./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski.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/szymanski.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 a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:29:47,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:29:47,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:29:47,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:29:47,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:29:48,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:29:48,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:29:48,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:29:48,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:29:48,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:29:48,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:29:48,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:29:48,007 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:29:48,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:29:48,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:29:48,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:29:48,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:29:48,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:29:48,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:29:48,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:29:48,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:29:48,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:29:48,015 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:29:48,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:29:48,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:29:48,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:29:48,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:29:48,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:29:48,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:29:48,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:29:48,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:29:48,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:29:48,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:29:48,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:29:48,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:29:48,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:29:48,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:29:48,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:29:48,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:29:48,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:29:48,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:29:48,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 [2024-11-22 17:29:48,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:29:48,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:29:48,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:29:48,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:29:48,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:29:48,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-22 17:29:49,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:29:49,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:29:49,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-22 17:29:49,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb90d152/98daa29d5df2461d915a57a116b517f8/FLAG1c6401a8e [2024-11-22 17:29:49,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb90d152/98daa29d5df2461d915a57a116b517f8 [2024-11-22 17:29:49,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:29:49,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:29:49,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:29:49,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:29:49,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:29:49,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:29:49" (1/1) ... [2024-11-22 17:29:49,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3181d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:49, skipping insertion in model container [2024-11-22 17:29:49,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:29:49" (1/1) ... [2024-11-22 17:29:50,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:29:50,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:29:50,401 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:29:50,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:29:50,502 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:29:50,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50 WrapperNode [2024-11-22 17:29:50,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:29:50,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:29:50,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:29:50,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:29:50,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,552 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-22 17:29:50,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:29:50,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:29:50,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:29:50,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:29:50,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:29:50,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:29:50,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:29:50,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:29:50,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (1/1) ... [2024-11-22 17:29:50,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:29:50,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:29:50,632 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 17:29:50,638 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 17:29:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-22 17:29:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-22 17:29:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-22 17:29:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-22 17:29:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:29:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:29:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:29:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:29:50,692 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 17:29:50,833 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:29:50,836 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:29:51,021 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:29:51,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:29:51,036 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:29:51,037 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-22 17:29:51,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:51 BoogieIcfgContainer [2024-11-22 17:29:51,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:29:51,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:29:51,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:29:51,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:29:51,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:29:49" (1/3) ... [2024-11-22 17:29:51,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84c6e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:29:51, skipping insertion in model container [2024-11-22 17:29:51,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:29:50" (2/3) ... [2024-11-22 17:29:51,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84c6e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:29:51, skipping insertion in model container [2024-11-22 17:29:51,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:51" (3/3) ... [2024-11-22 17:29:51,049 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-11-22 17:29:51,068 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:29:51,068 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 17:29:51,068 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:29:51,158 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:29:51,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 109 transitions, 232 flow [2024-11-22 17:29:51,258 INFO L124 PetriNetUnfolderBase]: 22/107 cut-off events. [2024-11-22 17:29:51,259 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:29:51,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 107 events. 22/107 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 132 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 86. Up to 3 conditions per place. [2024-11-22 17:29:51,266 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 109 transitions, 232 flow [2024-11-22 17:29:51,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 102 transitions, 213 flow [2024-11-22 17:29:51,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:29:51,304 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;@5e191885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:29:51,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-22 17:29:51,334 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:29:51,335 INFO L124 PetriNetUnfolderBase]: 9/50 cut-off events. [2024-11-22 17:29:51,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:29:51,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:51,336 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:29:51,337 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 17:29:51,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash 414610282, now seen corresponding path program 1 times [2024-11-22 17:29:51,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:51,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914344804] [2024-11-22 17:29:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:51,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:51,596 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 17:29:51,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:51,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914344804] [2024-11-22 17:29:51,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914344804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:51,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:51,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834212939] [2024-11-22 17:29:51,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:51,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:51,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:51,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:51,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:51,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-22 17:29:51,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 102 transitions, 213 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) [2024-11-22 17:29:51,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:51,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-22 17:29:51,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:51,735 INFO L124 PetriNetUnfolderBase]: 40/222 cut-off events. [2024-11-22 17:29:51,735 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-22 17:29:51,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 222 events. 40/222 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 842 event pairs, 11 based on Foata normal form. 60/234 useless extension candidates. Maximal degree in co-relation 259. Up to 42 conditions per place. [2024-11-22 17:29:51,739 INFO L140 encePairwiseOnDemand]: 91/109 looper letters, 11 selfloop transitions, 5 changer transitions 0/93 dead transitions. [2024-11-22 17:29:51,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 230 flow [2024-11-22 17:29:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-22 17:29:51,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868501529051988 [2024-11-22 17:29:51,754 INFO L175 Difference]: Start difference. First operand has 87 places, 102 transitions, 213 flow. Second operand 3 states and 290 transitions. [2024-11-22 17:29:51,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 230 flow [2024-11-22 17:29:51,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 17:29:51,764 INFO L231 Difference]: Finished difference. Result has 86 places, 92 transitions, 218 flow [2024-11-22 17:29:51,770 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=86, PETRI_TRANSITIONS=92} [2024-11-22 17:29:51,773 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -1 predicate places. [2024-11-22 17:29:51,773 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 92 transitions, 218 flow [2024-11-22 17:29:51,774 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) [2024-11-22 17:29:51,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:51,774 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 17:29:51,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:29:51,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:51,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:51,775 INFO L85 PathProgramCache]: Analyzing trace with hash -670634007, now seen corresponding path program 1 times [2024-11-22 17:29:51,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:51,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068029856] [2024-11-22 17:29:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:51,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:51,876 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 17:29:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068029856] [2024-11-22 17:29:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068029856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:51,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:51,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:51,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693951642] [2024-11-22 17:29:51,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:51,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:51,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:51,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:51,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:51,906 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-22 17:29:51,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 92 transitions, 218 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) [2024-11-22 17:29:51,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:51,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-22 17:29:51,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:51,987 INFO L124 PetriNetUnfolderBase]: 51/296 cut-off events. [2024-11-22 17:29:51,988 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-22 17:29:51,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 296 events. 51/296 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1262 event pairs, 6 based on Foata normal form. 1/240 useless extension candidates. Maximal degree in co-relation 212. Up to 46 conditions per place. [2024-11-22 17:29:51,991 INFO L140 encePairwiseOnDemand]: 101/109 looper letters, 13 selfloop transitions, 6 changer transitions 2/100 dead transitions. [2024-11-22 17:29:51,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 100 transitions, 287 flow [2024-11-22 17:29:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-22 17:29:51,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2024-11-22 17:29:51,995 INFO L175 Difference]: Start difference. First operand has 86 places, 92 transitions, 218 flow. Second operand 3 states and 276 transitions. [2024-11-22 17:29:51,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 100 transitions, 287 flow [2024-11-22 17:29:51,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 100 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:51,998 INFO L231 Difference]: Finished difference. Result has 88 places, 96 transitions, 260 flow [2024-11-22 17:29:51,999 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=88, PETRI_TRANSITIONS=96} [2024-11-22 17:29:52,001 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2024-11-22 17:29:52,002 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 96 transitions, 260 flow [2024-11-22 17:29:52,002 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) [2024-11-22 17:29:52,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:52,003 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 17:29:52,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:29:52,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:52,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:52,004 INFO L85 PathProgramCache]: Analyzing trace with hash -182531555, now seen corresponding path program 1 times [2024-11-22 17:29:52,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:52,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863689815] [2024-11-22 17:29:52,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:52,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:52,071 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 17:29:52,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:52,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863689815] [2024-11-22 17:29:52,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863689815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:52,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:52,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:29:52,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556093717] [2024-11-22 17:29:52,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:52,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:52,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:52,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:52,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:52,099 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-22 17:29:52,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 96 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 17:29:52,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:52,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-22 17:29:52,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:52,151 INFO L124 PetriNetUnfolderBase]: 71/342 cut-off events. [2024-11-22 17:29:52,151 INFO L125 PetriNetUnfolderBase]: For 131/131 co-relation queries the response was YES. [2024-11-22 17:29:52,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 342 events. 71/342 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1637 event pairs, 12 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 216. Up to 72 conditions per place. [2024-11-22 17:29:52,155 INFO L140 encePairwiseOnDemand]: 103/109 looper letters, 12 selfloop transitions, 7 changer transitions 3/101 dead transitions. [2024-11-22 17:29:52,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 101 transitions, 321 flow [2024-11-22 17:29:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-22 17:29:52,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8318042813455657 [2024-11-22 17:29:52,158 INFO L175 Difference]: Start difference. First operand has 88 places, 96 transitions, 260 flow. Second operand 3 states and 272 transitions. [2024-11-22 17:29:52,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 101 transitions, 321 flow [2024-11-22 17:29:52,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 307 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:52,163 INFO L231 Difference]: Finished difference. Result has 90 places, 98 transitions, 290 flow [2024-11-22 17:29:52,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=90, PETRI_TRANSITIONS=98} [2024-11-22 17:29:52,165 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2024-11-22 17:29:52,165 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 98 transitions, 290 flow [2024-11-22 17:29:52,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 17:29:52,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:52,166 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] [2024-11-22 17:29:52,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:29:52,166 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:29:52,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:52,167 INFO L85 PathProgramCache]: Analyzing trace with hash -236442085, now seen corresponding path program 1 times [2024-11-22 17:29:52,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:52,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786116145] [2024-11-22 17:29:52,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:29:52,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:29:52,258 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 17:29:52,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786116145] [2024-11-22 17:29:52,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786116145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:52,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:52,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:52,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793771443] [2024-11-22 17:29:52,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:52,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:52,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:52,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:52,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:52,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 109 [2024-11-22 17:29:52,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 98 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 17:29:52,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:52,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 109 [2024-11-22 17:29:52,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:52,361 INFO L124 PetriNetUnfolderBase]: 106/464 cut-off events. [2024-11-22 17:29:52,362 INFO L125 PetriNetUnfolderBase]: For 99/115 co-relation queries the response was YES. [2024-11-22 17:29:52,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 464 events. 106/464 cut-off events. For 99/115 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2451 event pairs, 25 based on Foata normal form. 18/413 useless extension candidates. Maximal degree in co-relation 678. Up to 84 conditions per place. [2024-11-22 17:29:52,366 INFO L140 encePairwiseOnDemand]: 99/109 looper letters, 14 selfloop transitions, 6 changer transitions 1/105 dead transitions. [2024-11-22 17:29:52,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 349 flow [2024-11-22 17:29:52,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-11-22 17:29:52,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8287461773700305 [2024-11-22 17:29:52,371 INFO L175 Difference]: Start difference. First operand has 90 places, 98 transitions, 290 flow. Second operand 3 states and 271 transitions. [2024-11-22 17:29:52,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 349 flow [2024-11-22 17:29:52,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 335 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:29:52,377 INFO L231 Difference]: Finished difference. Result has 92 places, 103 transitions, 328 flow [2024-11-22 17:29:52,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=92, PETRI_TRANSITIONS=103} [2024-11-22 17:29:52,378 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 5 predicate places. [2024-11-22 17:29:52,378 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 103 transitions, 328 flow [2024-11-22 17:29:52,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 17:29:52,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:29:52,378 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] [2024-11-22 17:29:52,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:29:52,379 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 17:29:52,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:29:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash -64986005, now seen corresponding path program 2 times [2024-11-22 17:29:52,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:29:52,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487946524] [2024-11-22 17:29:52,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:29:52,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:29:52,400 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:29:52,400 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:29:52,450 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 17:29:52,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:29:52,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487946524] [2024-11-22 17:29:52,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487946524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:29:52,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:29:52,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:29:52,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393305704] [2024-11-22 17:29:52,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:29:52,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:29:52,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:29:52,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:29:52,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:29:52,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 109 [2024-11-22 17:29:52,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 103 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 17:29:52,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:29:52,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 109 [2024-11-22 17:29:52,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:29:52,623 INFO L124 PetriNetUnfolderBase]: 137/470 cut-off events. [2024-11-22 17:29:52,627 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-22 17:29:52,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 470 events. 137/470 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2106 event pairs, 31 based on Foata normal form. 23/462 useless extension candidates. Maximal degree in co-relation 728. Up to 82 conditions per place. [2024-11-22 17:29:52,634 INFO L140 encePairwiseOnDemand]: 99/109 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-22 17:29:52,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 98 transitions, 329 flow [2024-11-22 17:29:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:29:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:29:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-11-22 17:29:52,637 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8287461773700305 [2024-11-22 17:29:52,637 INFO L175 Difference]: Start difference. First operand has 92 places, 103 transitions, 328 flow. Second operand 3 states and 271 transitions. [2024-11-22 17:29:52,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 98 transitions, 329 flow [2024-11-22 17:29:52,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 98 transitions, 287 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-22 17:29:52,648 INFO L231 Difference]: Finished difference. Result has 84 places, 0 transitions, 0 flow [2024-11-22 17:29:52,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=84, PETRI_TRANSITIONS=0} [2024-11-22 17:29:52,649 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -3 predicate places. [2024-11-22 17:29:52,649 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 0 transitions, 0 flow [2024-11-22 17:29:52,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 17:29:52,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-22 17:29:52,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-22 17:29:52,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-22 17:29:52,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-22 17:29:52,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-22 17:29:52,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-22 17:29:52,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-22 17:29:52,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-22 17:29:52,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-22 17:29:52,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-22 17:29:52,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:29:52,662 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-22 17:29:52,670 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:29:52,670 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:29:52,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:29:52 BasicIcfg [2024-11-22 17:29:52,677 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:29:52,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:29:52,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:29:52,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:29:52,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:29:51" (3/4) ... [2024-11-22 17:29:52,680 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:29:52,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-22 17:29:52,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-22 17:29:52,685 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-22 17:29:52,685 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 17:29:52,686 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:29:52,686 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:29:52,762 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:29:52,764 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:29:52,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:29:52,765 INFO L158 Benchmark]: Toolchain (without parser) took 2784.57ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 117.7MB in the beginning and 172.6MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:29:52,765 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:29:52,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.22ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 95.4MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:52,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.58ms. Allocated memory is still 176.2MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:52,766 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 176.2MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:29:52,767 INFO L158 Benchmark]: RCFGBuilder took 456.68ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 77.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 17:29:52,771 INFO L158 Benchmark]: TraceAbstraction took 1636.54ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 176.8MB in the end (delta: -100.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-22 17:29:52,771 INFO L158 Benchmark]: Witness Printer took 86.68ms. Allocated memory is still 226.5MB. Free memory was 176.8MB in the beginning and 172.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:29:52,774 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 176.2MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.22ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 95.4MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.58ms. Allocated memory is still 176.2MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 176.2MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.68ms. Allocated memory is still 176.2MB. Free memory was 91.6MB in the beginning and 77.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1636.54ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 176.8MB in the end (delta: -100.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 86.68ms. Allocated memory is still 226.5MB. Free memory was 176.8MB in the beginning and 172.6MB 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: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: 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, 146 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 40 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=4, 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, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:29:52,797 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