 Benchmark]: Toolchain (without parser) took 6195.40ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 118.9MB in the beginning and 182.0MB in the end (delta: -63.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,369 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:39:16,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.44ms. Allocated memory is still 155.2MB. Free memory was 118.2MB in the beginning and 104.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.75ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,373 INFO L158 Benchmark]: Boogie Preprocessor took 34.82ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,373 INFO L158 Benchmark]: RCFGBuilder took 658.77ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 103.3MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,374 INFO L158 Benchmark]: TraceAbstraction took 5022.41ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 103.3MB in the beginning and 187.2MB in the end (delta: -83.9MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,374 INFO L158 Benchmark]: Witness Printer took 104.78ms. Allocated memory is still 270.5MB. Free memory was 187.2MB in the beginning and 182.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:39:16,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.44ms. Allocated memory is still 155.2MB. Free memory was 118.2MB in the beginning and 104.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.75ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.82ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.77ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 103.3MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5022.41ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 103.3MB in the beginning and 187.2MB in the end (delta: -83.9MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 104.78ms. Allocated memory is still 270.5MB. Free memory was 187.2MB in the beginning and 182.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 357 locations, 32 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 540 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 910 IncrementalHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 28 mSDtfsCounter, 910 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=478occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1055 ConstructedInterpolants, 0 QuantifiedInterpolants, 1512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:39:16,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE