./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:33:25,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:33:25,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:33:25,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:33:25,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:33:25,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:33:25,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:33:25,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:33:25,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:33:25,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:33:25,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:33:25,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:33:25,421 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:33:25,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:33:25,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:33:25,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:33:25,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:33:25,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:33:25,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:33:25,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:33:25,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:33:25,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:33:25,429 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:33:25,430 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:33:25,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:33:25,430 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:33:25,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:33:25,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:33:25,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:33:25,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:33:25,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:33:25,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:33:25,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:33:25,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:33:25,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:33:25,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:33:25,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:33:25,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:33:25,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:33:25,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:33:25,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:33:25,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 [2024-10-24 15:33:25,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:33:25,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:33:25,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:33:25,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:33:25,755 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:33:25,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2024-10-24 15:33:27,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:33:27,386 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:33:27,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2024-10-24 15:33:27,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b669d3e/b3e0da7e653449eba72f100a9dc02ded/FLAGfeaf8b7cf [2024-10-24 15:33:27,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b669d3e/b3e0da7e653449eba72f100a9dc02ded [2024-10-24 15:33:27,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:33:27,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:33:27,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:33:27,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:33:27,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:33:27,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:33:27" (1/1) ... [2024-10-24 15:33:27,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5159e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:27, skipping insertion in model container [2024-10-24 15:33:27,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:33:27" (1/1) ... [2024-10-24 15:33:27,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:33:28,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:33:28,054 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:33:28,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:33:28,089 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:33:28,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28 WrapperNode [2024-10-24 15:33:28,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:33:28,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:33:28,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:33:28,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:33:28,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,125 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2024-10-24 15:33:28,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:33:28,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:33:28,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:33:28,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:33:28,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:33:28,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:33:28,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:33:28,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:33:28,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (1/1) ... [2024-10-24 15:33:28,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:33:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:33:28,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:33:28,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:33:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:33:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:33:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:33:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:33:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:33:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:33:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:33:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:33:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:33:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:33:28,274 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:33:28,408 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:33:28,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:33:28,729 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:33:28,729 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:33:28,823 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:33:28,824 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 15:33:28,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:28 BoogieIcfgContainer [2024-10-24 15:33:28,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:33:28,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:33:28,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:33:28,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:33:28,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:33:27" (1/3) ... [2024-10-24 15:33:28,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d64879c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:33:28, skipping insertion in model container [2024-10-24 15:33:28,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:28" (2/3) ... [2024-10-24 15:33:28,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d64879c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:33:28, skipping insertion in model container [2024-10-24 15:33:28,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:28" (3/3) ... [2024-10-24 15:33:28,834 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-10-24 15:33:28,851 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:33:28,851 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-10-24 15:33:28,852 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:33:28,922 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:33:28,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 112 transitions, 238 flow [2024-10-24 15:33:29,009 INFO L124 PetriNetUnfolderBase]: 6/110 cut-off events. [2024-10-24 15:33:29,010 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:33:29,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 110 events. 6/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 109 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2024-10-24 15:33:29,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 112 transitions, 238 flow [2024-10-24 15:33:29,021 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 93 transitions, 198 flow [2024-10-24 15:33:29,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:33:29,036 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;@65558103, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:33:29,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-24 15:33:29,042 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:33:29,043 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-10-24 15:33:29,043 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:33:29,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:29,044 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:29,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-24 15:33:29,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:29,052 INFO L85 PathProgramCache]: Analyzing trace with hash -932096824, now seen corresponding path program 1 times [2024-10-24 15:33:29,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:29,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532264868] [2024-10-24 15:33:29,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:29,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:29,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532264868] [2024-10-24 15:33:29,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532264868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:29,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:29,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:29,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654114401] [2024-10-24 15:33:29,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:29,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:29,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:29,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:29,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:29,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 112 [2024-10-24 15:33:29,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:29,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 112 [2024-10-24 15:33:29,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:29,386 INFO L124 PetriNetUnfolderBase]: 13/131 cut-off events. [2024-10-24 15:33:29,386 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-24 15:33:29,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 131 events. 13/131 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 286 event pairs, 8 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 107. Up to 31 conditions per place. [2024-10-24 15:33:29,393 INFO L140 encePairwiseOnDemand]: 99/112 looper letters, 11 selfloop transitions, 2 changer transitions 1/82 dead transitions. [2024-10-24 15:33:29,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 82 transitions, 202 flow [2024-10-24 15:33:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2024-10-24 15:33:29,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8303571428571429 [2024-10-24 15:33:29,414 INFO L175 Difference]: Start difference. First operand has 95 places, 93 transitions, 198 flow. Second operand 3 states and 279 transitions. [2024-10-24 15:33:29,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 82 transitions, 202 flow [2024-10-24 15:33:29,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 82 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:33:29,422 INFO L231 Difference]: Finished difference. Result has 85 places, 81 transitions, 170 flow [2024-10-24 15:33:29,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=85, PETRI_TRANSITIONS=81} [2024-10-24 15:33:29,430 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -10 predicate places. [2024-10-24 15:33:29,431 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 81 transitions, 170 flow [2024-10-24 15:33:29,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:29,432 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] [2024-10-24 15:33:29,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:33:29,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-24 15:33:29,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:29,433 INFO L85 PathProgramCache]: Analyzing trace with hash 753423076, now seen corresponding path program 1 times [2024-10-24 15:33:29,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:29,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11821096] [2024-10-24 15:33:29,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:29,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:29,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:29,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11821096] [2024-10-24 15:33:29,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11821096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:29,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:29,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:29,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374767729] [2024-10-24 15:33:29,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:29,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:29,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:29,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:29,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:29,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 112 [2024-10-24 15:33:29,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 81 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:29,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 112 [2024-10-24 15:33:29,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:29,552 INFO L124 PetriNetUnfolderBase]: 6/101 cut-off events. [2024-10-24 15:33:29,552 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:33:29,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 101 events. 6/101 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 172 event pairs, 3 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 101. Up to 17 conditions per place. [2024-10-24 15:33:29,554 INFO L140 encePairwiseOnDemand]: 109/112 looper letters, 10 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2024-10-24 15:33:29,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 80 transitions, 192 flow [2024-10-24 15:33:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-10-24 15:33:29,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065476190476191 [2024-10-24 15:33:29,557 INFO L175 Difference]: Start difference. First operand has 85 places, 81 transitions, 170 flow. Second operand 3 states and 271 transitions. [2024-10-24 15:33:29,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 80 transitions, 192 flow [2024-10-24 15:33:29,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 80 transitions, 188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:29,562 INFO L231 Difference]: Finished difference. Result has 83 places, 80 transitions, 168 flow [2024-10-24 15:33:29,563 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=83, PETRI_TRANSITIONS=80} [2024-10-24 15:33:29,564 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -12 predicate places. [2024-10-24 15:33:29,564 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 168 flow [2024-10-24 15:33:29,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:29,565 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] [2024-10-24 15:33:29,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:33:29,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-24 15:33:29,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:29,566 INFO L85 PathProgramCache]: Analyzing trace with hash 158719757, now seen corresponding path program 1 times [2024-10-24 15:33:29,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:29,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586520894] [2024-10-24 15:33:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:29,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:29,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:29,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586520894] [2024-10-24 15:33:29,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586520894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:29,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:29,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:29,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228011116] [2024-10-24 15:33:29,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:29,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:29,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:29,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:29,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-24 15:33:29,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:29,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-24 15:33:29,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:29,709 INFO L124 PetriNetUnfolderBase]: 6/100 cut-off events. [2024-10-24 15:33:29,709 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:33:29,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 100 events. 6/100 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 171 event pairs, 3 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 90. Up to 14 conditions per place. [2024-10-24 15:33:29,713 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 8 selfloop transitions, 1 changer transitions 0/79 dead transitions. [2024-10-24 15:33:29,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 79 transitions, 184 flow [2024-10-24 15:33:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2024-10-24 15:33:29,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-10-24 15:33:29,717 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 168 flow. Second operand 3 states and 280 transitions. [2024-10-24 15:33:29,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 79 transitions, 184 flow [2024-10-24 15:33:29,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 79 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:29,721 INFO L231 Difference]: Finished difference. Result has 82 places, 79 transitions, 164 flow [2024-10-24 15:33:29,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=82, PETRI_TRANSITIONS=79} [2024-10-24 15:33:29,722 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -13 predicate places. [2024-10-24 15:33:29,722 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 164 flow [2024-10-24 15:33:29,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:29,722 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] [2024-10-24 15:33:29,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:33:29,723 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-24 15:33:29,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash 557483317, now seen corresponding path program 1 times [2024-10-24 15:33:29,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:29,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102484329] [2024-10-24 15:33:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:29,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:29,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102484329] [2024-10-24 15:33:29,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102484329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:29,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:29,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:29,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140048871] [2024-10-24 15:33:29,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:29,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:29,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:29,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:29,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:29,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 112 [2024-10-24 15:33:29,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:29,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 112 [2024-10-24 15:33:29,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:29,886 INFO L124 PetriNetUnfolderBase]: 25/168 cut-off events. [2024-10-24 15:33:29,886 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:33:29,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 168 events. 25/168 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 488 event pairs, 11 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 194. Up to 47 conditions per place. [2024-10-24 15:33:29,888 INFO L140 encePairwiseOnDemand]: 108/112 looper letters, 12 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2024-10-24 15:33:29,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 80 transitions, 195 flow [2024-10-24 15:33:29,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2024-10-24 15:33:29,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8244047619047619 [2024-10-24 15:33:29,892 INFO L175 Difference]: Start difference. First operand has 82 places, 79 transitions, 164 flow. Second operand 3 states and 277 transitions. [2024-10-24 15:33:29,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 80 transitions, 195 flow [2024-10-24 15:33:29,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 80 transitions, 194 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:29,895 INFO L231 Difference]: Finished difference. Result has 82 places, 79 transitions, 173 flow [2024-10-24 15:33:29,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=82, PETRI_TRANSITIONS=79} [2024-10-24 15:33:29,896 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -13 predicate places. [2024-10-24 15:33:29,897 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 173 flow [2024-10-24 15:33:29,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:29,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:29,898 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:29,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:33:29,898 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-24 15:33:29,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:29,899 INFO L85 PathProgramCache]: Analyzing trace with hash -815453396, now seen corresponding path program 1 times [2024-10-24 15:33:29,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:29,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978518857] [2024-10-24 15:33:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:30,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978518857] [2024-10-24 15:33:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978518857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:30,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:30,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:30,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114571781] [2024-10-24 15:33:30,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:30,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:30,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:30,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:30,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 112 [2024-10-24 15:33:30,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:30,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:30,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 112 [2024-10-24 15:33:30,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:30,045 INFO L124 PetriNetUnfolderBase]: 9/112 cut-off events. [2024-10-24 15:33:30,045 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-24 15:33:30,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 112 events. 9/112 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 224 event pairs, 3 based on Foata normal form. 1/109 useless extension candidates. Maximal degree in co-relation 112. Up to 14 conditions per place. [2024-10-24 15:33:30,046 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-10-24 15:33:30,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 78 transitions, 185 flow [2024-10-24 15:33:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-10-24 15:33:30,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8363095238095238 [2024-10-24 15:33:30,049 INFO L175 Difference]: Start difference. First operand has 82 places, 79 transitions, 173 flow. Second operand 3 states and 281 transitions. [2024-10-24 15:33:30,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 78 transitions, 185 flow [2024-10-24 15:33:30,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 185 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:33:30,050 INFO L231 Difference]: Finished difference. Result has 83 places, 0 transitions, 0 flow [2024-10-24 15:33:30,051 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=83, PETRI_TRANSITIONS=0} [2024-10-24 15:33:30,051 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -12 predicate places. [2024-10-24 15:33:30,051 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 0 transitions, 0 flow [2024-10-24 15:33:30,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2024-10-24 15:33:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2024-10-24 15:33:30,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2024-10-24 15:33:30,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2024-10-24 15:33:30,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2024-10-24 15:33:30,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2024-10-24 15:33:30,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2024-10-24 15:33:30,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2024-10-24 15:33:30,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2024-10-24 15:33:30,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2024-10-24 15:33:30,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2024-10-24 15:33:30,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2024-10-24 15:33:30,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2024-10-24 15:33:30,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 24 remaining) [2024-10-24 15:33:30,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 24 remaining) [2024-10-24 15:33:30,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2024-10-24 15:33:30,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2024-10-24 15:33:30,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2024-10-24 15:33:30,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2024-10-24 15:33:30,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2024-10-24 15:33:30,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2024-10-24 15:33:30,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2024-10-24 15:33:30,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2024-10-24 15:33:30,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2024-10-24 15:33:30,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:33:30,062 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-24 15:33:30,072 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:33:30,076 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:33:30,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:33:30 BasicIcfg [2024-10-24 15:33:30,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:33:30,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:33:30,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:33:30,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:33:30,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:28" (3/4) ... [2024-10-24 15:33:30,089 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:33:30,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:33:30,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:33:30,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-24 15:33:30,097 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:33:30,098 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:33:30,098 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:33:30,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:33:30,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:33:30,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:33:30,199 INFO L158 Benchmark]: Toolchain (without parser) took 2428.11ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 101.3MB in the beginning and 121.8MB in the end (delta: -20.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-24 15:33:30,200 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:33:30,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.68ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 88.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 15:33:30,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 148.9MB. Free memory was 88.2MB in the beginning and 86.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:33:30,203 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 148.9MB. Free memory was 86.7MB in the beginning and 85.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:33:30,203 INFO L158 Benchmark]: RCFGBuilder took 658.97ms. Allocated memory is still 148.9MB. Free memory was 85.5MB in the beginning and 105.3MB in the end (delta: -19.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-24 15:33:30,203 INFO L158 Benchmark]: TraceAbstraction took 1257.29ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 105.3MB in the beginning and 126.0MB in the end (delta: -20.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-10-24 15:33:30,204 INFO L158 Benchmark]: Witness Printer took 113.91ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 121.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:33:30,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.68ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 88.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 148.9MB. Free memory was 88.2MB in the beginning and 86.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.94ms. Allocated memory is still 148.9MB. Free memory was 86.7MB in the beginning and 85.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.97ms. Allocated memory is still 148.9MB. Free memory was 85.5MB in the beginning and 105.3MB in the end (delta: -19.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1257.29ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 105.3MB in the beginning and 126.0MB in the end (delta: -20.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 113.91ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 121.8MB 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: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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, 144 locations, 24 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 17 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:33:30,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE