./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/lamport.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:29:38,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:29:38,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:29:38,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:29:38,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:29:38,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:29:38,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:29:38,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:29:38,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:29:38,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:29:38,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:29:38,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:29:38,254 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:29:38,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:29:38,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:29:38,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:29:38,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:29:38,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:29:38,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:29:38,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:29:38,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:29:38,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:29:38,260 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:29:38,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:29:38,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:29:38,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:29:38,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:29:38,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:29:38,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:29:38,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:29:38,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:29:38,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:29:38,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:29:38,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:29:38,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:29:38,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:29:38,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:29:38,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:29:38,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:29:38,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:29:38,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:29:38,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c [2024-11-22 17:29:38,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:29:38,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:29:38,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:29:38,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:29:38,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:29:38,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-22 17:29:39,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:29:40,187 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:29:40,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-22 17:29:40,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3169aa797/3902c282b79e448fbea3858200411825/FLAG7e44d69d4 [2024-11-22 17:29:40,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3169aa797/3902c282b79e448fbea3858200411825 [2024-11-22 17:29:40,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:29:40,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:29:40,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:29:40,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:29:40,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:29:40,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51042ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40, skipping insertion in model container [2024-11-22 17:29:40,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:29:40,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:29:40,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:29:40,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:29:40,813 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:29:40,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40 WrapperNode [2024-11-22 17:29:40,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:29:40,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:29:40,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:29:40,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:29:40,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,870 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2024-11-22 17:29:40,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:29:40,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:29:40,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:29:40,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:29:40,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:29:40,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:29:40,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:29:40,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:29:40,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (1/1) ... [2024-11-22 17:29:40,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:29:40,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:29:40,953 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) [2024-11-22 17:29:40,956 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 [2024-11-22 17:29:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-22 17:29:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-22 17:29:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-22 17:29:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-22 17:29:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:29:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:29:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:29:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:29:41,002 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:29:41,115 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:29:41,117 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:29:41,329 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:29:41,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:29:41,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:29:41,345 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-22 17:29:41,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:41 BoogieIcfgContainer [2024-11-22 17:29:41,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:29:41,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:29:41,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:29:41,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:29:41,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:29:40" (1/3) ... [2024-11-22 17:29:41,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6a9d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:29:41, skipping insertion in model container [2024-11-22 17:29:41,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:40" (2/3) ... [2024-11-22 17:29:41,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6a9d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:29:41, skipping insertion in model container [2024-11-22 17:29:41,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:41" (3/3) ... [2024-11-22 17:29:41,356 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-11-22 17:29:41,374 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:29:41,375 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 17:29:41,375 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:29:41,454 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:29:41,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 125 transitions, 264 flow [2024-11-22 17:29:41,556 INFO L124 PetriNetUnfolderBase]: 26/123 cut-off events. [2024-11-22 17:29:41,556 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:29:41,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 26/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 100. Up to 5 conditions per place. [2024-11-22 17:29:41,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 125 transitions, 264 flow [2024-11-22 17:29:41,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 118 transitions, 245 flow [2024-11-22 17:29:41,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:29:41,589 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;@1f5b0687, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:29:41,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-22 17:29:41,597 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:29:41,598 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2024-11-22 17:29:41,598 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:29:41,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:41,599 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:41,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:41,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:41,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1934403133, now seen corresponding path program 1 times [2024-11-22 17:29:41,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:41,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803178513] [2024-11-22 17:29:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:41,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:41,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803178513] [2024-11-22 17:29:41,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803178513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:41,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:41,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:41,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982846974] [2024-11-22 17:29:41,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:41,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 17:29:41,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:41,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 17:29:41,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 17:29:41,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 125 [2024-11-22 17:29:41,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 118 transitions, 245 flow. Second operand has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-22 17:29:41,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:41,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 125 [2024-11-22 17:29:41,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:41,861 INFO L124 PetriNetUnfolderBase]: 12/102 cut-off events. [2024-11-22 17:29:41,861 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-22 17:29:41,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 102 events. 12/102 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 156 event pairs, 0 based on Foata normal form. 23/107 useless extension candidates. Maximal degree in co-relation 85. Up to 4 conditions per place. [2024-11-22 17:29:41,863 INFO L140 encePairwiseOnDemand]: 111/125 looper letters, 3 selfloop transitions, 0 changer transitions 0/102 dead transitions. [2024-11-22 17:29:41,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 219 flow [2024-11-22 17:29:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 17:29:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-22 17:29:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2024-11-22 17:29:41,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.924 [2024-11-22 17:29:41,879 INFO L175 Difference]: Start difference. First operand has 99 places, 118 transitions, 245 flow. Second operand 2 states and 231 transitions. [2024-11-22 17:29:41,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 219 flow [2024-11-22 17:29:41,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 102 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 17:29:41,887 INFO L231 Difference]: Finished difference. Result has 95 places, 102 transitions, 208 flow [2024-11-22 17:29:41,889 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=208, PETRI_PLACES=95, PETRI_TRANSITIONS=102} [2024-11-22 17:29:41,893 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, -4 predicate places. [2024-11-22 17:29:41,893 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 102 transitions, 208 flow [2024-11-22 17:29:41,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-22 17:29:41,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:41,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:41,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:29:41,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:41,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1288292341, now seen corresponding path program 1 times [2024-11-22 17:29:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737436654] [2024-11-22 17:29:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:41,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:41,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737436654] [2024-11-22 17:29:41,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737436654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:41,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:41,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:41,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172439810] [2024-11-22 17:29:41,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:41,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:41,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:41,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:41,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-22 17:29:42,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 102 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-22 17:29:42,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-22 17:29:42,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,078 INFO L124 PetriNetUnfolderBase]: 38/237 cut-off events. [2024-11-22 17:29:42,079 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:29:42,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 237 events. 38/237 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 906 event pairs, 11 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 303. Up to 42 conditions per place. [2024-11-22 17:29:42,081 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 11 selfloop transitions, 5 changer transitions 0/107 dead transitions. [2024-11-22 17:29:42,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 107 transitions, 252 flow [2024-11-22 17:29:42,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-22 17:29:42,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373333333333334 [2024-11-22 17:29:42,085 INFO L175 Difference]: Start difference. First operand has 95 places, 102 transitions, 208 flow. Second operand 3 states and 314 transitions. [2024-11-22 17:29:42,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 107 transitions, 252 flow [2024-11-22 17:29:42,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:29:42,089 INFO L231 Difference]: Finished difference. Result has 99 places, 106 transitions, 246 flow [2024-11-22 17:29:42,089 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=99, PETRI_TRANSITIONS=106} [2024-11-22 17:29:42,090 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 0 predicate places. [2024-11-22 17:29:42,090 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 106 transitions, 246 flow [2024-11-22 17:29:42,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-22 17:29:42,091 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,091 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:42,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:29:42,091 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash 311068313, now seen corresponding path program 1 times [2024-11-22 17:29:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192961975] [2024-11-22 17:29:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192961975] [2024-11-22 17:29:42,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192961975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:42,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134492941] [2024-11-22 17:29:42,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:42,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:42,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-22 17:29:42,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 106 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-22 17:29:42,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-22 17:29:42,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,295 INFO L124 PetriNetUnfolderBase]: 43/305 cut-off events. [2024-11-22 17:29:42,296 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-22 17:29:42,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 305 events. 43/305 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1332 event pairs, 6 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 435. Up to 46 conditions per place. [2024-11-22 17:29:42,299 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 12 selfloop transitions, 6 changer transitions 3/114 dead transitions. [2024-11-22 17:29:42,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 114 transitions, 315 flow [2024-11-22 17:29:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2024-11-22 17:29:42,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.848 [2024-11-22 17:29:42,302 INFO L175 Difference]: Start difference. First operand has 99 places, 106 transitions, 246 flow. Second operand 3 states and 318 transitions. [2024-11-22 17:29:42,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 114 transitions, 315 flow [2024-11-22 17:29:42,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 114 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:42,305 INFO L231 Difference]: Finished difference. Result has 101 places, 109 transitions, 282 flow [2024-11-22 17:29:42,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=101, PETRI_TRANSITIONS=109} [2024-11-22 17:29:42,306 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 2 predicate places. [2024-11-22 17:29:42,306 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 109 transitions, 282 flow [2024-11-22 17:29:42,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-22 17:29:42,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:42,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:29:42,307 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,308 INFO L85 PathProgramCache]: Analyzing trace with hash -788188755, now seen corresponding path program 1 times [2024-11-22 17:29:42,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266556809] [2024-11-22 17:29:42,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266556809] [2024-11-22 17:29:42,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266556809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:42,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256378720] [2024-11-22 17:29:42,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:42,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:42,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,415 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-22 17:29:42,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 109 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-22 17:29:42,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-22 17:29:42,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,465 INFO L124 PetriNetUnfolderBase]: 61/353 cut-off events. [2024-11-22 17:29:42,466 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-11-22 17:29:42,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 353 events. 61/353 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1825 event pairs, 12 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 583. Up to 68 conditions per place. [2024-11-22 17:29:42,472 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 12 selfloop transitions, 7 changer transitions 2/114 dead transitions. [2024-11-22 17:29:42,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 114 transitions, 341 flow [2024-11-22 17:29:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-22 17:29:42,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373333333333334 [2024-11-22 17:29:42,474 INFO L175 Difference]: Start difference. First operand has 101 places, 109 transitions, 282 flow. Second operand 3 states and 314 transitions. [2024-11-22 17:29:42,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 114 transitions, 341 flow [2024-11-22 17:29:42,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 114 transitions, 327 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:42,482 INFO L231 Difference]: Finished difference. Result has 103 places, 112 transitions, 318 flow [2024-11-22 17:29:42,484 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=103, PETRI_TRANSITIONS=112} [2024-11-22 17:29:42,484 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 4 predicate places. [2024-11-22 17:29:42,485 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 112 transitions, 318 flow [2024-11-22 17:29:42,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-22 17:29:42,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,486 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:42,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:29:42,486 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2052384819, now seen corresponding path program 1 times [2024-11-22 17:29:42,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390727731] [2024-11-22 17:29:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390727731] [2024-11-22 17:29:42,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390727731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:42,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991939990] [2024-11-22 17:29:42,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:42,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:42,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2024-11-22 17:29:42,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 112 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-22 17:29:42,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2024-11-22 17:29:42,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,700 INFO L124 PetriNetUnfolderBase]: 157/732 cut-off events. [2024-11-22 17:29:42,700 INFO L125 PetriNetUnfolderBase]: For 192/196 co-relation queries the response was YES. [2024-11-22 17:29:42,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 732 events. 157/732 cut-off events. For 192/196 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4768 event pairs, 23 based on Foata normal form. 6/656 useless extension candidates. Maximal degree in co-relation 1271. Up to 127 conditions per place. [2024-11-22 17:29:42,707 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 17 selfloop transitions, 5 changer transitions 0/117 dead transitions. [2024-11-22 17:29:42,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 117 transitions, 374 flow [2024-11-22 17:29:42,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-22 17:29:42,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.816 [2024-11-22 17:29:42,711 INFO L175 Difference]: Start difference. First operand has 103 places, 112 transitions, 318 flow. Second operand 3 states and 306 transitions. [2024-11-22 17:29:42,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 117 transitions, 374 flow [2024-11-22 17:29:42,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 117 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:42,718 INFO L231 Difference]: Finished difference. Result has 105 places, 116 transitions, 350 flow [2024-11-22 17:29:42,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=105, PETRI_TRANSITIONS=116} [2024-11-22 17:29:42,718 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 6 predicate places. [2024-11-22 17:29:42,719 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 116 transitions, 350 flow [2024-11-22 17:29:42,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-22 17:29:42,719 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:42,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:42,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:29:42,722 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:42,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:42,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1308502917, now seen corresponding path program 2 times [2024-11-22 17:29:42,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:42,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965939030] [2024-11-22 17:29:42,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:29:42,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:42,742 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:29:42,746 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:29:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:42,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:42,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965939030] [2024-11-22 17:29:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965939030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:42,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:42,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896375708] [2024-11-22 17:29:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:42,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:42,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:42,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:42,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:42,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-22 17:29:42,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 116 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-22 17:29:42,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:42,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-22 17:29:42,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:42,987 INFO L124 PetriNetUnfolderBase]: 252/1283 cut-off events. [2024-11-22 17:29:42,987 INFO L125 PetriNetUnfolderBase]: For 338/384 co-relation queries the response was YES. [2024-11-22 17:29:42,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2294 conditions, 1283 events. 252/1283 cut-off events. For 338/384 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10424 event pairs, 22 based on Foata normal form. 6/1129 useless extension candidates. Maximal degree in co-relation 2286. Up to 174 conditions per place. [2024-11-22 17:29:42,995 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 11 selfloop transitions, 3 changer transitions 0/121 dead transitions. [2024-11-22 17:29:42,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 121 transitions, 391 flow [2024-11-22 17:29:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2024-11-22 17:29:42,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8506666666666667 [2024-11-22 17:29:42,998 INFO L175 Difference]: Start difference. First operand has 105 places, 116 transitions, 350 flow. Second operand 3 states and 319 transitions. [2024-11-22 17:29:42,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 121 transitions, 391 flow [2024-11-22 17:29:43,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 121 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:43,005 INFO L231 Difference]: Finished difference. Result has 107 places, 119 transitions, 368 flow [2024-11-22 17:29:43,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=107, PETRI_TRANSITIONS=119} [2024-11-22 17:29:43,006 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 8 predicate places. [2024-11-22 17:29:43,006 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 119 transitions, 368 flow [2024-11-22 17:29:43,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-22 17:29:43,007 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:43,007 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:43,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:29:43,008 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:43,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1422927409, now seen corresponding path program 3 times [2024-11-22 17:29:43,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:43,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187915970] [2024-11-22 17:29:43,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 17:29:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:43,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 17:29:43,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:29:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:43,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:43,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187915970] [2024-11-22 17:29:43,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187915970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:43,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:43,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:43,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091050508] [2024-11-22 17:29:43,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:43,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:43,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:43,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:43,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:43,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2024-11-22 17:29:43,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 119 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-22 17:29:43,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:43,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2024-11-22 17:29:43,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:43,290 INFO L124 PetriNetUnfolderBase]: 254/1348 cut-off events. [2024-11-22 17:29:43,290 INFO L125 PetriNetUnfolderBase]: For 430/484 co-relation queries the response was YES. [2024-11-22 17:29:43,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 1348 events. 254/1348 cut-off events. For 430/484 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 11326 event pairs, 39 based on Foata normal form. 35/1244 useless extension candidates. Maximal degree in co-relation 2525. Up to 187 conditions per place. [2024-11-22 17:29:43,299 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 14 selfloop transitions, 5 changer transitions 7/124 dead transitions. [2024-11-22 17:29:43,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 124 transitions, 439 flow [2024-11-22 17:29:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-22 17:29:43,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.816 [2024-11-22 17:29:43,301 INFO L175 Difference]: Start difference. First operand has 107 places, 119 transitions, 368 flow. Second operand 3 states and 306 transitions. [2024-11-22 17:29:43,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 124 transitions, 439 flow [2024-11-22 17:29:43,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 124 transitions, 433 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:43,306 INFO L231 Difference]: Finished difference. Result has 109 places, 117 transitions, 386 flow [2024-11-22 17:29:43,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=109, PETRI_TRANSITIONS=117} [2024-11-22 17:29:43,308 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 10 predicate places. [2024-11-22 17:29:43,308 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 386 flow [2024-11-22 17:29:43,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-22 17:29:43,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:43,309 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:43,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:29:43,309 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:43,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash -562906235, now seen corresponding path program 4 times [2024-11-22 17:29:43,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:43,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121920881] [2024-11-22 17:29:43,310 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 17:29:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:43,328 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 17:29:43,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:29:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:43,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:43,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121920881] [2024-11-22 17:29:43,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121920881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:43,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:43,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:43,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51056820] [2024-11-22 17:29:43,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:43,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:43,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:43,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:43,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:43,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-22 17:29:43,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-22 17:29:43,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:43,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-22 17:29:43,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:43,493 INFO L124 PetriNetUnfolderBase]: 184/1242 cut-off events. [2024-11-22 17:29:43,493 INFO L125 PetriNetUnfolderBase]: For 453/487 co-relation queries the response was YES. [2024-11-22 17:29:43,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2334 conditions, 1242 events. 184/1242 cut-off events. For 453/487 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 10502 event pairs, 27 based on Foata normal form. 17/1131 useless extension candidates. Maximal degree in co-relation 2324. Up to 184 conditions per place. [2024-11-22 17:29:43,501 INFO L140 encePairwiseOnDemand]: 121/125 looper letters, 11 selfloop transitions, 3 changer transitions 2/119 dead transitions. [2024-11-22 17:29:43,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 119 transitions, 421 flow [2024-11-22 17:29:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-11-22 17:29:43,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8453333333333334 [2024-11-22 17:29:43,503 INFO L175 Difference]: Start difference. First operand has 109 places, 117 transitions, 386 flow. Second operand 3 states and 317 transitions. [2024-11-22 17:29:43,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 119 transitions, 421 flow [2024-11-22 17:29:43,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 119 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:43,507 INFO L231 Difference]: Finished difference. Result has 111 places, 116 transitions, 392 flow [2024-11-22 17:29:43,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=111, PETRI_TRANSITIONS=116} [2024-11-22 17:29:43,509 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2024-11-22 17:29:43,509 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 116 transitions, 392 flow [2024-11-22 17:29:43,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-22 17:29:43,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:43,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:43,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:29:43,511 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:43,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:43,511 INFO L85 PathProgramCache]: Analyzing trace with hash 235594237, now seen corresponding path program 1 times [2024-11-22 17:29:43,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:43,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611934950] [2024-11-22 17:29:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:43,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:43,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:43,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611934950] [2024-11-22 17:29:43,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611934950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:43,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:43,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:43,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950634571] [2024-11-22 17:29:43,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:43,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:43,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:43,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:43,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:43,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-22 17:29:43,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 116 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-22 17:29:43,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:43,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-22 17:29:43,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:43,666 INFO L124 PetriNetUnfolderBase]: 121/870 cut-off events. [2024-11-22 17:29:43,666 INFO L125 PetriNetUnfolderBase]: For 248/281 co-relation queries the response was YES. [2024-11-22 17:29:43,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 870 events. 121/870 cut-off events. For 248/281 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6634 event pairs, 16 based on Foata normal form. 7/802 useless extension candidates. Maximal degree in co-relation 1594. Up to 110 conditions per place. [2024-11-22 17:29:43,671 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 7 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2024-11-22 17:29:43,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 118 transitions, 419 flow [2024-11-22 17:29:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-22 17:29:43,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84 [2024-11-22 17:29:43,673 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 392 flow. Second operand 3 states and 315 transitions. [2024-11-22 17:29:43,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 118 transitions, 419 flow [2024-11-22 17:29:43,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 118 transitions, 407 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:43,677 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 398 flow [2024-11-22 17:29:43,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2024-11-22 17:29:43,679 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2024-11-22 17:29:43,679 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 398 flow [2024-11-22 17:29:43,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-22 17:29:43,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:43,680 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:43,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:29:43,681 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:43,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:43,681 INFO L85 PathProgramCache]: Analyzing trace with hash 484788758, now seen corresponding path program 1 times [2024-11-22 17:29:43,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:43,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805073813] [2024-11-22 17:29:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:43,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:29:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805073813] [2024-11-22 17:29:43,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805073813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:43,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:43,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:43,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214954841] [2024-11-22 17:29:43,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:43,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:43,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:43,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-22 17:29:43,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-22 17:29:43,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:43,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-22 17:29:43,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:43,801 INFO L124 PetriNetUnfolderBase]: 59/578 cut-off events. [2024-11-22 17:29:43,802 INFO L125 PetriNetUnfolderBase]: For 121/133 co-relation queries the response was YES. [2024-11-22 17:29:43,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 578 events. 59/578 cut-off events. For 121/133 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3590 event pairs, 11 based on Foata normal form. 6/555 useless extension candidates. Maximal degree in co-relation 1038. Up to 44 conditions per place. [2024-11-22 17:29:43,805 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2024-11-22 17:29:43,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 368 flow [2024-11-22 17:29:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-22 17:29:43,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84 [2024-11-22 17:29:43,807 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 398 flow. Second operand 3 states and 315 transitions. [2024-11-22 17:29:43,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 368 flow [2024-11-22 17:29:43,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 107 transitions, 334 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-22 17:29:43,810 INFO L231 Difference]: Finished difference. Result has 104 places, 0 transitions, 0 flow [2024-11-22 17:29:43,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=104, PETRI_TRANSITIONS=0} [2024-11-22 17:29:43,812 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 5 predicate places. [2024-11-22 17:29:43,812 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 0 transitions, 0 flow [2024-11-22 17:29:43,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-22 17:29:43,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-22 17:29:43,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-22 17:29:43,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-22 17:29:43,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-22 17:29:43,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-22 17:29:43,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-22 17:29:43,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-22 17:29:43,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-22 17:29:43,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-22 17:29:43,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-22 17:29:43,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:29:43,816 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:43,824 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:29:43,824 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:29:43,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:29:43 BasicIcfg [2024-11-22 17:29:43,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:29:43,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:29:43,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:29:43,834 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:29:43,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:41" (3/4) ... [2024-11-22 17:29:43,836 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:29:43,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-22 17:29:43,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-22 17:29:43,844 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-22 17:29:43,844 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:29:43,844 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:29:43,844 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:29:43,925 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:29:43,925 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:29:43,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:29:43,926 INFO L158 Benchmark]: Toolchain (without parser) took 3696.70ms. Allocated memory was 182.5MB in the beginning and 289.4MB in the end (delta: 107.0MB). Free memory was 110.9MB in the beginning and 195.8MB in the end (delta: -85.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-22 17:29:43,927 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 182.5MB. Free memory was 140.4MB in the beginning and 140.2MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:29:43,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.06ms. Allocated memory is still 182.5MB. Free memory was 110.6MB in the beginning and 147.9MB in the end (delta: -37.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-22 17:29:43,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.35ms. Allocated memory is still 182.5MB. Free memory was 147.9MB in the beginning and 145.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:29:43,927 INFO L158 Benchmark]: Boogie Preprocessor took 40.90ms. Allocated memory is still 182.5MB. Free memory was 145.9MB in the beginning and 144.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:43,929 INFO L158 Benchmark]: RCFGBuilder took 433.10ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 128.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:29:43,929 INFO L158 Benchmark]: TraceAbstraction took 2483.78ms. Allocated memory was 182.5MB in the beginning and 289.4MB in the end (delta: 107.0MB). Free memory was 127.9MB in the beginning and 200.0MB in the end (delta: -72.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-22 17:29:43,929 INFO L158 Benchmark]: Witness Printer took 91.92ms. Allocated memory is still 289.4MB. Free memory was 200.0MB in the beginning and 195.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:29:43,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 182.5MB. Free memory was 140.4MB in the beginning and 140.2MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.06ms. Allocated memory is still 182.5MB. Free memory was 110.6MB in the beginning and 147.9MB in the end (delta: -37.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.35ms. Allocated memory is still 182.5MB. Free memory was 147.9MB in the beginning and 145.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.90ms. Allocated memory is still 182.5MB. Free memory was 145.9MB in the beginning and 144.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.10ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 128.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2483.78ms. Allocated memory was 182.5MB in the beginning and 289.4MB in the end (delta: 107.0MB). Free memory was 127.9MB in the beginning and 200.0MB in the end (delta: -72.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 91.92ms. Allocated memory is still 289.4MB. Free memory was 200.0MB in the beginning and 195.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: 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, 168 locations, 10 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: 2.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 45 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=9, InterpolantAutomatonStates: 29, 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 421 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:29:43,951 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